diff options
| author | Michael Mann <mmann78@netscape.net> | 2018-10-20 17:46:34 -0400 |
|---|---|---|
| committer | Anders Broman <a.broman58@gmail.com> | 2018-10-21 07:55:40 +0000 |
| commit | 7a4e9325718e13e5d977677032f211c93e91aba9 (patch) | |
| tree | 202cbefec4c9a64ff6de997bf6554d36d5e35ec6 /epan/tvbuff.c | |
| parent | 7ce9081fdcf48085611d2de6db0964dffd9ae700 (diff) | |
Add tvb_ascii_isprint API
This allows dissectors to check if a portion of the tvb is an ascii string while hiding the use of tvb_get_ptr.
Change-Id: Iaec7559dcfdefb8a5ae23e099ced45e90e611f8f
Reviewed-on: https://code.wireshark.org/review/30291
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Diffstat (limited to 'epan/tvbuff.c')
| -rw-r--r-- | epan/tvbuff.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/epan/tvbuff.c b/epan/tvbuff.c index c759b91a26..9d3ca4b82f 100644 --- a/epan/tvbuff.c +++ b/epan/tvbuff.c @@ -3330,6 +3330,17 @@ tvb_get_nstringz0(tvbuff_t *tvb, const gint offset, const guint bufsize, guint8* } } +gboolean tvb_ascii_isprint(tvbuff_t *tvb, const gint offset, const gint length) +{ + const guint8* buf = tvb_get_ptr(tvb, offset, length); + + for (int i = 0; i < length; i++, buf++) + if (!g_ascii_isprint(*buf)) + return FALSE; + + return TRUE; +} + static ws_mempbrk_pattern pbrk_crlf; /* |