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Diffstat (limited to 'qemu/roms/openbios/utils/devbios/comp.c')
-rw-r--r--qemu/roms/openbios/utils/devbios/comp.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/qemu/roms/openbios/utils/devbios/comp.c b/qemu/roms/openbios/utils/devbios/comp.c
new file mode 100644
index 000000000..9d2acb147
--- /dev/null
+++ b/qemu/roms/openbios/utils/devbios/comp.c
@@ -0,0 +1,47 @@
+/* Simple utility to compare 2 files.
+ * Diff or cmp are not sufficient, when
+ * comparing bioses :-)
+ *
+ * Copyright (c) 1998-2000 by Stefan Reinauer
+ */
+
+
+#include <stdio.h>
+
+int main (int argc, char *argv[])
+{
+ FILE *eins,*zwei;
+ int a,b,i=0,flag=0;
+
+ if(argv[1]==NULL||argv[2]==NULL) {
+ printf ("Usage: %s file1 file2\n %s compares two files.\n",argv[0],argv[0]);
+ return 0;
+ }
+ eins=fopen(argv[1],"r");
+ zwei=fopen(argv[2],"r");
+
+ if (eins==NULL) {
+ printf ("File %s not found or unreadable.\n",argv[1]);
+ return 0;
+ }
+ if (zwei==NULL) {
+ printf ("File %s not found or unreadable.\n",argv[2]);
+ fclose (eins);
+ return 0;
+ }
+
+ while (!feof(eins)) {
+ a=fgetc(eins);
+ b=fgetc(zwei);
+ if (flag==0 && (a==-1||b==-1) && (a!=-1||b!=-1)) {
+ printf ("One file ended. Printing the rest of the other.\n");
+ flag=1;
+ }
+ if(a!=b) printf ("0x%06x: 0x%02x -> 0x%02x\n",i,a,b);
+ i++;
+ }
+
+ fclose(eins);
+ fclose(zwei);
+ return 0;
+}