diff options
Diffstat (limited to 'wiretap/netmon.c')
| -rw-r--r-- | wiretap/netmon.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/wiretap/netmon.c b/wiretap/netmon.c index 7aeb64a69b..614660433f 100644 --- a/wiretap/netmon.c +++ b/wiretap/netmon.c @@ -1,6 +1,6 @@ /* netmon.c * - * $Id: netmon.c,v 1.15 1999/09/24 05:49:51 guy Exp $ + * $Id: netmon.c,v 1.16 1999/10/05 07:06:06 guy Exp $ * * Wiretap Library * Copyright (c) 1998 by Gilbert Ramirez <gram@verdict.uthscsa.edu> @@ -122,10 +122,9 @@ int netmon_open(wtap *wth, int *err) errno = WTAP_ERR_CANT_READ; bytes_read = file_read(magic, 1, sizeof magic, wth->fh); if (bytes_read != sizeof magic) { - if (file_error(wth->fh)) { - *err = errno; + *err = file_error(wth->fh); + if (*err != 0) return -1; - } return 0; } @@ -138,10 +137,9 @@ int netmon_open(wtap *wth, int *err) errno = WTAP_ERR_CANT_READ; bytes_read = file_read(&hdr, 1, sizeof hdr, wth->fh); if (bytes_read != sizeof hdr) { - if (file_error(wth->fh)) { - *err = errno; + *err = file_error(wth->fh); + if (*err != 0) return -1; - } return 0; } @@ -254,10 +252,9 @@ static int netmon_read(wtap *wth, int *err) errno = WTAP_ERR_CANT_READ; bytes_read = file_read(&hdr, 1, hdr_size, wth->fh); if (bytes_read != hdr_size) { - if (file_error(wth->fh)) { - *err = errno; + *err = file_error(wth->fh); + if (*err != 0) return -1; - } if (bytes_read != 0) { *err = WTAP_ERR_SHORT_READ; return -1; @@ -293,9 +290,8 @@ static int netmon_read(wtap *wth, int *err) packet_size, wth->fh); if (bytes_read != packet_size) { - if (file_error(wth->fh)) - *err = errno; - else + *err = file_error(wth->fh); + if (*err == 0) *err = WTAP_ERR_SHORT_READ; return -1; } |