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97acc4a1c3
InnoDB defines some functions that are not called at all. Other functions are called, but only from the same compilation unit. Remove some function declarations and definitions, and add 'static' keywords. Some symbols must be kept for separately compiled tools, such as innochecksum.
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/*****************************************************************************
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Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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*****************************************************************************/
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/********************************************************************//**
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@file ut/ut0mem.cc
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Memory primitives
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Created 5/11/1994 Heikki Tuuri
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*************************************************************************/
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#include "ut0mem.h"
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#include "os0thread.h"
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#include "srv0srv.h"
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#include <stdlib.h>
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/**********************************************************************//**
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Copies up to size - 1 characters from the NUL-terminated string src to
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dst, NUL-terminating the result. Returns strlen(src), so truncation
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occurred if the return value >= size.
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@return strlen(src) */
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ulint
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ut_strlcpy(
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/*=======*/
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char* dst, /*!< in: destination buffer */
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const char* src, /*!< in: source buffer */
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ulint size) /*!< in: size of destination buffer */
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{
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ulint src_size = strlen(src);
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if (size != 0) {
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ulint n = ut_min(src_size, size - 1);
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memcpy(dst, src, n);
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dst[n] = '\0';
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}
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return(src_size);
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}
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/**********************************************************************//**
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Like ut_strlcpy, but if src doesn't fit in dst completely, copies the last
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(size - 1) bytes of src, not the first.
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@return strlen(src) */
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ulint
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ut_strlcpy_rev(
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/*===========*/
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char* dst, /*!< in: destination buffer */
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const char* src, /*!< in: source buffer */
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ulint size) /*!< in: size of destination buffer */
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{
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ulint src_size = strlen(src);
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if (size != 0) {
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ulint n = ut_min(src_size, size - 1);
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memcpy(dst, src + src_size - n, n + 1);
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}
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return(src_size);
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}
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/********************************************************************
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Concatenate 3 strings.*/
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char*
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ut_str3cat(
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/*=======*/
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/* out, own: concatenated string, must be
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freed with ut_free() */
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const char* s1, /* in: string 1 */
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const char* s2, /* in: string 2 */
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const char* s3) /* in: string 3 */
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{
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char* s;
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ulint s1_len = strlen(s1);
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ulint s2_len = strlen(s2);
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ulint s3_len = strlen(s3);
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s = static_cast<char*>(ut_malloc_nokey(s1_len + s2_len + s3_len + 1));
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memcpy(s, s1, s1_len);
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memcpy(s + s1_len, s2, s2_len);
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memcpy(s + s1_len + s2_len, s3, s3_len);
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s[s1_len + s2_len + s3_len] = '\0';
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return(s);
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}
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