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After 79d2eb29c755 it is no longer necessary to zero the output array:

Browse source 
None of the _mpd_shortadd() or _mpd_shortmul() functions read uninitialized
values. Previously zeroing was required since _mpd_real_size() was called
on the output array.
This commit is contained in:
Stefan Krah 2012-06-30 21:57:49 +02:00
parent 1abe1c5fe1
commit 5431e30853
1 changed files with 4 additions and 4 deletions
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8
Modules/_decimal/libmpdec/mpdecimal.c
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@ -7707,7 +7707,7 @@ _baseconv_to_smaller(uint32_t **w, size_t wlen, uint32_t wbase,
wlen = n+1;
}
(*w)[n++] = (uint32_t)_mpd_shortdiv_b(u, u, ulen, wbase, ubase);
/* ulen will be at least 1. u[ulen-1] can only be zero if ulen == 1 */
/* ulen is at least 1. u[ulen-1] can only be zero if ulen == 1. */
ulen = _mpd_real_size(u, ulen);
} while (u[ulen-1] != 0);
@ -8041,7 +8041,7 @@ mpd_qimport_u16(mpd_t *result,
usrc[n] = srcdata[n];
}
if (!mpd_qresize_zero(result, rlen, status)) {
if (!mpd_qresize(result, rlen, status)) {
goto finish;
}
@ -8084,7 +8084,7 @@ mpd_qimport_u32(mpd_t *result,
return;
}
if (!mpd_qresize_zero(result, rlen, status)) {
if (!mpd_qresize(result, rlen, status)) {
return;
}
@ -8094,7 +8094,7 @@ mpd_qimport_u32(mpd_t *result,
status);
#else
if (srcbase == MPD_RADIX) {
if (!mpd_qresize_zero(result, srclen, status)) {
if (!mpd_qresize(result, srclen, status)) {
return;
}
memcpy(result->data, srcdata, srclen * (sizeof *srcdata));