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[lib] create*socket(): return standard error code

This commit is contained in:
Matteo Cypriani 2011-08-26 11:29:44 +02:00
parent c52321a52b
commit 31bea165c5
1 changed files with 6 additions and 4 deletions
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10
libowlps/libowlps.c
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@ -137,7 +137,7 @@ uint_fast8_t owl_frequency_to_channel(const uint_fast16_t channel)
* 'time_ms' is an unsigned value, so please be careful: passing a * 'time_ms' is an unsigned value, so please be careful: passing a
* negative value may not do what you think. * negative value may not do what you think.
* In case of error, a message is displayed and a non-zero error code * In case of error, a message is displayed and a non-zero error code
* is returned. * is returned (if positive, it is the number of non-sleeped seconds).
*/ */
int owl_msleep(uint32_t time_ms) int owl_msleep(uint32_t time_ms)
{ {
@ -331,6 +331,7 @@ float owl_swap_float(const float f)
* description will be saved. * description will be saved.
* - client_description (in/out): the structure in which the client * - client_description (in/out): the structure in which the client
* description will be saved. * description will be saved.
* Returns a negative error code in case of error.
*/ */
int owl_create_udp_trx_socket(const char *const server_address, int owl_create_udp_trx_socket(const char *const server_address,
const uint_fast16_t server_port, const uint_fast16_t server_port,
@ -344,7 +345,7 @@ int owl_create_udp_trx_socket(const char *const server_address,
if (sockfd < 0) if (sockfd < 0)
{ {
perror("UDP socket creation failed") ; perror("UDP socket creation failed") ;
return sockfd ; return -OWL_ERR_SOCKET_CREATE ;
} }
/* Initialise the client structure */ /* Initialise the client structure */
@ -368,6 +369,7 @@ int owl_create_udp_trx_socket(const char *const server_address,
* Creates a UDP reception socket and returns its descriptor. * Creates a UDP reception socket and returns its descriptor.
* Parameters: * Parameters:
* - port: port on which the socket listens. * - port: port on which the socket listens.
* Returns a negative error code in case of error.
*/ */
int owl_create_udp_listening_socket(const uint_fast16_t port) int owl_create_udp_listening_socket(const uint_fast16_t port)
{ {
@ -380,7 +382,7 @@ int owl_create_udp_listening_socket(const uint_fast16_t port)
if (sockfd < 0) if (sockfd < 0)
{ {
perror("UDP socket creation failed") ; perror("UDP socket creation failed") ;
return sockfd ; return -OWL_ERR_SOCKET_CREATE ;
} }
/* Initialise the server structure */ /* Initialise the server structure */
@ -397,7 +399,7 @@ int owl_create_udp_listening_socket(const uint_fast16_t port)
{ {
perror("Cannot bind the UDP socket") ; perror("Cannot bind the UDP socket") ;
close(sockfd) ; close(sockfd) ;
return ret ; return -OWL_ERR_SOCKET_CREATE ;
} }
return sockfd ; return sockfd ;