Add functions ext2fs_get_memzero() which will malloc() the memory
using ext2fs_get_mem(), but it will zero the allocated memory afterwards
with memset().
Add function ext2fs_get_arrayzero() which will use calloc() for
allocating and zero-out the array.
Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
---
lib/ext2fs/ext2fs.h | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index d3eb31d..4aff26d 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -1404,6 +1404,17 @@ _INLINE_ errcode_t ext2fs_get_memalign(unsigned long size,
return 0;
}
+_INLINE_ errcode_t ext2fs_get_memzero(unsigned long size, void *ptr)
+{
+ errcode_t retval;
+
+ retval = ext2fs_get_mem(size, ptr);
+ if (retval)
+ return retval;
+ memset(ptr, 0, size);
+ return 0;
+}
+
_INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr)
{
if (count && (-1UL)/count<size)
@@ -1411,6 +1422,19 @@ _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, voi
return ext2fs_get_mem(count*size, ptr);
}
+_INLINE_ errcode_t ext2fs_get_arrayzero(unsigned long count, unsigned long size, void *ptr)
+{
+ void *pp;
+
+ if (count && (-1UL)/count<size)
+ return EXT2_ET_NO_MEMORY; //maybe define EXT2_ET_OVERFLOW ?
+ pp = calloc(count, size);
+ if (!pp)
+ return EXT2_ET_NO_MEMORY;
+ memcpy(ptr, &pp, sizeof (pp));
+ return 0;
+}
+
/*
* Free memory
*/
--
1.7.4.4
--
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