sj3/file.c
Masanori Ogino cbfc20a7ce Build sj3mkdic
Signed-off-by: Masanori Ogino <mogino@acm.org>
2023-12-07 13:46:30 +09:00

163 lines
3.5 KiB
C

/*
* Copyright (c) 1991-1994 Sony Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Sony Corporation
* shall not be used in advertising or otherwise to promote the sale, use
* or other dealings in this Software without prior written authorization
* from Sony Corporation.
*
*/
/*
* $SonyRCSfile: file.c,v $
* $SonyRevision: 1.2 $
* $SonyDate: 1995/02/03 07:38:32 $
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "dicttool.h"
typedef struct filelist {
FILE *fp;
char *fname;
struct filelist *next;
} FileList;
static FileList *flist = NULL;
static char*
get_fname(FILE* fp)
{
FileList *p;
for (p = flist ; p ; p = p -> next)
if (p -> fp == fp) return p -> fname;
return "some file";
}
FILE*
Fopen(char* filename, char* type)
{
FILE *fp;
FileList *fl;
if (!(fp = fopen(filename, type))) {
fprintf(stderr, "Can't open %s mode \"%s\"\n", filename, type);
exit(1);
}
fl = (FileList *)Malloc(sizeof(*fl));
fl -> fname = Malloc(strlen(filename) + 1);
strcpy(fl -> fname, filename);
fl -> fp = fp;
fl -> next = flist;
return fp;
}
void
Fclose(FILE* fp)
{
FileList *p, *q;
if (fclose(fp) == EOF) {
fprintf(stderr, "Close error in %s\n", get_fname(fp));
exit(1);
}
for (p = flist, q = NULL ; p ; q = p, p = p -> next) {
if (p -> fp == fp) {
if (q)
q -> next = p -> next;
else
flist = p -> next;
free(p -> fname);
free(p);
break;
}
}
}
int
Fseek(FILE* fp, long ofs, int ptr)
{
if (fseek(fp, ofs, ptr) == 0) return 0;
fprintf(stderr, "Seek error in %s\n", get_fname(fp));
exit(1);
}
long
Ftell(FILE* fp)
{
return ftell(fp);
}
off_t /* XXX: just looked in FreeBSD's sys/stat.h, need to check SUS spec. */
Fsize(char* filename)
{
struct stat buf;
#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
if (stat(filename, &buf) == 0) return (long)buf.st_size;
#else
if (stat(filename, &buf) == 0) return buf.st_size;
#endif
fprintf(stderr, "Stat error in %s\n", filename);
exit(1);
}
int
Fread(char* p, int s, int n, FILE* fp)
{
if (fread(p, s, n, fp) == n) return n;
fprintf(stderr, "Read error in %s\n", get_fname(fp));
exit(1);
}
int
Fwrite(char* p, int s, int n, FILE* fp)
{
if (fwrite(p, s, n, fp) == n) return n;
fprintf(stderr, "Write error in %s\n", get_fname(fp));
exit(1);
}
int
Fgetc(FILE* fp)
{
return fgetc(fp);
}
void
Fflush(FILE* fp)
{
fflush(fp);
}