void close_many(const int fds[], unsigned n_fd) {
unsigned i;
+ assert(fds || n_fd <= 0);
+
for (i = 0; i < n_fd; i++)
close_nointr_nofail(fds[i]);
}
return 0;
}
-int get_shell(char **_sh) {
- char *sh;
- const char *e;
- uid_t u;
- struct passwd *p;
-
- assert(_sh);
-
- /* Take the user specified one */
- e = getenv("SHELL");
- if (e) {
- sh = strdup(e);
- if (!sh)
- return -ENOMEM;
-
- *_sh = sh;
- return 0;
- }
-
- /* Hardcode home directory for root to avoid NSS */
- u = getuid();
- if (u == 0) {
- sh = strdup("/bin/sh");
- if (!sh)
- return -ENOMEM;
-
- *_sh = sh;
- return 0;
- }
-
- /* Check the database... */
- errno = 0;
- p = getpwuid(u);
- if (!p)
- return errno ? -errno : -ESRCH;
-
- if (!path_is_absolute(p->pw_shell))
- return -EINVAL;
-
- sh = strdup(p->pw_shell);
- if (!sh)
- return -ENOMEM;
-
- *_sh = sh;
- return 0;
-}
-
void fclosep(FILE **f) {
if (*f)
fclose(*f);