Module Name: src
Committed By: christos
Date: Fri Dec 23 19:37:06 UTC 2022
Modified Files:
src/usr.sbin/tprof: tprof_top.c
Log Message:
use malloc instead of alloca so that SSP works.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/usr.sbin/tprof/tprof_top.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.sbin/tprof/tprof_top.c
diff -u src/usr.sbin/tprof/tprof_top.c:1.7 src/usr.sbin/tprof/tprof_top.c:1.8
--- src/usr.sbin/tprof/tprof_top.c:1.7 Fri Dec 16 03:02:04 2022
+++ src/usr.sbin/tprof/tprof_top.c Fri Dec 23 14:37:06 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: tprof_top.c,v 1.7 2022/12/16 08:02:04 ryo Exp $ */
+/* $NetBSD: tprof_top.c,v 1.8 2022/12/23 19:37:06 christos Exp $ */
/*-
* Copyright (c) 2022 Ryo Shimizu <r...@nerv.org>
@@ -28,7 +28,7 @@
#include <sys/cdefs.h>
#ifndef lint
-__RCSID("$NetBSD: tprof_top.c,v 1.7 2022/12/16 08:02:04 ryo Exp $");
+__RCSID("$NetBSD: tprof_top.c,v 1.8 2022/12/23 19:37:06 christos Exp $");
#endif /* not lint */
#include <sys/param.h>
@@ -194,7 +194,9 @@ lim_printf(int *lim, const char *fmt, ..
if (*lim <= 0)
return 0;
- p = alloca(*lim + 1);
+ p = malloc(*lim + 1);
+ if (p == NULL)
+ return -1;
va_start(ap, fmt);
vsnprintf(p, *lim + 1, fmt, ap);
@@ -202,6 +204,7 @@ lim_printf(int *lim, const char *fmt, ..
written = strlen(p);
if (written == 0) {
+ free(p);
*lim = 0;
return 0;
}
@@ -209,6 +212,7 @@ lim_printf(int *lim, const char *fmt, ..
fwrite(p, written, 1, stdout);
*lim -= written;
+ free(p);
return written;
}
