gstreamer/subprojects/gst-plugins-good/gst/multifile/gstsplitutils.c

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/* GStreamer Split Source Utility Functions
* Copyright (C) 2011 Collabora Ltd. <tim.muller@collabora.co.uk>
* Copyright (C) 2014 Jan Schmidt <jan@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
#include "gstsplitutils.h"
#include "patternspec.h"
static int
gst_split_util_array_sortfunc (gchar ** a, gchar ** b)
{
return strcmp (*a, *b);
}
gchar **
gst_split_util_find_files (const gchar * dirname,
const gchar * basename, GError ** err)
{
PatternSpec *pspec;
GPtrArray *files;
const gchar *name;
GDir *dir;
if (dirname == NULL || basename == NULL)
goto invalid_location;
GST_INFO ("checking in directory '%s' for pattern '%s'", dirname, basename);
dir = g_dir_open (dirname, 0, err);
if (dir == NULL)
return NULL;
if (DEFAULT_PATTERN_MATCH_MODE == MATCH_MODE_UTF8 &&
!g_utf8_validate (basename, -1, NULL)) {
goto not_utf8;
}
/* mode will be AUTO on linux/unix and UTF8 on win32 */
pspec = pattern_spec_new (basename, DEFAULT_PATTERN_MATCH_MODE);
files = g_ptr_array_new ();
while ((name = g_dir_read_name (dir))) {
GST_TRACE ("check: %s", name);
if (pattern_match_string (pspec, name)) {
GST_DEBUG ("match: %s", name);
g_ptr_array_add (files, g_build_filename (dirname, name, NULL));
}
}
if (files->len == 0)
goto no_matches;
g_ptr_array_sort (files, (GCompareFunc) gst_split_util_array_sortfunc);
g_ptr_array_add (files, NULL);
pattern_spec_free (pspec);
g_dir_close (dir);
return (gchar **) g_ptr_array_free (files, FALSE);
/* ERRORS */
invalid_location:
{
g_set_error_literal (err, G_FILE_ERROR, G_FILE_ERROR_INVAL,
"No filename specified.");
return NULL;
}
not_utf8:
{
g_dir_close (dir);
g_set_error_literal (err, G_FILE_ERROR, G_FILE_ERROR_INVAL,
"Filename pattern must be UTF-8 on Windows.");
return NULL;
}
no_matches:
{
pattern_spec_free (pspec);
g_dir_close (dir);
g_set_error_literal (err, G_FILE_ERROR, G_FILE_ERROR_NOENT,
"Found no files matching the pattern.");
return NULL;
}
}