1 files changed, 72 insertions, 0 deletions
diff --git a/alsa-lib/src/userfile.c b/alsa-lib/src/userfile.c
new file mode 100644
index 0000000..3a73836
--- /dev/null
+++ b/alsa-lib/src/userfile.c
@@ -0,0 +1,72 @@
+/*
+ *  Get full filename
+ *  Copyright (c) 2003 by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This library is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as
+ *   published by the Free Software Foundation; either version 2.1 of
+ *   the License, or (at your option) any later version.
+ *
+ *   This program 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 Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public
+ *   License along with this library; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+  
+#include <config.h>
+#include <string.h>
+#include <errno.h>
+
+/**
+ * \brief Get the full file name
+ * \param file The file name string to parse
+ * \param result The pointer to store the resultant file name
+ * \return 0 if successful, or a negative error code
+ *
+ * Parses the given file name with POSIX-Shell-like expansion and
+ * stores the first matchine one.  The returned string is strdup'ed.
+ */
+
+#ifdef HAVE_WORDEXP_H
+#include <wordexp.h>
+#include <assert.h>
+int snd_user_file(const char *file, char **result)
+{
+	wordexp_t we;
+	int err;
+	
+	assert(file && result);
+	err = wordexp(file, &we, WRDE_NOCMD);
+	switch (err) {
+	case WRDE_NOSPACE:
+		return -ENOMEM;
+	case 0:
+		if (we.we_wordc == 1)
+			break;
+		/* fall thru */
+	default:
+		wordfree(&we);
+		return -EINVAL;
+	}
+	*result = strdup(we.we_wordv[0]);
+	if (*result == NULL)
+		return -ENOMEM;
+	wordfree(&we);
+	return 0;
+}
+
+#else /* !HAVE_WORDEXP_H */
+/* just copy the string - would be nicer to expand by ourselves, though... */
+int snd_user_file(const char *file, char **result)
+{
+	*result = strdup(file);
+	if (! *result)
+		return -ENOMEM;
+	return 0;
+}
+#endif /* HAVE_WORDEXP_H */