protos.h File Reference

Prototypes for many functions. More...

#include "config.h"
#include <stddef.h>
#include <stdbool.h>
#include <stdio.h>
#include "mutt.h"
#include "keymap.h"
#include "ncrypt/lib.h"
#include "mutt/regex3.h"

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Macros
#define	mutt_set_flag(m, e, flag, bf)   mutt_set_flag_update(m, e, flag, bf, true)

Enumerations
enum	XdgType { XDG_CONFIG_HOME, XDG_CONFIG_DIRS }
	XDG variable types. More...
enum	EvMessage { EVM_VIEW, EVM_EDIT }
	Edit or View a message. More...

Functions
int	mutt_ev_message (struct Mailbox *m, struct EmailList *el, enum EvMessage action)
	Edit or view a message. More...
int	mutt_system (const char *cmd)
	Run an external command. More...
int	mutt_set_xdg_path (enum XdgType type, struct Buffer *buf)
	Find an XDG path or its fallback. More...
void	mutt_help (enum MenuType menu, int wraplan)
	Display the help menu. More...
void	mutt_make_help (char *d, size_t dlen, const char *txt, enum MenuType menu, int op)
	Create one entry for the help bar. More...
void	mutt_set_flag_update (struct Mailbox *m, struct Email *e, int flag, bool bf, bool upd_mbox)
	Set a flag on an email. More...
void	mutt_signal_init (void)
	Initialise the signal handling. More...
void	mutt_emails_set_flag (struct Mailbox *m, struct EmailList *el, int flag, bool bf)
	Set flag on messages. More...
int	mutt_change_flag (struct Mailbox *m, struct EmailList *el, bool bf)
	Change the flag on a Message. More...
int	mutt_complete (char *buf, size_t buflen)
	Attempt to complete a partial pathname. More...
int	mutt_prepare_template (FILE *fp, struct Mailbox *m, struct Email *e_new, struct Email *e, bool resend)
	Prepare a message template. More...
int	mutt_enter_string (char *buf, size_t buflen, int col, CompletionFlags flags)
	Ask the user for a string. More...
int	mutt_enter_string_full (char *buf, size_t buflen, int col, CompletionFlags flags, bool multiple, char ***files, int *numfiles, struct EnterState *state)
	Ask the user for a string. More...
int	mutt_get_postponed (struct Context *ctx, struct Email *hdr, struct Email **cur, struct Buffer *fcc)
	Recall a postponed message. More...
SecurityFlags	mutt_parse_crypt_hdr (const char *p, bool set_empty_signas, SecurityFlags crypt_app)
	Parse a crypto header string. More...
int	mutt_num_postponed (struct Mailbox *m, bool force)
	Return the number of postponed messages. More...
int	mutt_thread_set_flag (struct Email *e, int flag, bool bf, bool subthread)
	Set a flag on an entire thread. More...
void	mutt_update_num_postponed (void)
	Force the update of the number of postponed messages. More...
int	mutt_is_quote_line (char *buf, regmatch_t *pmatch)
	Is a line of message text a quote? More...
int	wcscasecmp (const wchar_t *a, const wchar_t *b)
	Compare two wide-character strings, ignoring case. More...
int	mutt_reply_observer (struct NotifyCallback *nc)
	Listen for config changes to "reply_regex" - Implements observer_t. More...

Detailed Description

Prototypes for many functions.

Authors

• Michael R. Elkins
• Karel Zak

Copyright

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file protos.h.

Macro Definition Documentation

mutt_set_flag

#define mutt_set_flag	(		m,
			e,
			flag,
			bf
	)		mutt_set_flag_update(m, e, flag, bf, true)

Definition at line 70 of file protos.h.

Enumeration Type Documentation

XdgType

enum XdgType

XDG variable types.

Enumerator
XDG_CONFIG_HOME	XDG home dir: ~/.config.
XDG_CONFIG_DIRS	XDG system dir: /etc/xdg.

Definition at line 47 of file protos.h.

{
  XDG_CONFIG_HOME, 
  XDG_CONFIG_DIRS, 
};

EvMessage

enum EvMessage

Edit or View a message.

Enumerator
EVM_VIEW	View the message.
EVM_EDIT	Edit the message.

Definition at line 56 of file protos.h.

{
  EVM_VIEW, 
  EVM_EDIT, 
};

Function Documentation

mutt_ev_message()

int mutt_ev_message	(	struct Mailbox *	m,
		struct EmailList *	el,
		enum EvMessage	action
	)

Edit or view a message.

Parameters

m	Mailbox
el	List of Emails
action	Action to perform, e.g. EVM_EDIT

Return values

1	Message not modified
0	Message edited successfully
-1	Error

Definition at line 263 of file editmsg.c.

{
  struct EmailNode *en = NULL;
  STAILQ_FOREACH(en, el, entries)
  {
    if (ev_message(action, m, en->email) == -1)
      return -1;
  }

  return 0;
}

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mutt_system()

int mutt_system

(

const char *

cmd

)

Run an external command.

Parameters

cmd	Command and arguments

Return values

-1	Error
>=0	Success (command's return code)

Fork and run an external command with arguments.

Note

This function won't return until the command finishes.

Definition at line 51 of file system.c.

{
  int rc = -1;
  struct sigaction act;
  struct sigaction oldtstp;
  struct sigaction oldcont;
  pid_t pid;

  if (!cmd || !*cmd)
    return 0;

  /* must ignore SIGINT and SIGQUIT */

  mutt_sig_block_system();

  act.sa_handler = SIG_DFL;
/* we want to restart the waitpid() below */
#ifdef SA_RESTART
  act.sa_flags = SA_RESTART;
#endif
  sigemptyset(&act.sa_mask);
  sigaction(SIGTSTP, &act, &oldtstp);
  sigaction(SIGCONT, &act, &oldcont);

  pid = fork();
  if (pid == 0)
  {
    act.sa_flags = 0;

    /* reset signals for the child; not really needed, but... */
    mutt_sig_unblock_system(false);
    act.sa_handler = SIG_DFL;
    act.sa_flags = 0;
    sigemptyset(&act.sa_mask);
    sigaction(SIGTERM, &act, NULL);
    sigaction(SIGTSTP, &act, NULL);
    sigaction(SIGCONT, &act, NULL);

    execle(EXEC_SHELL, "sh", "-c", cmd, NULL, mutt_envlist_getlist());
    _exit(127); /* execl error */
  }
  else if (pid != -1)
  {
#ifdef USE_IMAP
    rc = imap_wait_keepalive(pid);
#endif
  }

  sigaction(SIGCONT, &oldcont, NULL);
  sigaction(SIGTSTP, &oldtstp, NULL);

  /* reset SIGINT, SIGQUIT and SIGCHLD */
  mutt_sig_unblock_system(true);

  rc = (pid != -1) ? (WIFEXITED(rc) ? WEXITSTATUS(rc) : -1) : -1;

  return rc;
}

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mutt_set_xdg_path()

int mutt_set_xdg_path	(	enum XdgType	type,
		struct Buffer *	buf
	)

Find an XDG path or its fallback.

Parameters

type	Type of XDG variable, e.g. XDG_CONFIG_HOME
buf	Buffer to save path

Return values

1	if an entry was found that actually exists on disk and 0 otherwise

Process an XDG environment variable or its fallback.

Definition at line 1588 of file muttlib.c.

{
  const char *xdg_env = mutt_str_getenv(xdg_env_vars[type]);
  char *xdg = xdg_env ? mutt_str_strdup(xdg_env) : mutt_str_strdup(xdg_defaults[type]);
  char *x = xdg; /* strsep() changes xdg, so free x instead later */
  char *token = NULL;
  int rc = 0;

  while ((token = strsep(&xdg, ":")))
  {
    if (mutt_buffer_printf(buf, "%s/%s/neomuttrc", token, PACKAGE) < 0)
      continue;
    mutt_buffer_expand_path(buf);
    if (access(mutt_b2s(buf), F_OK) == 0)
    {
      rc = 1;
      break;
    }

    if (mutt_buffer_printf(buf, "%s/%s/Muttrc", token, PACKAGE) < 0)
      continue;
    mutt_buffer_expand_path(buf);
    if (access(mutt_b2s(buf), F_OK) == 0)
    {
      rc = 1;
      break;
    }
  }

  FREE(&x);
  return rc;
}

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mutt_help()

void mutt_help	(	enum MenuType	menu,
		int	wraplen
	)

Display the help menu.

Parameters

menu	Current Menu
wraplen	Width to wrap to

Definition at line 444 of file help.c.

{
  char buf[128];
  FILE *fp = NULL;

  /* We don't use the buffer pool because of the extended lifetime of t */
  struct Buffer t = mutt_buffer_make(PATH_MAX);
  mutt_buffer_mktemp(&t);

  const struct Binding *funcs = km_get_table(menu);
  const char *desc = mutt_map_get_name(menu, Menus);
  if (!desc)
    desc = _("<UNKNOWN>");

  do
  {
    fp = mutt_file_fopen(mutt_b2s(&t), "w");
    if (!fp)
    {
      mutt_perror(mutt_b2s(&t));
      goto cleanup;
    }

    dump_menu(fp, menu, wraplen);
    if ((menu != MENU_EDITOR) && (menu != MENU_PAGER))
    {
      fprintf(fp, "\n%s\n\n", _("Generic bindings:"));
      dump_menu(fp, MENU_GENERIC, wraplen);
    }

    fprintf(fp, "\n%s\n\n", _("Unbound functions:"));
    if (funcs)
      dump_unbound(fp, funcs, Keymaps[menu], NULL, wraplen);
    if (menu != MENU_PAGER)
      dump_unbound(fp, OpGeneric, Keymaps[MENU_GENERIC], Keymaps[menu], wraplen);

    mutt_file_fclose(&fp);

    snprintf(buf, sizeof(buf), _("Help for %s"), desc);
  } while (mutt_do_pager(buf, mutt_b2s(&t),
                         MUTT_PAGER_RETWINCH | MUTT_PAGER_MARKER | MUTT_PAGER_NSKIP | MUTT_PAGER_NOWRAP,
                         NULL) == OP_REFORMAT_WINCH);

cleanup:
  mutt_buffer_dealloc(&t);
}

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mutt_make_help()

void mutt_make_help	(	char *	buf,
		size_t	buflen,
		const char *	txt,
		enum MenuType	menu,
		int	op
	)

Create one entry for the help bar.

Parameters

buf	Buffer for the result
buflen	Length of buffer
txt	Text part, e.g. "delete"
menu	Current Menu, e.g. MENU_PAGER
op	Operation, e.g. OP_DELETE

This will return something like: "d:delete"

Definition at line 93 of file help.c.

{
  char tmp[128];

  if (km_expand_key(tmp, sizeof(tmp), km_find_func(menu, op)) ||
      km_expand_key(tmp, sizeof(tmp), km_find_func(MENU_GENERIC, op)))
  {
    snprintf(buf, buflen, "%s:%s", tmp, txt);
  }
  else
  {
    buf[0] = '\0';
  }
}

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mutt_set_flag_update()

void mutt_set_flag_update	(	struct Mailbox *	m,
		struct Email *	e,
		int	flag,
		bool	bf,
		bool	upd_mbox
	)

Set a flag on an email.

Parameters

m	Mailbox
e	Email
flag	Flag to set, e.g. MUTT_DELETE
bf	true: set the flag; false: clear the flag
upd_mbox	true: update the Mailbox

Definition at line 54 of file flags.c.

{
  if (!m || !e)
    return;

  bool changed = e->changed;
  int deleted = m->msg_deleted;
  int tagged = m->msg_tagged;
  int flagged = m->msg_flagged;
  int update = false;

  if (m->readonly && (flag != MUTT_TAG))
    return; /* don't modify anything if we are read-only */

  switch (flag)
  {
    case MUTT_DELETE:

      if (!(m->rights & MUTT_ACL_DELETE))
        return;

      if (bf)
      {
        if (!e->deleted && !m->readonly && (!e->flagged || !C_FlagSafe))
        {
          e->deleted = true;
          update = true;
          if (upd_mbox)
            m->msg_deleted++;
#ifdef USE_IMAP
          /* deleted messages aren't treated as changed elsewhere so that the
           * purge-on-sync option works correctly. This isn't applicable here */
          if (m->type == MUTT_IMAP)
          {
            e->changed = true;
            if (upd_mbox)
              m->changed = true;
          }
#endif
        }
      }
      else if (e->deleted)
      {
        e->deleted = false;
        update = true;
        if (upd_mbox)
          m->msg_deleted--;
#ifdef USE_IMAP
        /* see my comment above */
        if (m->type == MUTT_IMAP)
        {
          e->changed = true;
          if (upd_mbox)
            m->changed = true;
        }
#endif
        /* If the user undeletes a message which is marked as
         * "trash" in the maildir folder on disk, the folder has
         * been changed, and is marked accordingly.  However, we do
         * _not_ mark the message itself changed, because trashing
         * is checked in specific code in the maildir folder
         * driver.  */
        if ((m->type == MUTT_MAILDIR) && upd_mbox && e->trash)
          m->changed = true;
      }
      break;

    case MUTT_PURGE:

      if (!(m->rights & MUTT_ACL_DELETE))
        return;

      if (bf)
      {
        if (!e->purge && !m->readonly)
          e->purge = true;
      }
      else if (e->purge)
        e->purge = false;
      break;

    case MUTT_NEW:

      if (!(m->rights & MUTT_ACL_SEEN))
        return;

      if (bf)
      {
        if (e->read || e->old)
        {
          update = true;
          e->old = false;
          if (upd_mbox)
            m->msg_new++;
          if (e->read)
          {
            e->read = false;
            if (upd_mbox)
              m->msg_unread++;
          }
          e->changed = true;
          if (upd_mbox)
            m->changed = true;
        }
      }
      else if (!e->read)
      {
        update = true;
        if (!e->old)
          if (upd_mbox)
            m->msg_new--;
        e->read = true;
        if (upd_mbox)
          m->msg_unread--;
        e->changed = true;
        if (upd_mbox)
          m->changed = true;
      }
      break;

    case MUTT_OLD:

      if (!(m->rights & MUTT_ACL_SEEN))
        return;

      if (bf)
      {
        if (!e->old)
        {
          update = true;
          e->old = true;
          if (!e->read)
            if (upd_mbox)
              m->msg_new--;
          e->changed = true;
          if (upd_mbox)
            m->changed = true;
        }
      }
      else if (e->old)
      {
        update = true;
        e->old = false;
        if (!e->read)
          if (upd_mbox)
            m->msg_new++;
        e->changed = true;
        if (upd_mbox)
          m->changed = true;
      }
      break;

    case MUTT_READ:

      if (!(m->rights & MUTT_ACL_SEEN))
        return;

      if (bf)
      {
        if (!e->read)
        {
          update = true;
          e->read = true;
          if (upd_mbox)
            m->msg_unread--;
          if (!e->old)
            if (upd_mbox)
              m->msg_new--;
          e->changed = true;
          if (upd_mbox)
            m->changed = true;
        }
      }
      else if (e->read)
      {
        update = true;
        e->read = false;
        if (upd_mbox)
          m->msg_unread++;
        if (!e->old)
          if (upd_mbox)
            m->msg_new++;
        e->changed = true;
        if (upd_mbox)
          m->changed = true;
      }
      break;

    case MUTT_REPLIED:

      if (!(m->rights & MUTT_ACL_WRITE))
        return;

      if (bf)
      {
        if (!e->replied)
        {
          update = true;
          e->replied = true;
          if (!e->read)
          {
            e->read = true;
            if (upd_mbox)
              m->msg_unread--;
            if (!e->old)
              if (upd_mbox)
                m->msg_new--;
          }
          e->changed = true;
          if (upd_mbox)
            m->changed = true;
        }
      }
      else if (e->replied)
      {
        update = true;
        e->replied = false;
        e->changed = true;
        if (upd_mbox)
          m->changed = true;
      }
      break;

    case MUTT_FLAG:

      if (!(m->rights & MUTT_ACL_WRITE))
        return;

      if (bf)
      {
        if (!e->flagged)
        {
          update = true;
          e->flagged = bf;
          if (upd_mbox)
            m->msg_flagged++;
          e->changed = true;
          if (upd_mbox)
            m->changed = true;
        }
      }
      else if (e->flagged)
      {
        update = true;
        e->flagged = false;
        if (upd_mbox)
          m->msg_flagged--;
        e->changed = true;
        if (upd_mbox)
          m->changed = true;
      }
      break;

    case MUTT_TAG:
      if (bf)
      {
        if (!e->tagged)
        {
          update = true;
          e->tagged = true;
          if (upd_mbox)
            m->msg_tagged++;
        }
      }
      else if (e->tagged)
      {
        update = true;
        e->tagged = false;
        if (upd_mbox)
          m->msg_tagged--;
      }
      break;
  }

  if (update)
  {
    mutt_set_header_color(m, e);
#ifdef USE_SIDEBAR
    mutt_menu_set_current_redraw(REDRAW_SIDEBAR);
#endif
  }

  /* if the message status has changed, we need to invalidate the cached
   * search results so that any future search will match the current status
   * of this message and not what it was at the time it was last searched.  */
  if (e->searched && ((changed != e->changed) || (deleted != m->msg_deleted) ||
                      (tagged != m->msg_tagged) || (flagged != m->msg_flagged)))
  {
    e->searched = false;
  }
}

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mutt_signal_init()

void mutt_signal_init

(

void

)

Initialise the signal handling.

Definition at line 132 of file mutt_signal.c.

{
  mutt_sig_init(curses_signal_handler, curses_exit_handler, curses_segv_handler);

#ifdef USE_SLANG_CURSES
  /* This bit of code is required because of the implementation of
   * SLcurses_wgetch().  If a signal is received (like SIGWINCH) when we
   * are in blocking mode, SLsys_getkey() will not return an error unless
   * a handler function is defined and it returns -1.  This is needed so
   * that if the user resizes the screen while at a prompt, it will just
   * abort and go back to the main-menu.  */
  SLang_getkey_intr_hook = mutt_intr_hook;
#endif
}

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mutt_emails_set_flag()

void mutt_emails_set_flag	(	struct Mailbox *	m,
		struct EmailList *	el,
		int	flag,
		bool	bf
	)

Set flag on messages.

Parameters

m	Mailbox
el	List of Emails to flag
flag	Flag to set, e.g. MUTT_DELETE
bf	true: set the flag; false: clear the flag

Definition at line 353 of file flags.c.

{
  if (!m || !el || STAILQ_EMPTY(el))
    return;

  struct EmailNode *en = NULL;
  STAILQ_FOREACH(en, el, entries)
  {
    mutt_set_flag(m, en->email, flag, bf);
  }
}

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mutt_change_flag()

int mutt_change_flag	(	struct Mailbox *	m,
		struct EmailList *	el,
		bool	bf
	)

Change the flag on a Message.

Parameters

m	Mailbox
el	List of Emails to change
bf	true: set the flag; false: clear the flag

Return values

0	Success
-1	Failure

Definition at line 432 of file flags.c.

{
  if (!m || !el || STAILQ_EMPTY(el))
    return -1;

  int flag;
  struct KeyEvent event;

  mutt_window_mvprintw(MuttMessageWindow, 0, 0,
                       "%s? (D/N/O/r/*/!): ", bf ? _("Set flag") : _("Clear flag"));
  mutt_window_clrtoeol(MuttMessageWindow);
  mutt_refresh();

  do
  {
    event = mutt_getch();
  } while (event.ch == -2);
  int i = event.ch;
  if (i < 0)
  {
    mutt_window_clearline(MuttMessageWindow, 0);
    return -1;
  }

  mutt_window_clearline(MuttMessageWindow, 0);

  switch (i)
  {
    case 'd':
    case 'D':
      if (!bf)
        mutt_emails_set_flag(m, el, MUTT_PURGE, bf);
      flag = MUTT_DELETE;
      break;

    case 'N':
    case 'n':
      flag = MUTT_NEW;
      break;

    case 'o':
    case 'O':
      mutt_emails_set_flag(m, el, MUTT_READ, !bf);
      flag = MUTT_OLD;
      break;

    case 'r':
    case 'R':
      flag = MUTT_REPLIED;
      break;

    case '*':
      flag = MUTT_TAG;
      break;

    case '!':
      flag = MUTT_FLAG;
      break;

    default:
      mutt_beep(false);
      return -1;
  }

  mutt_emails_set_flag(m, el, flag, bf);
  return 0;
}

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mutt_complete()

int mutt_complete	(	char *	buf,
		size_t	buflen
	)

Attempt to complete a partial pathname.

Parameters

buf	Buffer containing pathname
buflen	Length of buffer

Return values

0	if ok
-1	if no matches

Given a partial pathname, fill in as much of the rest of the path as is unique.

Definition at line 57 of file complete.c.

{
  char *p = NULL;
  DIR *dirp = NULL;
  struct dirent *de = NULL;
  int init = 0;
  size_t len;
  struct Buffer *dirpart = NULL;
  struct Buffer *exp_dirpart = NULL;
  struct Buffer *filepart = NULL;
  struct Buffer *tmp = NULL;
#ifdef USE_IMAP
  struct Buffer *imap_path = NULL;
  int rc;
#endif

  mutt_debug(LL_DEBUG2, "completing %s\n", buf);

#ifdef USE_NNTP
  if (OptNews)
    return nntp_complete(buf, buflen);
#endif

#ifdef USE_IMAP
  imap_path = mutt_buffer_pool_get();
  /* we can use '/' as a delimiter, imap_complete rewrites it */
  if ((*buf == '=') || (*buf == '+') || (*buf == '!'))
  {
    if (*buf == '!')
      p = NONULL(C_Spoolfile);
    else
      p = NONULL(C_Folder);

    mutt_buffer_concat_path(imap_path, p, buf + 1);
  }
  else
    mutt_buffer_strcpy(imap_path, buf);

  if (imap_path_probe(mutt_b2s(imap_path), NULL) == MUTT_IMAP)
  {
    rc = imap_complete(buf, buflen, mutt_b2s(imap_path));
    mutt_buffer_pool_release(&imap_path);
    return rc;
  }

  mutt_buffer_pool_release(&imap_path);
#endif

  dirpart = mutt_buffer_pool_get();
  exp_dirpart = mutt_buffer_pool_get();
  filepart = mutt_buffer_pool_get();
  tmp = mutt_buffer_pool_get();

  if ((*buf == '=') || (*buf == '+') || (*buf == '!'))
  {
    mutt_buffer_addch(dirpart, *buf);
    if (*buf == '!')
      mutt_buffer_strcpy(exp_dirpart, NONULL(C_Spoolfile));
    else
      mutt_buffer_strcpy(exp_dirpart, NONULL(C_Folder));
    p = strrchr(buf, '/');
    if (p)
    {
      mutt_buffer_concatn_path(tmp, mutt_b2s(exp_dirpart), mutt_buffer_len(exp_dirpart),
                               buf + 1, (size_t)(p - buf - 1));
      mutt_buffer_copy(exp_dirpart, tmp);
      mutt_buffer_substrcpy(dirpart, buf, p + 1);
      mutt_buffer_strcpy(filepart, p + 1);
    }
    else
      mutt_buffer_strcpy(filepart, buf + 1);
    dirp = opendir(mutt_b2s(exp_dirpart));
  }
  else
  {
    p = strrchr(buf, '/');
    if (p)
    {
      if (p == buf) /* absolute path */
      {
        p = buf + 1;
        mutt_buffer_strcpy(dirpart, "/");
        mutt_buffer_strcpy(filepart, p);
        dirp = opendir(mutt_b2s(dirpart));
      }
      else
      {
        mutt_buffer_substrcpy(dirpart, buf, p);
        mutt_buffer_strcpy(filepart, p + 1);
        mutt_buffer_copy(exp_dirpart, dirpart);
        mutt_buffer_expand_path(exp_dirpart);
        dirp = opendir(mutt_b2s(exp_dirpart));
      }
    }
    else
    {
      /* no directory name, so assume current directory. */
      mutt_buffer_strcpy(filepart, buf);
      dirp = opendir(".");
    }
  }

  if (!dirp)
  {
    mutt_debug(LL_DEBUG1, "%s: %s (errno %d)\n", mutt_b2s(exp_dirpart),
               strerror(errno), errno);
    goto cleanup;
  }

  /* special case to handle when there is no filepart yet.  find the first
   * file/directory which is not "." or ".." */
  len = mutt_buffer_len(filepart);
  if (len == 0)
  {
    while ((de = readdir(dirp)))
    {
      if ((mutt_str_strcmp(".", de->d_name) != 0) &&
          (mutt_str_strcmp("..", de->d_name) != 0))
      {
        mutt_buffer_strcpy(filepart, de->d_name);
        init++;
        break;
      }
    }
  }

  while ((de = readdir(dirp)))
  {
    if (mutt_str_strncmp(de->d_name, mutt_b2s(filepart), len) == 0)
    {
      if (init)
      {
        char *cp = filepart->data;

        for (int i = 0; (*cp != '\0') && (de->d_name[i] != '\0'); i++, cp++)
        {
          if (*cp != de->d_name[i])
            break;
        }
        *cp = '\0';
        mutt_buffer_fix_dptr(filepart);
      }
      else
      {
        struct stat st;

        mutt_buffer_strcpy(filepart, de->d_name);

        /* check to see if it is a directory */
        if (mutt_buffer_is_empty(dirpart))
        {
          mutt_buffer_reset(tmp);
        }
        else
        {
          mutt_buffer_copy(tmp, exp_dirpart);
          mutt_buffer_addch(tmp, '/');
        }
        mutt_buffer_addstr(tmp, mutt_b2s(filepart));
        if ((stat(mutt_b2s(tmp), &st) != -1) && (st.st_mode & S_IFDIR))
          mutt_buffer_addch(filepart, '/');
        init = 1;
      }
    }
  }
  closedir(dirp);

  if (!mutt_buffer_is_empty(dirpart))
  {
    mutt_str_strfcpy(buf, mutt_b2s(dirpart), buflen);
    if ((mutt_str_strcmp("/", mutt_b2s(dirpart)) != 0) &&
        (mutt_b2s(dirpart)[0] != '=') && (mutt_b2s(dirpart)[0] != '+'))
    {
      mutt_str_strfcpy(buf + strlen(buf), "/", buflen - strlen(buf));
    }
    mutt_str_strfcpy(buf + strlen(buf), mutt_b2s(filepart), buflen - strlen(buf));
  }
  else
    mutt_str_strfcpy(buf, mutt_b2s(filepart), buflen);

cleanup:
  mutt_buffer_pool_release(&dirpart);
  mutt_buffer_pool_release(&exp_dirpart);
  mutt_buffer_pool_release(&filepart);
  mutt_buffer_pool_release(&tmp);

  return init ? 0 : -1;
}

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mutt_prepare_template()

int mutt_prepare_template	(	FILE *	fp,
		struct Mailbox *	m,
		struct Email *	e_new,
		struct Email *	e,
		bool	resend
	)

Prepare a message template.

Parameters

fp	If not NULL, file containing the template
m	If fp is NULL, the Mailbox containing the header with the template
e_new	The template is read into this Header
e	Email to recall/resend
resend	Set if resending (as opposed to recalling a postponed msg) Resent messages enable header weeding, and also discard any existing Message-ID and Mail-Followup-To

Return values

0	Success
-1	Error

Definition at line 655 of file postpone.c.

{
  struct Message *msg = NULL;
  struct Body *b = NULL;
  FILE *fp_body = NULL;
  int rc = -1;
  struct State s = { 0 };
  SecurityFlags sec_type;
  struct Envelope *protected_headers = NULL;

  if (!fp && !(msg = mx_msg_open(m, e->msgno)))
    return -1;

  if (!fp)
    fp = msg->fp;

  fp_body = fp;

  /* parse the message header and MIME structure */

  fseeko(fp, e->offset, SEEK_SET);
  e_new->offset = e->offset;
  /* enable header weeding for resent messages */
  e_new->env = mutt_rfc822_read_header(fp, e_new, true, resend);
  e_new->content->length = e->content->length;
  mutt_parse_part(fp, e_new->content);

  /* If resending a message, don't keep message_id or mail_followup_to.
   * Otherwise, we are resuming a postponed message, and want to keep those
   * headers if they exist.  */
  if (resend)
  {
    FREE(&e_new->env->message_id);
    FREE(&e_new->env->mail_followup_to);
  }

  /* decrypt pgp/mime encoded messages */

  if (((WithCrypto & APPLICATION_PGP) != 0) &&
      (sec_type = mutt_is_multipart_encrypted(e_new->content)))
  {
    e_new->security |= sec_type;
    if (!crypt_valid_passphrase(sec_type))
      goto bail;

    mutt_message(_("Decrypting message..."));
    if ((crypt_pgp_decrypt_mime(fp, &fp_body, e_new->content, &b) == -1) || !b)
    {
      goto bail;
    }

    mutt_body_free(&e_new->content);
    e_new->content = b;

    if (b->mime_headers)
    {
      protected_headers = b->mime_headers;
      b->mime_headers = NULL;
    }

    mutt_clear_error();
  }

  /* remove a potential multipart/signed layer - useful when
   * resending messages */
  if ((WithCrypto != 0) && mutt_is_multipart_signed(e_new->content))
  {
    e_new->security |= SEC_SIGN;
    if (((WithCrypto & APPLICATION_PGP) != 0) &&
        (mutt_str_strcasecmp(
             mutt_param_get(&e_new->content->parameter, "protocol"),
             "application/pgp-signature") == 0))
    {
      e_new->security |= APPLICATION_PGP;
    }
    else if (WithCrypto & APPLICATION_SMIME)
      e_new->security |= APPLICATION_SMIME;

    /* destroy the signature */
    mutt_body_free(&e_new->content->parts->next);
    e_new->content = mutt_remove_multipart(e_new->content);

    if (e_new->content->mime_headers)
    {
      mutt_env_free(&protected_headers);
      protected_headers = e_new->content->mime_headers;
      e_new->content->mime_headers = NULL;
    }
  }

  /* We don't need no primary multipart.
   * Note: We _do_ preserve messages!
   *
   * XXX - we don't handle multipart/alternative in any
   * smart way when sending messages.  However, one may
   * consider this a feature.  */
  if (e_new->content->type == TYPE_MULTIPART)
    e_new->content = mutt_remove_multipart(e_new->content);

  s.fp_in = fp_body;

  struct Buffer *file = mutt_buffer_pool_get();

  /* create temporary files for all attachments */
  for (b = e_new->content; b; b = b->next)
  {
    /* what follows is roughly a receive-mode variant of
     * mutt_get_tmp_attachment () from muttlib.c */

    mutt_buffer_reset(file);
    if (b->filename)
    {
      mutt_buffer_strcpy(file, b->filename);
      b->d_filename = mutt_str_strdup(b->filename);
    }
    else
    {
      /* avoid Content-Disposition: header with temporary filename */
      b->use_disp = false;
    }

    /* set up state flags */

    s.flags = 0;

    if (b->type == TYPE_TEXT)
    {
      if (mutt_str_strcasecmp("yes",
                              mutt_param_get(&b->parameter, "x-mutt-noconv")) == 0)
      {
        b->noconv = true;
      }
      else
      {
        s.flags |= MUTT_CHARCONV;
        b->noconv = false;
      }

      mutt_param_delete(&b->parameter, "x-mutt-noconv");
    }

    mutt_adv_mktemp(file);
    s.fp_out = mutt_file_fopen(mutt_b2s(file), "w");
    if (!s.fp_out)
      goto bail;

    if (((WithCrypto & APPLICATION_PGP) != 0) &&
        ((sec_type = mutt_is_application_pgp(b)) & (SEC_ENCRYPT | SEC_SIGN)))
    {
      if (sec_type & SEC_ENCRYPT)
      {
        if (!crypt_valid_passphrase(APPLICATION_PGP))
          goto bail;
        mutt_message(_("Decrypting message..."));
      }

      if (mutt_body_handler(b, &s) < 0)
      {
        mutt_error(_("Decryption failed"));
        goto bail;
      }

      if ((b == e_new->content) && !protected_headers)
      {
        protected_headers = b->mime_headers;
        b->mime_headers = NULL;
      }

      e_new->security |= sec_type;
      b->type = TYPE_TEXT;
      mutt_str_replace(&b->subtype, "plain");
      mutt_param_delete(&b->parameter, "x-action");
    }
    else if (((WithCrypto & APPLICATION_SMIME) != 0) &&
             ((sec_type = mutt_is_application_smime(b)) & (SEC_ENCRYPT | SEC_SIGN)))
    {
      if (sec_type & SEC_ENCRYPT)
      {
        if (!crypt_valid_passphrase(APPLICATION_SMIME))
          goto bail;
        crypt_smime_getkeys(e_new->env);
        mutt_message(_("Decrypting message..."));
      }

      if (mutt_body_handler(b, &s) < 0)
      {
        mutt_error(_("Decryption failed"));
        goto bail;
      }

      e_new->security |= sec_type;
      b->type = TYPE_TEXT;
      mutt_str_replace(&b->subtype, "plain");
    }
    else
      mutt_decode_attachment(b, &s);

    if (mutt_file_fclose(&s.fp_out) != 0)
      goto bail;

    mutt_str_replace(&b->filename, mutt_b2s(file));
    b->unlink = true;

    mutt_stamp_attachment(b);

    mutt_body_free(&b->parts);
    if (b->email)
      b->email->content = NULL; /* avoid dangling pointer */
  }

  if (C_CryptProtectedHeadersRead && protected_headers && protected_headers->subject &&
      (mutt_str_strcmp(e_new->env->subject, protected_headers->subject) != 0))
  {
    mutt_str_replace(&e_new->env->subject, protected_headers->subject);
  }
  mutt_env_free(&protected_headers);

  /* Fix encryption flags. */

  /* No inline if multipart. */
  if ((WithCrypto != 0) && (e_new->security & SEC_INLINE) && e_new->content->next)
    e_new->security &= ~SEC_INLINE;

  /* Do we even support multiple mechanisms? */
  e_new->security &= WithCrypto | ~(APPLICATION_PGP | APPLICATION_SMIME);

  /* Theoretically, both could be set. Take the one the user wants to set by default. */
  if ((e_new->security & APPLICATION_PGP) && (e_new->security & APPLICATION_SMIME))
  {
    if (C_SmimeIsDefault)
      e_new->security &= ~APPLICATION_PGP;
    else
      e_new->security &= ~APPLICATION_SMIME;
  }

  mutt_rfc3676_space_unstuff(e_new);

  rc = 0;

bail:

  /* that's it. */
  mutt_buffer_pool_release(&file);
  if (fp_body != fp)
    mutt_file_fclose(&fp_body);
  if (msg)
    mx_msg_close(m, &msg);

  if (rc == -1)
  {
    mutt_env_free(&e_new->env);
    mutt_body_free(&e_new->content);
  }

  return rc;
}

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mutt_enter_string()

int mutt_enter_string	(	char *	buf,
		size_t	buflen,
		int	col,
		CompletionFlags	flags
	)

Ask the user for a string.

Parameters

buf	Buffer to store the string
buflen	Buffer length
col	Initial cursor position
flags	Flags, see CompletionFlags

Return values

0	if input was given
-1	if abort

This function is for very basic input, currently used only by the built-in editor. It does not handle screen redrawing on resizes well, because there is no active menu for the built-in editor. Most callers should prefer mutt_get_field() instead.

Definition at line 145 of file enter.c.

{
  int rc;
  struct EnterState *es = mutt_enter_state_new();
  do
  {
    if (SigWinch)
    {
      SigWinch = 0;
      mutt_resize_screen();
      clearok(stdscr, true);
    }
    rc = mutt_enter_string_full(buf, buflen, col, flags, false, NULL, NULL, es);
  } while (rc == 1);
  mutt_enter_state_free(&es);
  return rc;
}

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mutt_enter_string_full()

int mutt_enter_string_full	(	char *	buf,
		size_t	buflen,
		int	col,
		CompletionFlags	flags,
		bool	multiple,
		char ***	files,
		int *	numfiles,
		struct EnterState *	state
	)

Ask the user for a string.

Parameters

[in]	buf	Buffer to store the string
[in]	buflen	Buffer length
[in]	col	Initial cursor position
[in]	flags	Flags, see CompletionFlags
[in]	multiple	Allow multiple matches
[out]	files	List of files selected
[out]	numfiles	Number of files selected
[out]	state	Current state (if function is called repeatedly)

Return values

1	Redraw the screen and call the function again
0	Selection made
-1	Aborted

Definition at line 177 of file enter.c.

{
  int width = MuttMessageWindow->state.cols - col - 1;
  enum EnterRedrawFlags redraw = ENTER_REDRAW_NONE;
  bool pass = (flags & MUTT_PASS);
  bool first = true;
  int ch;
  wchar_t *tempbuf = NULL;
  size_t templen = 0;
  enum HistoryClass hclass;
  int rc = 0;
  mbstate_t mbstate;
  memset(&mbstate, 0, sizeof(mbstate));

  if (state->wbuf)
  {
    /* Coming back after return 1 */
    redraw = ENTER_REDRAW_LINE;
    first = false;
  }
  else
  {
    /* Initialise wbuf from buf */
    state->wbuflen = 0;
    state->lastchar = mutt_mb_mbstowcs(&state->wbuf, &state->wbuflen, 0, buf);
    redraw = ENTER_REDRAW_INIT;
  }

  if (flags & MUTT_FILE)
    hclass = HC_FILE;
  else if (flags & MUTT_EFILE)
    hclass = HC_MBOX;
  else if (flags & MUTT_CMD)
    hclass = HC_CMD;
  else if (flags & MUTT_ALIAS)
    hclass = HC_ALIAS;
  else if (flags & MUTT_COMMAND)
    hclass = HC_COMMAND;
  else if (flags & MUTT_PATTERN)
    hclass = HC_PATTERN;
  else
    hclass = HC_OTHER;

  while (true)
  {
    if (!pass)
    {
      if (redraw == ENTER_REDRAW_INIT)
      {
        /* Go to end of line */
        state->curpos = state->lastchar;
        state->begin = mutt_mb_width_ceiling(
            state->wbuf, state->lastchar,
            mutt_mb_wcswidth(state->wbuf, state->lastchar) - width + 1);
      }
      if ((state->curpos < state->begin) ||
          (mutt_mb_wcswidth(state->wbuf + state->begin, state->curpos - state->begin) >= width))
      {
        state->begin = mutt_mb_width_ceiling(
            state->wbuf, state->lastchar,
            mutt_mb_wcswidth(state->wbuf, state->curpos) - (width / 2));
      }
      mutt_window_move(MuttMessageWindow, 0, col);
      int w = 0;
      for (size_t i = state->begin; i < state->lastchar; i++)
      {
        w += mutt_mb_wcwidth(state->wbuf[i]);
        if (w > width)
          break;
        my_addwch(state->wbuf[i]);
      }
      mutt_window_clrtoeol(MuttMessageWindow);
      mutt_window_move(MuttMessageWindow, 0,
                       col + mutt_mb_wcswidth(state->wbuf + state->begin,
                                              state->curpos - state->begin));
    }
    mutt_refresh();

    ch = km_dokey(MENU_EDITOR);
    if (ch < 0)
    {
      rc = (SigWinch && (ch == -2)) ? 1 : -1;
      goto bye;
    }

    if (ch != OP_NULL)
    {
      first = false;
      if ((ch != OP_EDITOR_COMPLETE) && (ch != OP_EDITOR_COMPLETE_QUERY))
        state->tabs = 0;
      redraw = ENTER_REDRAW_LINE;
      switch (ch)
      {
        case OP_EDITOR_HISTORY_UP:
          state->curpos = state->lastchar;
          if (mutt_hist_at_scratch(hclass))
          {
            mutt_mb_wcstombs(buf, buflen, state->wbuf, state->curpos);
            mutt_hist_save_scratch(hclass, buf);
          }
          replace_part(state, 0, mutt_hist_prev(hclass));
          redraw = ENTER_REDRAW_INIT;
          break;

        case OP_EDITOR_HISTORY_DOWN:
          state->curpos = state->lastchar;
          if (mutt_hist_at_scratch(hclass))
          {
            mutt_mb_wcstombs(buf, buflen, state->wbuf, state->curpos);
            mutt_hist_save_scratch(hclass, buf);
          }
          replace_part(state, 0, mutt_hist_next(hclass));
          redraw = ENTER_REDRAW_INIT;
          break;

        case OP_EDITOR_HISTORY_SEARCH:
          state->curpos = state->lastchar;
          mutt_mb_wcstombs(buf, buflen, state->wbuf, state->curpos);
          mutt_hist_complete(buf, buflen, hclass);
          replace_part(state, 0, buf);
          rc = 1;
          goto bye;
          break;

        case OP_EDITOR_BACKSPACE:
          if (state->curpos == 0)
          {
            // Pressing backspace when no text is in the command prompt should exit the prompt
            if (C_AbortBackspace && (state->lastchar == 0))
              goto bye;
            // Pressing backspace with text in the command prompt should just beep
            mutt_beep(false);
          }
          else
          {
            size_t i = state->curpos;
            while ((i > 0) && COMB_CHAR(state->wbuf[i - 1]))
              i--;
            if (i > 0)
              i--;
            memmove(state->wbuf + i, state->wbuf + state->curpos,
                    (state->lastchar - state->curpos) * sizeof(wchar_t));
            state->lastchar -= state->curpos - i;
            state->curpos = i;
          }
          break;

        case OP_EDITOR_BOL:
          state->curpos = 0;
          break;

        case OP_EDITOR_EOL:
          redraw = ENTER_REDRAW_INIT;
          break;

        case OP_EDITOR_KILL_LINE:
          state->curpos = 0;
          state->lastchar = 0;
          break;

        case OP_EDITOR_KILL_EOL:
          state->lastchar = state->curpos;
          break;

        case OP_EDITOR_BACKWARD_CHAR:
          if (state->curpos == 0)
            mutt_beep(false);
          else
          {
            while (state->curpos && COMB_CHAR(state->wbuf[state->curpos - 1]))
              state->curpos--;
            if (state->curpos)
              state->curpos--;
          }
          break;

        case OP_EDITOR_FORWARD_CHAR:
          if (state->curpos == state->lastchar)
            mutt_beep(false);
          else
          {
            state->curpos++;
            while ((state->curpos < state->lastchar) &&
                   COMB_CHAR(state->wbuf[state->curpos]))
            {
              state->curpos++;
            }
          }
          break;

        case OP_EDITOR_BACKWARD_WORD:
          if (state->curpos == 0)
            mutt_beep(false);
          else
          {
            while (state->curpos && iswspace(state->wbuf[state->curpos - 1]))
              state->curpos--;
            while (state->curpos && !iswspace(state->wbuf[state->curpos - 1]))
              state->curpos--;
          }
          break;

        case OP_EDITOR_FORWARD_WORD:
          if (state->curpos == state->lastchar)
            mutt_beep(false);
          else
          {
            while ((state->curpos < state->lastchar) &&
                   iswspace(state->wbuf[state->curpos]))
            {
              state->curpos++;
            }
            while ((state->curpos < state->lastchar) &&
                   !iswspace(state->wbuf[state->curpos]))
            {
              state->curpos++;
            }
          }
          break;

        case OP_EDITOR_CAPITALIZE_WORD:
        case OP_EDITOR_UPCASE_WORD:
        case OP_EDITOR_DOWNCASE_WORD:
          if (state->curpos == state->lastchar)
          {
            mutt_beep(false);
            break;
          }
          while (state->curpos && !iswspace(state->wbuf[state->curpos]))
            state->curpos--;
          while ((state->curpos < state->lastchar) && iswspace(state->wbuf[state->curpos]))
            state->curpos++;
          while ((state->curpos < state->lastchar) &&
                 !iswspace(state->wbuf[state->curpos]))
          {
            if (ch == OP_EDITOR_DOWNCASE_WORD)
              state->wbuf[state->curpos] = towlower(state->wbuf[state->curpos]);
            else
            {
              state->wbuf[state->curpos] = towupper(state->wbuf[state->curpos]);
              if (ch == OP_EDITOR_CAPITALIZE_WORD)
                ch = OP_EDITOR_DOWNCASE_WORD;
            }
            state->curpos++;
          }
          break;

        case OP_EDITOR_DELETE_CHAR:
          if (state->curpos == state->lastchar)
            mutt_beep(false);
          else
          {
            size_t i = state->curpos;
            while ((i < state->lastchar) && COMB_CHAR(state->wbuf[i]))
              i++;
            if (i < state->lastchar)
              i++;
            while ((i < state->lastchar) && COMB_CHAR(state->wbuf[i]))
              i++;
            memmove(state->wbuf + state->curpos, state->wbuf + i,
                    (state->lastchar - i) * sizeof(wchar_t));
            state->lastchar -= i - state->curpos;
          }
          break;

        case OP_EDITOR_KILL_WORD:
          /* delete to beginning of word */
          if (state->curpos != 0)
          {
            size_t i = state->curpos;
            while (i && iswspace(state->wbuf[i - 1]))
              i--;
            if (i > 0)
            {
              if (iswalnum(state->wbuf[i - 1]))
              {
                for (--i; (i > 0) && iswalnum(state->wbuf[i - 1]); i--)
                  ;
              }
              else
                i--;
            }
            memmove(state->wbuf + i, state->wbuf + state->curpos,
                    (state->lastchar - state->curpos) * sizeof(wchar_t));
            state->lastchar += i - state->curpos;
            state->curpos = i;
          }
          break;

        case OP_EDITOR_KILL_EOW:
        {
          /* delete to end of word */

          /* first skip over whitespace */
          size_t i;
          for (i = state->curpos; (i < state->lastchar) && iswspace(state->wbuf[i]); i++)
            ;

          /* if there are any characters left.. */
          if (i < state->lastchar)
          {
            /* if the current character is alphanumeric.. */
            if (iswalnum(state->wbuf[i]))
            {
              /* skip over the rest of the word consistent of only alphanumerics */
              for (; (i < state->lastchar) && iswalnum(state->wbuf[i]); i++)
                ;
            }
            else
            {
              /* skip over one non-alphanumeric character */
              i++;
            }
          }

          memmove(state->wbuf + state->curpos, state->wbuf + i,
                  (state->lastchar - i) * sizeof(wchar_t));
          state->lastchar += state->curpos - i;
          break;
        }

        case OP_EDITOR_MAILBOX_CYCLE:
          if (flags & MUTT_EFILE)
          {
            first = true; /* clear input if user types a real key later */
            mutt_mb_wcstombs(buf, buflen, state->wbuf, state->curpos);
            mutt_mailbox_next(Context ? Context->mailbox : NULL, buf, buflen);
            state->curpos = state->lastchar =
                mutt_mb_mbstowcs(&state->wbuf, &state->wbuflen, 0, buf);
            break;
          }
          else if (!(flags & MUTT_FILE))
          {
            goto self_insert;
          }
          /* fallthrough */

        case OP_EDITOR_COMPLETE:
        case OP_EDITOR_COMPLETE_QUERY:
          state->tabs++;
          if (flags & MUTT_CMD)
          {
            size_t i;
            for (i = state->curpos;
                 (i > 0) && !mutt_mb_is_shell_char(state->wbuf[i - 1]); i--)
            {
            }
            mutt_mb_wcstombs(buf, buflen, state->wbuf + i, state->curpos - i);
            if (tempbuf && (templen == (state->lastchar - i)) &&
                (memcmp(tempbuf, state->wbuf + i, (state->lastchar - i) * sizeof(wchar_t)) == 0))
            {
              mutt_select_file(buf, buflen, (flags & MUTT_EFILE) ? MUTT_SEL_FOLDER : MUTT_SEL_NO_FLAGS,
                               NULL, NULL);
              if (buf[0] != '\0')
                replace_part(state, i, buf);
              rc = 1;
              goto bye;
            }
            if (mutt_complete(buf, buflen) == 0)
            {
              templen = state->lastchar - i;
              mutt_mem_realloc(&tempbuf, templen * sizeof(wchar_t));
            }
            else
              mutt_beep(false);

            replace_part(state, i, buf);
          }
          else if ((flags & MUTT_ALIAS) && (ch == OP_EDITOR_COMPLETE))
          {
            /* invoke the alias-menu to get more addresses */
            size_t i;
            for (i = state->curpos;
                 (i > 0) && (state->wbuf[i - 1] != ',') && (state->wbuf[i - 1] != ':'); i--)
            {
            }
            for (; (i < state->lastchar) && (state->wbuf[i] == ' '); i++)
              ;
            mutt_mb_wcstombs(buf, buflen, state->wbuf + i, state->curpos - i);
            int rc2 = mutt_alias_complete(buf, buflen);
            replace_part(state, i, buf);
            if (rc2 != 1)
            {
              rc = 1;
              goto bye;
            }
            break;
          }
          else if ((flags & MUTT_LABEL) && (ch == OP_EDITOR_COMPLETE))
          {
            size_t i;
            for (i = state->curpos;
                 (i > 0) && (state->wbuf[i - 1] != ',') && (state->wbuf[i - 1] != ':'); i--)
            {
            }
            for (; (i < state->lastchar) && (state->wbuf[i] == ' '); i++)
              ;
            mutt_mb_wcstombs(buf, buflen, state->wbuf + i, state->curpos - i);
            int rc2 = mutt_label_complete(buf, buflen, state->tabs);
            replace_part(state, i, buf);
            if (rc2 != 1)
            {
              rc = 1;
              goto bye;
            }
            break;
          }
          else if ((flags & MUTT_PATTERN) && (ch == OP_EDITOR_COMPLETE))
          {
            size_t i;
            for (i = state->curpos; (i > 0) && (state->wbuf[i - 1] != '~'); i--)
              ;
            if ((i > 0) && (i < state->curpos) && (state->wbuf[i - 1] == '~') &&
                (state->wbuf[i] == 'y'))
            {
              i++;
              mutt_mb_wcstombs(buf, buflen, state->wbuf + i, state->curpos - i);
              int rc2 = mutt_label_complete(buf, buflen, state->tabs);
              replace_part(state, i, buf);
              if (rc2 != 1)
              {
                rc = 1;
                goto bye;
              }
            }
            else
              goto self_insert;
            break;
          }
          else if ((flags & MUTT_ALIAS) && (ch == OP_EDITOR_COMPLETE_QUERY))
          {
            size_t i = state->curpos;
            if (i != 0)
            {
              for (; (i > 0) && (state->wbuf[i - 1] != ','); i--)
                ;
              for (; (i < state->curpos) && (state->wbuf[i] == ' '); i++)
                ;
            }

            mutt_mb_wcstombs(buf, buflen, state->wbuf + i, state->curpos - i);
            mutt_query_complete(buf, buflen);
            replace_part(state, i, buf);

            rc = 1;
            goto bye;
          }
          else if (flags & MUTT_COMMAND)
          {
            mutt_mb_wcstombs(buf, buflen, state->wbuf, state->curpos);
            size_t i = strlen(buf);
            if ((i != 0) && (buf[i - 1] == '=') &&
                (mutt_var_value_complete(buf, buflen, i) != 0))
            {
              state->tabs = 0;
            }
            else if (mutt_command_complete(buf, buflen, i, state->tabs) == 0)
              mutt_beep(false);
            replace_part(state, 0, buf);
          }
          else if (flags & (MUTT_FILE | MUTT_EFILE))
          {
            mutt_mb_wcstombs(buf, buflen, state->wbuf, state->curpos);

            /* see if the path has changed from the last time */
            if ((!tempbuf && !state->lastchar) ||
                (tempbuf && (templen == state->lastchar) &&
                 (memcmp(tempbuf, state->wbuf, state->lastchar * sizeof(wchar_t)) == 0)))
            {
              mutt_select_file(buf, buflen,
                               ((flags & MUTT_EFILE) ? MUTT_SEL_FOLDER : MUTT_SEL_NO_FLAGS) |
                                   (multiple ? MUTT_SEL_MULTI : MUTT_SEL_NO_FLAGS),
                               files, numfiles);
              if (buf[0] != '\0')
              {
                mutt_pretty_mailbox(buf, buflen);
                if (!pass)
                  mutt_hist_add(hclass, buf, true);
                rc = 0;
                goto bye;
              }

              /* file selection cancelled */
              rc = 1;
              goto bye;
            }

            if (mutt_complete(buf, buflen) == 0)
            {
              templen = state->lastchar;
              mutt_mem_realloc(&tempbuf, templen * sizeof(wchar_t));
              memcpy(tempbuf, state->wbuf, templen * sizeof(wchar_t));
            }
            else
              mutt_beep(false); /* let the user know that nothing matched */
            replace_part(state, 0, buf);
          }
#ifdef USE_NOTMUCH
          else if (flags & MUTT_NM_QUERY)
          {
            mutt_mb_wcstombs(buf, buflen, state->wbuf, state->curpos);
            size_t len = strlen(buf);
            if (!mutt_nm_query_complete(buf, buflen, len, state->tabs))
              mutt_beep(false);

            replace_part(state, 0, buf);
          }
          else if (flags & MUTT_NM_TAG)
          {
            mutt_mb_wcstombs(buf, buflen, state->wbuf, state->curpos);
            if (!mutt_nm_tag_complete(buf, buflen, state->tabs))
              mutt_beep(false);

            replace_part(state, 0, buf);
          }
#endif
          else
            goto self_insert;
          break;

        case OP_EDITOR_QUOTE_CHAR:
        {
          struct KeyEvent event;
          do
          {
            event = mutt_getch();
          } while (event.ch == -2);
          if (event.ch >= 0)
          {
            LastKey = event.ch;
            goto self_insert;
          }
          break;
        }

        case OP_EDITOR_TRANSPOSE_CHARS:
          if (state->lastchar < 2)
            mutt_beep(false);
          else
          {
            wchar_t t;

            if (state->curpos == 0)
              state->curpos = 2;
            else if (state->curpos < state->lastchar)
              state->curpos++;

            t = state->wbuf[state->curpos - 2];
            state->wbuf[state->curpos - 2] = state->wbuf[state->curpos - 1];
            state->wbuf[state->curpos - 1] = t;
          }
          break;

        default:
          mutt_beep(false);
      }
    }
    else
    {
    self_insert:
      state->tabs = 0;
      wchar_t wc;
      /* use the raw keypress */
      ch = LastKey;

      /* quietly ignore all other function keys */
      if (ch & ~0xff)
        continue;

      /* gather the octets into a wide character */
      {
        char c = ch;
        size_t k = mbrtowc(&wc, &c, 1, &mbstate);
        if (k == (size_t)(-2))
          continue;
        else if ((k != 0) && (k != 1))
        {
          memset(&mbstate, 0, sizeof(mbstate));
          continue;
        }
      }

      if (first && (flags & MUTT_CLEAR))
      {
        first = false;
        if (IsWPrint(wc)) /* why? */
        {
          state->curpos = 0;
          state->lastchar = 0;
        }
      }

      if ((wc == '\r') || (wc == '\n'))
      {
        /* Convert from wide characters */
        mutt_mb_wcstombs(buf, buflen, state->wbuf, state->lastchar);
        if (!pass)
          mutt_hist_add(hclass, buf, true);

        if (multiple)
        {
          char **tfiles = NULL;
          *numfiles = 1;
          tfiles = mutt_mem_calloc(*numfiles, sizeof(char *));
          mutt_expand_path(buf, buflen);
          tfiles[0] = mutt_str_strdup(buf);
          *files = tfiles;
        }
        rc = 0;
        goto bye;
      }
      else if (wc && ((wc < ' ') || IsWPrint(wc))) /* why? */
      {
        if (state->lastchar >= state->wbuflen)
        {
          state->wbuflen = state->lastchar + 20;
          mutt_mem_realloc(&state->wbuf, state->wbuflen * sizeof(wchar_t));
        }
        memmove(state->wbuf + state->curpos + 1, state->wbuf + state->curpos,
                (state->lastchar - state->curpos) * sizeof(wchar_t));
        state->wbuf[state->curpos++] = wc;
        state->lastchar++;
      }
      else
      {
        mutt_flushinp();
        mutt_beep(false);
      }
    }
  }

bye:

  mutt_hist_reset_state(hclass);
  FREE(&tempbuf);
  return rc;
}

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mutt_get_postponed()

int mutt_get_postponed	(	struct Context *	ctx,
		struct Email *	hdr,
		struct Email **	cur,
		struct Buffer *	fcc
	)

Recall a postponed message.

Parameters

[in]	ctx	Context info, used when recalling a message to which we reply
[in]	hdr	envelope/attachment info for recalled message
[out]	cur	if message was a reply, 'cur' is set to the message which 'hdr' is in reply to
[in]	fcc	fcc for the recalled message

Return values

-1	Error/no messages
0	Normal exit
SEND_REPLY	Recalled message is a reply

Definition at line 331 of file postpone.c.

{
  if (!C_Postponed)
    return -1;

  struct Email *e = NULL;
  int rc = SEND_POSTPONED;
  const char *p = NULL;
  struct Context *ctx_post = NULL;

  struct Mailbox *m = mx_path_resolve(C_Postponed);
  if (ctx && (ctx->mailbox == m))
    ctx_post = ctx;
  else
    ctx_post = mx_mbox_open(m, MUTT_NOSORT);

  if (!ctx_post)
  {
    PostCount = 0;
    mutt_error(_("No postponed messages"));
    mailbox_free(&m);
    return -1;
  }

  /* TODO:
   * mx_mbox_open() for IMAP leaves IMAP_REOPEN_ALLOW set.  For the
   * index this is papered-over because it calls mx_check_mailbox()
   * every event loop(which resets that flag).
   *
   * For a stable-branch fix, I'm doing the same here, to prevent
   * context changes from occuring behind the scenes and causing
   * segvs, but probably the flag needs to be reset after downloading
   * headers in imap_open_mailbox().
   */
  mx_mbox_check(ctx_post->mailbox, NULL);

  if (ctx_post->mailbox->msg_count == 0)
  {
    PostCount = 0;
    if (ctx_post == ctx)
      ctx_post = NULL;
    else
      mx_mbox_close(&ctx_post);
    mutt_error(_("No postponed messages"));
    return -1;
  }

  if (ctx_post->mailbox->msg_count == 1)
  {
    /* only one message, so just use that one. */
    e = ctx_post->mailbox->emails[0];
  }
  else if (!(e = select_msg(ctx_post)))
  {
    if (ctx_post == ctx)
      ctx_post = NULL;
    else
      mx_mbox_close(&ctx_post);
    return -1;
  }

  if (mutt_prepare_template(NULL, ctx_post->mailbox, hdr, e, false) < 0)
  {
    if (ctx_post != ctx)
    {
      mx_fastclose_mailbox(ctx_post->mailbox);
      FREE(&ctx_post);
    }
    return -1;
  }

  /* finished with this message, so delete it. */
  mutt_set_flag(ctx_post->mailbox, e, MUTT_DELETE, true);
  mutt_set_flag(ctx_post->mailbox, e, MUTT_PURGE, true);

  /* update the count for the status display */
  PostCount = ctx_post->mailbox->msg_count - ctx_post->mailbox->msg_deleted;

  /* avoid the "purge deleted messages" prompt */
  int opt_delete = C_Delete;
  C_Delete = MUTT_YES;
  if (ctx_post == ctx)
    ctx_post = NULL;
  else
    mx_mbox_close(&ctx_post);
  C_Delete = opt_delete;

  struct ListNode *np = NULL, *tmp = NULL;
  STAILQ_FOREACH_SAFE(np, &hdr->env->userhdrs, entries, tmp)
  {
    size_t plen = mutt_str_startswith(np->data, "X-Mutt-References:", CASE_IGNORE);
    if (plen)
    {
      /* if a mailbox is currently open, look to see if the original message
       * the user attempted to reply to is in this mailbox */
      p = mutt_str_skip_email_wsp(np->data + plen);
      if (!ctx->mailbox->id_hash)
        ctx->mailbox->id_hash = mutt_make_id_hash(ctx->mailbox);
      *cur = mutt_hash_find(ctx->mailbox->id_hash, p);

      if (*cur)
        rc |= SEND_REPLY;
    }
    else if ((plen = mutt_str_startswith(np->data, "X-Mutt-Fcc:", CASE_IGNORE)))
    {
      p = mutt_str_skip_email_wsp(np->data + plen);
      mutt_buffer_strcpy(fcc, p);
      mutt_buffer_pretty_mailbox(fcc);

      /* note that x-mutt-fcc was present.  we do this because we want to add a
       * default fcc if the header was missing, but preserve the request of the
       * user to not make a copy if the header field is present, but empty.
       * see http://dev.mutt.org/trac/ticket/3653 */
      rc |= SEND_POSTPONED_FCC;
    }
    else if (((WithCrypto & APPLICATION_PGP) != 0) &&
             /* this is generated by old neomutt versions */
             (mutt_str_startswith(np->data, "Pgp:", CASE_MATCH) ||
              /* this is the new way */
              mutt_str_startswith(np->data, "X-Mutt-PGP:", CASE_MATCH)))
    {
      hdr->security = mutt_parse_crypt_hdr(strchr(np->data, ':') + 1, true, APPLICATION_PGP);
      hdr->security |= APPLICATION_PGP;
    }
    else if (((WithCrypto & APPLICATION_SMIME) != 0) &&
             mutt_str_startswith(np->data, "X-Mutt-SMIME:", CASE_MATCH))
    {
      hdr->security = mutt_parse_crypt_hdr(strchr(np->data, ':') + 1, true, APPLICATION_SMIME);
      hdr->security |= APPLICATION_SMIME;
    }
#ifdef MIXMASTER
    else if (mutt_str_startswith(np->data, "X-Mutt-Mix:", CASE_MATCH))
    {
      mutt_list_free(&hdr->chain);

      char *t = strtok(np->data + 11, " \t\n");
      while (t)
      {
        mutt_list_insert_tail(&hdr->chain, mutt_str_strdup(t));
        t = strtok(NULL, " \t\n");
      }
    }
#endif
    else
    {
      // skip header removal
      continue;
    }

    // remove the header
    STAILQ_REMOVE(&hdr->env->userhdrs, np, ListNode, entries);
    FREE(&np->data);
    FREE(&np);
  }

  if (C_CryptOpportunisticEncrypt)
    crypt_opportunistic_encrypt(hdr);

  return rc;
}

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mutt_parse_crypt_hdr()

SecurityFlags mutt_parse_crypt_hdr	(	const char *	p,
		bool	set_empty_signas,
		SecurityFlags	crypt_app
	)

Parse a crypto header string.

Parameters

p	Header string to parse
set_empty_signas	Allow an empty "Sign as"
crypt_app	App, e.g. APPLICATION_PGP

Return values

num	SecurityFlags, see SecurityFlags

Definition at line 500 of file postpone.c.

{
  char smime_cryptalg[1024] = { 0 };
  char sign_as[1024] = { 0 };
  char *q = NULL;
  SecurityFlags flags = SEC_NO_FLAGS;

  if (!WithCrypto)
    return SEC_NO_FLAGS;

  p = mutt_str_skip_email_wsp(p);
  for (; p[0] != '\0'; p++)
  {
    switch (p[0])
    {
      case 'c':
      case 'C':
        q = smime_cryptalg;

        if (p[1] == '<')
        {
          for (p += 2; (p[0] != '\0') && (p[0] != '>') &&
                       (q < (smime_cryptalg + sizeof(smime_cryptalg) - 1));
               *q++ = *p++)
          {
          }

          if (p[0] != '>')
          {
            mutt_error(_("Illegal S/MIME header"));
            return SEC_NO_FLAGS;
          }
        }

        *q = '\0';
        break;

      case 'e':
      case 'E':
        flags |= SEC_ENCRYPT;
        break;

      case 'i':
      case 'I':
        flags |= SEC_INLINE;
        break;

      /* This used to be the micalg parameter.
       *
       * It's no longer needed, so we just skip the parameter in order
       * to be able to recall old messages.  */
      case 'm':
      case 'M':
        if (p[1] != '<')
          break;

        for (p += 2; (p[0] != '\0') && (p[0] != '>'); p++)
          ;
        if (p[0] != '>')
        {
          mutt_error(_("Illegal crypto header"));
          return SEC_NO_FLAGS;
        }
        break;

      case 'o':
      case 'O':
        flags |= SEC_OPPENCRYPT;
        break;

      case 'a':
      case 'A':
#ifdef USE_AUTOCRYPT
        flags |= SEC_AUTOCRYPT;
#endif
        break;

      case 'z':
      case 'Z':
#ifdef USE_AUTOCRYPT
        flags |= SEC_AUTOCRYPT_OVERRIDE;
#endif
        break;

      case 's':
      case 'S':
        flags |= SEC_SIGN;
        q = sign_as;

        if (p[1] == '<')
        {
          for (p += 2;
               (p[0] != '\0') && (*p != '>') && (q < (sign_as + sizeof(sign_as) - 1));
               *q++ = *p++)
          {
          }

          if (p[0] != '>')
          {
            mutt_error(_("Illegal crypto header"));
            return SEC_NO_FLAGS;
          }
        }

        q[0] = '\0';
        break;

      default:
        mutt_error(_("Illegal crypto header"));
        return SEC_NO_FLAGS;
    }
  }

  /* the cryptalg field must not be empty */
  if (((WithCrypto & APPLICATION_SMIME) != 0) && *smime_cryptalg)
  {
    struct Buffer errmsg = mutt_buffer_make(0);
    int rc = cs_subset_str_string_set(NeoMutt->sub, "smime_encrypt_with",
                                      smime_cryptalg, &errmsg);

    if ((CSR_RESULT(rc) != CSR_SUCCESS) && !mutt_buffer_is_empty(&errmsg))
      mutt_error("%s", mutt_b2s(&errmsg));

    mutt_buffer_dealloc(&errmsg);
  }

  /* Set {Smime,Pgp}SignAs, if desired. */

  if (((WithCrypto & APPLICATION_PGP) != 0) && (crypt_app == APPLICATION_PGP) &&
      (flags & SEC_SIGN) && (set_empty_signas || *sign_as))
  {
    mutt_str_replace(&C_PgpSignAs, sign_as);
  }

  if (((WithCrypto & APPLICATION_SMIME) != 0) && (crypt_app == APPLICATION_SMIME) &&
      (flags & SEC_SIGN) && (set_empty_signas || *sign_as))
  {
    mutt_str_replace(&C_SmimeSignAs, sign_as);
  }

  return flags;
}

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mutt_num_postponed()

int mutt_num_postponed	(	struct Mailbox *	m,
		bool	force
	)

Return the number of postponed messages.

Parameters

m	currently selected mailbox
force	false Use a cached value if costly to get a fresh count (IMAP) true Force check

Return values

num	Postponed messages

Definition at line 86 of file postpone.c.

{
  struct stat st;

  static time_t LastModify = 0;
  static char *OldPostponed = NULL;

  if (UpdateNumPostponed)
  {
    UpdateNumPostponed = false;
    force = true;
  }

  if (mutt_str_strcmp(C_Postponed, OldPostponed) != 0)
  {
    FREE(&OldPostponed);
    OldPostponed = mutt_str_strdup(C_Postponed);
    LastModify = 0;
    force = true;
  }

  if (!C_Postponed)
    return 0;

  // We currently are in the C_Postponed mailbox so just pick the current status
  if (m && (mutt_str_strcmp(C_Postponed, m->realpath) == 0))
  {
    PostCount = m->msg_count - m->msg_deleted;
    return PostCount;
  }

#ifdef USE_IMAP
  /* LastModify is useless for IMAP */
  if (imap_path_probe(C_Postponed, NULL) == MUTT_IMAP)
  {
    if (force)
    {
      short newpc;

      newpc = imap_path_status(C_Postponed, false);
      if (newpc >= 0)
      {
        PostCount = newpc;
        mutt_debug(LL_DEBUG3, "%d postponed IMAP messages found\n", PostCount);
      }
      else
        mutt_debug(LL_DEBUG3, "using old IMAP postponed count\n");
    }
    return PostCount;
  }
#endif

  if (stat(C_Postponed, &st) == -1)
  {
    PostCount = 0;
    LastModify = 0;
    return 0;
  }

  if (S_ISDIR(st.st_mode))
  {
    /* if we have a maildir mailbox, we need to stat the "new" dir */
    struct Buffer *buf = mutt_buffer_pool_get();

    mutt_buffer_printf(buf, "%s/new", C_Postponed);
    if ((access(mutt_b2s(buf), F_OK) == 0) && (stat(mutt_b2s(buf), &st) == -1))
    {
      PostCount = 0;
      LastModify = 0;
      mutt_buffer_pool_release(&buf);
      return 0;
    }
    mutt_buffer_pool_release(&buf);
  }

  if (LastModify < st.st_mtime)
  {
#ifdef USE_NNTP
    int optnews = OptNews;
#endif
    LastModify = st.st_mtime;

    if (access(C_Postponed, R_OK | F_OK) != 0)
      return PostCount = 0;
#ifdef USE_NNTP
    if (optnews)
      OptNews = false;
#endif
    struct Mailbox *m_post = mx_path_resolve(C_Postponed);
    struct Context *ctx = mx_mbox_open(m_post, MUTT_NOSORT | MUTT_QUIET);
    if (ctx)
    {
      PostCount = ctx->mailbox->msg_count;
    }
    else
    {
      mailbox_free(&m_post);
      PostCount = 0;
    }
    mx_fastclose_mailbox(m_post);
    ctx_free(&ctx);
#ifdef USE_NNTP
    if (optnews)
      OptNews = true;
#endif
  }

  return PostCount;
}

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mutt_thread_set_flag()

int mutt_thread_set_flag	(	struct Email *	e,
		int	flag,
		bool	bf,
		bool	subthread
	)

Set a flag on an entire thread.

Parameters

e	Email
flag	Flag to set, e.g. MUTT_DELETE
bf	true: set the flag; false: clear the flag
subthread	If true apply to all of the thread

Return values

0	Success
-1	Failure

Definition at line 374 of file flags.c.

{
  struct MuttThread *start = NULL;
  struct MuttThread *cur = e->thread;

  if ((C_Sort & SORT_MASK) != SORT_THREADS)
  {
    mutt_error(_("Threading is not enabled"));
    return -1;
  }

  if (!subthread)
    while (cur->parent)
      cur = cur->parent;
  start = cur;

  if (cur->message && (cur != e->thread))
    mutt_set_flag(Context->mailbox, cur->message, flag, bf);

  cur = cur->child;
  if (!cur)
    goto done;

  while (true)
  {
    if (cur->message && (cur != e->thread))
      mutt_set_flag(Context->mailbox, cur->message, flag, bf);

    if (cur->child)
      cur = cur->child;
    else if (cur->next)
      cur = cur->next;
    else
    {
      while (!cur->next)
      {
        cur = cur->parent;
        if (cur == start)
          goto done;
      }
      cur = cur->next;
    }
  }
done:
  cur = e->thread;
  if (cur->message)
    mutt_set_flag(Context->mailbox, cur->message, flag, bf);
  return 0;
}

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mutt_update_num_postponed()

void mutt_update_num_postponed

(

void

)

Force the update of the number of postponed messages.

Definition at line 199 of file postpone.c.

{
  UpdateNumPostponed = true;
}

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mutt_is_quote_line()

int mutt_is_quote_line	(	char *	line,
		regmatch_t *	pmatch
	)

Is a line of message text a quote?

Parameters

[in]	line	Line to test
[out]	pmatch	Regex sub-matches

Return values

true	Line is quoted

Checks if line matches the C_QuoteRegex and doesn't match C_Smileys. This is used by the pager for calling classify_quote.

Definition at line 937 of file pager.c.

{
  bool is_quote = false;
  regmatch_t pmatch_internal[1], smatch[1];

  if (!pmatch)
    pmatch = pmatch_internal;

  if (mutt_regex_capture(C_QuoteRegex, line, 1, pmatch))
  {
    if (mutt_regex_capture(C_Smileys, line, 1, smatch))
    {
      if (smatch[0].rm_so > 0)
      {
        char c = line[smatch[0].rm_so];
        line[smatch[0].rm_so] = 0;

        if (mutt_regex_capture(C_QuoteRegex, line, 1, pmatch))
          is_quote = true;

        line[smatch[0].rm_so] = c;
      }
    }
    else
      is_quote = true;
  }

  return is_quote;
}

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wcscasecmp()

int wcscasecmp	(	const wchar_t *	a,
		const wchar_t *	b
	)

Compare two wide-character strings, ignoring case.

Parameters

a	First string
b	Second string

Return values

-1	a precedes b
0	a and b are identical
1	b precedes a

Definition at line 41 of file wcscasecmp.c.

{
  if (!a && !b)
    return 0;
  if (!a && b)
    return -1;
  if (a && !b)
    return 1;

  for (; *a || *b; a++, b++)
  {
    int i = towlower(*a);
    if ((i - towlower(*b)) != 0)
      return i;
  }
  return 0;
}

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mutt_reply_observer()

int mutt_reply_observer

(

struct NotifyCallback *

nc

)

Listen for config changes to "reply_regex" - Implements observer_t.

Definition at line 3978 of file index.c.

{
  if (!nc->event_data)
    return -1;
  if (nc->event_type != NT_CONFIG)
    return 0;

  struct EventConfig *ec = nc->event_data;

  if (mutt_str_strcmp(ec->name, "reply_regex") != 0)
    return 0;

  if (!Context || !Context->mailbox)
    return 0;

  regmatch_t pmatch[1];
  struct Mailbox *m = Context->mailbox;

  for (int i = 0; i < m->msg_count; i++)
  {
    struct Email *e = m->emails[i];
    if (!e)
      break;
    struct Envelope *env = e->env;
    if (!env || !env->subject)
      continue;

    if (mutt_regex_capture(C_ReplyRegex, env->subject, 1, pmatch))
    {
      env->real_subj = env->subject + pmatch[0].rm_eo;
      continue;
    }

    env->real_subj = env->subject;
  }

  OptResortInit = true; /* trigger a redraw of the index */
  return 0;
}

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