scc

commit 8146aa7b30d3c4955c4066203b9dc1bf06d4225b
parent 2f447b6852197777c05333923299ae10def18c32
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri, 24 Nov 2017 20:51:32 +0100

[nm] Add explicit check in ftell()

Ftell() can return -1 if the current position cannot be represented
in a long.

Diffstat:
M
nm/main.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/nm/main.c b/nm/main.c
@@ -118,7 +118,7 @@ ar(char *fname, FILE *fp)
 
 	while (rdarhdr(fp, &hdr) != EOF) {
 		pos = ftell(fp);
-		if (pos > LONG_MAX - hdr.size) {
+		if (pos == -1 || pos > LONG_MAX - hdr.size) {
 			fprintf(stderr,
 			        "nm: %s: overflow in size of archive\n",
 			        fname);