ref: 29b6ad33305dc4a69940d6f636d6f129931cf9f1
parent: 55104888794793069cc60b2d00d46a530f1c1cbe
author: BurnZeZ <devnull@localhost>
date: Thu Nov 21 11:44:41 EST 2019
grep: error if sbrk fails
--- a/sys/src/cmd/grep/sub.c
+++ b/sys/src/cmd/grep/sub.c
@@ -11,10 +11,14 @@
if(m < n) {
if(n > Nhunk) {
v = sbrk(n);
+ if(v == (void*)-1)
+ error("sbrk");
memset(v, 0, n);
return v;
}
s = sbrk(Nhunk);
+ if(s == (void*)-1)
+ error("sbrk");
m = Nhunk;
}
v = s;