liminix

commit 6971d03520a4ebd3c33f3da6f01438608e3d560d
parent 7bc9cb6c55c9e6393139d685609d6cc38ac4d02c
Author: Daniel Barlow <dan@telent.net>
Date:   Sun,  7 Jan 2024 21:24:16 +0000

preinit: check return from write()

Diffstat:
M
pkgs/preinit/parseopts.c
 | 
7
++++---

1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/pkgs/preinit/parseopts.c b/pkgs/preinit/parseopts.c
@@ -36,9 +36,10 @@ char * pr_u32(int32_t input) {
     i+=2;
 
     buf[i] ='\0';
-    write(2, buf, i);
-
-    return buf;
+    if(write(2, buf, i))
+	return buf;
+    else
+	return NULL;
 }