alex/swayfx
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

swaybar: fix errno handling in status_handle_readable

Browse source 
If getline fails once, it was not reset before the next getline
call. errno is only overwritten by getline on error.

(cherry picked from commit 414950bbc8e833362a689cc11720855e8edd1323)
This commit is contained in:
Simon Ser 2021-12-21 12:12:54 +01:00
parent 9ecbfe3665
commit 5d16d15a95
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
swaybar/status_line.c
View file

@ -117,11 +117,11 @@ bool status_handle_readable(struct status_line *status) {
status->text = status->buffer; status->text = status->buffer;
// intentional fall-through // intentional fall-through
case PROTOCOL_TEXT: case PROTOCOL_TEXT:
errno = 0;
while (true) { while (true) {
if (status->buffer[read_bytes - 1] == '\n') { if (status->buffer[read_bytes - 1] == '\n') {
status->buffer[read_bytes - 1] = '\0'; status->buffer[read_bytes - 1] = '\0';
} }
errno = 0;
read_bytes = getline(&status->buffer, read_bytes = getline(&status->buffer,
&status->buffer_size, status->read); &status->buffer_size, status->read);
if (errno == EAGAIN) { if (errno == EAGAIN) {