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lib: Avoid using assignments within checks
Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
This commit is contained in:
parent
11dbcdd35c
commit
0e2d70760d
24
lib/buffer.c
24
lib/buffer.c
@ -357,7 +357,8 @@ buffer_status_t buffer_flush_window(struct buffer *b, int fd, int width,
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iov_size =
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((iov_index > IOV_MAX) ? IOV_MAX : iov_index);
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if ((nbytes = writev(fd, c_iov, iov_size)) < 0) {
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nbytes = writev(fd, c_iov, iov_size);
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if (nbytes < 0) {
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flog_err(EC_LIB_SOCKET,
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"%s: writev to fd %d failed: %s",
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__func__, fd, safe_strerror(errno));
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@ -370,7 +371,8 @@ buffer_status_t buffer_flush_window(struct buffer *b, int fd, int width,
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}
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}
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#else /* IOV_MAX */
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if ((nbytes = writev(fd, iov, iov_index)) < 0)
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nbytes = writev(fd, iov, iov_index);
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if (nbytes < 0)
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flog_err(EC_LIB_SOCKET, "%s: writev to fd %d failed: %s",
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__func__, fd, safe_strerror(errno));
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#endif /* IOV_MAX */
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@ -472,13 +474,17 @@ buffer_status_t buffer_write(struct buffer *b, int fd, const void *p,
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/* Buffer is not empty, so do not attempt to write the new data.
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*/
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nbytes = 0;
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else if ((nbytes = write(fd, p, size)) < 0) {
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if (ERRNO_IO_RETRY(errno))
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nbytes = 0;
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else {
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flog_err(EC_LIB_SOCKET, "%s: write error on fd %d: %s",
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__func__, fd, safe_strerror(errno));
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return BUFFER_ERROR;
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else {
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nbytes = write(fd, p, size);
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if (nbytes < 0) {
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if (ERRNO_IO_RETRY(errno))
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nbytes = 0;
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else {
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flog_err(EC_LIB_SOCKET,
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"%s: write error on fd %d: %s",
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__func__, fd, safe_strerror(errno));
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return BUFFER_ERROR;
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}
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}
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}
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/* Add any remaining data to the buffer. */
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@ -641,7 +641,8 @@ static int get_memory_usage(pid_t pid)
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char *vm;
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snprintf(status_child, sizeof(status_child), "/proc/%d/status", pid);
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if ((fd = open(status_child, O_RDONLY)) < 0)
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fd = open(status_child, O_RDONLY);
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if (fd < 0)
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return -1;
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read(fd, buf, 4095);
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@ -78,7 +78,8 @@ int set_nonblocking(int fd)
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/* According to the Single UNIX Spec, the return value for F_GETFL
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should
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never be negative. */
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if ((flags = fcntl(fd, F_GETFL)) < 0) {
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flags = fcntl(fd, F_GETFL);
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if (flags < 0) {
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flog_err(EC_LIB_SYSTEM_CALL,
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"fcntl(F_GETFL) failed for fd %d: %s", fd,
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safe_strerror(errno));
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14
lib/ntop.c
14
lib/ntop.c
@ -40,14 +40,18 @@ static inline void putbyte(uint8_t bytex, char **posx)
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bool zero = false;
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int byte = bytex, tmp, a, b;
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if ((tmp = byte - 200) >= 0) {
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tmp = byte - 200;
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if (tmp >= 0) {
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*pos++ = '2';
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zero = true;
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byte = tmp;
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} else if ((tmp = byte - 100) >= 0) {
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*pos++ = '1';
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zero = true;
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byte = tmp;
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} else {
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tmp = byte - 100;
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if (tmp >= 0) {
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*pos++ = '1';
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zero = true;
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byte = tmp;
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}
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}
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/* make sure the compiler knows the value range of "byte" */
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@ -1034,7 +1034,8 @@ const char *prefix2str(union prefixconstptr pu, char *str, int size)
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l = strlen(buf);
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buf[l++] = '/';
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byte = p->prefixlen;
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if ((tmp = p->prefixlen - 100) >= 0) {
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tmp = p->prefixlen - 100;
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if (tmp >= 0) {
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buf[l++] = '1';
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z = true;
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byte = tmp;
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@ -379,14 +379,14 @@ static int setsockopt_ipv4_ifindex(int sock, ifindex_t val)
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int ret;
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#if defined(IP_PKTINFO)
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if ((ret = setsockopt(sock, IPPROTO_IP, IP_PKTINFO, &val, sizeof(val)))
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< 0)
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ret = setsockopt(sock, IPPROTO_IP, IP_PKTINFO, &val, sizeof(val));
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if (ret < 0)
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flog_err(EC_LIB_SOCKET,
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"Can't set IP_PKTINFO option for fd %d to %d: %s",
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sock, val, safe_strerror(errno));
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#elif defined(IP_RECVIF)
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if ((ret = setsockopt(sock, IPPROTO_IP, IP_RECVIF, &val, sizeof(val)))
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< 0)
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ret = setsockopt(sock, IPPROTO_IP, IP_RECVIF, &val, sizeof(val));
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if (ret < 0)
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flog_err(EC_LIB_SOCKET,
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"Can't set IP_RECVIF option for fd %d to %d: %s", sock,
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val, safe_strerror(errno));
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@ -639,12 +639,8 @@ int sockopt_tcp_signature_ext(int sock, union sockunion *su, uint16_t prefixlen,
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#endif /* GNU_LINUX */
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if ((ret = setsockopt(sock, IPPROTO_TCP, optname, &md5sig,
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sizeof(md5sig)))
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< 0) {
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/* ENOENT is harmless. It is returned when we clear a password
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for which
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one was not previously set. */
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ret = setsockopt(sock, IPPROTO_TCP, optname, &md5sig, sizeof(md5sig));
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if (ret < 0) {
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if (ENOENT == errno)
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ret = 0;
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else
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@ -1097,7 +1097,8 @@ ssize_t stream_read_try(struct stream *s, int fd, size_t size)
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return -1;
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}
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if ((nbytes = read(fd, s->data + s->endp, size)) >= 0) {
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nbytes = read(fd, s->data + s->endp, size);
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if (nbytes >= 0) {
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s->endp += nbytes;
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return nbytes;
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}
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@ -1126,9 +1127,8 @@ ssize_t stream_recvfrom(struct stream *s, int fd, size_t size, int flags,
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return -1;
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}
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if ((nbytes = recvfrom(fd, s->data + s->endp, size, flags, from,
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fromlen))
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>= 0) {
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nbytes = recvfrom(fd, s->data + s->endp, size, flags, from, fromlen);
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if (nbytes >= 0) {
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s->endp += nbytes;
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return nbytes;
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}
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@ -3798,7 +3798,8 @@ static int zclient_read(struct thread *thread)
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zclient->t_read = NULL;
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/* Read zebra header (if we don't have it already). */
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if ((already = stream_get_endp(zclient->ibuf)) < ZEBRA_HEADER_SIZE) {
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already = stream_get_endp(zclient->ibuf);
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if (already < ZEBRA_HEADER_SIZE) {
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ssize_t nbyte;
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if (((nbyte = stream_read_try(zclient->ibuf, zclient->sock,
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ZEBRA_HEADER_SIZE - already))
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@ -3811,7 +3812,6 @@ static int zclient_read(struct thread *thread)
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return zclient_failed(zclient);
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}
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if (nbyte != (ssize_t)(ZEBRA_HEADER_SIZE - already)) {
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/* Try again later. */
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zclient_event(ZCLIENT_READ, zclient);
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return 0;
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}
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