diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2015-10-09 17:59:56 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2015-10-09 17:59:56 +0200 |
| commit | e52da5570eb93d6cb2950e55c48bd22edb5a9f18 (patch) | |
| tree | e76f2f6dd399a131f52e2b5951ba99e1399a2179 /include | |
| parent | 550bf5b4a418378cd8f9fbbf5252fe57acdacb5a (diff) | |
| download | busybox-e52da5570eb93d6cb2950e55c48bd22edb5a9f18.tar.gz | |
libbb: auto_string() for efficient handling of temporary malloced stirngs
Use it in libiproute: get rid of one static string buffer.
function old new delta
auto_string - 51 +51
ll_index_to_name 10 49 +39
buffer_fill_and_print 169 178 +9
scan_recursive 378 380 +2
decode_one_format 732 734 +2
cmdputs 334 332 -2
static.cur_saved 4 1 -3
static.nbuf 16 - -16
printable_string 94 57 -37
ll_idx_n2a 53 - -53
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 4/3 up/down: 103/-111) Total: -8 bytes
text data bss dec hex filename
939880 992 17496 958368 e9fa0 busybox_old
939880 992 17480 958352 e9f90 busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/libbb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/libbb.h b/include/libbb.h index 2f24ecbc3..a8ceb449c 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -692,6 +692,7 @@ int bb_putchar(int ch) FAST_FUNC; /* Note: does not use stdio, writes to fd 2 directly */ int bb_putchar_stderr(char ch) FAST_FUNC; char *xasprintf(const char *format, ...) __attribute__ ((format(printf, 1, 2))) FAST_FUNC RETURNS_MALLOC; +char *auto_string(char *str) FAST_FUNC; // gcc-4.1.1 still isn't good enough at optimizing it // (+200 bytes compared to macro) //static ALWAYS_INLINE |