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| author | Jouni Malinen <j@w1.fi> | 2009-12-20 10:52:54 (GMT) |
|---|---|---|
| committer | Jouni Malinen <j@w1.fi> | 2010-01-09 19:09:39 (GMT) |
| commit | 49198bb3eb202a8488169354f25f699aac36aa46 (patch) | |
| tree | 089d718d15cbe8e0d851036fbd37007dd1b49866 /src/utils/wpabuf.c | |
| parent | 73dcc64b40e69544a346aab1acd2dbcf0d465b06 (diff) | |
| download | hostap-06-49198bb3eb202a8488169354f25f699aac36aa46.zip hostap-06-49198bb3eb202a8488169354f25f699aac36aa46.tar.gz hostap-06-49198bb3eb202a8488169354f25f699aac36aa46.tar.bz2 | |
wpabuf: Allow wpabuf_resize(NULL, len) to be used
This matches with realloc() usage, i.e., allocate a new buffer if no
buffer was specified.
(cherry picked from commit 859db534bf29e360adfdc7da6a0bf0ad86fc1ec2)
Diffstat (limited to 'src/utils/wpabuf.c')
| -rw-r--r-- | src/utils/wpabuf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/utils/wpabuf.c b/src/utils/wpabuf.c index c544179..8181912 100644 --- a/src/utils/wpabuf.c +++ b/src/utils/wpabuf.c @@ -29,6 +29,10 @@ static void wpabuf_overflow(const struct wpabuf *buf, size_t len) int wpabuf_resize(struct wpabuf **_buf, size_t add_len) { struct wpabuf *buf = *_buf; + if (buf == NULL) { + *_buf = wpabuf_alloc(add_len); + return *_buf == NULL ? -1 : 0; + } if (buf->used + add_len > buf->size) { unsigned char *nbuf; if (buf->ext_data) { |