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redirect: Use err.h functions for error handling

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2017-11-11 13:58:35 +01:00
parent 5929295c37
commit 71e6d78fdc
1 changed files with 7 additions and 5 deletions
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examples/redirect.c
+7 -5
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@@ -12,6 +12,8 @@
* reading from stdin as a special case.
*/
#include <err.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
@@ -24,18 +26,18 @@ void process_stdin(uev_t *w, void *arg, int events)
len = read(w->fd, buf, sizeof(buf));
if (len == -1) {
perror("Error reading from stdin");
warn("Error reading from stdin");
return;
}
if (len == 0) {
fprintf(stderr, "Connection closed.\n");
warnx("Connection closed.");
return;
}
fprintf(stdout, "Read %d bytes\n", len);
printf("Read %d bytes\n", len);
if (write(STDOUT_FILENO, buf, len) != len)
perror("Failed writing to stdout");
warn("Failed writing to stdout");
}
int main(int argc, char **argv)
@@ -48,7 +50,7 @@ int main(int argc, char **argv)
ret = uev_io_init(&ctx, &watcher, process_stdin, NULL, STDIN_FILENO, UEV_READ);
if (ret)
perror("Failed setting up STDIN watcher");
err(errno, "Failed setting up STDIN watcher");
return uev_run(&ctx, 0);
}