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65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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Copyright (c) 2018, MariaDB Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef LEX_STRING_INCLUDED
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#define LEX_STRING_INCLUDED
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typedef struct st_mysql_const_lex_string LEX_CSTRING;
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/* Functions to compare if two lex strings are equal */
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static inline bool lex_string_cmp(CHARSET_INFO *charset, const LEX_CSTRING *a,
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const LEX_CSTRING *b)
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{
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return my_strcasecmp(charset, a->str, b->str);
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}
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/*
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Compare to LEX_CSTRING's and return 0 if equal
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*/
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static inline bool cmp(const LEX_CSTRING *a, const LEX_CSTRING *b)
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{
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return a->length != b->length ||
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(a->length && memcmp(a->str, b->str, a->length));
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}
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/*
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Compare if two LEX_CSTRING are equal. Assumption is that
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character set is ASCII (like for plugin names)
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*/
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static inline bool lex_string_eq(const LEX_CSTRING *a, const LEX_CSTRING *b)
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{
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if (a->length != b->length)
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return 0; /* Different */
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return strcasecmp(a->str, b->str) == 0;
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}
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/*
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To be used when calling lex_string_eq with STRING_WITH_LEN() as second
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argument
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*/
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static inline bool lex_string_eq(const LEX_CSTRING *a, const char *b, size_t b_length)
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{
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if (a->length != b_length)
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return 0; /* Different */
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return strcasecmp(a->str, b) == 0;
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}
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#endif /* LEX_STRING_INCLUDED */
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