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authorGravatar Nikias Bassen2019-01-18 20:43:47 +0100
committerGravatar Nikias Bassen2019-01-18 20:43:47 +0100
commitc75605d862cd1c312494f6c715246febc26b2e05 (patch)
tree65310c287d9f996f79bb6b69ca47564b090e43a5 /src/libusbmuxd.c
parent9db5747cd823b1f59794f81560a4af22a031f5c9 (diff)
downloadlibusbmuxd-c75605d862cd1c312494f6c715246febc26b2e05.tar.gz
libusbmuxd-c75605d862cd1c312494f6c715246febc26b2e05.tar.bz2
Return meaningful error codes from usbmuxd_connect()
Diffstat (limited to 'src/libusbmuxd.c')
-rw-r--r--src/libusbmuxd.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/src/libusbmuxd.c b/src/libusbmuxd.c
index 26d0465..537c351 100644
--- a/src/libusbmuxd.c
+++ b/src/libusbmuxd.c
@@ -1374,14 +1374,14 @@ USBMUXD_API int usbmuxd_connect(const uint32_t handle, const unsigned short port
int sfd;
int tag;
int connected = 0;
- uint32_t res = -1;
+ int result = EBADF;
retry:
sfd = connect_usbmuxd_socket();
if (sfd < 0) {
- LIBUSBMUXD_DEBUG(1, "%s: Error: Connection to usbmuxd failed: %s\n",
- __func__, strerror(errno));
- return sfd;
+ result = errno;
+ LIBUSBMUXD_DEBUG(1, "%s: Error: Connection to usbmuxd failed: %s\n", __func__, strerror(result));
+ return -result;
}
tag = ++use_tag;
@@ -1389,6 +1389,7 @@ retry:
LIBUSBMUXD_DEBUG(1, "%s: Error sending connect message!\n", __func__);
} else {
// read ACK
+ uint32_t res = -1;
LIBUSBMUXD_DEBUG(2, "%s: Reading connect result...\n", __func__);
if (usbmuxd_get_result(sfd, tag, &res, NULL) == 1) {
if (res == 0) {
@@ -1401,6 +1402,13 @@ retry:
goto retry;
}
LIBUSBMUXD_DEBUG(1, "%s: Connect failed, Error code=%d\n", __func__, res);
+ if (res == RESULT_CONNREFUSED) {
+ result = ECONNREFUSED;
+ } else if (res == RESULT_BADDEV) {
+ result = ENODEV;
+ } else {
+ result = EBADF;
+ }
}
}
}
@@ -1411,7 +1419,7 @@ retry:
socket_close(sfd);
- return -1;
+ return -result;
}
USBMUXD_API int usbmuxd_disconnect(int sfd)