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| author | Denys Vlasenko | 2018-12-18 19:17:11 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2018-12-18 19:17:11 +0100 |
| commit | 694d2982e5cc73edfc870e26647e85a558d71bbe (patch) | |
| tree | 00e3b30ddeaec2a049d21efc79846e9cd0fc5e0c /miscutils/bc.c | |
| parent | 7b30bc0222fa5f4e539a36a15ceb7b6e413cafd2 (diff) | |
| download | busybox-694d2982e5cc73edfc870e26647e85a558d71bbe.zip busybox-694d2982e5cc73edfc870e26647e85a558d71bbe.tar.gz | |
bc: code shrink
function old new delta
bc_program_name 67 63 -4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-4) Total: -4 bytes
text data bss dec hex filename
981372 485 7296 989153 f17e1 busybox_old
981368 485 7296 989149 f17dd busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/bc.c')
| -rw-r--r-- | miscutils/bc.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index 40bb299..eba8aa2 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -5174,17 +5174,19 @@ static size_t bc_program_index(char *code, size_t *bgn) static char *bc_program_name(char *code, size_t *bgn) { size_t i; - char *s, *str = code + *bgn, *ptr = strchr(str, BC_PARSE_STREND); + char *s; - s = xmalloc(ptr - str + 1); + code += *bgn; + s = xmalloc(strchr(code, BC_PARSE_STREND) - code + 1); i = 0; for (;;) { - char c = code[(*bgn)++]; - if (c == '\0' || c == BC_PARSE_STREND) + char c = *code++; + if (c == BC_PARSE_STREND) break; s[i++] = c; } s[i] = '\0'; + *bgn += i + 1; return s; } |