[src/trunk]: src/usr.sbin/pkg_install/lib Fix error in memory handling.

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

details:   https://anonhg.NetBSD.org/src/rev/7d1e7a2c7e3b
branches:  trunk
changeset: 550921:7d1e7a2c7e3b
user:      tron <tron%NetBSD.org@localhost>
date:      Mon Aug 25 10:52:23 2003 +0000

description:
Fix error in memory handling.

diffstat:

 usr.sbin/pkg_install/lib/fexec.c |  15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diffs (47 lines):

diff -r 0773159cdc4d -r 7d1e7a2c7e3b usr.sbin/pkg_install/lib/fexec.c
--- a/usr.sbin/pkg_install/lib/fexec.c  Mon Aug 25 10:35:28 2003 +0000
+++ b/usr.sbin/pkg_install/lib/fexec.c  Mon Aug 25 10:52:23 2003 +0000
@@ -47,7 +47,7 @@
 #include "lib.h"
 
 #ifndef lint
-__RCSID("$NetBSD: fexec.c,v 1.2 2003/08/25 10:23:42 tron Exp $");
+__RCSID("$NetBSD: fexec.c,v 1.3 2003/08/25 10:52:23 tron Exp $");
 #endif
 
 static int     vfcexec(const char *, const char *, va_list);
@@ -55,10 +55,11 @@
 static int
 vfcexec(const char *path, const char *arg, va_list ap)
 {
-       static int              max = 4;
+       static unsigned int     max = 4;
        static const char       **argv = NULL;
-       int                     argc, status;
+       unsigned int            argc;
        pid_t                   child;
+       int                     status;
 
        if (argv == NULL) {
                argv = malloc(max * sizeof(const char *));
@@ -73,15 +74,17 @@
 
        do {
                if (argc == max) {
-                       const char **ptr;
+                       unsigned int    new;
+                       const char      **ptr;
 
-                       max <<= 1;
-                       ptr = realloc(argv, max * sizeof(const char *));
+                       new = max * 2;
+                       ptr = realloc(argv, new * sizeof(const char *));
                        if (ptr == NULL) {
                                warnx("vfcexec can't alloc arg space");
                                return -1;
                        }
                        argv = ptr;
+                       max = new;
                }
                arg = va_arg(ap, const char *);
                argv[argc++] = arg;