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* grub-core/script/lexer.c (grub_script_lexer_init): Don't look before

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the begining of the string
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-28 15:35:43 +02:00
parent 2053cc077b
commit 3c7079670d
2 changed files with 6 additions and 1 deletions
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2
grub-core/script/lexer.c
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@ -236,7 +236,7 @@ grub_script_lexer_init (struct grub_parser_param *parser, char *script,
script = script ? : "\n";
len = grub_strlen (script);
if (script[len - 1] == '\n')
if (len != 0 && script[len - 1] == '\n')
{
buffer = yy_scan_string (script, lexerstate->yyscanner);
}