X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fdebug.c;h=b1fa1f067ff2a14d65e9071edf4b4a7acf361d4b;hb=2d115056d3d847e524dead44e9ff255a3cf8127e;hp=7b76a94969871df918ab6723341c2c4353ed9d57;hpb=96a1c2406db4ac79335a7f6e6d61d80d985df76e;p=mesa.git

diff --git a/src/mesa/main/debug.c b/src/mesa/main/debug.c
index 7b76a949698..b1fa1f067ff 100644
--- a/src/mesa/main/debug.c
+++ b/src/mesa/main/debug.c
@@ -24,6 +24,7 @@
  */
 
 #include <stdio.h>
+#include "errors.h"
 #include "mtypes.h"
 #include "attrib.h"
 #include "enums.h"
@@ -235,6 +236,11 @@ write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
       fprintf(f,"255\n");
       fclose(f);
       f = fopen( filename, "ab" );  /* reopen in binary append mode */
+      if (!f) {
+         fprintf(stderr, "Error while reopening %s in write_ppm()\n",
+                 filename);
+         return;
+      }
       for (y=0; y < height; y++) {
          for (x = 0; x < width; x++) {
             int yy = invert ? (height - 1 - y) : y;