2 files changed, 99 insertions, 0 deletions
diff --git a/osdep/findfiles.c b/osdep/findfiles.c
new file mode 100644
index 0000000000..879f6d5c98
--- /dev/null
+++ b/osdep/findfiles.c
@@ -0,0 +1,97 @@
+/*
+ * This file is part of MPlayer.
+ *
+ * MPlayer is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MPlayer 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <dirent.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#include "talloc.h"
+
+#if defined(__MINGW32__) || defined(__CYGWIN__)
+static const char dir_separators[] = "/\\:";
+#else
+static const char dir_separators[] = "/";
+#endif
+
+char **find_files(const char *original_file, const char *suffix,
+                  int *num_results_ptr)
+{
+    void *tmpmem = talloc_new(NULL);
+    char *fname = talloc_strdup(tmpmem, original_file);
+    char *basename = NULL;
+    char *next = fname;
+    while (1) {
+        next = strpbrk(next, dir_separators);
+        if (!next)
+            break;
+        basename = next++;
+    }
+    char *directory;
+    if (basename) {
+        directory = fname;
+        *basename++ = 0;
+    } else {
+        directory = ".";
+        basename = fname;
+    }
+
+
+    char **results = talloc_size(NULL, 0);
+    DIR *dp = opendir(directory);
+    struct dirent *ep;
+    char ***names_by_matchlen = talloc_array(tmpmem, char **,
+                                             strlen(basename) + 1);
+    memset(names_by_matchlen, 0, talloc_get_size(names_by_matchlen));
+    int num_results = 0;
+    while ((ep = readdir(dp))) {
+        int suffix_offset = strlen(ep->d_name) - strlen(suffix);
+        // name must end with suffix
+        if (suffix_offset < 0 || strcmp(ep->d_name + suffix_offset, suffix))
+            continue;
+        // don't list the original name
+        if (!strcmp(ep->d_name, basename))
+            continue;
+
+        char *name = talloc_asprintf(results, "%s/%s", directory, ep->d_name);
+        char *s1 = ep->d_name;
+        char *s2 = basename;
+        int matchlen = 0;
+        while (*s1 && *s1++ == *s2++)
+            matchlen++;
+        int oldcount = talloc_get_size(names_by_matchlen[matchlen]) /
+            sizeof(char **);
+        names_by_matchlen[matchlen] = talloc_realloc(names_by_matchlen,
+                                                  names_by_matchlen[matchlen],
+                                                  char *, oldcount + 1);
+        names_by_matchlen[matchlen][oldcount] = name;
+        num_results++;
+    }
+    closedir(dp);
+    results = talloc_realloc(NULL, results, char *, num_results);
+    char **resptr = results;
+    for (int i = strlen(basename); i >= 0; i--) {
+        char **p = names_by_matchlen[i];
+        for (int j = 0; j < talloc_get_size(p) / sizeof(char *); j++)
+            *resptr++ = p[j];
+    }
+    assert(resptr == results + num_results);
+    talloc_free(tmpmem);
+    *num_results_ptr = num_results;
+    return results;
+}
diff --git a/osdep/findfiles.h b/osdep/findfiles.h
new file mode 100644
index 0000000000..97443e7319
--- /dev/null
+++ b/osdep/findfiles.h
@@ -0,0 +1,2 @@
+char **find_files(const char *original_file, const char *suffix,
+                  int *num_results_ptr);