#endif
}
+int av_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx) {
+ FileLogContext file_log_ctx = { &file_log_ctx_class, log_offset, log_ctx };
+ int fd=-1;
+#if !HAVE_MKSTEMP
+ void *ptr= tempnam(NULL, prefix);
+ if(!ptr)
+ ptr= tempnam(".", prefix);
+ *filename = av_strdup(ptr);
+#undef free
+ free(ptr);
+#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(&file_log_ctx, AV_LOG_ERROR, "ff_tempfile: Cannot allocate file name\n");
+ return AVERROR(ENOMEM);
+ }
+#if !HAVE_MKSTEMP
+# ifndef O_BINARY
+# define O_BINARY 0
+# endif
+# ifndef O_EXCL
+# define O_EXCL 0
+# endif
+ fd = open(*filename, O_RDWR | O_BINARY | O_CREAT | O_EXCL, 0600);
+#else
+ snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);
+ fd = mkstemp(*filename);
+#ifdef _WIN32
+ if (fd < 0) {
+ snprintf(*filename, len, "./%sXXXXXX", prefix);
+ fd = mkstemp(*filename);
+ }
+#endif
+#endif
+ /* -----common section-----*/
+ if (fd < 0) {
+ int err = AVERROR(errno);
+ av_log(&file_log_ctx, AV_LOG_ERROR, "ff_tempfile: Cannot open temporary file %s\n", *filename);
+ return err;
+ }
+ return fd; /* success */
+}
+
#ifdef TEST
#undef printf