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Cosmetics.

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This commit is contained in:
Moritz Bunkus 2009-04-30 19:37:07 +02:00
parent c0f2ee61ee
commit 3457462246
1 changed files with 7 additions and 11 deletions
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18
src/common/mm_io.cpp
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@ -968,20 +968,16 @@ mm_mem_io_c::getFilePointer() {
void
mm_mem_io_c::setFilePointer(int64 offset,
seek_mode mode) {
int64_t npos;
if (((mem == NULL) && (ro_mem == NULL)) || (mem_size == 0))
if (((NULL == mem) && (NULL == ro_mem)) || (0 == mem_size))
throw error_c(Y("wrong usage: read-only with NULL memory"));
if (mode == seek_beginning)
npos = offset;
else if (mode == seek_end)
npos = mem_size - offset;
else
npos = pos + offset;
int64_t new_pos
= seek_beginning == mode ? offset
: seek_end == mode ? mem_size - offset
: pos + offset;
if ((0 <= npos) && (mem_size >= npos))
pos = npos;
if ((0 <= new_pos) && (mem_size >= new_pos))
pos = new_pos;
else
throw mm_io_seek_error_c();
}