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removed fgets usage, increment offset until a line is read, dwm will drop all lines read in one call, except the first!!! one (previously it preferred the last) - but the current approach is simplier and works better for general purpose in conjunction with the offset handling

This commit is contained in:
Anselm R. Garbe 2007-11-03 20:43:12 +01:00
parent af4667a85a
commit 0e98090d65
1 changed files with 27 additions and 7 deletions
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34
dwm.c
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@ -1145,6 +1145,7 @@ quit(const char *arg) {
readin = running = False;
}
void
resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
XWindowChanges wc;
@ -1280,15 +1281,19 @@ restack(void) {
void
run(void) {
char *p;
fd_set rd;
int xfd;
int r, xfd;
unsigned int len, offset;
XEvent ev;
/* main event loop, also reads status text from stdin */
XSync(dpy, False);
xfd = ConnectionNumber(dpy);
readin = True;
stext[sizeof stext - 1] = '\0'; /* 0-terminator is never touched */
offset = 0;
len = sizeof stext - 1;
stext[len] = '\0'; /* 0-terminator is never touched */
while(running) {
FD_ZERO(&rd);
if(readin)
@ -1300,12 +1305,27 @@ run(void) {
eprint("select failed\n");
}
if(FD_ISSET(STDIN_FILENO, &rd)) {
if((readin = (stext == fgets(stext, sizeof stext - 1, stdin))))
stext[strlen(stext) - 1] = '\0'; /* remove tailing '\n' */
else if(feof(stdin))
switch((r = read(STDIN_FILENO, stext + offset, len - offset))) {
case -1:
strncpy(stext, strerror(errno), len);
readin = False;
break;
case 0:
strncpy(stext, "EOF", 4);
else /* error occured */
strncpy(stext, strerror(errno), sizeof stext - 1);
readin = False;
break;
default:
stext[offset + r] = '\0';
for(p = stext; *p && *p != '\n'; p++);
if(*p == '\n') {
*p = '\0';
offset = 0;
}
else if(offset + r < len - 1)
offset += r;
else
offset = 0;
}
drawbar();
}
while(XPending(dpy)) {