Move av_tempfile() to libxvidff.c as only the xvid wrapper needs it

Originally committed as revision 24074 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/libxvidff.c

@@ -25,11 +25,17 @@
  * @author Adam Thayer (krevnik@comcast.net)
  */
 
+/* needed for mkstemp() */
+#define _XOPEN_SOURCE 600
+
 #include <xvid.h>
 #include <unistd.h>
 #include "avcodec.h"
 #include "libavutil/intreadwrite.h"
 #include "libxvid_internal.h"
+#if !HAVE_MKSTEMP
+#include <fcntl.h>
+#endif
 
 /**
  * Buffer management macros.
@@ -764,6 +770,42 @@ int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2) {
     }
 }
 
+/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
+ * Also, tries to create file in /tmp first, if possible.
+ * *prefix can be a character constant; *filename will be allocated internally.
+ * @return file descriptor of opened file (or -1 on error)
+ * and opened file name in **filename. */
+int av_tempfile(char *prefix, char **filename) {
+    int fd=-1;
+#if !HAVE_MKSTEMP
+    *filename = tempnam(".", prefix);
+#else
+    size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
+    *filename = av_malloc(len);
+#endif
+    /* -----common section-----*/
+    if (*filename == NULL) {
+        av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
+        return -1;
+    }
+#if !HAVE_MKSTEMP
+    fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
+#else
+    snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
+    fd = mkstemp(*filename);
+    if (fd < 0) {
+        snprintf(*filename, len, "./%sXXXXXX", prefix);
+        fd = mkstemp(*filename);
+    }
+#endif
+    /* -----common section-----*/
+    if (fd < 0) {
+        av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
+        return -1;
+    }
+    return fd; /* success */
+}
+
 /**
  * Xvid codec definition for libavcodec.
  */

libavcodec/utils.c

@@ -25,9 +25,6 @@
  * utils.
  */
 
-/* needed for mkstemp() */
-#define _XOPEN_SOURCE 600
-
 #include "libavutil/avstring.h"
 #include "libavutil/integer.h"
 #include "libavutil/crc.h"
@@ -37,15 +34,11 @@
 #include "opt.h"
 #include "imgconvert.h"
 #include "audioconvert.h"
-#include "libxvid_internal.h"
 #include "internal.h"
 #include <stdlib.h>
 #include <stdarg.h>
 #include <limits.h>
 #include <float.h>
-#if !HAVE_MKSTEMP
-#include <fcntl.h>
-#endif
 
 static int volatile entangled_thread_counter=0;
 int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op);
@@ -1072,42 +1065,6 @@ unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
     return n;
 }
 
-/* Wrapper to work around the lack of mkstemp() on mingw/cygin.
- * Also, tries to create file in /tmp first, if possible.
- * *prefix can be a character constant; *filename will be allocated internally.
- * @return file descriptor of opened file (or -1 on error)
- * and opened file name in **filename. */
-int av_tempfile(char *prefix, char **filename) {
-    int fd=-1;
-#if !HAVE_MKSTEMP
-    *filename = tempnam(".", prefix);
-#else
-    size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
-    *filename = av_malloc(len);
-#endif
-    /* -----common section-----*/
-    if (*filename == NULL) {
-        av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
-        return -1;
-    }
-#if !HAVE_MKSTEMP
-    fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);
-#else
-    snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
-    fd = mkstemp(*filename);
-    if (fd < 0) {
-        snprintf(*filename, len, "./%sXXXXXX", prefix);
-        fd = mkstemp(*filename);
-    }
-#endif
-    /* -----common section-----*/
-    if (fd < 0) {
-        av_log(NULL, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
-        return -1;
-    }
-    return fd; /* success */
-}
-
 typedef struct {
     const char *abbr;
     int width, height;