diff options
| author | Thomas White <taw@physics.org> | 2021-09-16 17:21:20 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2022-06-02 12:15:38 +0200 |
| commit | 6db9619ba5172b9e416a5939d375f5119aa652ff (patch) | |
| tree | d6dc4a11bddd801a15adaa03b3c2b1973fcd542b /libcrystfel/src/stream.c | |
| parent | 1638ec5dc997f0c0fa35ed4fb4f23ed117aafae4 (diff) | |
Refuse to overwrite an existing stream
With online processing, we might end up with a very long stream. It
should not be so easily deleted if indexamajig is restarted!
Diffstat (limited to 'libcrystfel/src/stream.c')
| -rw-r--r-- | libcrystfel/src/stream.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libcrystfel/src/stream.c b/libcrystfel/src/stream.c index 093e34e4..67297e49 100644 --- a/libcrystfel/src/stream.c +++ b/libcrystfel/src/stream.c @@ -1167,6 +1167,11 @@ Stream *stream_open_for_write(const char *filename, st->dtempl_write = dtempl; st->dtempl_read = NULL; + if ( file_exists(filename) ) { + ERROR("Refusing to overwrite stream '%s'!\n", filename); + return NULL; + } + st->fh = fopen(filename, "w"); if ( st->fh == NULL ) { ERROR("Failed to open stream.\n"); |