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Incomplete output is not an error

This commit is contained in:
sin 2014-06-30 22:37:56 +01:00
parent 29bc0ce130
commit 135f6012cb
1 changed files with 6 additions and 9 deletions
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15
dmesg.c
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@ -8,7 +8,7 @@
#include "util.h"
static int dmesg_show(int fd, const void *buf, size_t n);
static void dmesg_show(int fd, const void *buf, size_t n);
enum {
SYSLOG_ACTION_READ_ALL = 3,
@ -60,9 +60,7 @@ main(int argc, char *argv[])
if (n < 0)
eprintf("klogctl:");
n = dmesg_show(STDOUT_FILENO, buf, n);
if (n < 0)
eprintf("dmesg_show:");
dmesg_show(STDOUT_FILENO, buf, n);
if (cflag && klogctl(SYSLOG_ACTION_CLEAR, NULL, 0) < 0)
eprintf("klogctl:");
@ -71,16 +69,15 @@ main(int argc, char *argv[])
return EXIT_SUCCESS;
}
static int
static void
dmesg_show(int fd, const void *buf, size_t n)
{
const char *p = buf;
ssize_t r;
r = write(fd, p, n);
if (r < 0 || (size_t)r != n)
return -1;
if (p[n - 1] != '\n')
if (r < 0)
eprintf("write:");
if (r > 0 && p[r - 1] != '\n')
putchar('\n');
return 0;
}