diff options
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"); |