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Check that the pointer isn't NULL before dereferencing it, just to be safe and to allow using bufgetdata to know how much data is available. Also remove a few trailing spaces.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15940 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nicolas Pennequin 2007-12-16 01:38:56 +00:00
parent a2aec46f04
commit ecec94043d
1 changed files with 5 additions and 3 deletions
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8
apps/buffering.c
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@ -1135,7 +1135,9 @@ ssize_t bufgetdata(int handle_id, size_t size, void **data)
memcpy(guard_buffer, (unsigned char *)buffer, copy_n);
}
*data = &buffer[h->ridx];
if (data)
*data = &buffer[h->ridx];
return size;
}
@ -1144,7 +1146,7 @@ ssize_t bufgettail(int handle_id, size_t size, void **data)
size_t tidx;
const struct memory_handle *h;
h = find_handle(handle_id);
if (!h)
@ -1172,7 +1174,7 @@ ssize_t bufgettail(int handle_id, size_t size, void **data)
ssize_t bufcuttail(int handle_id, size_t size)
{
struct memory_handle *h;
h = find_handle(handle_id);
if (!h)