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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /time/asctime.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'time/asctime.c')
-rw-r--r--time/asctime.c66
1 files changed, 18 insertions, 48 deletions
diff --git a/time/asctime.c b/time/asctime.c
index dc4fd54..f20b311 100644
--- a/time/asctime.c
+++ b/time/asctime.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1991,1993,1995-1997,2000,2002,2005
- Free Software Foundation, Inc.
+/* Copyright (C) 1991,1993,1995-1997,2000,2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -19,7 +18,6 @@
#include "../locale/localeinfo.h"
#include <errno.h>
-#include <limits.h>
#include <stdio.h>
#include <time.h>
@@ -31,9 +29,17 @@ extern const struct locale_data _nl_C_LC_TIME attribute_hidden;
static const char format[] = "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n";
static char result[ 3+1+ 3+1+20+1+20+1+20+1+20+1+20+1 + 1];
+/* Returns a string of the form "Day Mon dd hh:mm:ss yyyy\n"
+ which is the representation of TP in that form. */
+char *
+asctime (const struct tm *tp)
+{
+ return __asctime_r (tp, result);
+}
+libc_hidden_def (asctime)
-static char *
-asctime_internal (const struct tm *tp, char *buf, size_t buflen)
+char *
+__asctime_r (const struct tm *tp, char *buf)
{
if (tp == NULL)
{
@@ -41,51 +47,15 @@ asctime_internal (const struct tm *tp, char *buf, size_t buflen)
return NULL;
}
- /* We limit the size of the year which can be printed. Using the %d
- format specifier used the addition of 1900 would overflow the
- number and a negative vaue is printed. For some architectures we
- could in theory use %ld or an evern larger integer format but
- this would mean the output needs more space. This would not be a
- problem if the 'asctime_r' interface would be defined sanely and
- a buffer size would be passed. */
- if (__builtin_expect (tp->tm_year > INT_MAX - 1900, 0))
- {
- eoverflow:
- __set_errno (EOVERFLOW);
- return NULL;
- }
-
- int n = __snprintf (buf, buflen, format,
- (tp->tm_wday < 0 || tp->tm_wday >= 7 ?
- "???" : ab_day_name (tp->tm_wday)),
- (tp->tm_mon < 0 || tp->tm_mon >= 12 ?
- "???" : ab_month_name (tp->tm_mon)),
- tp->tm_mday, tp->tm_hour, tp->tm_min,
- tp->tm_sec, 1900 + tp->tm_year);
- if (n < 0)
+ if (sprintf (buf, format,
+ (tp->tm_wday < 0 || tp->tm_wday >= 7 ?
+ "???" : ab_day_name (tp->tm_wday)),
+ (tp->tm_mon < 0 || tp->tm_mon >= 12 ?
+ "???" : ab_month_name (tp->tm_mon)),
+ tp->tm_mday, tp->tm_hour, tp->tm_min,
+ tp->tm_sec, 1900 + tp->tm_year) < 0)
return NULL;
- if (n >= buflen)
- goto eoverflow;
return buf;
}
-
-
-/* Like asctime, but write result to the user supplied buffer. The
- buffer is only guaranteed to be 26 bytes in length. */
-char *
-__asctime_r (const struct tm *tp, char *buf)
-{
- return asctime_internal (tp, buf, 26);
-}
weak_alias (__asctime_r, asctime_r)
-
-
-/* Returns a string of the form "Day Mon dd hh:mm:ss yyyy\n"
- which is the representation of TP in that form. */
-char *
-asctime (const struct tm *tp)
-{
- return asctime_internal (tp, result, sizeof (result));
-}
-libc_hidden_def (asctime)