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libbb: switch bb_ask_noecho() to "mallocing" string return API

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function                                             old     new   delta
bb_ask_noecho                                        313     330     +17
get_cred_or_die                                      125     115     -10
passwd_main                                          995     958     -37
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 17/-47)            Total: -30 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-04-07 15:50:30 +02:00
parent bae8fc4436
commit 17058a06c4
5 changed files with 39 additions and 22 deletions
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7
include/libbb.h
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@@ -1408,10 +1408,11 @@ extern int set_loop(char **devname, const char *file, unsigned long long offset,
#define BB_LO_FLAGS_READ_ONLY 1
#define BB_LO_FLAGS_AUTOCLEAR 4
/* Like bb_ask_noecho below, but asks on stdin with no timeout. */
/* Returns malloced str */
char *bb_ask_noecho(int fd, int timeout, const char *prompt) FAST_FUNC;
/* Like bb_ask_noecho, but asks on stdin with no timeout. */
char *bb_ask_noecho_stdin(const char *prompt) FAST_FUNC;
//TODO: pass buf pointer or return allocated buf (avoid statics)?
char *bb_ask_noecho(const int fd, int timeout, const char *prompt) FAST_FUNC;
int bb_ask_y_confirmation_FILE(FILE *fp) FAST_FUNC;
int bb_ask_y_confirmation(void) FAST_FUNC;