shared.c

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#include "config.h"
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "mutt/lib.h"
#include "email/lib.h"
#include "core/lib.h"
#include "mutt.h"
#include "mdata.h"

mode_t maildir_umask(struct Mailbox *m)
{
  struct MaildirMboxData *mdata = maildir_mdata_get(m);
  if (mdata && mdata->umask)
    return mdata->umask;
 
  struct stat st = { 0 };
  if (stat(mailbox_path(m), &st) != 0)
  {
    mutt_debug(LL_DEBUG1, "stat failed on %s\n", mailbox_path(m));
    return 077;
  }
 
  return 0777 & ~st.st_mode;
}

void maildir_canon_filename(struct Buffer *dest, const char *src)
{
  if (!dest || !src)
    return;
 
  char *t = strrchr(src, '/');
  if (t)
    src = t + 1;
 
  buf_strcpy(dest, src);
 
  const char c_maildir_field_delimiter = *cc_maildir_field_delimiter();
 
  char searchable_bytes[8] = { 0 };
  snprintf(searchable_bytes, sizeof(searchable_bytes), ",%c", c_maildir_field_delimiter);
  char *u = strpbrk(dest->data, searchable_bytes);
 
  if (u)
  {
    *u = '\0';
    dest->dptr = u;
  }
}

bool maildir_update_flags(struct Mailbox *m, struct Email *e_old, struct Email *e_new)
{
  if (!m)
    return false;
 
  /* save the global state here so we can reset it at the
   * end of list block if required.  */
  bool context_changed = m->changed;
 
  /* user didn't modify this message.  alter the flags to match the
   * current state on disk.  This may not actually do
   * anything. mutt_set_flag() will just ignore the call if the status
   * bits are already properly set, but it is still faster not to pass
   * through it */
  if (e_old->flagged != e_new->flagged)
    mutt_set_flag(m, e_old, MUTT_FLAG, e_new->flagged, true);
  if (e_old->replied != e_new->replied)
    mutt_set_flag(m, e_old, MUTT_REPLIED, e_new->replied, true);
  if (e_old->read != e_new->read)
    mutt_set_flag(m, e_old, MUTT_READ, e_new->read, true);
  if (e_old->old != e_new->old)
    mutt_set_flag(m, e_old, MUTT_OLD, e_new->old, true);
 
  /* mutt_set_flag() will set this, but we don't need to
   * sync the changes we made because we just updated the
   * context to match the current on-disk state of the
   * message.  */
  bool header_changed = e_old->changed;
  e_old->changed = false;
 
  /* if the mailbox was not modified before we made these
   * changes, unset the changed flag since nothing needs to
   * be synchronized.  */
  if (!context_changed)
    m->changed = false;
 
  return header_changed;
}