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Bug fix: Appending partitions 5 to 8 caused damaged ISO filesystems if not for SUN disk label

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Thomas Schmitt
2019-01-15 16:26:56 +01:00
parent 4064a7e0ee
commit a1e75003b5
3 changed files with 40 additions and 19 deletions
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22
libisofs/ecma119.c
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@ -4601,13 +4601,13 @@ ex: /* LIBISO_ALLOC_MEM failed */
}
/* Obtains start and end number of appended partition range and returns
the number of valid entries in the list of appended partitions.
/* Determines the range of valid partition numbers depending on partition
table type.
*/
int iso_count_appended_partitions(Ecma119Image *target,
int *first_partition, int *last_partition)
void iso_tell_max_part_range(Ecma119Image *target,
int *first_partition, int *last_partition)
{
int sa_type, i, count= 0;
int sa_type;
sa_type = (target->system_area_options >> 2) & 0x3f;
if (sa_type == 3) { /* SUN Disk Label */
@ -4617,6 +4617,18 @@ int iso_count_appended_partitions(Ecma119Image *target,
*first_partition = 1;
*last_partition = 4;
}
}
/* Obtains start and end number of appended partition range and returns
the number of valid entries in the list of appended partitions.
*/
int iso_count_appended_partitions(Ecma119Image *target,
int *first_partition, int *last_partition)
{
int i, count= 0;
iso_tell_max_part_range(target, first_partition, last_partition);
for (i = *first_partition - 1; i <= *last_partition - 1; i++) {
if (target->opts->appended_partitions[i] == NULL)
continue;