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Merge pull request #1783 from RyanDwyer/swaybar-buffer-fixes 

Fix buffer issues in swaybar status line
This commit is contained in:
emersion 2018-04-09 08:10:51 -04:00 committed by GitHub
parent 07b6be6214 ac3be29517
commit 78b6ac6aa1
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1 changed files with 7 additions and 3 deletions
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10
swaybar/i3bar.c
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@ -113,8 +113,9 @@ bool i3bar_handle_readable(struct status_line *status) {
char *cur = &state->buffer[state->buffer_index];
ssize_t n = read(status->read_fd, cur,
state->buffer_size - state->buffer_index);
if (n == 0) {
return 0;
if (n == -1) {
status_error(status, "[failed to read from status command]");
return false;
}
if (n == (ssize_t)(state->buffer_size - state->buffer_index)) {
@ -123,11 +124,14 @@ bool i3bar_handle_readable(struct status_line *status) {
if (!new_buffer) {
free(state->buffer);
status_error(status, "[failed to allocate buffer]");
return -1;
return true;
}
state->current_node += new_buffer - state->buffer;
cur += new_buffer - state->buffer;
state->buffer = new_buffer;
}
cur[n] = '\0';
bool redraw = false;
while (*cur) {
if (state->nodes[state->depth] == JSON_NODE_STRING) {