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| author | Poul-Henning Kamp <phk@FreeBSD.org> | 2004-09-27 08:24:05 +0000 |
|---|---|---|
| committer | Poul-Henning Kamp <phk@FreeBSD.org> | 2004-09-27 08:24:05 +0000 |
| commit | eb7b5f46a3ce11ed41362cfce1675da3932b8e17 (patch) | |
| tree | a326ef2de8b38bc0a539b12630bdb861546bea79 /usr.sbin | |
| parent | 2a61444749b956b25aacbbc2e3a07e4d83d59bc0 (diff) | |
| download | src-eb7b5f46a3ce11ed41362cfce1675da3932b8e17.tar.gz src-eb7b5f46a3ce11ed41362cfce1675da3932b8e17.zip | |
Stop on write error.
Notes
Notes:
svn path=/head/; revision=135852
Diffstat (limited to 'usr.sbin')
| -rw-r--r-- | usr.sbin/lpr/lptest/lptest.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/usr.sbin/lpr/lptest/lptest.c b/usr.sbin/lpr/lptest/lptest.c index c73b7962ed89..304296392e92 100644 --- a/usr.sbin/lpr/lptest/lptest.c +++ b/usr.sbin/lpr/lptest/lptest.c @@ -49,6 +49,7 @@ __FBSDID("$FreeBSD$"); #include <stdlib.h> #include <stdio.h> +#include <err.h> /* * lptest -- line printer test program (and other devices). @@ -75,11 +76,13 @@ main(int argc, char **argv) fc = ' '; nc = fc; for (j = 0; j < len; j++) { - putchar(nc); + if (putchar(nc) == EOF) + err(1, "Write error"); if (++nc == 0177) nc = ' '; } - putchar('\n'); + if (putchar('\n') == EOF) + err(1, "Write error"); } (void) fflush(stdout); exit(0); |