diff options
author | ewt <devnull@localhost> | 1997-05-07 15:11:46 +0000 |
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committer | ewt <devnull@localhost> | 1997-05-07 15:11:46 +0000 |
commit | 3272c3d1f1ebcb0fa0689f9c19afd03c7f19a2ca (patch) | |
tree | 1e301dd94055854e409a922226a7fd259c1b4acf | |
parent | 67c8991eb0560035783f1e44ce6b757c61509ec4 (diff) | |
download | librpm-tizen-3272c3d1f1ebcb0fa0689f9c19afd03c7f19a2ca.tar.gz librpm-tizen-3272c3d1f1ebcb0fa0689f9c19afd03c7f19a2ca.tar.bz2 librpm-tizen-3272c3d1f1ebcb0fa0689f9c19afd03c7f19a2ca.zip |
*** empty log message ***
CVS patchset: 1609
CVS date: 1997/05/07 15:11:46
-rw-r--r-- | misc/myrealloc.c (renamed from myrealloc.c) | 0 | ||||
-rw-r--r-- | misc/strtol.c | 304 | ||||
-rw-r--r-- | misc/strtoul.c | 21 |
3 files changed, 325 insertions, 0 deletions
diff --git a/myrealloc.c b/misc/myrealloc.c index d646d6560..d646d6560 100644 --- a/myrealloc.c +++ b/misc/myrealloc.c diff --git a/misc/strtol.c b/misc/strtol.c new file mode 100644 index 000000000..38a569dc0 --- /dev/null +++ b/misc/strtol.c @@ -0,0 +1,304 @@ +/* Copyright (C) 1991, 1992, 1994, 1995 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 +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +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 + +#ifdef _LIBC +# define USE_NUMBER_GROUPING +# define STDC_HEADERS +# define HAVE_LIMITS_H +#endif + +#include <ctype.h> +#include <errno.h> +#ifndef errno +extern int errno; +#endif + +#ifdef HAVE_LIMITS_H +# include <limits.h> +#endif + +#ifdef STDC_HEADERS +# include <stddef.h> +# include <stdlib.h> +#else +# ifndef NULL +# define NULL 0 +# endif +#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 +#else +# 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 +# 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 LONG long +#endif + +#ifdef __STDC__ +# define INTERNAL(x) INTERNAL1(x) +# define INTERNAL1(x) __##x##_internal +#else +# define INTERNAL(x) __/**/x/**/_internal +#endif + +#ifdef USE_NUMBER_GROUPING +/* This file defines a function to check for correct grouping. */ +# include "grouping.h" +#endif + + +/* Convert NPTR to an `unsigned long int' or `long int' in base BASE. + If BASE is 0 the base is determined by the presence of a leading + zero, indicating octal or a leading "0x" or "0X", indicating hexadecimal. + If BASE is < 2 or > 36, it is reset to 10. + If ENDPTR is not NULL, a pointer to the character after the last + one converted is stored in *ENDPTR. */ + +INT +INTERNAL (strtol) (nptr, endptr, base, group) + const char *nptr; + char **endptr; + int base; + int group; +{ + int negative; + 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; + int overflow; + +#ifdef USE_NUMBER_GROUPING + /* The thousands character of the current locale. */ + wchar_t thousands; + /* The numeric grouping specification of the current locale, + in the format described in <locale.h>. */ + const char *grouping; + + if (group) + { + grouping = _NL_CURRENT (LC_NUMERIC, GROUPING); + if (*grouping <= 0 || *grouping == CHAR_MAX) + grouping = NULL; + else + { + /* Figure out the thousands separator character. */ + if (mbtowc (&thousands, _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP), + strlen (_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP))) <= 0) + thousands = (wchar_t) *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP); + if (thousands == L'\0') + grouping = NULL; + } + } + else + grouping = NULL; +#endif + + if (base < 0 || base == 1 || base > 36) + base = 10; + + save = s = nptr; + + /* Skip white space. */ + while (isspace (*s)) + ++s; + if (*s == '\0') + goto noconv; + + /* Check for a sign. */ + if (*s == '-') + { + negative = 1; + ++s; + } + else if (*s == '+') + { + negative = 0; + ++s; + } + else + negative = 0; + + if (base == 16 && s[0] == '0' && toupper (s[1]) == 'X') + s += 2; + + /* If BASE is zero, figure it out ourselves. */ + if (base == 0) + if (*s == '0') + { + if (toupper (s[1]) == 'X') + { + s += 2; + base = 16; + } + else + base = 8; + } + else + base = 10; + + /* 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. */ + end = s; + for (c = *end; c != '\0'; c = *++end) + if (c != thousands && !isdigit (c) && + (!isalpha (c) || toupper (c) - 'A' + 10 >= base)) + break; + if (*s == thousands) + end = s; + else + end = correctly_grouped_prefix (s, end, thousands, grouping); + } + else +#endif + end = NULL; + + cutoff = ULONG_MAX / (unsigned LONG int) base; + cutlim = ULONG_MAX % (unsigned LONG int) base; + + overflow = 0; + i = 0; + for (c = *s; c != '\0'; c = *++s) + { + if (s == end) + break; + if (isdigit (c)) + c -= '0'; + else if (isalpha (c)) + c = toupper (c) - 'A' + 10; + else + break; + if (c >= base) + break; + /* Check for overflow. */ + if (i > cutoff || (i == cutoff && c > cutlim)) + overflow = 1; + else + { + i *= (unsigned LONG int) base; + i += c; + } + } + + /* Check if anything actually happened. */ + if (s == save) + goto noconv; + + /* Store in ENDPTR the address of one character + past the last character we converted. */ + if (endptr != NULL) + *endptr = (char *) s; + +#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 ? + -(unsigned LONG int) LONG_MIN : (unsigned LONG int) LONG_MAX)) + overflow = 1; +#endif + + if (overflow) + { + errno = ERANGE; +#if UNSIGNED + return ULONG_MAX; +#else + return negative ? LONG_MIN : LONG_MAX; +#endif + } + + /* Return the result of the appropriate sign. */ + return (negative ? -i : i); + +noconv: + /* We must handle a special case here: the base is 0 or 16 and the + first two characters and '0' and 'x', but the rest are no + 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]; + else + /* There was no number to convert. */ + *endptr = (char *) nptr; + + return 0L; +} + +/* External user entry point. */ + +INT +#ifdef __strtol +__strtol +#else +strtol +#endif + (nptr, endptr, base) + const char *nptr; + char **endptr; + int base; +{ + return INTERNAL (strtol) (nptr, endptr, base, 0); +} + +#ifdef weak_symbol +weak_symbol (strtol) +#endif diff --git a/misc/strtoul.c b/misc/strtoul.c new file mode 100644 index 000000000..74126ab7c --- /dev/null +++ b/misc/strtoul.c @@ -0,0 +1,21 @@ +/* Copyright (C) 1991 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 +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +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. */ + +#define UNSIGNED 1 +#include <limits.h> +#include <strtol.c> |