*: optimize code size in strtoul calls

function                                             old     new   delta
bb_parse_mode                                        433     431      -2
rtnl_rtntype_a2n                                     202     198      -4
ParseField                                           511     498     -13
bb_init_module_24                                   4730    4675     -55
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-74)             Total: -74 bytes

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

1 files changed, 7 insertions, 3 deletions

diff --git a/miscutils/crond.c b/miscutils/crond.c
index f0b64fe3a..d2104c36f 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -320,11 +320,13 @@ static void ParseField(char *user, char *ary, int modvalue, int off,
                         skip = 1;
                         ++ptr;
                 } else if (isdigit(*ptr)) {
+                        char *endp;
                         if (n1 < 0) {
-                                n1 = strtol(ptr, &ptr, 10) + off;
+                                n1 = strtol(ptr, &endp, 10) + off;
                         } else {
-                                n2 = strtol(ptr, &ptr, 10) + off;
+                                n2 = strtol(ptr, &endp, 10) + off;
                         }
+                        ptr = endp; /* gcc likes temp var for &endp */
                         skip = 1;
                 } else if (names) {
                         int i;
@@ -361,7 +363,9 @@ static void ParseField(char *user, char *ary, int modvalue, int off,
                         n2 = n1;
                 }
                 if (*ptr == '/') {
-                        skip = strtol(ptr + 1, &ptr, 10);
+                        char *endp;
+                        skip = strtol(ptr + 1, &endp, 10);
+                        ptr = endp; /* gcc likes temp var for &endp */
                 }
 
                 /*