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bug 153562

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crash trashes user directory, requires new profile
avoid BOM at iconv() for Solaris platform
patch from jk@tools.de
a=asa,r=Roland.Mainz@informatik.med.uni-giessen.de,sr=darin
This commit is contained in:
katakai%japan.sun.com 2002-07-30 00:58:36 +00:00
parent 5c754de32d
commit 4100197436
1 changed files with 29 additions and 0 deletions
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29
xpcom/io/nsNativeCharsetUtils.cpp
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@ -283,6 +283,35 @@ nsNativeCharsetConverter::LazyInit()
NS_ASSERTION(gUnicodeToNative != INVALID_ICONV_T, "no ucs-2 to native converter");
#endif
/*
* On Solaris 8 (and newer?), the iconv modules converting to UCS-2
* prepend a byte order mark unicode character (BOM, u+FEFF) during
* the first use of the iconv converter.
*
* This dummy conversion gets rid of the BOMs and fixes bugid 153562.
*/
char dummy_input[1] = { ' ' };
char dummy_output[4];
if (gNativeToUnicode != INVALID_ICONV_T) {
const char *input = dummy_input;
size_t input_left = sizeof(dummy_input);
char *output = dummy_output;
size_t output_left = sizeof(dummy_output);
xp_iconv(gNativeToUnicode, &input, &input_left, &output, &output_left);
}
#if defined(ENABLE_UTF8_FALLBACK_SUPPORT)
if (gUTF8ToUnicode != INVALID_ICONV_T) {
const char *input = dummy_input;
size_t input_left = sizeof(dummy_input);
char *output = dummy_output;
size_t output_left = sizeof(dummy_output);
xp_iconv(gUTF8ToUnicode, &input, &input_left, &output, &output_left);
}
#endif
gInitialized = PR_TRUE;
}