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rx: code shrink

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function                                             old     new   delta
rx_main                                              961     947     -14

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2011-11-03 10:19:53 +01:00
parent f808e777db
commit f3efd3c2a0
1 changed files with 7 additions and 13 deletions
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20
miscutils/rx.c
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@ -108,12 +108,10 @@ static int receive(/*int read_fd, */int file_fd)
} }
} }
/* Write previously received block */ /* Write previously received block */
if (blockLength) { errno = 0;
errno = 0; if (full_write(file_fd, blockBuf, blockLength) != blockLength) {
if (full_write(file_fd, blockBuf, blockLength) != blockLength) { bb_perror_msg(bb_msg_write_error);
bb_perror_msg("can't write to file"); goto fatal;
goto fatal;
}
} }
timeout = TIMEOUT; timeout = TIMEOUT;
@ -155,17 +153,13 @@ static int receive(/*int read_fd, */int file_fd)
blockBuf[i] = cc; blockBuf[i] = cc;
} }
cksum_or_crc = read_byte(TIMEOUT);
if (cksum_or_crc < 0)
goto timeout;
if (do_crc) { if (do_crc) {
cksum_or_crc = read_byte(TIMEOUT);
if (cksum_or_crc < 0)
goto timeout;
cksum_or_crc = (cksum_or_crc << 8) | read_byte(TIMEOUT); cksum_or_crc = (cksum_or_crc << 8) | read_byte(TIMEOUT);
if (cksum_or_crc < 0) if (cksum_or_crc < 0)
goto timeout; goto timeout;
} else {
cksum_or_crc = read_byte(TIMEOUT);
if (cksum_or_crc < 0)
goto timeout;
} }
if (blockNo == ((wantBlockNo - 1) & 0xff)) { if (blockNo == ((wantBlockNo - 1) & 0xff)) {