reverse.c

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#include "config.h"
#include <stddef.h>
#include "mutt/lib.h"
#include "address/lib.h"
#include "reverse.h"
#include "lib.h"
#include "alias.h"
 
static struct HashTable *ReverseAliases = NULL; 
 
void alias_reverse_init(void)
{
  /* reverse alias keys need to be strdup'ed because of idna conversions */
  ReverseAliases = mutt_hash_new(1031, MUTT_HASH_STRCASECMP | MUTT_HASH_STRDUP_KEYS |
                                           MUTT_HASH_ALLOW_DUPS);
}
 
void alias_reverse_shutdown(void)
{
  mutt_hash_free(&ReverseAliases);
}
 
void alias_reverse_add(struct Alias *alias)
{
  if (!alias)
    return;
 
  /* Note that the address mailbox should be converted to intl form
   * before using as a key in the hash.  This is currently done
   * by all callers, but added here mostly as documentation. */
  mutt_addrlist_to_intl(&alias->addr, NULL);
 
  struct Address *addr = NULL;
  TAILQ_FOREACH(addr, &alias->addr, entries)
  {
    if (!addr->group && addr->mailbox)
      mutt_hash_insert(ReverseAliases, buf_string(addr->mailbox), addr);
  }
}
 
void alias_reverse_delete(struct Alias *alias)
{
  if (!alias)
    return;
 
  /* If the alias addresses were converted to local form, they won't
   * match the hash entries. */
  mutt_addrlist_to_intl(&alias->addr, NULL);
 
  struct Address *addr = NULL;
  TAILQ_FOREACH(addr, &alias->addr, entries)
  {
    if (!addr->group && addr->mailbox)
      mutt_hash_delete(ReverseAliases, buf_string(addr->mailbox), addr);
  }
}
 
struct Address *alias_reverse_lookup(const struct Address *addr)
{
  if (!addr || !addr->mailbox)
    return NULL;
 
  return mutt_hash_find(ReverseAliases, buf_string(addr->mailbox));
}