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Consume all the lines before parsing 

Read input lines in non-blockin mode and parse the last one.
Should fix https://github.com/LemonBoy/bar/issues/107
This commit is contained in:
Bernd Busse 2016-06-08 11:33:47 +02:00
parent d680ea4256
commit 309047f205
1 changed files with 7 additions and 3 deletions
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10
lemonbar.c
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@ -7,6 +7,7 @@
#include <ctype.h> #include <ctype.h>
#include <signal.h> #include <signal.h>
#include <poll.h> #include <poll.h>
#include <fcntl.h>
#include <getopt.h> #include <getopt.h>
#include <unistd.h> #include <unistd.h>
#include <errno.h> #include <errno.h>
@ -1344,6 +1345,9 @@ main (int argc, char **argv)
// Get the fd to Xserver // Get the fd to Xserver
pollin[1].fd = xcb_get_file_descriptor(c); pollin[1].fd = xcb_get_file_descriptor(c);
// Prevent fgets to block
fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK);
for (;;) { for (;;) {
bool redraw = false; bool redraw = false;
@ -1357,9 +1361,9 @@ main (int argc, char **argv)
else break; // ...bail out else break; // ...bail out
} }
if (pollin[0].revents & POLLIN) { // New input, process it if (pollin[0].revents & POLLIN) { // New input, process it
if (fgets(input, sizeof(input), stdin) == NULL) input[0] = '\0';
break; // EOF received while (fgets(input, sizeof(input), stdin) != NULL)
; // Drain the buffer, the last line is actually used
parse(input); parse(input);
redraw = true; redraw = true;
} }