strntoul() was returning a pointer into alloca()'s memory

CVS patchset: 2051
CVS date: 1998/03/27 17:23:20

1 files changed, 8 insertions, 1 deletions

diff --git a/lib/cpio.c b/lib/cpio.c
index 7b5c856bc..c3069ab3c 100644
--- a/lib/cpio.c
+++ b/lib/cpio.c
@@ -123,12 +123,19 @@ static inline int padoutfd(int fd, size_t * where, int modulo) {
 }
 
 static int strntoul(const char * str, char ** endptr, int base, int num) {
-    char * buf;
+    char * buf, * end;
+    unsigned long return;
 
     buf = alloca(num + 1);
     strncpy(buf, str, num);
     buf[num] = '\0';
 
+    ret = strtoul(buf, &end, base);
+    if (*end)
+	*endptr = str + (end - buf);
+    else
+	*endptr = "";
+
     return strtoul(buf, endptr, base);
 }