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In sendto() and write(), make sure all pointer arithmetic is in byte

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sized units.
This commit is contained in:
Nicholas J. Kain 2010-11-13 05:59:15 -05:00
parent 502419c598
commit f59ccfb5b0
1 changed files with 2 additions and 2 deletions
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4
ndhc/packet.c
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@ -152,7 +152,7 @@ int raw_packet(struct dhcpMessage *payload, uint32_t source_ip,
int remain = sizeof(struct udp_dhcp_packet);
int sent = 0;
while (1) {
result = sendto(fd, &packet + sent, remain - sent, 0,
result = sendto(fd, ((char *)&packet) + sent, remain - sent, 0,
(struct sockaddr *)&dest, sizeof dest);
if (result == -1) {
if (errno == EINTR)
@ -202,7 +202,7 @@ int kernel_packet(struct dhcpMessage *payload, uint32_t source_ip,
int remain = sizeof(struct dhcpMessage);
int sent = 0;
while (1) {
result = write(fd, payload + sent, remain - sent);
result = write(fd, ((char *)payload) + sent, remain - sent);
if (result == -1) {
if (errno == EINTR)
continue;