diff options
Diffstat (limited to 'libgcompat')
-rw-r--r-- | libgcompat/socket.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libgcompat/socket.c b/libgcompat/socket.c new file mode 100644 index 0000000..927ebe4 --- /dev/null +++ b/libgcompat/socket.c @@ -0,0 +1,31 @@ +#include <assert.h> /* assert */ +#include <stddef.h> /* NULL */ +#include <sys/socket.h> /* recv, recvfrom */ + +/** + * Receive a message from a connected socket, with buffer overflow checking. + * + * LSB 5.0: LSB-Core-generic/baselib---recv-chk-1.html + */ +ssize_t __recv_chk(int fd, void *buf, size_t len, size_t buflen, int flags) +{ + assert(buf != NULL); + assert(buflen >= len); + + return recv(fd, buf, len, flags); +} + +/** + * Receive a message from a socket, with buffer overflow checking. + * + * LSB 5.0: LSB-Core-generic/baselib---recvfrom-chk-1.html + */ +ssize_t __recvfrom_chk(int fd, void *buf, size_t len, size_t buflen, int flags, + struct sockaddr *address, socklen_t *address_len) +{ + assert(buf != NULL); + assert(buflen >= len); + assert(address != NULL ? address_len != NULL : address_len == NULL); + + return recvfrom(fd, buf, len, flags, address, address_len); +} |