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system: make system functions return error on error

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Return -errno from system functions instead of -1 in errors. This
makes it easier to pass along the result without having to go to
errno etc..
This commit is contained in:
Wim Taymans 2019-06-20 17:31:29 +02:00
parent 03eeb945f3
commit 5b7e95c71c
9 changed files with 154 additions and 157 deletions
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4
src/modules/module-protocol-native/connection.c
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@ -74,7 +74,7 @@ struct impl {
*
* \param conn the connection
* \param index the index of the fd to get
* \return the fd at \a index or -1 when no such fd exists
* \return the fd at \a index or -ENOENT when no such fd exists
*
* \memberof pw_protocol_native_connection
*/
@ -84,7 +84,7 @@ int pw_protocol_native_connection_get_fd(struct pw_protocol_native_connection *c
struct buffer *buf = &impl->in;
if (index >= buf->msg.n_fds)
return -1;
return -ENOENT;
return buf->msg.fds[index];
}