merge with 0.30.213

[util-vserver.git] / src / filetime.c

diff --git a/src/filetime.c b/src/filetime.c
index 59531d1..576deb0 100644 (file)
--- a/src/filetime.c
+++ b/src/filetime.c
@@ -1,4 +1,4 @@
-// $Id: filetime.c,v 1.1 2003/09/29 22:01:57 ensc Exp $
+// $Id: filetime.c 1980 2005-03-24 12:44:17Z ensc $
 
 // Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
 // based on filetime.cc by Jacques Gelinas
@@ -17,42 +17,88 @@
 // along with this program; if not, write to the Free Software
 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "util.h"
+#include "lib/internal.h"
+
+#include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
 #include <time.h>
 #include <sys/stat.h>
 
+static void
+showHelp(char const *cmd)
+{
+  WRITE_MSG(1, "Usage:  ");
+  WRITE_STR(1, cmd);
+  WRITE_MSG(1,
+           " [--] <filename>\n"
+           "\n"
+           "Shows the relative age of <filename>\n"
+           "\n"
+           "Please report bugs to " PACKAGE_BUGREPORT "\n");
+  exit(0);
+}
+
+static void
+showVersion()
+{
+  WRITE_MSG(1,
+           "filetime " VERSION " -- shows age of a file\n"
+           "This program is part of " PACKAGE_STRING "\n\n"
+           "Copyright (C) 2004 Enrico Scholz\n"
+           VERSION_COPYRIGHT_DISCLAIMER);
+  exit(0);
+}
+
 int main (int argc, char *argv[])
 {
-       int ret = -1;
-       if (argc != 2){
-               fprintf (stderr
-                       ,"filetime version %s\n"
-                        "filetime file\n"
-                        "\n"
-                        "Prints the age of a file\n"
-                        "(how long since it was created or modified)\n"
-                       ,VERSION);
-       }else{
-               struct stat st;
-               if (stat(argv[1],&st)==-1){
-                       fprintf (stderr,"Can't stat file %s (%s)\n",argv[1]
-                               ,strerror(errno));
-               }else{
-                       time_t now = time(NULL);
-                       time_t since = now - st.st_mtime;
-                       int days = since / (24*60*60);
-                       int today = since % (24*60*60);
-                       int hours = today / (60*60);
-                       int minutes = (today % (60*60)) / 60;
-                       if (days > 0){
-                               printf ("%d days ",days);
-                       }
-                       printf ("%02d:%02d\n",hours,minutes);
-                       ret = 0;
-               }
-       }
-       return ret;
+  int                  idx = 1;
+  struct stat          st;
+  
+  if (argc>=2) {
+    if (strcmp(argv[1], "--help")   ==0) showHelp(argv[0]);
+    if (strcmp(argv[1], "--version")==0) showVersion();
+    if (strcmp(argv[1], "--")       ==0) ++idx;
+  }
+  if (argc<idx+1)
+    WRITE_MSG(2, "No filename specified; use '--help' for more information\n");
+  else if (stat(argv[idx], &st)==-1)
+    PERROR_Q("stat", argv[idx]);
+  else {    
+    time_t     now     = time(NULL);
+    time_t     since   = now - st.st_mtime;
+    int                days    = since / (24*60*60);
+    int                today   = since % (24*60*60);
+    int                hours   = today / (60*60);
+    int                minutes = (today % (60*60)) / 60;
+
+    char       buf[3*sizeof(time_t)*3 + 128];
+    size_t     l = 0;
+
+    if (days > 0) {
+      l        = utilvserver_fmt_ulong(buf, days);
+      buf[l++] = ' ';
+      #define MSG      "days, "
+      memcpy(buf+l, MSG, sizeof(MSG)-1); l += sizeof(MSG)-1;
+    }
+
+    if (hours<10) buf[l++] = '0';
+    l += utilvserver_fmt_ulong(buf+l, hours);
+    buf[l++] = ':';
+    if (minutes<10) buf[l++] = '0';
+    l += utilvserver_fmt_ulong(buf+l, minutes);
+    buf[l++] = '\n';
+
+    Vwrite(1, buf, l);
+    return EXIT_SUCCESS;
+  }
+
+  return EXIT_FAILURE;
 }