diff options
Diffstat (limited to 'dwm.c')
| -rw-r--r-- | dwm.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/dwm.c b/dwm.c index 8da3b6f..1529372 100644 --- a/dwm.c +++ b/dwm.c @@ -1287,6 +1287,7 @@ restack(void) { void run(void) { char *p; + char buf[sizeof stext]; fd_set rd; int r, xfd; unsigned int len, offset; @@ -1298,7 +1299,7 @@ run(void) { readin = True; offset = 0; len = sizeof stext - 1; - stext[len] = '\0'; /* 0-terminator is never touched */ + buf[len] = stext[len] = '\0'; /* 0-terminator is never touched */ while(running) { FD_ZERO(&rd); if(readin) @@ -1310,7 +1311,7 @@ run(void) { eprint("select failed\n"); } if(FD_ISSET(STDIN_FILENO, &rd)) { - switch((r = read(STDIN_FILENO, stext + offset, len - offset))) { + switch((r = read(STDIN_FILENO, buf + offset, len - offset))) { case -1: strncpy(stext, strerror(errno), len); readin = False; @@ -1320,14 +1321,18 @@ run(void) { readin = False; break; default: - stext[offset + r] = '\0'; - for(p = stext; *p && *p != '\n'; p++); - if(*p == '\n') { - *p = '\0'; - offset = 0; - } - else - offset = (offset + r < len - 1) ? offset + r : 0; + for(p = buf + offset; r > 0; p++, r--, offset++) + if(*p == '\n' || *p == '\0') { + *p = '\0'; + strncpy(stext, buf, len); + p += r - 1; /* p is buf + offset + r - 1 */ + for(r = 0; *(p - r) && *(p - r) != '\n'; r++); + offset = r; + if(r) + memmove(buf, p - r + 1, r); + break; + } + break; } drawbar(); } |