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$NetBSD: patch-al,v 1.3 1999/02/13 09:05:02 rh Exp $
--- src/realpath.c.orig Mon Jul 6 11:14:39 1998
+++ src/realpath.c Sat Feb 13 07:47:55 1999
@@ -143,7 +143,13 @@
continue;
if ((last == namebuf) || (*--last != '/'))
strcat(namebuf, "/");
+ if (strlen(namebuf)+strlen(where) < sizeof(namebuf)) {
strcat(namebuf, where);
+ } else {
+ /* path too long: bail out */
+ strcpy(result, "\0");
+ return (NULL);
+ }
where = ++ptr;
if (lstat(namebuf, &sbuf) == -1) {
@@ -164,7 +170,13 @@
*workpath = '\0';
if (*where) {
strcat(linkpath, "/");
+ if (strlen(linkpath) + strlen(where) < sizeof(linkpath)) {
strcat(linkpath, where);
+ } else {
+ /* path too long: bail out */
+ strcpy(result, "\0");
+ return (NULL);
+ }
}
strcpy(curpath, linkpath);
goto loop;
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