procps: code shrink
function old new delta
skip_whitespace_if_prefixed_with - 17 +17
procps_read_smaps 911 854 -57
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 17/-57) Total: -40 bytes
Signed-off-by: Martin Lewis <martin.lewis.x84@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/procps.c b/libbb/procps.c
index af3ad86..4cc3cb2 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -177,6 +177,15 @@
}
#endif
+static char* skip_whitespace_if_prefixed_with(char *buf, const char *prefix)
+{
+ char *tp = is_prefixed_with(buf, prefix);
+ if (tp) {
+ tp = skip_whitespace(tp);
+ }
+ return tp;
+}
+
#if ENABLE_FEATURE_TOPMEM || ENABLE_PMAP
int FAST_FUNC procps_read_smaps(pid_t pid, struct smaprec *total,
void (*cb)(struct smaprec *, void *), void *data)
@@ -207,8 +216,7 @@
char *tp, *p;
#define SCAN(S, X) \
- if ((tp = is_prefixed_with(buf, S)) != NULL) { \
- tp = skip_whitespace(tp); \
+ if ((tp = skip_whitespace_if_prefixed_with(buf, S)) != NULL) { \
total->X += currec.X = fast_strtoul_10(&tp); \
continue; \
}