X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fxstrtol.c;h=ad2bcdbf10fe7ae87b8ab7c54e2b6a1251e08945;hb=28546733a07f8078b9e6c21f52c2e3dcd096af0a;hp=a7386343f6b2f596c2522e0101af615ce59a35a1;hpb=7237f669760f3a8e52fd4204535914ebc493c9a9;p=gnulib.git

diff --git a/lib/xstrtol.c b/lib/xstrtol.c
index a7386343f..ad2bcdbf1 100644
--- a/lib/xstrtol.c
+++ b/lib/xstrtol.c
@@ -1,14 +1,31 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
+/* A more useful interface to strtol.
+   Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* Written by Jim Meyering. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
 #endif
 
-#ifdef STDC_HEADERS
-#include <stdlib.h>
-#else
-long int __strtol (const char *, char **, int base);
+#if STDC_HEADERS
+# include <stdlib.h>
 #endif
 
-#ifdef HAVE_STRING_H
+#if HAVE_STRING_H
 # include <string.h>
 #else
 # include <strings.h>
@@ -17,8 +34,8 @@ long int __strtol (const char *, char **, int base);
 # endif
 #endif
 
+#define NDEBUG
 #include <assert.h>
-/* FIXME: define NDEBUG before release.  */
 
 #include <errno.h>
 #ifndef errno
@@ -26,15 +43,15 @@ extern int errno;
 #endif
 
 #if HAVE_LIMITS_H
-#include <limits.h>
+# include <limits.h>
 #endif
 
 #ifndef ULONG_MAX
-#define ULONG_MAX ((unsigned long) ~(unsigned long) 0)
+# define ULONG_MAX ((unsigned long) ~(unsigned long) 0)
 #endif
 
 #ifndef LONG_MAX
-#define LONG_MAX ((long int) (ULONG_MAX >> 1))
+# define LONG_MAX ((long int) (ULONG_MAX >> 1))
 #endif
 
 #include "xstrtol.h"
@@ -74,19 +91,21 @@ __xstrtol (s, ptr, base, val, valid_suffixes)
     return LONGINT_OVERFLOW;
   if (*p == s)
     return LONGINT_INVALID;
+
+  /* Let valid_suffixes == NULL mean `allow any suffix'.  */
+  /* FIXME: update all callers except the one in tail.c changing
+     last parameter NULL to `""'.  */
   if (!valid_suffixes)
     {
-      if (**p == '\0')
-	{
-	  *val = tmp;
-	  return LONGINT_OK;
-	}
-      else
-	return LONGINT_INVALID_SUFFIX_CHAR;
+      *val = tmp;
+      return LONGINT_OK;
     }
 
-  if (**p != '\0' && strchr (valid_suffixes, **p))
+  if (**p != '\0')
     {
+      if (!strchr (valid_suffixes, **p))
+	return LONGINT_INVALID_SUFFIX_CHAR;
+
       switch (**p)
 	{
 	case 'b':
@@ -98,6 +117,7 @@ __xstrtol (s, ptr, base, val, valid_suffixes)
 	  ++(*p);
 	  break;
 
+	case 'B':
 	case 'k':
 	  BKM_SCALE (tmp, 1024, LONGINT_OVERFLOW);
 	  ++(*p);
@@ -125,8 +145,8 @@ __xstrtol (s, ptr, base, val, valid_suffixes)
 
 #ifdef TESTING_XSTRTO
 
-#include <stdio.h>
-#include "error.h"
+# include <stdio.h>
+# include "error.h"
 
 char *program_name;
 
@@ -154,4 +174,5 @@ main (int argc, char** argv)
     }
   exit (0);
 }
+
 #endif /* TESTING_XSTRTO */