path.c

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#include "config.h"
#include <dirent.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <sys/stat.h>
#include "mutt/lib.h"
#include "path.h"
 
// Mailbox API -----------------------------------------------------------------

int maildir_path_canon(struct Buffer *path)
{
  mutt_path_canon(path, NeoMutt->home_dir, true);
  return 0;
}

int maildir_path_is_empty(struct Buffer *path)
{
  DIR *dir = NULL;
  struct dirent *de = NULL;
  int rc = 1; /* assume empty until we find a message */
  char realpath[PATH_MAX] = { 0 };
  int iter = 0;
 
  /* Strategy here is to look for any file not beginning with a period */
 
  do
  {
    /* we do "cur" on the first iteration since it's more likely that we'll
     * find old messages without having to scan both subdirs */
    snprintf(realpath, sizeof(realpath), "%s/%s", buf_string(path),
             (iter == 0) ? "cur" : "new");
    dir = mutt_file_opendir(realpath, MUTT_OPENDIR_CREATE);
    if (!dir)
      return -1;
    while ((de = readdir(dir)))
    {
      if (*de->d_name != '.')
      {
        rc = 0;
        break;
      }
    }
    closedir(dir);
    iter++;
  } while (rc && iter < 2);
 
  return rc;
}

enum MailboxType maildir_path_probe(const char *path, const struct stat *st)
{
  if (!st || !S_ISDIR(st->st_mode))
    return MUTT_UNKNOWN;
 
  char sub[PATH_MAX] = { 0 };
  struct stat stsub = { 0 };
  char *subs[] = { "cur", "new", "tmp" };
  for (size_t i = 0; i < countof(subs); i++)
  {
    snprintf(sub, sizeof(sub), "%s/%s", path, subs[i]);
    if ((stat(sub, &stsub) != 0) || !S_ISDIR(stsub.st_mode))
      return MUTT_UNKNOWN;
  }
 
  return MUTT_MAILDIR;
}