mirror of
https://github.com/rkd77/elinks.git
synced 2024-11-04 08:17:17 -05:00
168 lines
3.5 KiB
C
168 lines
3.5 KiB
C
#ifndef EL__OSDEP_TYPES_H
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#define EL__OSDEP_TYPES_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include <limits.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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#endif
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#ifndef SHRT_MAX
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#define SHRT_MAX 0x7fff
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#endif
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#ifndef USHRT_MAX
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#define USHRT_MAX 0xffff
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#endif
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#ifndef INT_MAX
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#ifdef MAXINT
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#define INT_MAX MAXINT
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#else
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#define INT_MAX 0x7fffffff
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#endif
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#endif
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#ifndef UINT_MAX
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#ifdef MAXUINT
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#define UINT_MAX MAXUINT
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#else
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#define UINT_MAX 0xffffffff
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#endif
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#endif
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#ifndef LONG_MAX
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#ifdef MAXLONG
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#define LONG_MAX MAXLONG
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#else
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#define LONG_MAX 0x7fffffff
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#endif
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#endif
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#if defined(HAVE_LONG_LONG) && !defined(LLONG_MAX)
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#ifdef MAXLLONG
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#define LLONG_MAX MAXLLONG
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#elif SIZEOF_LONG_LONG == 8
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#define LLONG_MAX 9223372036854775807LL
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#elif SIZEOF_LONG_LONG == 4
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#define LLONG_MAX LONG_MAX
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#endif
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#endif
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#ifndef OFFT_MAX
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#if defined(HAVE_LONG_LONG) && SIZEOF_OFF_T == SIZEOF_LONG_LONG
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#define OFFT_MAX LLONG_MAX
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#elif SIZEOF_OFF_T == SIZEOF_LONG
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#define OFFT_MAX LONG_MAX
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#elif SIZEOF_OFF_T == SIZEOF_INT
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#define OFFT_MAX INT_MAX
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#elif SIZEOF_OFF_T == SIZEOF_SHORT
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#define OFFT_MAX SHRT_MAX
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#endif
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#endif
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#ifndef HAVE_UINT16_T
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#if SIZEOF_CHAR == 2
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typedef unsigned char uint16_t;
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#elif SIZEOF_SHORT == 2
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typedef unsigned short uint16_t;
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#elif SIZEOF_INT == 2
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typedef unsigned int uint16_t;
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#elif SIZEOF_LONG == 2
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typedef unsigned long uint16_t;
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#elif defined(HAVE_LONG_LONG) && SIZEOF_LONG_LONG == 2
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typedef unsigned long long uint16_t;
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#else
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#error You have no 16-bit integer type. Get in touch with reality.
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#endif
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#endif
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#ifndef HAVE_INT32_T
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#if SIZEOF_CHAR == 4
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typedef char int32_t;
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#elif SIZEOF_SHORT == 4
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typedef short int32_t;
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#elif SIZEOF_INT == 4
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typedef int int32_t;
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#elif SIZEOF_LONG == 4
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typedef long int32_t;
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#elif defined(HAVE_LONG_LONG) && SIZEOF_LONG_LONG == 4
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typedef long long int32_t;
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#else
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#error You have no 32-bit integer type. Get in touch with reality.
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#endif
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#endif
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#ifndef HAVE_UINT32_T
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#if SIZEOF_CHAR == 4
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typedef unsigned char uint32_t;
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#elif SIZEOF_SHORT == 4
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typedef unsigned short uint32_t;
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#elif SIZEOF_INT == 4
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typedef unsigned int uint32_t;
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#elif SIZEOF_LONG == 4
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typedef unsigned long uint32_t;
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#elif defined(HAVE_LONG_LONG) && SIZEOF_LONG_LONG == 4
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typedef unsigned long long uint32_t;
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#else
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#error You have no 32-bit integer type. Get in touch with reality.
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#endif
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#endif
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#ifdef HAVE_LONG_LONG
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#define longlong long long
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#else
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#define longlong long
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#endif
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/* These are mostly for shutting up sparse warnings. */
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#ifndef __INT_MAX__
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#define __INT_MAX__ 0x7fffffff
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#endif
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#ifndef __LONG_MAX__
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#define __LONG_MAX__ 0x7fffffff
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#endif
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#ifndef __SHRT_MAX__
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#define __SHRT_MAX__ 0x7fff
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#endif
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/*
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* long l; (long) (longptr_T) l == l
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* void *p; (void *) (longptr_T) p == p
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*/
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typedef long longptr_T;
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/* To print off_t offset, ELinks does:
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*
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* printf("%" OFF_PRINT_FORMAT, (off_print_T) offset);
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*
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* The cast is necessary because it is not possible to guess
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* a printf format for off_t itself based on what we have here.
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* The off_t type might be either long or long long, and the format
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* string must match even if both types have the same representation,
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* because GCC warns about mismatches and --enable-debug adds -Werror
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* to $CFLAGS. */
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#if !HAVE_OFF_T || SIZEOF_OFF_T <= SIZEOF_LONG
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typedef long off_print_T;
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# define OFF_PRINT_FORMAT "ld"
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#elif HAVE_LONG_LONG && SIZEOF_OFF_T <= SIZEOF_LONG_LONG
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typedef long long off_print_T;
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# define OFF_PRINT_FORMAT "lld"
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#else
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# error "cannot figure out how to print off_t values"
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#endif
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#endif
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