Function getFilenamesInDirectory

deps/leptonica/src/sarray1.c:1857–1908

#ifndef _WIN32

SARRAY *
getFilenamesInDirectory(const char  *dirname)
{
char            dir[PATH_MAX + 1];
char           *realdir, *stat_path, *ignore;
size_t          size;
SARRAY         *safiles;
DIR            *pdir;
struct dirent  *pdirentry;
int             dfd, stat_ret;
struct stat     st;

    PROCNAME("getFilenamesInDirectory");

    if (!dirname)
        return (SARRAY *)ERROR_PTR("dirname not defined", procName, NULL);

        /* It's nice to ignore directories.  fstatat() works with relative
           directory paths, but stat() requires using the absolute path.
           Also, do not pass NULL as the second parameter to realpath();
           use a buffer of sufficient size. */
    ignore = realpath(dirname, dir);  /* see note above */
    realdir = genPathname(dir, NULL);
    if ((pdir = opendir(realdir)) == NULL) {
        LEPT_FREE(realdir);
        return (SARRAY *)ERROR_PTR("pdir not opened", procName, NULL);
    }
    safiles = sarrayCreate(0);
    dfd = dirfd(pdir);
    while ((pdirentry = readdir(pdir))) {
#if HAVE_FSTATAT
        stat_ret = fstatat(dfd, pdirentry->d_name, &st, 0);
#else
        size = strlen(realdir) + strlen(pdirentry->d_name) + 2;
        if (size > PATH_MAX) {
            L_ERROR("size = %lu too large; skipping\n", procName,
                    (unsigned long)size);
            continue;
        }
        stat_path = (char *)LEPT_CALLOC(size, 1);
        snprintf(stat_path, size, "%s/%s", realdir, pdirentry->d_name);
        stat_ret = stat(stat_path, &st);
        LEPT_FREE(stat_path);
#endif
        if (stat_ret == 0 && S_ISDIR(st.st_mode))
            continue;
        sarrayAddString(safiles, pdirentry->d_name, L_COPY);
    }
    closedir(pdir);
    LEPT_FREE(realdir);
    return safiles;
}

#else  /* _WIN32 */