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| author | Petteri Aimonen <jpa@git.mail.kapsi.fi> | 2021-11-26 21:09:41 +0300 |
|---|---|---|
| committer | Petteri Aimonen <jpa@git.mail.kapsi.fi> | 2021-11-26 21:12:18 +0300 |
| commit | 426a60efaf6a2fa0183875d2f31aefe98575306f (patch) | |
| tree | 83e0f8d8acaa9a5ee2901208f8631780155444bf /pb_encode.c | |
| parent | ab19ecbe1b9f377ab4ee8e762bfe16c39068ad68 (diff) | |
Fix compiler warning with PB_BUFFER_ONLY (#717)
I also took the opportunity to get rid of a potential undefined behavior.
Now the marker value used is a valid const int pointer.
Diffstat (limited to 'pb_encode.c')
| -rw-r--r-- | pb_encode.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pb_encode.c b/pb_encode.c index f5f1676..2ad9925 100644 --- a/pb_encode.c +++ b/pb_encode.c @@ -65,7 +65,11 @@ pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize) { pb_ostream_t stream; #ifdef PB_BUFFER_ONLY - stream.callback = (void*)1; /* Just a marker value */ + /* In PB_BUFFER_ONLY configuration the callback pointer is just int*. + * NULL pointer marks a sizing field, so put a non-NULL value to mark a buffer stream. + */ + static const int marker; + stream.callback = ▮ #else stream.callback = &buf_write; #endif |