femsci/toilet
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* Get rid of io.c/io.h: IO functions are now in libcucul.

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This commit is contained in:
Sam Hocevar 2008-06-15 15:02:23 +00:00 committed by sam
parent 71ab147f05
commit 0d17008396
4 changed files with 0 additions and 239 deletions
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1
src/Makefile.am
View file

@ -2,7 +2,6 @@
bin_PROGRAMS = toilet
toilet_SOURCES = main.c toilet.h \
io.c io.h \
render.c render.h \
filter.c filter.h \
export.c export.h \

1
src/figlet.c
View file

@ -28,7 +28,6 @@
#include "toilet.h"
#include "render.h"
#include "io.h"
#define STD_GLYPHS (127 - 32)
#define EXT_GLYPHS (STD_GLYPHS + 7)

213
src/io.c
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@ -1,213 +0,0 @@
/*
* TOIlet The Other Implementation’s letters
* Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
* All Rights Reserved
*
* $Id$
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
/*
* This file contains functions for compressed file I/O.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#if defined HAVE_ZLIB_H
# include <zlib.h>
# define READSIZE 128 /* Read buffer size */
# define WRITESIZE 128 /* Inflate buffer size */
#endif
#include "io.h"
#if defined HAVE_ZLIB_H
static int zipread(TOIFILE *, void *, unsigned int);
#endif
struct toifile
{
#if defined HAVE_ZLIB_H
unsigned char read_buffer[READSIZE];
z_stream stream;
gzFile gz;
int eof, zip;
#endif
FILE *f;
};
TOIFILE *toiopen(char const *path, const char *mode)
{
TOIFILE *toif = malloc(sizeof(*toif));
#if defined HAVE_ZLIB_H
uint8_t buf[4];
unsigned int skip_size = 0;
toif->gz = gzopen(path, "rb");
if(!toif->gz)
{
free(toif);
return NULL;
}
toif->eof = 0;
toif->zip = 0;
/* Parse ZIP file and go to start of first file */
gzread(toif->gz, buf, 4);
if(memcmp(buf, "PK\3\4", 4))
{
gzseek(toif->gz, 0, SEEK_SET);
return toif;
}
toif->zip = 1;
gzseek(toif->gz, 22, SEEK_CUR);
gzread(toif->gz, buf, 2); /* Filename size */
skip_size += (uint16_t)buf[0] | ((uint16_t)buf[1] << 8);
gzread(toif->gz, buf, 2); /* Extra field size */
skip_size += (uint16_t)buf[0] | ((uint16_t)buf[1] << 8);
gzseek(toif->gz, skip_size, SEEK_CUR);
/* Initialise inflate stream */
toif->stream.total_out = 0;
toif->stream.zalloc = NULL;
toif->stream.zfree = NULL;
toif->stream.opaque = NULL;
toif->stream.next_in = NULL;
toif->stream.avail_in = 0;
if(inflateInit2(&toif->stream, -MAX_WBITS))
{
free(toif);
gzclose(toif->gz);
return NULL;
}
#else
toif->f = fopen(path, mode);
if(!toif->f)
{
free(toif);
return NULL;
}
#endif
return toif;
}
int toiclose(TOIFILE *toif)
{
#if defined HAVE_ZLIB_H
gzFile gz = toif->gz;
if(toif->zip)
inflateEnd(&toif->stream);
free(toif);
return gzclose(gz);
#else
FILE *f = toif->f;
free(toif);
return fclose(f);
#endif
}
int toieof(TOIFILE *toif)
{
#if defined HAVE_ZLIB_H
return toif->zip ? toif->eof : gzeof(toif->gz);
#else
return feof(toif->f);
#endif
}
char *toigets(char *s, int size, TOIFILE *toif)
{
#if defined HAVE_ZLIB_H
if(toif->zip)
{
int i;
for(i = 0; i < size; i++)
{
int ret = zipread(toif, s + i, 1);
if(ret < 0)
return NULL;
if(ret == 0 || s[i] == '\n')
{
if(i + 1 < size)
s[i + 1] = '\0';
return s;
}
}
return s;
}
return gzgets(toif->gz, s, size);
#else
return fgets(s, size, toif->f);
#endif
}
#if defined HAVE_ZLIB_H
static int zipread(TOIFILE *toif, void *buf, unsigned int len)
{
unsigned int total_read = 0;
if(len == 0)
return 0;
toif->stream.next_out = buf;
toif->stream.avail_out = len;
while(toif->stream.avail_out > 0)
{
unsigned int tmp;
int ret = 0;
if(toif->stream.avail_in == 0 && !gzeof(toif->gz))
{
int bytes_read;
bytes_read = gzread(toif->gz, toif->read_buffer, READSIZE);
if(bytes_read < 0)
return -1;
toif->stream.next_in = toif->read_buffer;
toif->stream.avail_in = bytes_read;
}
tmp = toif->stream.total_out;
ret = inflate(&toif->stream, Z_SYNC_FLUSH);
total_read += toif->stream.total_out - tmp;
if(ret == Z_STREAM_END)
{
toif->eof = 1;
return total_read;
}
if(ret != Z_OK)
return ret;
}
return total_read;
}
#endif

24
src/io.h
View file

@ -1,24 +0,0 @@
/*
* TOIlet The Other Implementation’s letters
* Copyright (c) 2006 Sam Hocevar <sam@zoy.org>
* All Rights Reserved
*
* $Id$
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
/*
* This header defines functions for compressed file I/O.
*/
typedef struct toifile TOIFILE;
TOIFILE *toiopen(const char *, const char *);
int toiclose(TOIFILE *);
int toieof(TOIFILE *);
char *toigets(char *, int, TOIFILE *);