diff options
Diffstat (limited to 'stdlib/strtol.c')
| -rw-r--r-- | stdlib/strtol.c | 93 |
1 files changed, 60 insertions, 33 deletions
diff --git a/stdlib/strtol.c b/stdlib/strtol.c index a6c19578a2..8c5bbc22be 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) |