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Make mempool optional in dm_split_lvm_name()

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This commit is contained in:
Alasdair Kergon 2009-06-03 11:40:23 +00:00
parent 99e45f71c2
commit 90cc3a0f05
3 changed files with 4 additions and 1 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.33 - Version 1.02.33 -
=============================== ===============================
Make mempool optional in dm_split_lvm_name().
Version 1.02.32 - 21st May 2009 Version 1.02.32 - 21st May 2009
=============================== ===============================

2
libdm/libdevmapper.h
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@ -819,6 +819,8 @@ int dm_set_selinux_context(const char *path, mode_t mode);
/* /*
* Break up the name of a mapped device into its constituent * Break up the name of a mapped device into its constituent
* Volume Group, Logical Volume and Layer (if present). * Volume Group, Logical Volume and Layer (if present).
* If mem is supplied, the result is allocated from the mempool.
* Otherwise the strings are changed in situ.
*/ */
int dm_split_lvm_name(struct dm_pool *mem, const char *dmname, int dm_split_lvm_name(struct dm_pool *mem, const char *dmname,
char **vgname, char **lvname, char **layer); char **vgname, char **lvname, char **layer);

2
libdm/libdm-string.c
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@ -93,7 +93,7 @@ static char *_unquote(char *component)
int dm_split_lvm_name(struct dm_pool *mem, const char *dmname, int dm_split_lvm_name(struct dm_pool *mem, const char *dmname,
char **vgname, char **lvname, char **layer) char **vgname, char **lvname, char **layer)
{ {
if (!(*vgname = dm_pool_strdup(mem, dmname))) if (mem && !(*vgname = dm_pool_strdup(mem, dmname)))
return 0; return 0;
_unquote(*layer = _unquote(*lvname = _unquote(*vgname))); _unquote(*layer = _unquote(*lvname = _unquote(*vgname)));