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Changed Ungetch behaviour (FIFO -> LIFO).

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3912 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Guilhem Lavaux
1999-10-10 11:36:39 +00:00
parent bc29c5e0e1
commit 783ff666e0
1 changed files with 10 additions and 5 deletions
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15
src/common/stream.cpp
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@@ -480,7 +480,9 @@ wxInputStream::~wxInputStream()
char *wxInputStream::AllocSpaceWBack(size_t needed_size)
{
char *temp_b;
size_t old_size;
old_size = m_wbacksize;
m_wbacksize += needed_size;
if (!m_wback)
@@ -491,13 +493,16 @@ char *wxInputStream::AllocSpaceWBack(size_t needed_size)
if (!temp_b)
return NULL;
m_wback = temp_b;
m_wbackcur += needed_size;
memmove(m_wback+needed_size, m_wback, old_size);
return (char *)(m_wback+(m_wbacksize-needed_size));
return (char *)(m_wback);
}
size_t wxInputStream::GetWBack(char *buf, size_t bsize)
{
size_t s_toget = m_wbacksize-m_wbackcur;
size_t s_toget = m_wbackcur;
if (!m_wback)
return 0;
@@ -505,10 +510,10 @@ size_t wxInputStream::GetWBack(char *buf, size_t bsize)
if (bsize < s_toget)
s_toget = bsize;
memcpy(buf, (m_wback+m_wbackcur), s_toget);
memcpy(buf, (m_wback+m_wbackcur-bsize), s_toget);
m_wbackcur += s_toget;
if (m_wbackcur == m_wbacksize) {
m_wbackcur -= s_toget;
if (m_wbackcur == 0) {
free(m_wback);
m_wback = (char *)NULL;
m_wbacksize = 0;