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#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include "nls.h"
#include "c.h"
#include "xalloc.h"
#include "exec_shell.h"
#define DEFAULT_SHELL "/bin/sh"
void __attribute__((__noreturn__)) exec_shell(void) {
const char *shell = getenv("SHELL"), *shell_basename;
char *arg0;
if (!shell)
shell = DEFAULT_SHELL;
shell_basename = basename(shell);
arg0 = xmalloc(strlen(shell_basename) + 2);
arg0[0] = '-';
strcpy(arg0 + 1, shell_basename);
execl(shell, arg0, NULL);
err(EXIT_FAILURE, _("failed to execute %s"), shell);
}
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