libburnia/libisofs-legacy
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Change burn_source implementation to fit libburn requirements.

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This commit is contained in:
Vreixo Formoso Lopes 2007-10-02 16:47:19 +00:00
parent f4ad1c630b
commit 6546f1a197
1 changed files with 14 additions and 3 deletions
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17
libisofs/ecma119.c
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@ -867,10 +867,19 @@ bs_read(struct burn_source *bs, unsigned char *buf, int size)
{ {
struct ecma119_write_target *t = (struct ecma119_write_target*)bs->data; struct ecma119_write_target *t = (struct ecma119_write_target*)bs->data;
assert(size == t->block_size); if (size != t->block_size) {
printf("[ERROR] You can only read in %d chunks\n", t->block_size);
return -1;
}
if (t->curblock >= t->vol_space_size) { if (t->curblock >= t->vol_space_size) {
return 0; /* total_size could be setted by libburn */
if ( t->curblock >= (t->total_size / (off_t) t->block_size) ) {
/* we pad the image */
memset(buf, 0, size);
return size;
}
return -1;
} }
if (t->state_data_valid) if (t->state_data_valid)
write_data_chunk(t, buf); write_data_chunk(t, buf);
@ -908,8 +917,10 @@ bs_free_data(struct burn_source *bs)
t->state_files.src->close(t->state_files.src); t->state_files.src->close(t->state_files.src);
} }
int bs_set_size(struct burn_source *source, off_t size) int bs_set_size(struct burn_source *bs, off_t size)
{ {
struct ecma119_write_target *t = (struct ecma119_write_target*)bs->data;
t->total_size = size;
return 1; return 1;
} }