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/*
cc -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS -g -o test/offst_source test/offst_source.c -lburn
*/
#include "../libburn/libburn.h"
/* Just everything from test/libburner.c */
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <errno.h>
#include <sys/stat.h>
#include <fcntl.h>
static int create_original(struct burn_source **original, char *path, int flag)
{
printf("create_original: path='%s'\n", path);
*original = burn_file_source_new(path, NULL);
if (*original == NULL)
return 0;
return 1;
}
static int set_up_offst_sources(struct burn_source *original,
struct burn_source *offsetters[],
int count, int flag)
{
int i;
off_t start = 3, size = 10, gap = 7;
for (i = 0; i < count; i++) {
offsetters[i] = burn_offst_source_new(original,
i > 0 ? offsetters[i - 1] : NULL,
start, size, 0);
if (offsetters[i] == NULL)
return 0;
printf("set_up_offst_sources: idx=%d, start=%d\n",
i, (int) start);
start += size + gap;
}
return 1;
}
static int consume_source(struct burn_source *src, int flag)
{
int ret, count = 0;
unsigned char buf[1];
while (1) {
ret = src->read_xt(src, buf, 1);
if (ret < 0) {
printf("\n");
fprintf(stderr, "consume_source: count=%d, ret=%d\n",
count, ret);
return 0;
}
if (ret == 0)
break;
printf("%u ", buf[0]);
count++;
}
printf(" count=%d\n", count);
return 1;
}
static int consume_all_sources(struct burn_source *offsetters[],
int count, int flag)
{
int i, ret;
for (i = 0; i < count; i++) {
printf("consume_source: idx=%d\n", i);
ret = consume_source(offsetters[i], 0);
if (ret <= 0)
return ret;
}
return 1;
}
static int free_all_sources(struct burn_source *original,
struct burn_source *offsetters[],
int count, int flag)
{
int i;
for (i = 0; i < count; i++)
burn_source_free(offsetters[i]);
burn_source_free(original);
return 1;
}
int main(int argc, char **argv)
{
int ret;
char *path = "./COPYRIGHT";
struct burn_source *original = NULL, *offsetters[4];
if (argc > 1)
path = argv[1];
if (burn_initialize() == 0)
exit(1);
ret = create_original(&original, path, 0);
if (ret <= 0)
exit(2);
ret = set_up_offst_sources(original, offsetters, 4, 0);
if (ret <= 0)
exit(3);
ret = consume_all_sources(offsetters, 4, 0);
if (ret <= 0)
exit(4);
ret = free_all_sources(original, offsetters, 4, 0);
if (ret <= 0)
exit(5);
burn_finish();
exit(0);
}
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