[src/trunk]: src/lib/libutil Use asprintf(3), as suggested by Simon Burge.

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/405ff023221c
branches:  trunk
changeset: 473518:405ff023221c
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sun Jun 06 17:31:09 1999 +0000

description:
Use asprintf(3), as suggested by Simon Burge.

diffstat:

 lib/libutil/pidfile.c |  14 ++++++--------
 1 files changed, 6 insertions(+), 8 deletions(-)

diffs (48 lines):

diff -r ef6ce02ebfa8 -r 405ff023221c lib/libutil/pidfile.c
--- a/lib/libutil/pidfile.c     Sun Jun 06 17:30:37 1999 +0000
+++ b/lib/libutil/pidfile.c     Sun Jun 06 17:31:09 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pidfile.c,v 1.1 1999/06/06 01:50:00 thorpej Exp $      */
+/*     $NetBSD: pidfile.c,v 1.2 1999/06/06 17:31:09 thorpej Exp $      */
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: pidfile.c,v 1.1 1999/06/06 01:50:00 thorpej Exp $");
+__RCSID("$NetBSD: pidfile.c,v 1.2 1999/06/06 17:31:09 thorpej Exp $");
 #endif
 
 #include <sys/param.h>
@@ -48,7 +48,6 @@
 #include <unistd.h>
 #include <util.h>
 
-static char pidfile_path_store[MAXPATHLEN];
 static char *pidfile_path;
 
 static void pidfile_cleanup __P((void));
@@ -68,17 +67,16 @@
                basename = __progname;
 
        /* _PATH_VARRUN includes trailing / */
-       (void) snprintf(pidfile_path_store, sizeof(pidfile_path_store),
-           "%s%s.pid", _PATH_VARRUN, basename);
+       (void) asprintf(&pidfile_path, "%s%s.pid", _PATH_VARRUN, basename);
+       if (pidfile_path == NULL)
+               return;
 
-       if ((f = fopen(pidfile_path_store, "w")) == NULL)
+       if ((f = fopen(pidfile_path, "w")) == NULL)
                return;
 
        (void) fprintf(f, "%d\n", getpid());
        (void) fclose(f);
 
-       pidfile_path = pidfile_path_store;
-
        (void) atexit(pidfile_cleanup);
 }