| Server IP : 79.136.114.73 / Your IP : 3.138.140.5 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /proc/self/root/home/b8009/php-5.6.22/ext/gd/libgd/ |
Upload File : |
/*
* io_file.c
*
* Implements the file interface.
*
* As will all I/O modules, most functions are for local use only (called
* via function pointers in the I/O context).
*
* Most functions are just 'wrappers' for standard file functions.
*
* Written/Modified 1999, Philip Warner.
*
*/
/* For platforms with incomplete ANSI defines. Fortunately,
SEEK_SET is defined to be zero by the standard. */
#ifndef SEEK_SET
#define SEEK_SET 0
#endif /* SEEK_SET */
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include "gd.h"
#include "gdhelpers.h"
/* this is used for creating images in main memory */
typedef struct fileIOCtx
{
gdIOCtx ctx;
FILE *f;
} fileIOCtx;
gdIOCtx *newFileCtx (FILE * f);
static int fileGetbuf (gdIOCtx *, void *, int);
static int filePutbuf (gdIOCtx *, const void *, int);
static void filePutchar (gdIOCtx *, int);
static int fileGetchar (gdIOCtx * ctx);
static int fileSeek (struct gdIOCtx *, const int);
static long fileTell (struct gdIOCtx *);
static void gdFreeFileCtx (gdIOCtx * ctx);
/* return data as a dynamic pointer */
gdIOCtx * gdNewFileCtx (FILE * f)
{
fileIOCtx *ctx;
ctx = (fileIOCtx *) gdMalloc(sizeof (fileIOCtx));
ctx->f = f;
ctx->ctx.getC = fileGetchar;
ctx->ctx.putC = filePutchar;
ctx->ctx.getBuf = fileGetbuf;
ctx->ctx.putBuf = filePutbuf;
ctx->ctx.tell = fileTell;
ctx->ctx.seek = fileSeek;
ctx->ctx.gd_free = gdFreeFileCtx;
return (gdIOCtx *) ctx;
}
static void gdFreeFileCtx (gdIOCtx * ctx)
{
gdFree(ctx);
}
static int filePutbuf (gdIOCtx * ctx, const void *buf, int size)
{
fileIOCtx *fctx;
fctx = (fileIOCtx *) ctx;
return fwrite(buf, 1, size, fctx->f);
}
static int fileGetbuf (gdIOCtx * ctx, void *buf, int size)
{
fileIOCtx *fctx;
fctx = (fileIOCtx *) ctx;
return fread(buf, 1, size, fctx->f);
}
static void filePutchar (gdIOCtx * ctx, int a)
{
unsigned char b;
fileIOCtx *fctx;
fctx = (fileIOCtx *) ctx;
b = a;
putc (b, fctx->f);
}
static int fileGetchar (gdIOCtx * ctx)
{
fileIOCtx *fctx;
fctx = (fileIOCtx *) ctx;
return getc (fctx->f);
}
static int fileSeek (struct gdIOCtx *ctx, const int pos)
{
fileIOCtx *fctx;
fctx = (fileIOCtx *) ctx;
return (fseek (fctx->f, pos, SEEK_SET) == 0);
}
static long fileTell (struct gdIOCtx *ctx)
{
fileIOCtx *fctx;
fctx = (fileIOCtx *) ctx;
return ftell (fctx->f);
}