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add error check

This commit is contained in:
Sunrim KIM (keen) 2014-07-18 15:47:36 +09:00
parent 2c1209ba63
commit c440629dbf
1 changed files with 4 additions and 1 deletions
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5
src/read.c
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@ -376,7 +376,10 @@ read_pipe(pic_state *pic, struct pic_port *port, char c)
case 'n': c = '\n'; break;
case 'r': c = '\r'; break;
case 'x':
for(size_t i = 0; (HEX_BUF[i++] = (next(port))) != ';' && i < sizeof HEX_BUF;);
for(size_t i = 0; (HEX_BUF[i] = next(port)) != ';'; i++) {
if (i >= sizeof HEX_BUF)
read_error(pic, "expected ';'");
}
c = (char)strtol(HEX_BUF, NULL, 16);
break;
}