forked from osmocom/wireshark
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include "strutil.h"
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#include <wsutil/utf8_entities.h>
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/*
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* FIXME: LABEL_LENGTH includes the nul byte terminator.
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* This is confusing but matches ITEM_LABEL_LENGTH.
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*/
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#define LABEL_LENGTH 8
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void test_label_strcat(void)
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{
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char label[LABEL_LENGTH];
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const char *src;
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size_t pos;
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src = "ABCD";
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pos = 0;
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pos = ws_label_strcpy(label, sizeof(label), pos, src, 0);
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g_assert_cmpstr(label, ==, "ABCD");
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g_assert_cmpuint(pos, ==, 4);
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src = "EFGH";
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pos = ws_label_strcpy(label, sizeof(label), pos, src, 0);
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g_assert_cmpstr(label, ==, "ABCDEFG");
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g_assert_cmpuint(pos, ==, 8);
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src = "IJKL";
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pos = 7;
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pos = ws_label_strcpy(label, sizeof(label), pos, src, 0);
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g_assert_cmpstr(label, ==, "ABCDEFG");
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g_assert_cmpuint(pos, ==, 11);
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/* UTF-8 multibyte does not fit, do not truncate. */
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src = "ABCDEF"UTF8_MIDDLE_DOT;
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pos = 0;
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pos = ws_label_strcpy(label, sizeof(label), pos, src, 0);
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g_assert_cmpstr(label, ==, "ABCDEF");
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g_assert_cmpuint(pos, ==, 8); /* Tried to write 8 bytes. */
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}
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void test_label_strcat_escape_whitespace(void)
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{
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char label[128];
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const char *src, *dst;
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size_t pos;
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src = "ABCD\n\t\f\r\aE"UTF8_MIDDLE_DOT"Z";
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dst = "ABCD\\n\\t\\f\\r\\aE"UTF8_MIDDLE_DOT"Z";
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pos = ws_label_strcpy(label, sizeof(label), 0, src, 0);
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g_assert_cmpstr(label, ==, dst);
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g_assert_cmpuint(pos, ==, strlen(dst));
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}
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void test_label_escape_control(void)
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{
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char label[128];
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const char *src, *dst;
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size_t pos;
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src = "ABCD \x04\x17\xC2\x80 EFG \xC2\x90 HIJ \xC2\x9F Z";
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dst = "ABCD \\x04\\x17\\u0080 EFG \\u0090 HIJ \\u009F Z";
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pos = ws_label_strcpy(label, sizeof(label), 0, src, 0);
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g_assert_cmpstr(label, ==, dst);
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g_assert_cmpuint(pos, ==, strlen(dst));
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}
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int main(int argc, char **argv)
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{
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int ret;
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ws_log_init("test_proto", NULL);
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g_test_init(&argc, &argv, NULL);
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g_test_add_func("/label/strcat", test_label_strcat);
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g_test_add_func("/label/escape_whitespace", test_label_strcat_escape_whitespace);
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g_test_add_func("/label/escape_control", test_label_escape_control);
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ret = g_test_run();
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return ret;
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* vi: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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