Lennart Poettering
c174983474
In contrast to ascii_strcasecmp_nn() it takes two character buffers with their individual length. It will then compare the buffers up the smaller size of the two buffers, and finally the length themselves.
108 lines
4.0 KiB
C
108 lines
4.0 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2015 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "string-util.h"
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static void test_string_erase(void) {
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char *x;
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x = strdupa("");
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assert_se(streq(string_erase(x), ""));
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x = strdupa("1");
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assert_se(streq(string_erase(x), "x"));
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x = strdupa("12");
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assert_se(streq(string_erase(x), "xx"));
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x = strdupa("123");
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assert_se(streq(string_erase(x), "xxx"));
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x = strdupa("1234");
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assert_se(streq(string_erase(x), "xxxx"));
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x = strdupa("12345");
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assert_se(streq(string_erase(x), "xxxxx"));
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x = strdupa("123456");
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assert_se(streq(string_erase(x), "xxxxxx"));
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x = strdupa("1234567");
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assert_se(streq(string_erase(x), "xxxxxxx"));
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x = strdupa("12345678");
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assert_se(streq(string_erase(x), "xxxxxxxx"));
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x = strdupa("123456789");
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assert_se(streq(string_erase(x), "xxxxxxxxx"));
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}
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static void test_ascii_strcasecmp_n(void) {
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assert_se(ascii_strcasecmp_n("", "", 0) == 0);
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assert_se(ascii_strcasecmp_n("", "", 1) == 0);
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assert_se(ascii_strcasecmp_n("", "a", 1) < 0);
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assert_se(ascii_strcasecmp_n("", "a", 2) < 0);
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assert_se(ascii_strcasecmp_n("a", "", 1) > 0);
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assert_se(ascii_strcasecmp_n("a", "", 2) > 0);
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assert_se(ascii_strcasecmp_n("a", "a", 1) == 0);
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assert_se(ascii_strcasecmp_n("a", "a", 2) == 0);
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assert_se(ascii_strcasecmp_n("a", "b", 1) < 0);
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assert_se(ascii_strcasecmp_n("a", "b", 2) < 0);
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assert_se(ascii_strcasecmp_n("b", "a", 1) > 0);
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assert_se(ascii_strcasecmp_n("b", "a", 2) > 0);
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assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxYxxxx", 9) == 0);
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assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxyxxxx", 9) < 0);
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assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxyxxxx", 9) < 0);
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assert_se(ascii_strcasecmp_n("xxxxxxxxx", "xxxxYxxxx", 9) < 0);
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assert_se(ascii_strcasecmp_n("xxxxXxxxx", "xxxxYxxxx", 9) < 0);
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assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxYxxxx", 9) == 0);
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assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxxxxxx", 9) > 0);
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assert_se(ascii_strcasecmp_n("xxxxyxxxx", "xxxxXxxxx", 9) > 0);
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assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxxxxxx", 9) > 0);
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assert_se(ascii_strcasecmp_n("xxxxYxxxx", "xxxxXxxxx", 9) > 0);
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}
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static void test_ascii_strcasecmp_nn(void) {
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assert_se(ascii_strcasecmp_nn("", 0, "", 0) == 0);
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assert_se(ascii_strcasecmp_nn("", 0, "", 1) < 0);
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assert_se(ascii_strcasecmp_nn("", 1, "", 0) > 0);
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assert_se(ascii_strcasecmp_nn("", 1, "", 1) == 0);
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assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaAa", 4) == 0);
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assert_se(ascii_strcasecmp_nn("aaa", 3, "aaAa", 4) < 0);
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assert_se(ascii_strcasecmp_nn("aaa", 4, "aaAa", 4) < 0);
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assert_se(ascii_strcasecmp_nn("aaaa", 4, "aaA", 3) > 0);
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assert_se(ascii_strcasecmp_nn("aaaa", 4, "AAA", 4) > 0);
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assert_se(ascii_strcasecmp_nn("aaaa", 4, "bbbb", 4) < 0);
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assert_se(ascii_strcasecmp_nn("aaAA", 4, "BBbb", 4) < 0);
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assert_se(ascii_strcasecmp_nn("BBbb", 4, "aaaa", 4) > 0);
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}
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int main(int argc, char *argv[]) {
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test_string_erase();
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test_ascii_strcasecmp_n();
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test_ascii_strcasecmp_nn();
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return 0;
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}
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