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xargs: use bb_ask_y_confirmation_FILE() instead of homegrown copy

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function                                             old     new   delta
bb_ask_y_confirmation_FILE                             -      83     +83
inetd_main                                          2033    2043     +10
udhcp_send_kernel_packet                             295     301      +6
rmescapes                                            306     310      +4
send_tree                                            353     355      +2
i2cdetect_main                                       674     672      -2
confirm_or_abort                                      43      38      -5
get_terminal_width_height                            242     234      -8
bb_ask_y_confirmation                                 76      10     -66
xargs_main                                           823     755     -68
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 4/5 up/down: 105/-149)          Total: -44 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-04-07 15:21:35 +02:00
parent 77cb6b99a4
commit bae8fc4436
5 changed files with 20 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
libbb/ask_confirmation.c
View File

@@ -8,15 +8,16 @@
*/
#include "libbb.h"
/* Read a line from stdin. If the first non-whitespace char is 'y' or 'Y',
/* Read a line from fp. If the first non-whitespace char is 'y' or 'Y',
* return 1. Otherwise return 0.
*/
int FAST_FUNC bb_ask_y_confirmation(void)
int FAST_FUNC bb_ask_y_confirmation_FILE(FILE *fp)
{
char first = 0;
int c;
while (((c = getchar()) != EOF) && (c != '\n')) {
fflush_all();
while (((c = fgetc(fp)) != EOF) && (c != '\n')) {
if (first == 0 && !isblank(c)) {
first = c|0x20;
}
@@ -24,3 +25,8 @@ int FAST_FUNC bb_ask_y_confirmation(void)
return first == 'y';
}
int FAST_FUNC bb_ask_y_confirmation(void)
{
return bb_ask_y_confirmation_FILE(stdin);
}

7
libbb/remove_file.c
View File

@@ -39,8 +39,8 @@ int FAST_FUNC remove_file(const char *path, int flags)
if ((!(flags & FILEUTILS_FORCE) && access(path, W_OK) < 0 && isatty(0))
|| (flags & FILEUTILS_INTERACTIVE)
) {
fprintf(stderr, "%s: descend into directory '%s'? ", applet_name,
path);
fprintf(stderr, "%s: descend into directory '%s'? ",
applet_name, path);
if (!bb_ask_y_confirmation())
return 0;
}
@@ -67,7 +67,8 @@ int FAST_FUNC remove_file(const char *path, int flags)
}
if (flags & FILEUTILS_INTERACTIVE) {
fprintf(stderr, "%s: remove directory '%s'? ", applet_name, path);
fprintf(stderr, "%s: remove directory '%s'? ",
applet_name, path);
if (!bb_ask_y_confirmation())
return status;
}