qugalet/dwmblocks
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Further optimizations related to updatestatus and updateblock

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This commit is contained in:
Ashish Kumar Yadav 2021-02-10 13:29:43 +05:30
parent 07f444980d
commit a58b4d6a80
1 changed files with 13 additions and 24 deletions
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37
dwmblocks.c
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@ -36,9 +36,10 @@ static void sighandler(int sig, siginfo_t *si, void *ucontext);
static void statusloop();
static void termhandler(int sig);
static void updateblock(Block *block, int sigval);
static int updatestatus();
static void updatestatus();
static void writepid();
static int dirty;
static char statustext[STATUSLENGTH + DELIMITERLENGTH];
static Display *dpy;
static sigset_t blocksigmask;
@ -78,7 +79,9 @@ cleanup()
void
setroot()
{
if (updatestatus()) {
if (dirty) {
updatestatus();
dirty = 0;
XStoreName(dpy, DefaultRootWindow(dpy), statustext);
XSync(dpy, False);
}
@ -234,36 +237,23 @@ updateblock(Block *block, int sigval)
exit(1);
}
close(fd[0]);
block->curcmdout[block->curcmdout[trd - 1] == '\n' ? trd - 1 : trd] = '\0';
block->curcmdout[block->curcmdout[trd - 1] == '\n' ? --trd : trd] = '\0';
if (memcmp(block->curcmdout, block->prvcmdout, trd) != 0) {
memcpy(block->prvcmdout, block->curcmdout, trd);
dirty = 1;
}
}
}
}
/* returns whether block outputs have changed and updates statustext if they have */
int
void
updatestatus()
{
char *s = statustext;
size_t len;
Block *block = blocks;
/* checking half of the function */
for (; block->pathu; block++) {
len = strlen(block->curcmdout);
if (memcmp(block->curcmdout, block->prvcmdout, len + 1) != 0)
goto update;
if (len == 0)
continue;
s += len + (block->pathc ? 1 : 0) + DELIMITERLENGTH;
}
return 0;
/* updating half of the function */
for (; block->pathu; block++) {
len = strlen(block->curcmdout);
update:
memcpy(block->prvcmdout, block->curcmdout, len + 1);
if (len == 0)
for (Block *block = blocks; block->pathu; block++) {
if ((len = strlen(block->curcmdout)) == 0)
continue;
memcpy(s, block->curcmdout, len);
s += len;
@ -275,7 +265,6 @@ update:
if (s != statustext)
s -= DELIMITERLENGTH;
*s = '\0';
return 1;
}
void