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examples: Check return values of write.

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This commit is contained in:
Andreas Schneider
2011-02-05 11:20:24 +01:00
parent 8f850585dd
commit 9e40e60bc4
1 changed files with 14 additions and 3 deletions
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17
examples/sshnetcat.c
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@ -125,8 +125,14 @@ static void select_loop(ssh_session session,ssh_channel channel){
channel_free(channel); channel_free(channel);
channel=channels[0]=NULL; channel=channels[0]=NULL;
} else } else {
write(1,buffer,lus); ret = write(1, buffer, lus);
if (ret < 0) {
fprintf(stderr, "Error writing to stdin: %s",
strerror(errno));
return;
}
}
} }
while(channel && channel_is_open(channel) && channel_poll(channel,1)){ /* stderr */ while(channel && channel_is_open(channel) && channel_poll(channel,1)){ /* stderr */
lus=channel_read(channel,buffer,sizeof(buffer),1); lus=channel_read(channel,buffer,sizeof(buffer),1);
@ -141,7 +147,12 @@ static void select_loop(ssh_session session,ssh_channel channel){
channel_free(channel); channel_free(channel);
channel=channels[0]=NULL; channel=channels[0]=NULL;
} else } else
write(2,buffer,lus); ret = write(2, buffer, lus);
if (ret < 0) {
fprintf(stderr, "Error writing to stderr: %s",
strerror(errno));
return;
}
} }
} }
if(channel && channel_is_closed(channel)){ if(channel && channel_is_closed(channel)){