From 694d2982e5cc73edfc870e26647e85a558d71bbe Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Tue, 18 Dec 2018 19:17:11 +0100 Subject: 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 --- miscutils/bc.c | 10 ++++++---- 1 file 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; } -- cgit v1.1