Rename parse_msec() and getmsec() to parse_thousands() and getthousands()

parse_msec() is not specific to milliseconds, it can parse any
fixed-point string.  It can be used, for instance, to parse a
fixed-point string written in milliseconds and interpret it as an
integer in microseconds.

babeld.c

@@ -148,13 +148,13 @@ main(int argc, char **argv)
                 goto usage;
             break;
         case 'h':
-            default_wireless_hello_interval = parse_msec(optarg);
+            default_wireless_hello_interval = parse_thousands(optarg);
             if(default_wireless_hello_interval <= 0 ||
                default_wireless_hello_interval > 0xFFFF * 10)
                 goto usage;
             break;
         case 'H':
-            default_wired_hello_interval = parse_msec(optarg);
+            default_wired_hello_interval = parse_thousands(optarg);
             if(default_wired_hello_interval <= 0 ||
                default_wired_hello_interval > 0xFFFF * 10)
                 goto usage;

configuration.c

@@ -148,14 +148,14 @@ getint(int c, int *int_r, gnc_t gnc, void *closure)
 }
 
 static int
-getmsec(int c, int *int_r, gnc_t gnc, void *closure)
+getthousands(int c, int *int_r, gnc_t gnc, void *closure)
 {
     char *t;
     int i;
     c = getword(c, &t, gnc, closure);
     if(c < -1)
         return c;
-    i = parse_msec(t);
+    i = parse_thousands(t);
     if(i < 0) {
         free(t);
         return -2;
@@ -408,13 +408,13 @@ parse_anonymous_ifconf(int c, gnc_t gnc, void *closure,
             if_conf->cost = cost;
         } else if(strcmp(token, "hello-interval") == 0) {
             int interval;
-            c = getmsec(c, &interval, gnc, closure);
+            c = getthousands(c, &interval, gnc, closure);
             if(c < -1 || interval <= 0 || interval > 10 * 0xFFFF)
                 goto error;
             if_conf->hello_interval = interval;
         } else if(strcmp(token, "update-interval") == 0) {
             int interval;
-            c = getmsec(c, &interval, gnc, closure);
+            c = getthousands(c, &interval, gnc, closure);
             if(c < -1 || interval <= 0 || interval > 10 * 0xFFFF)
                 goto error;
             if_conf->update_interval = interval;

util.c

@@ -152,8 +152,10 @@ parse_nat(const char *string)
     return (int)l;
 }
 
+/* Given a fixed-point string such as "42.1337", returns 1000 times
+   the value of the string, here 42133. */
 int
-parse_msec(const char *string)
+parse_thousands(const char *string)
 {
     unsigned int in, fl;
     int i, j;

util.h

@@ -78,7 +78,7 @@ int timeval_compare(const struct timeval *s1, const struct timeval *s2)
 void timeval_min(struct timeval *d, const struct timeval *s);
 void timeval_min_sec(struct timeval *d, time_t secs);
 int parse_nat(const char *string) ATTRIBUTE ((pure));
-int parse_msec(const char *string) ATTRIBUTE ((pure));
+int parse_thousands(const char *string) ATTRIBUTE ((pure));
 void do_debugf(int level, const char *format, ...)
     ATTRIBUTE ((format (printf, 2, 3))) COLD;
 int in_prefix(const unsigned char *restrict address,