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* grub-core/lib/reed_solomon.c (grub_reed_solomon_add_redundancy): Add

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an assert.
	* util/grub-setup.c (setup): Likewise.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-12-23 10:23:41 +01:00
parent 1f0b1a7730
commit 31355584f1
2 changed files with 15 additions and 0 deletions
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11
grub-core/lib/reed_solomon.c
View file

@ -25,6 +25,10 @@
#define grub_memcpy memcpy
#endif
#ifndef STANDALONE
#include <assert.h>
#endif
#ifndef STANDALONE
#ifdef TEST
typedef unsigned int grub_size_t;
@ -456,6 +460,10 @@ grub_reed_solomon_add_redundancy (void *buffer, grub_size_t data_size,
grub_size_t rs = redundancy;
gf_single_t *ptr = buffer;
gf_single_t *rptr = ptr + s;
void *tmp;
tmp = xmalloc (data_size);
grub_memcpy (tmp, buffer, data_size);
/* Nothing to do. */
if (!rs)
@ -481,6 +489,9 @@ grub_reed_solomon_add_redundancy (void *buffer, grub_size_t data_size,
s -= cs;
rs -= crs;
}
assert (grub_memcmp (tmp, buffer, data_size) == 0);
free (tmp);
}
#endif

4
util/grub-setup.c
View file

@ -448,10 +448,14 @@ setup (const char *dir,
+ GRUB_KERNEL_I386_PC_REED_SOLOMON_REDUNDANCY)
= grub_host_to_target32 (nsec * GRUB_DISK_SECTOR_SIZE - core_size);
void *tmp = xmalloc (core_size);
grub_memcpy (tmp, core_img, core_size);
grub_reed_solomon_add_redundancy (core_img + GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART + GRUB_DISK_SECTOR_SIZE,
core_size - GRUB_KERNEL_I386_PC_NO_REED_SOLOMON_PART - GRUB_DISK_SECTOR_SIZE,
nsec * GRUB_DISK_SECTOR_SIZE
- core_size);
assert (grub_memcmp (tmp, core_img, core_size) == 0);
free (tmp);
/* Make sure that the second blocklist is a terminator. */
block = first_block - 1;