src/ros_parse.[ch]: Added functions to parse the uptime string into seconds.

diff --git a/src/ros_parse.c b/src/ros_parse.c
index b9d7e99..95126ef 100644 (file)
--- a/src/ros_parse.c
+++ b/src/ros_parse.c
@@ -145,4 +145,33 @@ int sstrto_rx_tx_counters (const char *str, /* {{{ */
        return (0);
 } /* }}} int sstrto_rx_tx_counters */
 
+/* have_hour is initially set to false and later set to true when the first
+ * colon is found. It is used to determine whether the number before the colon
+ * is hours or minutes. External code should use the sstrtodate() macro. */
+uint64_t _sstrtodate (const char *str, _Bool have_hour) /* {{{ */
+{
+       uint64_t ret;
+       char *endptr;
+
+       if ((str == NULL) || (*str == 0))
+               return (0);
+
+       /* Example string: 6w6d18:33:07 */
+       errno = 0;
+       endptr = NULL;
+       ret = (uint64_t) strtoull (str, &endptr, /* base = */ 10);
+       if ((endptr == str) || (errno != 0))
+               return (0);
+
+       switch (*endptr)
+       {
+               case 'y': ret *= 365 * 86400; break;
+               case 'w': ret *=   7 * 86400; break;
+               case 'd': ret *=       86400; break;
+               case ':': ret *= have_hour ? 60 : 3600; have_hour = true; break;
+       }
+
+       return (ret + _sstrtodate (endptr + 1, have_hour));
+} /* }}} uint64_t _sstrtodate */
+
 /* vim: set ts=2 sw=2 noet fdm=marker : */

diff --git a/src/ros_parse.h b/src/ros_parse.h
index a39ac89..75473a4 100644 (file)
--- a/src/ros_parse.h
+++ b/src/ros_parse.h
@@ -31,6 +31,9 @@ double sstrtod (const char *str);
 
 int sstrto_rx_tx_counters (const char *str, uint64_t *rx, uint64_t *tx);
 
+uint64_t _sstrtodate (const char *str, _Bool have_hour);
+#define sstrtodate(str) _sstrtodate((str), 0)
+
 #endif /* ROS_PARSE_H */
 
 /* vim: set ts=2 sw=2 noet fdm=marker : */