Make smart_ulltoa return pointer to end (allows for code shink in callers)

function                                             old     new   delta
smart_ulltoa5                                        405     408      +3
smart_ulltoa4                                        273     276      +3
list_table                                          1113    1114      +1
scale                                                 36      34      -2
put_lu                                                55      53      -2
ulltoa6_and_space                                     19      14      -5
powertop_main                                       1470    1461      -9

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

1 files changed, 3 insertions, 6 deletions

diff --git a/procps/ps.c b/procps/ps.c
index 89cadad00..c65fa012a 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -299,8 +299,7 @@ static void put_lu(char *buf, int size, unsigned long u)
         char buf4[5];
 
         /* see http://en.wikipedia.org/wiki/Tera */
-        smart_ulltoa4(u, buf4, " mgtpezy");
-        buf4[4] = '\0';
+        smart_ulltoa4(u, buf4, " mgtpezy")[0] = '\0';
         sprintf(buf, "%.*s", size, buf4);
 }
 
@@ -740,8 +739,7 @@ int ps_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 #endif
                 {
                         char buf6[6];
-                        smart_ulltoa5(p->vsz, buf6, " mgtpezy");
-                        buf6[5] = '\0';
+                        smart_ulltoa5(p->vsz, buf6, " mgtpezy")[0] = '\0';
 #if ENABLE_FEATURE_PS_LONG
                         if (opts & OPT_l) {
                                 char bufr[6], stime_str[6];
@@ -752,8 +750,7 @@ int ps_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
                                 time_t start = now - elapsed;
                                 struct tm *tm = localtime(&start);
 
-                                smart_ulltoa5(p->rss, bufr, " mgtpezy");
-                                bufr[5] = '\0';
+                                smart_ulltoa5(p->rss, bufr, " mgtpezy")[0] = '\0';
 
                                 if (p->tty_major == 136)
                                         /* It should be pts/N, not ptsN, but N > 9