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Fix infinite loop! 

Untested code is indeed buggy code.

Mozilla bug #603352.
This commit is contained in:
Behdad Esfahbod 2010-10-12 12:32:18 -04:00
parent 993d1e786a
commit f4792d99ee
1 changed files with 2 additions and 4 deletions
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6
src/hb-ot-tag.c
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@ -630,13 +630,11 @@ hb_ot_tag_from_language (hb_language_t language)
char tag[4];
int i;
lang_str += 6;
i = 0;
#define IS_LETTER(c) (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z'))
#define TO_UPPER(c) (((c) >= 'a' && (c) <= 'z') ? (c) + 'A' - 'a' : (c))
while (i < 4 && IS_LETTER (lang_str[i])) {
for (i = 0; i < 4 && IS_LETTER (lang_str[i]); i++)
tag[i] = TO_UPPER (lang_str[i]);
}
while (i < 4)
for (; i < 4; i++)
tag[i] = ' ';
return HB_TAG_STR (tag);
}