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translate: Don't crash translating root words that map to another list entry.

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If the list file contains a text replacement to another
entry in the list file, e.g.:

	ripost     riposte $text
	riposte    rI#p0st

calling it from a prefix or suffix rule such as 'riposted'
causes word_out[0] to be NULL, as TranslateWord3 has the
information needed to perform the mapping. In this case,
no phonemes have been written in this loop and the phonemes
have been calculated, so don't override them.
This commit is contained in:
Reece H. Dunn
2018-03-11 17:58:15 +00:00
parent ad4155e705
commit eaa08a2bc3
2 changed files with 25 additions and 3 deletions
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src/libespeak-ng/translate.c
+13 -1
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@@ -1207,7 +1207,19 @@ int TranslateWord(Translator *tr, char *word_start, WORD_TAB *wtab, char *word_o
while (!isspace(*word_out)) ++word_out;
while (isspace(*word_out)) ++word_out;
}
snprintf(word_phonemes, sizeof(word_phonemes), "%s", words_phonemes);
// If the list file contains a text replacement to another
// entry in the list file, e.g.:
// ripost riposte $text
// riposte rI#p0st
// calling it from a prefix or suffix rule such as 'riposted'
// causes word_out[0] to be NULL, as TranslateWord3 has the
// information needed to perform the mapping. In this case,
// no phonemes have been written in this loop and the phonemes
// have been calculated, so don't override them.
if (phonemes != words_phonemes) {
snprintf(word_phonemes, sizeof(word_phonemes), "%s", words_phonemes);
}
}
return flags;
}