From 18b14e52a577754db66fe46a6ece5f2a06a7a83a Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Tue, 17 Jul 2012 23:11:06 -0500
Subject: Largely cosmetic code cleanups.

---
 toys/date.c | 47 ++++++++++++++++++-----------------------------
 1 file changed, 18 insertions(+), 29 deletions(-)

(limited to 'toys/date.c')

diff --git a/toys/date.c b/toys/date.c
index ebcdeb1f..7881f464 100644
--- a/toys/date.c
+++ b/toys/date.c
@@ -6,7 +6,7 @@
  *
  * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/date.html
 
-USE_DATE(NEWTOY(date, "u", TOYFLAG_BIN))
+USE_DATE(NEWTOY(date, "r:u", TOYFLAG_BIN))
 
 config DATE
 	bool "date"
@@ -23,8 +23,7 @@ config DATE
 static int fromdec(const char *buf, int len)
 {
     int result = 0;
-    while (len--)
-        result=result * 10 + (*buf++ - '0');
+    while (len--) result=result * 10 + (*buf++ - '0');
     return result;
 }
 
@@ -36,16 +35,13 @@ void date_main(void)
     if (!toys.optargs[0] || toys.optargs[0][0] == '+') {
         time_t now = time(NULL);
         struct tm *tm;
-        if (toys.optargs[0])
-            format_string = &toys.optargs[0][1];
-        if (toys.optflags)
-            tm = gmtime(&now);
-        else
-            tm = localtime(&now);
-        if (!tm)
-            perror_msg("Unable to retrieve current time");
+
+        if (toys.optargs[0]) format_string = toys.optargs[0]+1;
+        if (toys.optflags) tm = gmtime(&now);
+        else tm = localtime(&now);
+        if (!tm) perror_msg("Unable to retrieve current time");
         if (!strftime(toybuf, sizeof(toybuf), format_string, tm))
-            perror_msg("invalid format string `%s'", format_string);
+            perror_msg("bad format `%s'", format_string);
         puts(toybuf);
     } else {
         int len = strlen(toys.optargs[0]);
@@ -53,30 +49,26 @@ void date_main(void)
         struct timeval tv;
 
         if (len < 8 || len > 12 || len & 1)
-            error_msg("invalid date `%s'", toys.optargs[0]);
+            error_msg("bad date `%s'", toys.optargs[0]);
         memset(&tm, 0, sizeof(tm));
         /* Date format: mmddhhmm[[cc]yy] */
         tm.tm_mon = fromdec(toys.optargs[0], 2) - 1;
         tm.tm_mday = fromdec(&toys.optargs[0][2], 2);
         tm.tm_hour = fromdec(&toys.optargs[0][4], 2);
         tm.tm_min = fromdec(&toys.optargs[0][6], 2);
-        if (len == 12)
-            tm.tm_year = fromdec(&toys.optargs[0][8], 4) - 1900;
+        if (len == 12) tm.tm_year = fromdec(&toys.optargs[0][8], 4) - 1900;
         else if (len == 10) {
             tm.tm_year = fromdec(&toys.optargs[0][8], 2);
             /* 69-99 = 1969-1999, 0 - 68 = 2000-2068 */
-            if (tm.tm_year < 69)
-                tm.tm_year += 100;
+            if (tm.tm_year < 69) tm.tm_year += 100;
         } else {
             /* Year not specified, so retrieve current year */
             time_t now = time(NULL);
             struct tm *now_tm = localtime(&now);
-            if (!now_tm)
-                perror_msg("Unable to retrieve current time");
+            if (!now_tm) perror_msg("Unable to retrieve current time");
             tm.tm_year = now_tm->tm_year;
         }
-        if (!toys.optflags)
-            tv.tv_sec = mktime(&tm);
+        if (!toys.optflags) tv.tv_sec = mktime(&tm);
         else {
             /* Get the UTC version of a struct tm */
             char *tz = NULL;
@@ -84,20 +76,17 @@ void date_main(void)
             setenv("TZ", "", 1);
             tzset();
             tv.tv_sec = mktime(&tm);
-            if (tz)
-                setenv("TZ", tz, 1);
-            else
-                unsetenv("TZ");
+            if (tz) setenv("TZ", tz, 1);
+            else unsetenv("TZ");
             tzset();
         }
 
         if (tv.tv_sec == (time_t)-1)
-            error_msg("invalid date `%s'", toys.optargs[0]);
+            error_msg("bad `%s'", toys.optargs[0]);
         tv.tv_usec = 0;
         if (!strftime(toybuf, sizeof(toybuf), format_string, &tm))
-            perror_msg("invalid format string `%s'", format_string);
+            perror_msg("bad format `%s'", format_string);
         puts(toybuf);
-        if (settimeofday(&tv, NULL) < 0)
-            perror_msg("cannot set date");
+        if (settimeofday(&tv, NULL) < 0) perror_msg("cannot set date");
     }
 }
-- 
cgit v1.2.3