function old new delta
skip_whitespace_if_prefixed_with - 37 +37
procps_read_smaps 954 841 -113
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/1 up/down: 37/-113) Total: -76 bytes
text data bss dec hex filename
981418 16915 1872 1000205 f430d busybox_old
981342 16915 1872 1000129 f42c1 busybox_unstripped
Signed-off-by: Martin Lewis <martin.lewis....@gmail.com>
---
libbb/procps.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/libbb/procps.c b/libbb/procps.c
index af3ad86ff..c7ce45977 100644
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -177,6 +177,15 @@ static char *skip_fields(char *str, int count)
}
#endif
+static int skip_whitespace_if_prefixed_with(char *buf, const char *prefix,
char **tp) {
+ *tp = is_prefixed_with(buf, prefix);
+ if (*tp) {
+ *tp = skip_whitespace(*tp);
+ return TRUE;
+ }
+ return FALSE;
+}
+
#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 (skip_whitespace_if_prefixed_with(buf, S, &tp)) { \
total->X += currec.X = fast_strtoul_10(&tp); \
continue; \
}
--
2.11.0
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