Allow command-line argument to fuzzy matcher for output file.

third_party/fuzzymatch/fuzzymatch.c

Index: third_party/fuzzymatch/fuzzymatch.c
diff --git a/third_party/fuzzymatch/fuzzymatch.c b/third_party/fuzzymatch/fuzzymatch.c
index 889fc870b4f5f9db39d1587ed397c2a876f4f86f..572940fcefd6ff15939361473b5481aa433e4608 100644
--- a/third_party/fuzzymatch/fuzzymatch.c
+++ b/third_party/fuzzymatch/fuzzymatch.c
@@ -53,6 +53,7 @@
 static int
 usage(const char *argv0) {
   fprintf(stderr, "Usage: %s [--highlight] [--no-ignore-scrollbars] "
+                  "[--output filename] "
                   "<input a> <input b>\n", argv0);
   return 1;
 }
@@ -64,6 +65,7 @@ main(int argc, char **argv) {
 
   char highlight = 0;
   char ignore_scrollbars = 1;
+  char *output_filename = "highlight.png";  /* Default output filename. */

[agl, 2008/12/17 03:18:58]

const

 
   int argi = 1;
 
@@ -72,6 +74,8 @@ main(int argc, char **argv) {
       highlight = 1;
     } else if (strcmp("--no-ignore-scrollbars", argv[argi]) == 0) {
       ignore_scrollbars = 0;
+    } else if (strcmp("--output", argv[argi]) == 0) {
+      output_filename = argv[++argi];

[agl, 2008/12/17 03:18:58]

if (argi + 1 >= argc) {
  fprintf(stderr, "--output..."..

     } else {
       break;
     }
@@ -142,7 +146,7 @@ main(int argc, char **argv) {
     pixInvert(d2, d2);
     pixAnd(d1, d1, d2);
     pixPaintThroughMask(a, d1, 0, 0, 0xff << 24);
-    pixWrite("highlight.png", a, IFF_PNG);
+    pixWrite(output_filename, a, IFF_PNG);
   }
 
   return count > 0;