warp-vpn

simple point to point tunnel
git clone git://git.2f30.org/warp-vpn.git
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commit dece4a841bcbda6b10b5ec0ab944a88c79b89e9e
parent 50f2f564028ce0f1e114a1ec7fc592c77c3f3f45
Author: sin <sin@2f30.org>
Date:   Thu Mar 24 10:25:18 +0000

unify error handling for tun tap

we are not supposed to fail reading/writing from/to these devices

Diffstat:
stun.c | 16++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/stun.c b/stun.c @@ -254,8 +254,12 @@ writedev(int fd, unsigned char *buf, int len) uint32_t type = htonl(AF_INET); int n; - if (devtype == TAPDEV) - return write(fd, buf, len); + if (devtype == TAPDEV) { + n = write(fd, buf, len); + if (n < 0) + logerr("write failed"); + return n; + } iov[0].iov_base = &type; iov[0].iov_len = sizeof(type); @@ -276,8 +280,12 @@ readdev(int fd, unsigned char *buf, int len) uint32_t type; int n; - if (devtype == TAPDEV) - return read(fd, buf, len); + if (devtype == TAPDEV) { + n = read(fd, buf, len); + if (n < 0) + logerr("read failed"); + return n; + } iov[0].iov_base = &type; iov[0].iov_len = sizeof(type);