tput: check sbrk return value

2015-08-25 03:06:36 -07:00 · 2015-08-25 03:06:36 -07:00 · 2dec35524e
parent a284b57091
commit 2dec35524e
1 changed files with 2 additions and 0 deletions
--- a/sys/src/cmd/tput.c
+++ b/sys/src/cmd/tput.c
@ -36,6 +36,8 @@ main(int argc, char **argv)
 	bc = 0;
 	sec = 0;
 	buf = sbrk(buflen);
+	if(buf == (void*)-1)
+		sysfatal("out of memory");
 	cpid = rfork(RFPROC | RFMEM);
 	if(cpid == 0) {
 		while(1) {