diff options
| author | Dario Lombardo <lomato@gmail.com> | 2017-12-22 17:21:25 +0100 |
|---|---|---|
| committer | Michael Mann <mmann78@netscape.net> | 2017-12-23 01:31:31 +0000 |
| commit | 271d6c14ef598e18e335a932d466265376ac6c6f (patch) | |
| tree | 747941b22738f18161ba1fb970e784b3a6134aed /extcap.c | |
| parent | 8a83e4d9ea7f75030e41396ce66abbec4c6e8be4 (diff) | |
extcap: null terminate the string that will be used in strlen (CID 1364684).
Change-Id: Ie4c7eed2ac24327292af9a45ffc7e4630338a6b4
Reviewed-on: https://code.wireshark.org/review/24948
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Michael Mann <mmann78@netscape.net>
Diffstat (limited to 'extcap.c')
| -rw-r--r-- | extcap.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -1070,10 +1070,16 @@ void extcap_if_cleanup(capture_options *capture_opts, gchar **errormsg) #ifdef _WIN32 win32_readfrompipe((HANDLE)_get_osfhandle(userdata->extcap_stderr_rd), STDERR_BUFFER_SIZE, buffer); #else - if (read(userdata->extcap_stderr_rd, buffer, sizeof(gchar) * STDERR_BUFFER_SIZE) <= 0) + ssize_t buffer_len; + buffer_len = read(userdata->extcap_stderr_rd, buffer, sizeof(gchar) * STDERR_BUFFER_SIZE); + if (buffer_len <= 0) { buffer[0] = '\0'; } + else + { + buffer[buffer_len] = '\0'; + } #endif if (strlen(buffer) > 0) { |