luc14n0/glib
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/glib.git synced 2025-08-10 03:04:05 +02:00
Code Issues Packages Projects Releases Wiki Activity

gstdio: Document errno behaviour of g_clear_fd

Browse Source 
g_clear_fd has the same interaction with errno as g_close or most libc
functions: on success it has an unspecified effect on errno, and on
failure (other than programming error) it sets errno to indicate the
reason for failure.

Signed-off-by: Simon McVittie <smcv@collabora.com>
This commit is contained in:
Simon McVittie
2022-10-28 14:54:53 +01:00
parent 088d8b4359
commit e231132fc3
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
glib/gstdio.c
View File

@@ -1845,6 +1845,10 @@ g_close (gint fd,
* anything. * anything.
* In both cases, set @fd_ptr to `-1` before returning. * In both cases, set @fd_ptr to `-1` before returning.
* *
* Like g_close(), if closing the file descriptor fails, the error is
* stored in both %errno and @error. If this function succeeds,
* %errno is undefined.
*
* It is a programming error for @fd_ptr to point to a non-negative * It is a programming error for @fd_ptr to point to a non-negative
* number that is not a valid file descriptor. * number that is not a valid file descriptor.
* *