src/lib/execv-const.c

	execv-const.c revision a185a2e25da270264b22c2a0a758c5ea513ef960
/* Copyright (c) 2010 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);
}