dovecot-2.0: Added execv_const() and execvp_const() helper funct...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/ddbc6e8b2776
changeset: 10995:ddbc6e8b2776
user:      Timo Sirainen <tss at iki.fi>
date:      Sat Mar 27 01:33:33 2010 +0200
description:
Added execv_const() and execvp_const() helper functions.

diffstat:

 src/lib/Makefile.am   |   2 ++
 src/lib/execv-const.c |  20 ++++++++++++++++++++
 src/lib/execv-const.h |   9 +++++++++
 3 files changed, 31 insertions(+), 0 deletions(-)

diffs (56 lines):

diff -r c78fe7920deb -r ddbc6e8b2776 src/lib/Makefile.am
--- a/src/lib/Makefile.am	Sat Mar 27 00:35:20 2010 +0200
+++ b/src/lib/Makefile.am	Sat Mar 27 01:33:33 2010 +0200
@@ -24,6 +24,7 @@
 	data-stack.c \
 	eacces-error.c \
 	env-util.c \
+	execv-const.c \
 	failures.c \
 	fd-close-on-exec.c \
 	fd-set-nonblock.c \
@@ -131,6 +132,7 @@
 	data-stack.h \
 	eacces-error.h \
 	env-util.h \
+	execv-const.h \
 	failures.h \
 	fd-close-on-exec.h \
 	fd-set-nonblock.h \
diff -r c78fe7920deb -r ddbc6e8b2776 src/lib/execv-const.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/lib/execv-const.c	Sat Mar 27 01:33:33 2010 +0200
@@ -0,0 +1,20 @@
+/* Copyright (c) 2010 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "execv-const.h"
+
+#include <unistd.h>
+
+void execv_const(const char *path, const char *const argv[])
+{
+	(void)execv(path, (void *)argv);
+	i_fatal_status(errno == ENOMEM ? FATAL_OUTOFMEM : FATAL_EXEC,
+		       "execv(%s) failed: %m", path);
+}
+
+void execvp_const(const char *file, const char *const argv[])
+{
+	(void)execvp(file, (void *)argv);
+	i_fatal_status(errno == ENOMEM ? FATAL_OUTOFMEM : FATAL_EXEC,
+		       "execvp(%s) failed: %m", file);
+}
diff -r c78fe7920deb -r ddbc6e8b2776 src/lib/execv-const.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/lib/execv-const.h	Sat Mar 27 01:33:33 2010 +0200
@@ -0,0 +1,9 @@
+#ifndef EXECV_CONST_H
+#define EXECV_CONST_H
+
+/* Just like execv() and execvp(), except argv points to const strings.
+   Also if calling execv*() fails, these functions call i_fatal(). */
+void execv_const(const char *path, const char *const argv[]) ATTR_NORETURN;
+void execvp_const(const char *file, const char *const argv[]) ATTR_NORETURN;
+
+#endif