top, ps: do not output trailing spaces

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/libbb/procps.c b/libbb/procps.c
index 307d8d622..9a8e42df7 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -471,6 +471,8 @@ void FAST_FUNC read_cmdline(char *buf, int col, unsigned pid, const char *comm)
         sz = open_read_close(filename, buf, col);
         if (sz > 0) {
                 buf[sz] = '\0';
+                while (--sz >= 0 && buf[sz] == '\0')
+                        continue;
                 while (--sz >= 0)
                         if ((unsigned char)(buf[sz]) < ' ')
                                 buf[sz] = ' ';