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* grub-core/kern/partition.c (grub_partition_get_name): Fix reverse

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iteration of partitions.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2012-02-08 19:53:46 +01:00
parent 9c4b5c13e6
commit 0e1c1f61b6
2 changed files with 23 additions and 7 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-02-08 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/kern/partition.c (grub_partition_get_name): Fix reverse
iteration of partitions.
2012-02-08 Vladimir Serbinenko <phcoder@gmail.com>
Improve gettext support. Stylistic fixes and error handling fixes while

25
grub-core/kern/partition.c
View file

@ -224,22 +224,33 @@ char *
grub_partition_get_name (const grub_partition_t partition)
{
char *out = 0, *ptr;
grub_size_t needlen = 0;
grub_size_t needlen;
grub_partition_t part;
if (!partition)
return grub_strdup ("");
for (part = partition; part; part = part->parent)
/* Even on 64-bit machines this buffer is enough to hold
longest number. */
needlen += grub_strlen (part->partmap->name) + 27;
out = grub_malloc (needlen);
needlen += grub_strlen (part->partmap->name) + 1 + 27;
out = grub_malloc (needlen + 1);
if (!out)
return NULL;
ptr = out;
ptr = out + needlen;
*ptr = 0;
for (part = partition; part; part = part->parent)
{
grub_snprintf (ptr, needlen - (out - ptr), "%s%d", part->partmap->name,
part->number + 1);
ptr += grub_strlen (ptr);
char buf[27];
grub_size_t len;
grub_snprintf (buf, sizeof (buf), "%d", part->number + 1);
len = grub_strlen (buf);
ptr -= len;
grub_memcpy (ptr, buf, len);
len = grub_strlen (part->partmap->name);
ptr -= len;
grub_memcpy (ptr, part->partmap->name, len);
*--ptr = ',';
}
grub_memmove (out, ptr + 1, out + needlen - ptr);
return out;
}