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authorJim Meyering <meyering@lucent.com>1995-07-17 13:34:12 +0000
committerJim Meyering <meyering@lucent.com>1995-07-17 13:34:12 +0000
commite09675ddfb3f85d9d345ac1865841897140181db (patch)
tree86b2e28e6194029b4a1982a818c68dc26a6481ec /stdlib/strtol.c
parent787429e3f0038df0229b7e0f4cbb4cd06ae36a01 (diff)
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Portability changes from Uli Drepper. [!STDC_HEADERS && !defined(NULL)] Define NULL.
Diffstat (limited to 'stdlib/strtol.c')
-rw-r--r--stdlib/strtol.c93
1 files changed, 60 insertions, 33 deletions
diff --git a/stdlib/strtol.c b/stdlib/strtol.c
index a6c1957..8c5bbc2 100644
--- a/stdlib/strtol.c
+++ b/stdlib/strtol.c
@@ -17,55 +17,77 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include <ctype.h>
-#include <limits.h>
-#include <stddef.h>
-#include <stdlib.h>
#include <errno.h>
-#include "../locale/localeinfo.h"
+#include <limits.h>
+#ifdef STDC_HEADERS
+# include <stddef.h>
+# include <stdlib.h>
+#else
+# ifndef NULL
+# define NULL 0
+# endif
+#endif
+
+#ifdef _LIBC
+# define USE_NUMBER_GROUPING
+#endif
+
+#ifdef USE_NUMBER_GROUPING
+# include "../locale/localeinfo.h"
+#endif
/* Nonzero if we are defining `strtoul' or `strtouq', operating on
unsigned integers. */
#ifndef UNSIGNED
-#define UNSIGNED 0
-#define INT LONG int
+# define UNSIGNED 0
+# define INT LONG int
#else
-#define strtol strtoul
-#define INT unsigned LONG int
+# define strtol strtoul
+# define INT unsigned LONG int
#endif
/* If QUAD is defined, we are defining `strtoq' or `strtouq',
operating on `long long int's. */
#ifdef QUAD
-#if UNSIGNED
-#define strtoul strtouq
+# if UNSIGNED
+# define strtoul strtouq
+# else
+# define strtol strtoq
+# endif
+# define LONG long long
+# undef LONG_MIN
+# define LONG_MIN LONG_LONG_MIN
+# undef LONG_MAX
+# define LONG_MAX LONG_LONG_MAX
+# undef ULONG_MAX
+# define ULONG_MAX ULONG_LONG_MAX
+# if __GNUC__ == 2 && __GNUC_MINOR__ < 7
+ /* Work around gcc bug with using this constant. */
+ static const unsigned long long int maxquad = ULONG_LONG_MAX;
+# undef ULONG_MAX
+# define ULONG_MAX maxquad
+# endif
#else
-#define strtol strtoq
-#endif
-#define LONG long long
-#undef LONG_MIN
-#define LONG_MIN LONG_LONG_MIN
-#undef LONG_MAX
-#define LONG_MAX LONG_LONG_MAX
-#undef ULONG_MAX
-#define ULONG_MAX ULONG_LONG_MAX
-#if __GNUC__ == 2 && __GNUC_MINOR__ < 7
-/* Work around gcc bug with using this constant. */
-static const unsigned long long int maxquad = ULONG_LONG_MAX;
-#undef ULONG_MAX
-#define ULONG_MAX maxquad
+# define LONG long
#endif
+
+#ifdef __STDC__
+# define INTERNAL(x) INTERNAL1(x)
+# define INTERNAL1(x) __##x##_internal
#else
-#define LONG long
+# define INTERNAL(x) __/**/x/**/_internal
#endif
-
-#define INTERNAL(x) INTERNAL1(x)
-#define INTERNAL1(x) __##x##_internal
-
+#ifdef USE_NUMBER_GROUPING
/* This file defines a function to check for correct grouping. */
-#include "grouping.h"
+# include "grouping.h"
+#endif
/* Convert NPTR to an `unsigned long int' or `long int' in base BASE.
@@ -91,6 +113,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
const char *save, *end;
int overflow;
+#ifdef USE_NUMBER_GROUPING
/* The thousands character of the current locale. */
wchar_t thousands;
/* The numeric grouping specification of the current locale,
@@ -114,7 +137,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
}
else
grouping = NULL;
-
+#endif
if (base < 0 || base == 1 || base > 36)
base = 10;
@@ -162,6 +185,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
/* Save the pointer so we can check later if anything happened. */
save = s;
+#ifdef USE_NUMBER_GROUPING
if (group)
{
/* Find the end of the digit string and check its grouping. */
@@ -176,6 +200,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
end = correctly_grouped_prefix (s, end, thousands, grouping);
}
else
+#endif
end = NULL;
cutoff = ULONG_MAX / (unsigned LONG int) base;
@@ -214,7 +239,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
if (endptr != NULL)
*endptr = (char *) s;
-#if !UNSIGNED
+#if !UNSIGNED
/* Check for a value that is within the range of
`unsigned LONG int', but outside the range of `LONG int'. */
if (i > (negative ?
@@ -225,7 +250,7 @@ INTERNAL (strtol) (nptr, endptr, base, group)
if (overflow)
{
errno = ERANGE;
-#if UNSIGNED
+#if UNSIGNED
return ULONG_MAX;
#else
return negative ? LONG_MIN : LONG_MAX;
@@ -244,7 +269,9 @@ noconv:
/* External user entry point. */
+#ifdef weak_symbol
weak_symbol (strtol)
+#endif
INT
strtol (nptr, endptr, base)