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don't crash if used in iconv-like fashion

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16588 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2002-08-18 17:23:08 +00:00
parent e492150d40
commit 49dd9820ac
1 changed files with 10 additions and 5 deletions
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15
src/common/strconv.cpp
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@@ -662,8 +662,11 @@ size_t IC_CharSet::MB2WC(wchar_t *buf, const char *psz, size_t n)
WC_BSWAP(buf /* _not_ bufPtr */, res) WC_BSWAP(buf /* _not_ bufPtr */, res)
} }
// iconv doesn't seem to set the trailing 0 // NB: iconv was given only strlen(psz) characters on input, and so
buf[res] = 0; // it couldn't convert the trailing zero. Let's do it ourselves
// if there's some room left for it in the output buffer.
if (res < n)
buf[res] = 0;
} }
else else
{ {
@@ -724,9 +727,11 @@ size_t IC_CharSet::WC2MB(char *buf, const wchar_t *psz, size_t n)
res = n-outbuf; res = n-outbuf;
// iconv() doesn't set the trailing zero, but moves buf to // NB: iconv was given only wcslen(psz) characters on input, and so
// that position // it couldn't convert the trailing zero. Let's do it ourselves
buf[0] = 0; // if there's some room left for it in the output buffer.
if (res < n)
buf[0] = 0;
} }
else else
{ {