libburnia/libisofs
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Fix important bug. File sections must be computed before dir size.

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This commit is contained in:
Vreixo Formoso 2008-08-19 20:54:27 +02:00
parent ff480b35e9
commit fb3c3e1a6d
2 changed files with 156 additions and 149 deletions
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31
libisofs/filesrc.c
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@ -68,13 +68,30 @@ int iso_file_src_create(Ecma119Image *img, IsoFile *file, IsoFileSrc **src)
/* fill key and other atts */
fsrc->prev_img = file->from_old_session;
if (file->from_old_session) {
if (file->from_old_session && img->appendable) {
/*
* On multisession discs we keep file sections from old image.
*/
int ret = iso_file_get_old_image_sections(file, &(fsrc->nsections),
&(fsrc->sections), 0);
if (ret < 0) {
free(fsrc);
return ISO_OUT_OF_MEM;
}
} else {
/*
* For new files, or for image copy, we compute our own file sections.
* Block and size of each section will be filled later.
*/
off_t section_size = iso_stream_get_size(file->stream);
if (section_size > (off_t) MAX_ISO_FILE_SECTION_SIZE) {
fsrc->nsections = DIV_UP(section_size - (off_t) MAX_ISO_FILE_SECTION_SIZE,
(off_t)ISO_EXTENT_SIZE) + 1;
} else {
fsrc->nsections = 1;
}
fsrc->sections = calloc(fsrc->nsections, sizeof(struct iso_file_section));
}
fsrc->sort_weight = file->sort_weight;
fsrc->stream = file->stream;
@ -187,15 +204,6 @@ int filesrc_writer_compute_data_blocks(IsoImageWriter *writer)
IsoFileSrc *file = filelist[i];
off_t section_size = iso_stream_get_size(file->stream);
if (section_size > (off_t) MAX_ISO_FILE_SECTION_SIZE) {
file->nsections = DIV_UP(iso_stream_get_size(file->stream)
- (off_t) MAX_ISO_FILE_SECTION_SIZE,
(off_t)ISO_EXTENT_SIZE) + 1;
} else {
file->nsections = 1;
}
file->sections = realloc(file->sections, file->nsections *
sizeof(struct iso_file_section));
for (extent = 0; extent < file->nsections - 1; ++extent) {
file->sections[extent].block = t->curblock + extent *
(ISO_EXTENT_SIZE / BLOCK_SIZE);
@ -207,8 +215,7 @@ int filesrc_writer_compute_data_blocks(IsoImageWriter *writer)
* final section
*/
file->sections[extent].block = t->curblock + extent * (ISO_EXTENT_SIZE / BLOCK_SIZE);
file->sections[extent].size = section_size;
section_size -= (off_t) ISO_EXTENT_SIZE;
file->sections[extent].size = (uint32_t)section_size;
t->curblock += DIV_UP(iso_file_src_get_size(file), BLOCK_SIZE);
}

4
test/test_rockridge.c
View File

@ -23,7 +23,7 @@ static void test_rrip_calc_len_file()
file = malloc(sizeof(IsoFile));
CU_ASSERT_PTR_NOT_NULL_FATAL(file);
file->msblock = 0;
file->from_old_session = 0;
file->sort_weight = 0;
file->stream = NULL; /* it is not needed here */
file->node.type = LIBISO_FILE;
@ -303,7 +303,7 @@ void test_rrip_get_susp_fields_file()
file = malloc(sizeof(IsoFile));
CU_ASSERT_PTR_NOT_NULL_FATAL(file);
file->msblock = 0;
file->from_old_session = 0;
file->sort_weight = 0;
file->stream = NULL; /* it is not needed here */
file->node.type = LIBISO_FILE;