diff options
Diffstat (limited to 'support/capture_subprocess.h')
| -rw-r--r-- | support/capture_subprocess.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/support/capture_subprocess.h b/support/capture_subprocess.h new file mode 100644 index 0000000000..be5d34fbe2 --- /dev/null +++ b/support/capture_subprocess.h @@ -0,0 +1,42 @@ +/* Capture output from a subprocess. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef SUPPORT_CAPTURE_SUBPROCESS_H +#define SUPPORT_CAPTURE_SUBPROCESS_H + +#include <support/xmemstream.h> + +struct support_capture_subprocess +{ + struct xmemstream out; + struct xmemstream err; + int status; +}; + +/* Invoke CALLBACK (CLOSURE) in a subprocess and capture standard + output, standard error, and the exit status. The out.buffer and + err.buffer members in the result are null-terminated strings which + can be examined by the caller (out.out and err.out are NULL). */ +struct support_capture_subprocess support_capture_subprocess + (void (*callback) (void *), void *closure); + +/* Deallocate the subprocess data captured by + support_capture_subprocess. */ +void support_capture_subprocess_free (struct support_capture_subprocess *); + +#endif /* SUPPORT_CAPTURE_SUBPROCESS_H */ |