Adding upstream version 1:2.3.21+dfsg1.upstream/1%2.3.21+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/src/lib/execv-const.c b/src/lib/execv-const.c
new file mode 100644
index 0000000..d9bda82
--- /dev/null
+++ b/src/lib/execv-const.c
@@ -0,0 +1,33 @@
+/* Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "execv-const.h"
+
+#include <unistd.h>
+
+static char **argv_drop_const(const char *const argv[])
+{
+	char **ret;
+	unsigned int i, count;
+
+	for (count = 0; argv[count] != NULL; count++) ;
+
+	ret = t_new(char *, count + 1);
+	for (i = 0; i < count; i++)
+		ret[i] = t_strdup_noconst(argv[i]);
+	return ret;
+}
+
+void execv_const(const char *path, const char *const argv[])
+{
+	(void)execv(path, argv_drop_const(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, argv_drop_const(argv));
+	i_fatal_status(errno == ENOMEM ? FATAL_OUTOFMEM : FATAL_EXEC,
+		       "execvp(%s) failed: %m", file);
+}