next: fix mmap error detection

8 years ago · de84495a55
parent 00b0e23f1f
commit de84495a55
1 changed files with 1 additions and 1 deletions
--- a/next.c
+++ b/next.c
@ -20,7 +20,7 @@ main(int argc, char *argv[])

 	fstat(fd, &st);
 	char *map = mmap(0, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
-	if (!map)
+	if (map = MAP_FAILED)
 		exit(102);

 	char *s;