Built SDL2_image and _mixer static

libsdl2_mixer/external/mpg123-1.25.6/src/sysutil.c

@@ -0,0 +1,88 @@
+/*
+	sysutil: generic utilities to interact with the OS (signals, paths)
+
+	copyright ?-2014 by the mpg123 project - free software under the terms of the LGPL 2.1
+	see COPYING and AUTHORS files in distribution or http://mpg123.org
+	initially written by Michael Hipp (dissected/renamed by Thomas Orgis)
+*/
+
+#include "mpg123app.h"
+#include <sys/stat.h>
+#include "sysutil.h"
+
+#include "debug.h"
+
+#if 0
+/* removed the strndup for better portability */
+/*
+ *   Allocate space for a new string containing the first
+ *   "num" characters of "src".  The resulting string is
+ *   always zero-terminated.  Returns NULL if malloc fails.
+ */
+char *strndup (const char *src, int num)
+{
+	char *dst;
+
+	if (!(dst = (char *) malloc(num+1)))
+		return (NULL);
+	dst[num] = '\0';
+	return (strncpy(dst, src, num));
+}
+#endif
+
+
+size_t dir_length(const char *path)
+{
+	char * slashpos = strrchr(path, '/');
+	return (slashpos ? slashpos-path : 0);
+}
+
+/*
+ *   Split "path" into directory and filename components.
+ *
+ *   Return value is 0 if no directory was specified (i.e.
+ *   "path" does not contain a '/'), OR if the directory
+ *   is the same as on the previous call to this function.
+ *
+ *   Return value is 1 if a directory was specified AND it
+ *   is different from the previous one (if any).
+ */
+
+int split_dir_file (const char *path, char **dname, char **fname)
+{
+	static char *lastdir = NULL;
+	char *slashpos;
+
+	if ((slashpos = strrchr(path, '/'))) {
+		*fname = slashpos + 1;
+		*dname = compat_strdup(path); /* , 1 + slashpos - path); */
+		if(!(*dname)) {
+			perror("failed to allocate memory for dir name");
+			return 0;
+		}
+		(*dname)[1 + slashpos - path] = 0;
+		if (lastdir && !strcmp(lastdir, *dname)) {
+			/***   same as previous directory   ***/
+			free (*dname);
+			*dname = lastdir;
+			return 0;
+		}
+		else {
+			/***   different directory   ***/
+			if (lastdir)
+				free (lastdir);
+			lastdir = *dname;
+			return 1;
+		}
+	}
+	else {
+		/***   no directory specified   ***/
+		if (lastdir) {
+			free (lastdir);
+			lastdir = NULL;
+		};
+		*dname = NULL;
+		*fname = (char *)path;
+		return 0;
+	}
+}