diff options
Diffstat (limited to 'toys/posix/ps.c')
| -rw-r--r-- | toys/posix/ps.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/toys/posix/ps.c b/toys/posix/ps.c index 8ac6eef7..773f40c4 100644 --- a/toys/posix/ps.c +++ b/toys/posix/ps.c @@ -751,9 +751,8 @@ static int get_ps(struct dirtree *new) if (TT.threadparent && TT.threadparent->extra) ptb = (void *)TT.threadparent->extra; - if (j==3 && !ptb) { - if ((len = readlinkat(fd, buf, buf, len))<1) len = 0; - } else { + if (j==3 && !ptb) len = readlinkat0(fd, buf, buf, len); + else { if (j==3) i = strlen(s = ptb->str+ptb->offset[3]); else { if (!ptb || tb->slot[SLOT_argv0len]) ptb = tb; @@ -766,8 +765,8 @@ static int get_ps(struct dirtree *new) } if (i<len) len = i; memcpy(buf, s, len); + buf[len] = 0; } - buf[len] = 0; // If it's not the TTY field, data we want is in a file. // Last length saved in slot[] is command line (which has embedded NULs) @@ -782,11 +781,8 @@ static int get_ps(struct dirtree *new) for (i = 0; i<3; i++) { sprintf(buf, "%lld/fd/%i", *slot, i); if (!fstatat(fd, buf, &st, 0) && S_ISCHR(st.st_mode) - && st.st_rdev == rdev && 0<(len = readlinkat(fd, buf, buf, len))) - { - buf[len] = 0; - break; - } + && st.st_rdev == rdev && (len = readlinkat0(fd, buf, buf, len))) + break; } // Couldn't find it, try all the tty drivers. |