X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fstrftime.c;h=8c838f7834d8af0d29d44c21b2ccc1f883fa5e8a;hb=3b9c7bc21c762948ae4f0d273b0797f97276ed70;hp=aa8351641d142e52246b31aea582907b7b493554;hpb=4b2496208422ff3fee43b1e9c4fb73841a29b4bc;p=gnulib.git

diff --git a/lib/strftime.c b/lib/strftime.c
index aa8351641..8c838f783 100644
--- a/lib/strftime.c
+++ b/lib/strftime.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C
    Library.  Bugs can be reported to bug-glibc@prep.ai.mit.edu.
@@ -139,7 +139,7 @@ extern int __tz_compute __P ((time_t timer, const struct tm *tm));
 # if ! HAVE_LOCALTIME_R
 #  if ! HAVE_TM_GMTOFF
 /* Approximate gmtime_r as best we can in its absence.  */
-#   define gmtime_r my_gmtime_r
+#  define gmtime_r my_gmtime_r
 static struct tm *gmtime_r __P ((const time_t *, struct tm *));
 static struct tm *
 gmtime_r (t, tp)
@@ -230,6 +230,11 @@ static const char spaces[16] = "                ";
 # define TOUPPER(Ch) (islower (Ch) ? toupper (Ch) : (Ch))
 # define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch))
 #endif
+/* We don't use `isdigit' here since the locale dependent
+   interpretation is not what we want here.  We only need to accept
+   the arabic digits in the ASCII range.  One day there is perhaps a
+   more reliable way to accept other sets of digits.  */
+#define ISDIGIT(Ch) ((unsigned int) (Ch) - '0' <= 9)
 
 static char *memcpy_lowcase __P ((char *dest, const char *src, size_t len));
 
@@ -324,6 +329,31 @@ static char const month_name[][10] =
   };
 #endif
 
+
+#if !defined _LIBC && HAVE_TZNAME && HAVE_TZSET
+  /* Solaris 2.5 tzset sometimes modifies the storage returned by localtime.
+     Work around this bug by copying *tp before it might be munged.  */
+  size_t _strftime_copytm __P ((char *, size_t, const char *,
+			        const struct tm *));
+  size_t
+  strftime (s, maxsize, format, tp)
+      char *s;
+      size_t maxsize;
+      const char *format;
+      const struct tm *tp;
+  {
+    struct tm tmcopy;
+    tmcopy = *tp;
+    return _strftime_copytm (s, maxsize, format, &tmcopy);
+  }
+# ifdef strftime
+#  undef strftime
+# endif
+# define strftime _strftime_copytm
+#endif
+
+
+
 /* Write information from TP into S according to the format
    string FORMAT, writing no more that MAXSIZE characters
    (including the terminating '\0') and returning number of
@@ -488,38 +518,41 @@ strftime (s, maxsize, format, tp)
 
 #endif /* ! DO_MULTIBYTE */
 
-      /* Check for flags that can modify a number format.  */
+      /* Check for flags that can modify a format.  */
+      pad = 0;
       while (1)
 	{
 	  switch (*++f)
 	    {
+	      /* This influences the number formats.  */
 	    case '_':
 	    case '-':
 	    case '0':
 	      pad = *f;
 	      continue;
 
+	      /* This changes textual output.  */
 	    case '^':
 	      to_uppcase = 1;
 	      continue;
 
 	    default:
-	      pad = 0;
 	      break;
 	    }
 	  break;
 	}
 
       /* As a GNU extension we allow to specify the field width.  */
-      if (isdigit (*f))
+      if (ISDIGIT (*f))
 	{
 	  width = 0;
 	  do
 	    {
 	      width *= 10;
 	      width += *f - '0';
+	      ++f;
 	    }
-	  while (isdigit (*++f));
+	  while (ISDIGIT (*f));
 	}
 
       /* Check for modifiers.  */