state.c File Reference

Keep track when processing files. More...

#include "config.h"
#include <inttypes.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <wchar.h>
#include "state.h"
#include "date.h"
#include "random.h"

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Functions
const char *	state_attachment_marker (void)
	Get a unique (per-run) ANSI string to mark PGP messages in an email.
const char *	state_protected_header_marker (void)
	Get a unique (per-run) ANSI string to mark protected headers in an email.
void	state_mark_attach (struct State *state)
	Write a unique marker around content.
void	state_mark_protected_header (struct State *state)
	Write a unique marker around protected headers.
void	state_attach_puts (struct State *state, const char *t)
	Write a string to the state.
static int	state_putwc (struct State *state, wchar_t wc)
	Write a wide character to the state.
int	state_putws (struct State *state, const wchar_t *ws)
	Write a wide string to the state.
void	state_prefix_putc (struct State *state, char c)
	Write a prefixed character to the state.
int	state_printf (struct State *state, const char *fmt,...)
	Write a formatted string to the State.
void	state_prefix_put (struct State *state, const char *buf, size_t buflen)
	Write a prefixed fixed-string to the State.

Detailed Description

Keep track when processing files.

Authors

• Richard Russon
• Pietro Cerutti

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 state.c.

Function Documentation

state_attachment_marker()

const char * state_attachment_marker

(

void

)

Get a unique (per-run) ANSI string to mark PGP messages in an email.

Return values

ptr

Marker

Definition at line 44 of file state.c.

{
  static char marker[256] = { 0 };
  if (!marker[0])
  {
    snprintf(marker, sizeof(marker), "\033]9;%" PRIu64 "\a", mutt_rand64());
  }
  return marker;
}

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state_protected_header_marker()

const char * state_protected_header_marker

(

void

)

Get a unique (per-run) ANSI string to mark protected headers in an email.

Return values

ptr

Marker

Definition at line 58 of file state.c.

{
  static char marker[256] = { 0 };
  if (!marker[0])
  {
    snprintf(marker, sizeof(marker), "\033]8;%lld\a", (long long) mutt_date_now());
  }
  return marker;
}

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state_mark_attach()

void state_mark_attach

(

struct State *

state

)

Write a unique marker around content.

Parameters

state

State to write to

Definition at line 72 of file state.c.

{
  if (!state || !state->fp_out)
    return;
 
  if ((state->flags & (STATE_DISPLAY | STATE_PAGER)) == (STATE_DISPLAY | STATE_PAGER))
  {
    state_puts(state, state_attachment_marker());
  }
}

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state_mark_protected_header()

void state_mark_protected_header

(

struct State *

state

)

Write a unique marker around protected headers.

Parameters

state

State to write to

Definition at line 87 of file state.c.

{
  if (!state || !state->fp_out)
    return;
 
  if ((state->flags & (STATE_DISPLAY | STATE_PAGER)) == (STATE_DISPLAY | STATE_PAGER))
  {
    state_puts(state, state_protected_header_marker());
  }
}

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state_attach_puts()

void state_attach_puts	(	struct State *	state,
		const char *	t
	)

Write a string to the state.

Parameters

state	State to write to
t	Text to write

Definition at line 103 of file state.c.

{
  if (!state || !state->fp_out || !t)
    return;
 
  if (*t != '\n')
    state_mark_attach(state);
  while (*t)
  {
    state_putc(state, *t);
    if ((*t++ == '\n') && *t)
      if (*t != '\n')
        state_mark_attach(state);
  }
}

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state_putwc()

static int state_putwc ( struct State *  state, wchar_t  wc  )

static

Write a wide character to the state.

Parameters

state	State to write to
wc	Wide character to write

Return values

0	Success
-1	Error

Definition at line 126 of file state.c.

{
  char mb[MB_LEN_MAX] = { 0 };
  int rc;
 
  rc = wcrtomb(mb, wc, NULL);
  if (rc < 0)
    return rc;
  if (fputs(mb, state->fp_out) == EOF)
    return -1;
  return 0;
}

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state_putws()

int state_putws	(	struct State *	state,
		const wchar_t *	ws
	)

Write a wide string to the state.

Parameters

state	State to write to
ws	Wide string to write

Return values

0	Success
-1	Error

Definition at line 146 of file state.c.

{
  const wchar_t *p = ws;
 
  while (p && (*p != L'\0'))
  {
    if (state_putwc(state, *p) < 0)
      return -1;
    p++;
  }
  return 0;
}

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state_prefix_putc()

void state_prefix_putc	(	struct State *	state,
		char	c
	)

Write a prefixed character to the state.

Parameters

state	State to write to
c	Character to write

Definition at line 164 of file state.c.

{
  if (state->flags & STATE_PENDINGPREFIX)
  {
    state_reset_prefix(state);
    if (state->prefix)
      state_puts(state, state->prefix);
  }
 
  state_putc(state, c);
 
  if (c == '\n')
    state_set_prefix(state);
}

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state_printf()

int state_printf	(	struct State *	state,
		const char *	fmt,
			...
	)

Write a formatted string to the State.

Parameters

state	State to write to
fmt	printf format string
...	Arguments to formatting string

Return values

num	Number of characters written

Definition at line 186 of file state.c.

{
  int rc;
  va_list ap;
 
  va_start(ap, fmt);
  rc = vfprintf(state->fp_out, fmt, ap);
  va_end(ap);
 
  return rc;
}

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state_prefix_put()

void state_prefix_put	(	struct State *	state,
		const char *	buf,
		size_t	buflen
	)

Write a prefixed fixed-string to the State.

Parameters

state	State to write to
buf	String to write
buflen	Length of string

Definition at line 204 of file state.c.

{
  if (state->prefix)
  {
    while (buflen--)
      state_prefix_putc(state, *buf++);
  }
  else
  {
    fwrite(buf, buflen, 1, state->fp_out);
  }
}

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