added two pass support and device filters to gfx library

[swftools.git] / lib / os.c

diff --git a/lib/os.c b/lib/os.c
index fddaee9..dacd580 100755 (executable)
--- a/lib/os.c
+++ b/lib/os.c
@@ -274,3 +274,33 @@ void memfile_close(memfile_t*file)
     free(file);
 }
 
+void move_file(const char*from, const char*to)
+{
+    int result = rename(from, to);
+
+    if(result==0) return; //done!
+
+    /* if we can't rename, for some reason, copy the file
+       manually */
+    FILE*fi = fopen(from, "rb");
+    if(!fi) {
+       perror(from);
+       return;
+    }
+    FILE*fo = fopen(to, "wb");
+    if(!fo) {
+       perror(to);
+       return;
+    }
+    char buffer[16384];
+    while(1) {
+       int bytes = fread(buffer, 16384, 1, fi);
+       if(bytes<=0)
+           return;
+       fwrite(buffer, bytes, 1, to);
+    }
+
+    fclose(fo);
+    fclose(fi);
+}
+