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$NetBSD: patch-aa,v 1.1.1.1 2001/03/22 10:04:36 agc Exp $
Don't overwrite read-only strings, so they can be placed in the text
segment by a decent optimising compiler.
--- idiff.c 2001/03/19 13:19:52 1.1
+++ idiff.c 2001/03/19 13:27:03
@@ -1,5 +1,7 @@
/* idiff: interactive diff */
+#include <sys/param.h>
+
#include <stdio.h>
#include <ctype.h>
char *progname;
@@ -11,6 +13,7 @@
{
FILE *fin, *fout, *f1, *f2, *efopen();
char buf[BUFSIZ], *mktemp();
+ char realdiffname[MAXPATHLEN];
char *diffout = "idiff.XXXXXX";
progname = argv[0];
@@ -21,6 +24,8 @@
f1 = efopen(argv[1], "r");
f2 = efopen(argv[2], "r");
fout = efopen("idiff.out", "w");
+ (void) strcpy(realdiffname, diffout);
+ diffout = realdiffname;
mktemp(diffout);
sprintf(buf,"diff %s %s >%s",argv[1],argv[2],diffout);
system(buf);
@@ -34,11 +39,14 @@
idiff(f1, f2, fin, fout) /* process diffs */
FILE *f1, *f2, *fin, *fout;
{
+ char realtempfile[MAXPATHLEN];
char *tempfile = "idiff.XXXXXX";
char buf[BUFSIZ], buf2[BUFSIZ], *mktemp();
FILE *ft, *efopen();
int cmd, n, from1, to1, from2, to2, nf1, nf2;
+ (void) strcpy(realtempfile, tempfile);
+ tempfile = realtempfile;
mktemp(tempfile);
nf1 = nf2 = 0;
while (fgets(buf, sizeof buf, fin) != NULL) {
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