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/*
* readline.cpp: A plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* $Id$
*/
#include <stdlib.h>
#include <stdio.h>
#include "readline.h"
#ifdef __FreeBSD__
#include <string.h>
#if __FreeBSD_version > 800000
#define HAVE_GETLINE
#endif
#else
#define HAVE_GETLINE
#endif
extern char *strcatrealloc(char *dest, const char *src);
// --- cReadLineInfosatepg ---------------------------------------------------
cReadLineInfosatepg::cReadLineInfosatepg(void)
{
buffer = NULL;
}
cReadLineInfosatepg::~cReadLineInfosatepg()
{
if (buffer) free(buffer);
}
char *cReadLineInfosatepg::Read(FILE *f,size_t *size)
{
if (buffer) free(buffer);
buffer=NULL;
if ((!size) || (!f)) return NULL;
bool ext=false;
*size=0;
char *tempbuffer=NULL;
size_t tempsize=0;
do
{
ext=false;
#ifndef HAVE_GETLINE
size_t n;
if (!tempbuffer)
{
if (!(tempbuffer = (char *)malloc(tempsize = 4096)))
return NULL;
}
if (!fgets(tempbuffer, tempsize, f))
{
if (tempbuffer) free(tempbuffer);
return buffer;
}
while ((n = strlen(tempbuffer)) >= tempsize - 1 &&
tempbuffer[n - 1] != '\n')
{
if (!(tempbuffer = (char *)realloc(tempbuffer, tempsize * 2)))
return NULL;
tempsize *= 2;
if (!fgets(tempbuffer + n, tempsize - n, f))
break;
}
#else
int n = getline(&tempbuffer, &tempsize, f);
#endif
if (n > 0)
{
if (tempbuffer[n-1] == '\n')
{
tempbuffer[--n] = 0;
if (n > 0)
{
if (tempbuffer[n-1] == '\r')
tempbuffer[--n] = 0;
}
}
if (n>0)
{
if (tempbuffer[n-1] == '\\')
{
tempbuffer[--n]=0;
ext=true;
}
}
if (n>0) {
buffer=strcatrealloc(buffer,tempbuffer);
//tempbuffer[0]=0;
*size+=n;
} else {
//tempbuffer[0]=0;
ext=true;
}
}
}
while (ext==true);
if (tempbuffer) free(tempbuffer);
return buffer;
}
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