diff options
Diffstat (limited to 'stdlib/strtol.c')
| -rw-r--r-- | stdlib/strtol.c | 109 |
1 files changed, 75 insertions, 34 deletions
diff --git a/stdlib/strtol.c b/stdlib/strtol.c index 289aa04383..2a2a8ea5e7 100644 --- a/stdlib/strtol.c +++ b/stdlib/strtol.c @@ -1,5 +1,4 @@ -/* Copyright (C) 1991, 1992, 1994, 1995, 1996 Free Software Foundation, Inc. - +/* Copyright (C) 1991, 92, 94, 95, 96 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 @@ -56,18 +55,41 @@ extern int errno; # define UNSIGNED 0 # define INT LONG int #else -# define strtol strtoul # define INT unsigned LONG int #endif +/* Determine the name. */ +#if UNSIGNED +# ifdef USE_WIDE_CHAR +# ifdef QUAD +# define strtol wcstouq +# else +# define strtol wcstoul +# endif +# else +# ifdef QUAD +# define strtol strtouq +# else +# define strtol strtoul +# endif +# endif +#else +# ifdef USE_WIDE_CHAR +# ifdef QUAD +# define strtol wcstoq +# else +# define strtol wcstol +# endif +# else +# ifdef QUAD +# define strtol strtoq +# endif +# endif +#endif + /* If QUAD is defined, we are defining `strtoq' or `strtouq', operating on `long long int's. */ #ifdef QUAD -# if UNSIGNED -# define strtoul strtouq -# else -# define strtol strtoq -# endif # define LONG long long # undef LONG_MIN # define LONG_MIN LONG_LONG_MIN @@ -85,6 +107,24 @@ extern int errno; # define LONG long #endif +#ifdef USE_WIDE_CHAR +# include <wchar.h> +# include <wctype.h> +# define L_(ch) L##ch +# define UCHAR_TYPE wint_t +# define STRING_TYPE wchar_t +# define ISSPACE(ch) iswspace (ch) +# define ISALPHA(ch) iswalpha (ch) +# define TOUPPER(ch) towupper (ch) +#else +# define L_(ch) ch +# define UCHAR_TYPE unsigned char +# define STRING_TYPE char +# define ISSPACE(ch) isspace (ch) +# define ISALPHA(ch) isalpha (ch) +# define TOUPPER(ch) toupper (ch) +#endif + #ifdef __STDC__ # define INTERNAL(x) INTERNAL1(x) # define INTERNAL1(x) __##x##_internal @@ -107,8 +147,8 @@ extern int errno; INT INTERNAL (strtol) (nptr, endptr, base, group) - const char *nptr; - char **endptr; + const STRING_TYPE *nptr; + STRING_TYPE **endptr; int base; int group; { @@ -116,9 +156,9 @@ INTERNAL (strtol) (nptr, endptr, base, group) register unsigned LONG int cutoff; register unsigned int cutlim; register unsigned LONG int i; - register const char *s; - register unsigned char c; - const char *save, *end; + register const STRING_TYPE *s; + register UCHAR_TYPE c; + const STRING_TYPE *save, *end; int overflow; #ifdef USE_NUMBER_GROUPING @@ -153,18 +193,18 @@ INTERNAL (strtol) (nptr, endptr, base, group) save = s = nptr; /* Skip white space. */ - while (isspace (*s)) + while (ISSPACE (*s)) ++s; - if (*s == '\0') + if (*s == L_('\0')) goto noconv; /* Check for a sign. */ - if (*s == '-') + if (*s == L_('-')) { negative = 1; ++s; } - else if (*s == '+') + else if (*s == L_('+')) { negative = 0; ++s; @@ -172,14 +212,14 @@ INTERNAL (strtol) (nptr, endptr, base, group) else negative = 0; - if (base == 16 && s[0] == '0' && toupper (s[1]) == 'X') + if (base == 16 && s[0] == L_('0') && TOUPPER (s[1]) == L_('X')) s += 2; /* If BASE is zero, figure it out ourselves. */ if (base == 0) - if (*s == '0') + if (*s == L_('0')) { - if (toupper (s[1]) == 'X') + if (TOUPPER (s[1]) == L_('X')) { s += 2; base = 16; @@ -198,9 +238,9 @@ INTERNAL (strtol) (nptr, endptr, base, group) { /* Find the end of the digit string and check its grouping. */ end = s; - for (c = *end; c != '\0'; c = *++end) - if (c != thousands && !isdigit (c) && - (!isalpha (c) || toupper (c) - 'A' + 10 >= base)) + for (c = *end; c != L_('\0'); c = *++end) + if (c != thousands && (c < L_('0') || c > L_('9')) + && (!ISALPHA (c) || TOUPPER (c) - L_('A') + 10 >= base)) break; if (*s == thousands) end = s; @@ -216,14 +256,14 @@ INTERNAL (strtol) (nptr, endptr, base, group) overflow = 0; i = 0; - for (c = *s; c != '\0'; c = *++s) + for (c = *s; c != L_('\0'); c = *++s) { if (s == end) break; - if (isdigit (c)) - c -= '0'; - else if (isalpha (c)) - c = toupper (c) - 'A' + 10; + if (c >= L_('0') && c <= L_('9')) + c -= L_('0'); + else if (ISALPHA (c)) + c = TOUPPER (c) - L_('A') + 10; else break; if (c >= base) @@ -245,7 +285,7 @@ INTERNAL (strtol) (nptr, endptr, base, group) /* Store in ENDPTR the address of one character past the last character we converted. */ if (endptr != NULL) - *endptr = (char *) s; + *endptr = (STRING_TYPE *) s; #if !UNSIGNED /* Check for a value that is within the range of @@ -274,11 +314,12 @@ noconv: hexadecimal digits. This is no error case. We return 0 and ENDPTR points to the `x`. */ if (endptr != NULL) - if (save - nptr >= 2 && tolower (save[-1]) == 'x' && save[-2] == '0') - *endptr = (char *) &save[-1]; + if (save - nptr >= 2 && TOUPPER (save[-1]) == L_('X') + && save[-2] == L_('0')) + *endptr = (STRING_TYPE *) &save[-1]; else /* There was no number to convert. */ - *endptr = (char *) nptr; + *endptr = (STRING_TYPE *) nptr; return 0L; } @@ -287,8 +328,8 @@ noconv: INT strtol (nptr, endptr, base) - const char *nptr; - char **endptr; + const STRING_TYPE *nptr; + STRING_TYPE **endptr; int base; { return INTERNAL (strtol) (nptr, endptr, base, 0); |