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Prevent TranslateRoman reading stack data from Lookup.

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Reece H. Dunn
2018-03-22 20:12:35 +00:00
parent b24db06a84
commit 7dad0dfd40
1 changed files with 6 additions and 2 deletions
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src/libespeak-ng/dictionary.c
+6 -2
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@@ -2980,8 +2980,12 @@ int Lookup(Translator *tr, const char *word, char *ph_out)
if (flags[0] & FLAG_TEXTMODE) {
say_as = option_sayas;
option_sayas = 0; // don't speak replacement word as letter names
strncpy0(text, word1, sizeof(text));
flags0 = TranslateWord(tr, text, NULL, NULL);
// NOTE: TranslateRoman checks text[-2], so pad the start of text to prevent
// it reading data on the stack.
text[0] = ' ';
text[1] = ' ';
strncpy0(text+2, word1, sizeof(text)-2);
flags0 = TranslateWord(tr, text+2, NULL, NULL);
strcpy(ph_out, word_phonemes);
option_sayas = say_as;
}