+
+int mutt_atos (const char *str, short *dst)
+{
+ int rc;
+ long res;
+ short tmp;
+ short *t = dst ? dst : &tmp;
+
+ *t = 0;
+
+ if ((rc = mutt_atol (str, &res)) < 0)
+ return rc;
+ if ((short) res != res)
+ return -2;
+
+ *t = (short) res;
+ return 0;
+}
+
+int mutt_atoi (const char *str, int *dst)
+{
+ int rc;
+ long res;
+ int tmp;
+ int *t = dst ? dst : &tmp;
+
+ *t = 0;
+
+ if ((rc = mutt_atol (str, &res)) < 0)
+ return rc;
+ if ((int) res != res)
+ return -2;
+
+ *t = (int) res;
+ return 0;
+}
+
+int mutt_atol (const char *str, long *dst)
+{
+ long r;
+ long *res = dst ? dst : &r;
+ char *e = NULL;
+
+ /* no input: 0 */
+ if (!str || !*str)
+ {
+ *res = 0;
+ return 0;
+ }
+
+ *res = strtol (str, &e, 10);
+ if (e && *e != '\0')
+ return -1;
+ return 0;
+}