ref: baaa888c574e075222ad70b002fe6a140a19098b
dir: /include/cst_file.h/
/*************************************************************************/
/* */
/* Language Technologies Institute */
/* Carnegie Mellon University */
/* Copyright (c) 1999 */
/* All Rights Reserved. */
/* */
/* Permission is hereby granted, free of charge, to use and distribute */
/* this software and its documentation without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of this work, and to */
/* permit persons to whom this work is furnished to do so, subject to */
/* the following conditions: */
/* 1. The code must retain the above copyright notice, this list of */
/* conditions and the following disclaimer. */
/* 2. Any modifications must be clearly marked as such. */
/* 3. Original authors' names are not deleted. */
/* 4. The authors' names are not used to endorse or promote products */
/* derived from this software without specific prior written */
/* permission. */
/* */
/* CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK */
/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
/* SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE */
/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
/* THIS SOFTWARE. */
/* */
/*************************************************************************/
/* Author: Alan W Black (awb@cs.cmu.edu) */
/* Date: August 2000 */
/*************************************************************************/
/* */
/* Some File stuff */
/* */
/*************************************************************************/
#ifndef _CST_FILE_H__
#define _CST_FILE_H__
#define CST_WRONG_FORMAT -2
#define CST_ERROR_FORMAT -1
#define CST_OK_FORMAT 0
#ifdef UNDER_CE
/* File access stuff (WinCE 2.11 is really damaged) */
#include <windows.h>
#include <winbase.h>
typedef HANDLE cst_file;
#elif __palmos__
#include <PalmOS.h>
#include <System/StdIOPalm.h>
typedef FILE * cst_file;
#else
#include <stdio.h>
typedef FILE * cst_file;
#endif
/* File mapping stuff */
#ifdef _WIN32
#include <windows.h>
typedef struct cst_filemap_struct {
void *mem;
cst_file fh;
size_t mapsize;
HANDLE h;
} cst_filemap;
#elif __palmos__
typedef struct cst_filemap_struct {
void *mem;
cst_file fh;
unsigned int mapsize;
int fd;
} cst_filemap;
#else
typedef struct cst_filemap_struct {
void *mem;
cst_file fh;
size_t mapsize;
int fd;
} cst_filemap;
#endif
#define CST_OPEN_WRITE (1<<0)
#define CST_OPEN_READ (1<<1)
#define CST_OPEN_APPEND (1<<2)
/* We actually ignore this -- files are always opened in in binary mode */
#define CST_OPEN_BINARY (1<<3)
#define CST_SEEK_ABSOLUTE 0
#define CST_SEEK_RELATIVE 1
#define CST_SEEK_ENDREL 2
cst_file cst_fopen(const char *path, int mode);
long cst_fwrite(cst_file fh, const void *buf, long size, long count);
long cst_fread(cst_file fh, void *buf, long size, long count);
int cst_fprintf(cst_file fh, const char *fmt, ...);
int cst_sprintf(char *s, const char *fmt, ...);
#ifdef _WIN32
#define snprintf c99_snprintf
#ifdef __GNUC__
#define INLINE static inline
#else
#define INLINE __inline
#endif
INLINE int c99_vsnprintf(char* str, size_t size, const char* format,
va_list ap) {
int count = -1;
if (size != 0)
count = _vsnprintf_s(str, size, _TRUNCATE, format, ap);
if (count == -1)
count = _vscprintf(format, ap);
return count;
}
INLINE int c99_snprintf(char* str, size_t size, const char* format, ...)
{
int count;
va_list ap;
va_start(ap, format);
count = c99_vsnprintf(str, size, format, ap);
va_end(ap);
return count;
}
#endif
#define cst_snprintf snprintf
#if defined(__palmos__)
#include <stdarg.h>
int cst_vsprintf(char *s, const char *fmt, va_list args);
#endif
int cst_fclose(cst_file fh);
int cst_fgetc(cst_file fh);
/* These aren't LFS-compliant. I don't think we'll need >2G files. */
long cst_ftell(cst_file fh);
long cst_fseek(cst_file fh, long pos, int whence);
long cst_filesize(cst_file fh);
cst_filemap *cst_mmap_file(const char *path);
int cst_munmap_file(cst_filemap *map);
cst_filemap *cst_read_whole_file(const char *path);
int cst_free_whole_file(cst_filemap *map);
cst_filemap *cst_read_part_file(const char *path);
int cst_free_part_file(cst_filemap *map);
int cst_urlp(const char *url);
cst_file cst_url_open(const char *url);
#endif