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ensure to correctly terminate hex string with non-hex char(';')

This commit is contained in:
Sunrim KIM (keen) 2014-07-17 22:23:06 +09:00
parent 295d7fde31
commit b373ec433b
1 changed files with 4 additions and 3 deletions
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7
src/read.c
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@ -374,10 +374,11 @@ read_pipe(pic_state *pic, struct pic_port *port, char c)
case 'n': c = '\n'; break; case 'n': c = '\n'; break;
case 'r': c = '\r'; break; case 'r': c = '\r'; break;
case 'x':{ case 'x':{
char hex[2]; /* Currently supports only ascii chars */ /* Currently supports only ascii chars */
size_t s = 3; /* 2 bytes of hex + 1 byte of terminator(';')*/
char hex[s];
size_t i = 0; size_t i = 0;
while((c = (next(port))) != ';' && i < 6) while((hex[i++] = (next(port))) != ';' && i < s);
hex[i++] = c;
c = (char)strtol(hex, NULL, 16); c = (char)strtol(hex, NULL, 16);
break; break;
} }