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authorMartin Lewis <martin.lewis.x84@gmail.com>2020-06-11 15:45:57 -0500
committerDenys Vlasenko <vda.linux@googlemail.com>2020-06-29 16:07:20 +0200
commitac79db6a3b8c9d1815dc4f506d55bc6a2a4e34dd (patch)
treef063784ee967c4a21b6b5875d253927a9bf6cdbd
parent1f86ecb72974d0b284d73e7fea5acdab104af5f8 (diff)
downloadbusybox-ac79db6a3b8c9d1815dc4f506d55bc6a2a4e34dd.tar.gz
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>
-rw-r--r--libbb/procps.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/libbb/procps.c b/libbb/procps.c
index af3ad86ff..4cc3cb2a1 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -177,6 +177,15 @@ static char *skip_fields(char *str, int count)
}
#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 @@ int FAST_FUNC procps_read_smaps(pid_t pid, struct smaprec *total,
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; \
}