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https://github.com/sheumann/hush.git
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8dff01d06a
function old new delta is_prefixed_with - 18 +18 complete_username 78 77 -1 man_main 737 735 -2 fsck_device 429 427 -2 unpack_ar_archive 80 76 -4 strip_unsafe_prefix 105 101 -4 singlemount 1054 1050 -4 rtc_adjtime_is_utc 90 86 -4 resolve_mount_spec 88 84 -4 parse_one_line 1029 1025 -4 parse_conf 1460 1456 -4 may_wakeup 83 79 -4 loadkmap_main 219 215 -4 get_irqs_from_stat 103 99 -4 get_header_cpio 913 909 -4 findfs_main 79 75 -4 fbsplash_main 1230 1226 -4 load_crontab 776 771 -5 expand_vars_to_list 1151 1146 -5 date_main 881 876 -5 skip_dev_pfx 30 24 -6 make_device 2199 2193 -6 complete_cmd_dir_file 773 767 -6 run_applet_and_exit 715 708 -7 uudecode_main 321 313 -8 pwdx_main 197 189 -8 execute 568 560 -8 i2cdetect_main 1186 1176 -10 procps_scan 1242 1230 -12 procps_read_smaps 1017 1005 -12 process_module 746 734 -12 patch_main 1903 1891 -12 nfsmount 3572 3560 -12 stack_machine 126 112 -14 process_timer_stats 449 435 -14 match_fstype 111 97 -14 do_ipaddr 1344 1330 -14 open_list_and_close 359 343 -16 get_header_tar 1795 1779 -16 prepend_new_eth_table 340 323 -17 fsck_main 1811 1794 -17 find_iface_state 56 38 -18 dnsd_main 1321 1303 -18 base_device 179 158 -21 find_keyword 104 82 -22 handle_incoming_and_exit 2785 2762 -23 parse_and_put_prompt 774 746 -28 modinfo 347 317 -30 find_action 204 171 -33 update_passwd 1470 1436 -34 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/49 up/down: 18/-540) Total: -522 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
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char* FAST_FUNC is_prefixed_with(const char *string, const char *key)
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{
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#if 0 /* Two passes over key - probably slower */
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int len = strlen(key);
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if (strncmp(string, key, len) == 0)
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return string + len;
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return NULL;
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#else /* Open-coded */
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while (*key != '\0') {
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if (*key != *string)
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return NULL;
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key++;
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string++;
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}
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return (char*)string;
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#endif
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}
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/* returns the array index of the string */
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/* (index of first match is returned, or -1) */
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int FAST_FUNC index_in_str_array(const char *const string_array[], const char *key)
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{
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int i;
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for (i = 0; string_array[i] != 0; i++) {
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if (strcmp(string_array[i], key) == 0) {
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return i;
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}
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}
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return -1;
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}
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int FAST_FUNC index_in_strings(const char *strings, const char *key)
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{
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int idx = 0;
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while (*strings) {
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if (strcmp(strings, key) == 0) {
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return idx;
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}
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strings += strlen(strings) + 1; /* skip NUL */
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idx++;
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}
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return -1;
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}
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/* returns the array index of the string, even if it matches only a beginning */
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/* (index of first match is returned, or -1) */
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#ifdef UNUSED
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int FAST_FUNC index_in_substr_array(const char *const string_array[], const char *key)
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{
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int i;
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if (key[0]) {
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for (i = 0; string_array[i] != 0; i++) {
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if (is_prefixed_with(string_array[i], key)) {
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return i;
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}
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}
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}
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return -1;
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}
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#endif
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int FAST_FUNC index_in_substrings(const char *strings, const char *key)
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{
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int matched_idx = -1;
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const int len = strlen(key);
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if (len) {
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int idx = 0;
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while (*strings) {
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if (strncmp(strings, key, len) == 0) {
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if (strings[len] == '\0')
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return idx; /* exact match */
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if (matched_idx >= 0)
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return -1; /* ambiguous match */
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matched_idx = idx;
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}
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strings += strlen(strings) + 1; /* skip NUL */
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idx++;
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}
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}
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return matched_idx;
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}
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const char* FAST_FUNC nth_string(const char *strings, int n)
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{
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while (n) {
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n--;
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strings += strlen(strings) + 1;
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}
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return strings;
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}
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#ifdef UNUSED_SO_FAR /* only brctl.c needs it yet */
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/* Returns 0 for no, 1 for yes or a negative value on error. */
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smallint FAST_FUNC yesno(const char *str)
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{
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static const char no_yes[] ALIGN1 =
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"0\0" "off\0" "no\0"
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"1\0" "on\0" "yes\0";
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int ret = index_in_substrings(no_yes, str);
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return ret / 3;
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}
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#endif
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