diff options
| author | Christian Grothoff <christian@grothoff.org> | 2012-04-04 11:24:44 +0000 |
|---|---|---|
| committer | Christian Grothoff <christian@grothoff.org> | 2012-04-04 11:24:44 +0000 |
| commit | d80f189a015e725346e0c8509a83ccb33f7eee60 (patch) | |
| tree | 4c027460e76abf05f0a31050d22afe31d8137e02 /src/fs/fs_download.c | |
| parent | 2764fd265cdf18522c3d852057bbdbd947072e17 (diff) | |
-allow NULL for emsg
Diffstat (limited to 'src/fs/fs_download.c')
| -rw-r--r-- | src/fs/fs_download.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/fs/fs_download.c b/src/fs/fs_download.c index d91c9e8244..8ae4a29fb5 100644 --- a/src/fs/fs_download.c +++ b/src/fs/fs_download.c @@ -1773,16 +1773,19 @@ fh_reader (void *cls, uint64_t offset, size_t max, void *buf, char **emsg) struct GNUNET_DISK_FileHandle *fh = dc->rfh; ssize_t ret; - *emsg = NULL; + if (NULL != emsg) + *emsg = NULL; if (offset != GNUNET_DISK_file_seek (fh, offset, GNUNET_DISK_SEEK_SET)) { - *emsg = GNUNET_strdup (strerror (errno)); + if (NULL != emsg) + *emsg = GNUNET_strdup (strerror (errno)); return 0; } ret = GNUNET_DISK_file_read (fh, buf, max); if (ret < 0) { - *emsg = GNUNET_strdup (strerror (errno)); + if (NULL != emsg) + *emsg = GNUNET_strdup (strerror (errno)); return 0; } return ret; |