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未验证 提交 919df1f0 编写于 作者: S Shengliang Guan 提交者： GitHub
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Merge pull request #19126 from taosdata/fix/TD-21221-MAIN 

feat(util): new ASSERT work
上级 d5c64f71 2439c345
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include/common/trow.h
浏览文件 @ 919df1f0
......@@ -20,7 +20,6 @@
#include "talgo.h"
#include "taosdef.h"
#include "taoserror.h"
#include "tbuffer.h"
#include "tdataformat.h"
#include "tdef.h"
#include "ttypes.h"
......
include/libs/function/function.h
浏览文件 @ 919df1f0
......@@ -20,7 +20,6 @@
extern "C" {
#endif
#include "tbuffer.h"
#include "tcommon.h"
#include "tvariant.h"
......
include/util/tbuffer.h 已删除 100644 → 0
浏览文件 @ d5c64f71
/*
* Copyright (c) 2020 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_UTIL_BUFFER_H_
#define _TD_UTIL_BUFFER_H_
#include "os.h"
#ifdef __cplusplus
extern "C" {
#endif
////////////////////////////////////////////////////////////////////////////////
// usage example
/*
#include <stdio.h>
#include "texception.h"
int32_t main( int32_t argc, char** argv ) {
SBufferWriter bw = tbufInitWriter( NULL, false );
TRY( 1 ) {
//--------------------- write ------------------------
// reserve 1024 bytes for the buffer to improve performance
tbufEnsureCapacity( &bw, 1024 );
// reserve space for the interger count
size_t pos = tbufReserve( &bw, sizeof(int32_t) );
// write 5 integers to the buffer
for( int32_t i = 0; i < 5; i++) {
tbufWriteInt32( &bw, i );
}
// write the integer count to buffer at reserved position
tbufWriteInt32At( &bw, pos, 5 );
// write a string to the buffer
tbufWriteString( &bw, "this is a string.\n" );
// acquire the result and close the write buffer
size_t size = tbufTell( &bw );
char* data = tbufGetData( &bw, false );
//------------------------ read -----------------------
SBufferReader br = tbufInitReader( data, size, false );
// read & print out all integers
int32_t count = tbufReadInt32( &br );
for( int32_t i = 0; i < count; i++ ) {
printf( "%d\n", tbufReadInt32(&br) );
}
// read & print out a string
puts( tbufReadString(&br, NULL) );
// try read another integer, this result in an error as there no this integer
tbufReadInt32( &br );
printf( "you should not see this message.\n" );
} CATCH( code ) {
printf( "exception code is: %d, you will see this message after print out 5 integers and a string.\n", code );
} END_TRY
tbufCloseWriter( &bw );
return 0;
}
*/
typedef struct SBufferReader {
bool endian;
const char* data;
size_t pos;
size_t size;
} SBufferReader;
typedef struct SBufferWriter {
bool endian;
char* data;
size_t pos;
size_t size;
void* (*allocator)(void*, size_t);
} SBufferWriter;
// common functions & macros for both reader & writer
#define tbufTell(buf) ((buf)->pos)
/* ------------------------ BUFFER WRITER FUNCTIONS AND MACROS ------------------------ */
// *Allocator*, function to allocate memory, will use 'realloc' if NULL
// *Endian*, if true, writer functions of primitive types will do 'hton' automatically
#define tbufInitWriter(Allocator, Endian) \
{ .endian = (Endian), .data = NULL, .pos = 0, .size = 0, .allocator = ((Allocator) == NULL ? realloc : (Allocator)) }
void tbufCloseWriter(SBufferWriter* buf);
void tbufEnsureCapacity(SBufferWriter* buf, size_t size);
size_t tbufReserve(SBufferWriter* buf, size_t size);
char* tbufGetData(SBufferWriter* buf, bool takeOver);
void tbufWrite(SBufferWriter* buf, const void* data, size_t size);
void tbufWriteAt(SBufferWriter* buf, size_t pos, const void* data, size_t size);
void tbufWriteStringLen(SBufferWriter* buf, const char* str, size_t len);
void tbufWriteString(SBufferWriter* buf, const char* str);
// the prototype of tbufWriteBinary and tbufWrite are identical
// the difference is: tbufWriteBinary writes the length of the data to the buffer
// first, then the actual data, which means the reader don't need to know data
// size before read. Write only write the data itself, which means the reader
// need to know data size before read.
void tbufWriteBinary(SBufferWriter* buf, const void* data, size_t len);
void tbufWriteBool(SBufferWriter* buf, bool data);
void tbufWriteBoolAt(SBufferWriter* buf, size_t pos, bool data);
void tbufWriteChar(SBufferWriter* buf, char data);
void tbufWriteCharAt(SBufferWriter* buf, size_t pos, char data);
void tbufWriteInt8(SBufferWriter* buf, int8_t data);
void tbufWriteInt8At(SBufferWriter* buf, size_t pos, int8_t data);
void tbufWriteUint8(SBufferWriter* buf, uint8_t data);
void tbufWriteUint8At(SBufferWriter* buf, size_t pos, uint8_t data);
void tbufWriteInt16(SBufferWriter* buf, int16_t data);
void tbufWriteInt16At(SBufferWriter* buf, size_t pos, int16_t data);
void tbufWriteUint16(SBufferWriter* buf, uint16_t data);
void tbufWriteUint16At(SBufferWriter* buf, size_t pos, uint16_t data);
void tbufWriteInt32(SBufferWriter* buf, int32_t data);
void tbufWriteInt32At(SBufferWriter* buf, size_t pos, int32_t data);
void tbufWriteUint32(SBufferWriter* buf, uint32_t data);
void tbufWriteUint32At(SBufferWriter* buf, size_t pos, uint32_t data);
void tbufWriteInt64(SBufferWriter* buf, int64_t data);
void tbufWriteInt64At(SBufferWriter* buf, size_t pos, int64_t data);
void tbufWriteUint64(SBufferWriter* buf, uint64_t data);
void tbufWriteUint64At(SBufferWriter* buf, size_t pos, uint64_t data);
void tbufWriteFloat(SBufferWriter* buf, float data);
void tbufWriteFloatAt(SBufferWriter* buf, size_t pos, float data);
void tbufWriteDouble(SBufferWriter* buf, double data);
void tbufWriteDoubleAt(SBufferWriter* buf, size_t pos, double data);
/* ------------------------ BUFFER READER FUNCTIONS AND MACROS ------------------------ */
// *Endian*, if true, reader functions of primitive types will do 'ntoh' automatically
#define tbufInitReader(Data, Size, Endian) \
{ .endian = (Endian), .data = (Data), .pos = 0, .size = ((Data) == NULL ? 0 : (Size)) }
size_t tbufSkip(SBufferReader* buf, size_t size);
const char* tbufRead(SBufferReader* buf, size_t size);
void tbufReadToBuffer(SBufferReader* buf, void* dst, size_t size);
const char* tbufReadString(SBufferReader* buf, size_t* len);
size_t tbufReadToString(SBufferReader* buf, char* dst, size_t size);
const char* tbufReadBinary(SBufferReader* buf, size_t* len);
size_t tbufReadToBinary(SBufferReader* buf, void* dst, size_t size);
bool tbufReadBool(SBufferReader* buf);
char tbufReadChar(SBufferReader* buf);
int8_t tbufReadInt8(SBufferReader* buf);
uint8_t tbufReadUint8(SBufferReader* buf);
int16_t tbufReadInt16(SBufferReader* buf);
uint16_t tbufReadUint16(SBufferReader* buf);
int32_t tbufReadInt32(SBufferReader* buf);
uint32_t tbufReadUint32(SBufferReader* buf);
int64_t tbufReadInt64(SBufferReader* buf);
uint64_t tbufReadUint64(SBufferReader* buf);
float tbufReadFloat(SBufferReader* buf);
double tbufReadDouble(SBufferReader* buf);
#ifdef __cplusplus
}
#endif
#endif /*_TD_UTIL_BUFFER_H_*/
source/dnode/mnode/impl/src/mndTelem.c
浏览文件 @ 919df1f0
......@@ -17,7 +17,6 @@
#include "mndTelem.h"
#include "mndCluster.h"
#include "mndSync.h"
#include "tbuffer.h"
#include "thttp.h"
#include "tjson.h"
......
source/libs/executor/inc/executil.h
浏览文件 @ 919df1f0
......@@ -18,7 +18,6 @@
#include "function.h"
#include "nodes.h"
#include "plannodes.h"
#include "tbuffer.h"
#include "tcommon.h"
#include "tpagedbuf.h"
#include "tsimplehash.h"
......
source/libs/function/src/tfunctionInt.c
浏览文件 @ 919df1f0
......@@ -20,7 +20,6 @@
#include "ttypes.h"
#include "function.h"
#include "tbuffer.h"
#include "tcompression.h"
#include "tdatablock.h"
#include "tfunctionInt.h"
......
source/util/src/talgo.c
浏览文件 @ 919df1f0
......@@ -39,7 +39,7 @@ static void median(void *src, int64_t size, int64_t s, int64_t e, const void *pa
doswap(elePtrAt(src, size, s), elePtrAt(src, size, e), size, buf);
}
assert(comparFn(elePtrAt(src, size, mid), elePtrAt(src, size, s), param) <= 0 &&
ASSERT(comparFn(elePtrAt(src, size, mid), elePtrAt(src, size, s), param) <= 0 &&
comparFn(elePtrAt(src, size, s), elePtrAt(src, size, e), param) <= 0);
#ifdef _DEBUG_VIEW
......
source/util/src/tbuffer.c 已删除 100644 → 0
浏览文件 @ d5c64f71
/*
* Copyright (c) 2020 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _DEFAULT_SOURCE
#include "tbuffer.h"
#include "texception.h"
typedef union Un4B {
uint32_t ui;
float f;
} Un4B;
#if __STDC_VERSION__ >= 201112LL
static_assert(sizeof(Un4B) == sizeof(uint32_t), "sizeof(Un4B) must equal to sizeof(uint32_t)");
static_assert(sizeof(Un4B) == sizeof(float), "sizeof(Un4B) must equal to sizeof(float)");
#endif
typedef union Un8B {
uint64_t ull;
double d;
} Un8B;
#if __STDC_VERSION__ >= 201112LL
static_assert(sizeof(Un8B) == sizeof(uint64_t), "sizeof(Un8B) must equal to sizeof(uint64_t)");
static_assert(sizeof(Un8B) == sizeof(double), "sizeof(Un8B) must equal to sizeof(double)");
#endif
////////////////////////////////////////////////////////////////////////////////
// reader functions
size_t tbufSkip(SBufferReader* buf, size_t size) {
if ((buf->pos + size) > buf->size) {
THROW(-1);
}
size_t old = buf->pos;
buf->pos += size;
return old;
}
const char* tbufRead(SBufferReader* buf, size_t size) {
const char* ret = buf->data + buf->pos;
tbufSkip(buf, size);
return ret;
}
void tbufReadToBuffer(SBufferReader* buf, void* dst, size_t size) {
assert(dst != NULL);
// always using memcpy, leave optimization to compiler
memcpy(dst, tbufRead(buf, size), size);
}
static size_t tbufReadLength(SBufferReader* buf) {
// maximum length is 65535, if larger length is required
// this function and the corresponding write function need to be
// revised.
uint16_t l = tbufReadUint16(buf);
return l;
}
const char* tbufReadString(SBufferReader* buf, size_t* len) {
size_t l = tbufReadLength(buf);
const char* ret = buf->data + buf->pos;
tbufSkip(buf, l + 1);
if (ret[l] != 0) {
THROW(-1);
}
if (len != NULL) {
*len = l;
}
return ret;
}
size_t tbufReadToString(SBufferReader* buf, char* dst, size_t size) {
assert(dst != NULL);
size_t len;
const char* str = tbufReadString(buf, &len);
if (len >= size) {
len = size - 1;
}
memcpy(dst, str, len);
dst[len] = 0;
return len;
}
const char* tbufReadBinary(SBufferReader* buf, size_t* len) {
size_t l = tbufReadLength(buf);
const char* ret = buf->data + buf->pos;
tbufSkip(buf, l);
if (len != NULL) {
*len = l;
}
return ret;
}
size_t tbufReadToBinary(SBufferReader* buf, void* dst, size_t size) {
assert(dst != NULL);
size_t len;
const char* data = tbufReadBinary(buf, &len);
if (len >= size) {
len = size;
}
memcpy(dst, data, len);
return len;
}
bool tbufReadBool(SBufferReader* buf) {
bool ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
return ret;
}
char tbufReadChar(SBufferReader* buf) {
char ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
return ret;
}
int8_t tbufReadInt8(SBufferReader* buf) {
int8_t ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
return ret;
}
uint8_t tbufReadUint8(SBufferReader* buf) {
uint8_t ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
return ret;
}
int16_t tbufReadInt16(SBufferReader* buf) {
int16_t ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
if (buf->endian) {
return (int16_t)ntohs(ret);
}
return ret;
}
uint16_t tbufReadUint16(SBufferReader* buf) {
uint16_t ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
if (buf->endian) {
return ntohs(ret);
}
return ret;
}
int32_t tbufReadInt32(SBufferReader* buf) {
int32_t ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
if (buf->endian) {
return (int32_t)ntohl(ret);
}
return ret;
}
uint32_t tbufReadUint32(SBufferReader* buf) {
uint32_t ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
if (buf->endian) {
return ntohl(ret);
}
return ret;
}
int64_t tbufReadInt64(SBufferReader* buf) {
int64_t ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
if (buf->endian) {
return (int64_t)htobe64(ret); // TODO: ntohll
}
return ret;
}
uint64_t tbufReadUint64(SBufferReader* buf) {
uint64_t ret;
tbufReadToBuffer(buf, &ret, sizeof(ret));
if (buf->endian) {
return htobe64(ret); // TODO: ntohll
}
return ret;
}
float tbufReadFloat(SBufferReader* buf) {
Un4B _un;
tbufReadToBuffer(buf, &_un, sizeof(_un));
if (buf->endian) {
_un.ui = ntohl(_un.ui);
}
return _un.f;
}
double tbufReadDouble(SBufferReader* buf) {
Un8B _un;
tbufReadToBuffer(buf, &_un, sizeof(_un));
if (buf->endian) {
_un.ull = htobe64(_un.ull);
}
return _un.d;
}
////////////////////////////////////////////////////////////////////////////////
// writer functions
void tbufCloseWriter(SBufferWriter* buf) {
taosMemoryFreeClear(buf->data);
// (*buf->allocator)( buf->data, 0 ); // potential memory leak.
buf->data = NULL;
buf->pos = 0;
buf->size = 0;
}
void tbufEnsureCapacity(SBufferWriter* buf, size_t size) {
size += buf->pos;
if (size > buf->size) {
size_t nsize = size + buf->size;
char* data = (*buf->allocator)(buf->data, nsize);
// TODO: the exception should be thrown by the allocator function
if (data == NULL) {
THROW(-1);
}
buf->data = data;
buf->size = nsize;
}
}
size_t tbufReserve(SBufferWriter* buf, size_t size) {
tbufEnsureCapacity(buf, size);
size_t old = buf->pos;
buf->pos += size;
return old;
}
char* tbufGetData(SBufferWriter* buf, bool takeOver) {
char* ret = buf->data;
if (takeOver) {
buf->pos = 0;
buf->size = 0;
buf->data = NULL;
}
return ret;
}
void tbufWrite(SBufferWriter* buf, const void* data, size_t size) {
assert(data != NULL);
tbufEnsureCapacity(buf, size);
memcpy(buf->data + buf->pos, data, size);
buf->pos += size;
}
void tbufWriteAt(SBufferWriter* buf, size_t pos, const void* data, size_t size) {
assert(data != NULL);
// this function can only be called to fill the gap on previous writes,
// so 'pos + size <= buf->pos' must be true
assert(pos + size <= buf->pos);
memcpy(buf->data + pos, data, size);
}
static void tbufWriteLength(SBufferWriter* buf, size_t len) {
// maximum length is 65535, if larger length is required
// this function and the corresponding read function need to be
// revised.
assert(len <= 0xffff);
tbufWriteUint16(buf, (uint16_t)len);
}
void tbufWriteStringLen(SBufferWriter* buf, const char* str, size_t len) {
tbufWriteLength(buf, len);
tbufWrite(buf, str, len);
tbufWriteChar(buf, '\0');
}
void tbufWriteString(SBufferWriter* buf, const char* str) { tbufWriteStringLen(buf, str, strlen(str)); }
void tbufWriteBinary(SBufferWriter* buf, const void* data, size_t len) {
tbufWriteLength(buf, len);
tbufWrite(buf, data, len);
}
void tbufWriteBool(SBufferWriter* buf, bool data) { tbufWrite(buf, &data, sizeof(data)); }
void tbufWriteBoolAt(SBufferWriter* buf, size_t pos, bool data) { tbufWriteAt(buf, pos, &data, sizeof(data)); }
void tbufWriteChar(SBufferWriter* buf, char data) { tbufWrite(buf, &data, sizeof(data)); }
void tbufWriteCharAt(SBufferWriter* buf, size_t pos, char data) { tbufWriteAt(buf, pos, &data, sizeof(data)); }
void tbufWriteInt8(SBufferWriter* buf, int8_t data) { tbufWrite(buf, &data, sizeof(data)); }
void tbufWriteInt8At(SBufferWriter* buf, size_t pos, int8_t data) { tbufWriteAt(buf, pos, &data, sizeof(data)); }
void tbufWriteUint8(SBufferWriter* buf, uint8_t data) { tbufWrite(buf, &data, sizeof(data)); }
void tbufWriteUint8At(SBufferWriter* buf, size_t pos, uint8_t data) { tbufWriteAt(buf, pos, &data, sizeof(data)); }
void tbufWriteInt16(SBufferWriter* buf, int16_t data) {
if (buf->endian) {
data = (int16_t)htons(data);
}
tbufWrite(buf, &data, sizeof(data));
}
void tbufWriteInt16At(SBufferWriter* buf, size_t pos, int16_t data) {
if (buf->endian) {
data = (int16_t)htons(data);
}
tbufWriteAt(buf, pos, &data, sizeof(data));
}
void tbufWriteUint16(SBufferWriter* buf, uint16_t data) {
if (buf->endian) {
data = htons(data);
}
tbufWrite(buf, &data, sizeof(data));
}
void tbufWriteUint16At(SBufferWriter* buf, size_t pos, uint16_t data) {
if (buf->endian) {
data = htons(data);
}
tbufWriteAt(buf, pos, &data, sizeof(data));
}
void tbufWriteInt32(SBufferWriter* buf, int32_t data) {
if (buf->endian) {
data = (int32_t)htonl(data);
}
tbufWrite(buf, &data, sizeof(data));
}
void tbufWriteInt32At(SBufferWriter* buf, size_t pos, int32_t data) {
if (buf->endian) {
data = (int32_t)htonl(data);
}
tbufWriteAt(buf, pos, &data, sizeof(data));
}
void tbufWriteUint32(SBufferWriter* buf, uint32_t data) {
if (buf->endian) {
data = htonl(data);
}
tbufWrite(buf, &data, sizeof(data));
}
void tbufWriteUint32At(SBufferWriter* buf, size_t pos, uint32_t data) {
if (buf->endian) {
data = htonl(data);
}
tbufWriteAt(buf, pos, &data, sizeof(data));
}
void tbufWriteInt64(SBufferWriter* buf, int64_t data) {
if (buf->endian) {
data = (int64_t)htobe64(data);
}
tbufWrite(buf, &data, sizeof(data));
}
void tbufWriteInt64At(SBufferWriter* buf, size_t pos, int64_t data) {
if (buf->endian) {
data = (int64_t)htobe64(data);
}
tbufWriteAt(buf, pos, &data, sizeof(data));
}
void tbufWriteUint64(SBufferWriter* buf, uint64_t data) {
if (buf->endian) {
data = htobe64(data);
}
tbufWrite(buf, &data, sizeof(data));
}
void tbufWriteUint64At(SBufferWriter* buf, size_t pos, uint64_t data) {
if (buf->endian) {
data = htobe64(data);
}
tbufWriteAt(buf, pos, &data, sizeof(data));
}
void tbufWriteFloat(SBufferWriter* buf, float data) {
Un4B _un;
_un.f = data;
if (buf->endian) {
_un.ui = htonl(_un.ui);
}
tbufWrite(buf, &_un, sizeof(_un));
}
void tbufWriteFloatAt(SBufferWriter* buf, size_t pos, float data) {
Un4B _un;
_un.f = data;
if (buf->endian) {
_un.ui = htonl(_un.ui);
}
tbufWriteAt(buf, pos, &_un, sizeof(_un));
}
void tbufWriteDouble(SBufferWriter* buf, double data) {
Un8B _un;
_un.d = data;
if (buf->endian) {
_un.ull = htobe64(_un.ull);
}
tbufWrite(buf, &_un, sizeof(_un));
}
void tbufWriteDoubleAt(SBufferWriter* buf, size_t pos, double data) {
Un8B _un;
_un.d = data;
if (buf->endian) {
_un.ull = htobe64(_un.ull);
}
tbufWriteAt(buf, pos, &_un, sizeof(_un));
}
source/util/src/tcompare.c
浏览文件 @ 919df1f0
......@@ -244,7 +244,7 @@ int32_t compareJsonVal(const void *pLeft, const void *pRight) {
} else if (leftType == TSDB_DATA_TYPE_NULL) {
return 0;
} else {
assert(0);
ASSERTS(0, "data type unexpected");
return 0;
}
}
......@@ -1285,7 +1285,7 @@ __compar_fn_t getComparFunc(int32_t type, int32_t optr) {
case TSDB_DATA_TYPE_TIMESTAMP:
return setChkInBytes8;
default:
assert(0);
ASSERTS(0, "data type unexpected");
}
}
......@@ -1308,7 +1308,7 @@ __compar_fn_t getComparFunc(int32_t type, int32_t optr) {
case TSDB_DATA_TYPE_TIMESTAMP:
return setChkNotInBytes8;
default:
assert(0);
ASSERTS(0, "data type unexpected");
}
}
......
source/util/src/tcompression.c
浏览文件 @ 919df1f0
......@@ -470,7 +470,7 @@ int32_t tsDecompressStringImp(const char *const input, int32_t compressedSize, c
// TODO: Take care here, we assumes little endian encoding.
int32_t tsCompressTimestampImp(const char *const input, const int32_t nelements, char *const output) {
int32_t _pos = 1;
assert(nelements >= 0);
ASSERTS(nelements >= 0, "nelements is negative");
if (nelements == 0) return 0;
......@@ -565,7 +565,7 @@ _exit_over:
}
int32_t tsDecompressTimestampImp(const char *const input, const int32_t nelements, char *const output) {
assert(nelements >= 0);
ASSERTS(nelements >= 0, "nelements is negative");
if (nelements == 0) return 0;
if (input[0] == 0) {
......@@ -629,7 +629,7 @@ int32_t tsDecompressTimestampImp(const char *const input, const int32_t nelement
}
} else {
assert(0);
ASSERT(0);
return -1;
}
}
......@@ -2146,7 +2146,7 @@ int32_t tsCompressTimestamp(void *pIn, int32_t nIn, int32_t nEle, void *pOut, in
int32_t len = tsCompressTimestampImp(pIn, nEle, pBuf);
return tsCompressStringImp(pBuf, len, pOut, nOut);
} else {
assert(0);
ASSERTS(0, "compress algo not one or two stage");
return -1;
}
}
......@@ -2159,7 +2159,7 @@ int32_t tsDecompressTimestamp(void *pIn, int32_t nIn, int32_t nEle, void *pOut,
if (tsDecompressStringImp(pIn, nIn, pBuf, nBuf) < 0) return -1;
return tsDecompressTimestampImp(pBuf, nEle, pOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2180,7 +2180,7 @@ int32_t tsCompressFloat(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int32_
int32_t len = tsCompressFloatImp(pIn, nEle, pBuf);
return tsCompressStringImp(pBuf, len, pOut, nOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
#ifdef TD_TSZ
......@@ -2203,7 +2203,7 @@ int32_t tsDecompressFloat(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int3
if (tsDecompressStringImp(pIn, nIn, pBuf, nBuf) < 0) return -1;
return tsDecompressFloatImp(pBuf, nEle, pOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
#ifdef TD_TSZ
......@@ -2227,7 +2227,7 @@ int32_t tsCompressDouble(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int32
int32_t len = tsCompressDoubleImp(pIn, nEle, pBuf);
return tsCompressStringImp(pBuf, len, pOut, nOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
#ifdef TD_TSZ
......@@ -2250,7 +2250,7 @@ int32_t tsDecompressDouble(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int
if (tsDecompressStringImp(pIn, nIn, pBuf, nBuf) < 0) return -1;
return tsDecompressDoubleImp(pBuf, nEle, pOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
#ifdef TD_TSZ
......@@ -2281,7 +2281,7 @@ int32_t tsCompressBool(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int32_t
}
return tsCompressStringImp(pBuf, len, pOut, nOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2294,7 +2294,7 @@ int32_t tsDecompressBool(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int32
if (tsDecompressStringImp(pIn, nIn, pBuf, nBuf) < 0) return -1;
return tsDecompressBoolImp(pBuf, nEle, pOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2308,7 +2308,7 @@ int32_t tsCompressTinyint(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int3
int32_t len = tsCompressINTImp(pIn, nEle, pBuf, TSDB_DATA_TYPE_TINYINT);
return tsCompressStringImp(pBuf, len, pOut, nOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2321,7 +2321,7 @@ int32_t tsDecompressTinyint(void *pIn, int32_t nIn, int32_t nEle, void *pOut, in
if (tsDecompressStringImp(pIn, nIn, pBuf, nBuf) < 0) return -1;
return tsDecompressINTImp(pBuf, nEle, pOut, TSDB_DATA_TYPE_TINYINT);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2335,7 +2335,7 @@ int32_t tsCompressSmallint(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int
int32_t len = tsCompressINTImp(pIn, nEle, pBuf, TSDB_DATA_TYPE_SMALLINT);
return tsCompressStringImp(pBuf, len, pOut, nOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2348,7 +2348,7 @@ int32_t tsDecompressSmallint(void *pIn, int32_t nIn, int32_t nEle, void *pOut, i
if (tsDecompressStringImp(pIn, nIn, pBuf, nBuf) < 0) return -1;
return tsDecompressINTImp(pBuf, nEle, pOut, TSDB_DATA_TYPE_SMALLINT);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2362,7 +2362,7 @@ int32_t tsCompressInt(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int32_t
int32_t len = tsCompressINTImp(pIn, nEle, pBuf, TSDB_DATA_TYPE_INT);
return tsCompressStringImp(pBuf, len, pOut, nOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2375,7 +2375,7 @@ int32_t tsDecompressInt(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int32_
if (tsDecompressStringImp(pIn, nIn, pBuf, nBuf) < 0) return -1;
return tsDecompressINTImp(pBuf, nEle, pOut, TSDB_DATA_TYPE_INT);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2389,7 +2389,7 @@ int32_t tsCompressBigint(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int32
int32_t len = tsCompressINTImp(pIn, nEle, pBuf, TSDB_DATA_TYPE_BIGINT);
return tsCompressStringImp(pBuf, len, pOut, nOut);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
......@@ -2402,7 +2402,7 @@ int32_t tsDecompressBigint(void *pIn, int32_t nIn, int32_t nEle, void *pOut, int
if (tsDecompressStringImp(pIn, nIn, pBuf, nBuf) < 0) return -1;
return tsDecompressINTImp(pBuf, nEle, pOut, TSDB_DATA_TYPE_BIGINT);
} else {
assert(0);
ASSERTS(0, "compress algo invalid");
return -1;
}
}
source/util/src/tdigest.c
浏览文件 @ 919df1f0
......@@ -27,6 +27,7 @@
#include "tdigest.h"
#include "os.h"
#include "osMath.h"
#include "tlog.h"
#define INTERPOLATE(x, x0, x1) (((x) - (x0)) / ((x1) - (x0)))
//#define INTEGRATED_LOCATION(compression, q) ((compression) * (asin(2 * (q) - 1) + M_PI / 2) / M_PI)
......@@ -135,24 +136,24 @@ void tdigestCompress(TDigest *t) {
if (a->mean <= b->mean) {
mergeCentroid(&args, a);
assert(args.idx < t->size);
ASSERTS(args.idx < t->size, "idx over size");
i++;
} else {
mergeCentroid(&args, b);
assert(args.idx < t->size);
ASSERTS(args.idx < t->size, "idx over size");
j++;
}
}
while (i < num_unmerged) {
mergeCentroid(&args, &unmerged_centroids[i++]);
assert(args.idx < t->size);
ASSERTS(args.idx < t->size, "idx over size");
}
taosMemoryFree((void *)unmerged_centroids);
while (j < t->num_centroids) {
mergeCentroid(&args, &t->centroids[j++]);
assert(args.idx < t->size);
ASSERTS(args.idx < t->size, "idx over size");
}
if (t->total_weight > 0) {
......
source/util/src/texception.c
浏览文件 @ 919df1f0
......@@ -15,6 +15,7 @@
#define _DEFAULT_SOURCE
#include "texception.h"
#include "tlog.h"
static threadlocal SExceptionNode* expList;
......@@ -71,7 +72,7 @@ static wrapper wrappers[] = {
};
void cleanupPush_void_ptr_ptr(bool failOnly, void* func, void* arg1, void* arg2) {
assert(expList->numCleanupAction < expList->maxCleanupAction);
ASSERTS(expList->numCleanupAction < expList->maxCleanupAction, "numCleanupAction over maxCleanupAction");
SCleanupAction* ca = expList->cleanupActions + expList->numCleanupAction++;
ca->wrapper = 0;
......@@ -82,7 +83,7 @@ void cleanupPush_void_ptr_ptr(bool failOnly, void* func, void* arg1, void* arg2)
}
void cleanupPush_void_ptr_bool(bool failOnly, void* func, void* arg1, bool arg2) {
assert(expList->numCleanupAction < expList->maxCleanupAction);
ASSERTS(expList->numCleanupAction < expList->maxCleanupAction, "numCleanupAction over maxCleanupAction");
SCleanupAction* ca = expList->cleanupActions + expList->numCleanupAction++;
ca->wrapper = 1;
......@@ -93,7 +94,7 @@ void cleanupPush_void_ptr_bool(bool failOnly, void* func, void* arg1, bool arg2)
}
void cleanupPush_void_ptr(bool failOnly, void* func, void* arg) {
assert(expList->numCleanupAction < expList->maxCleanupAction);
ASSERTS(expList->numCleanupAction < expList->maxCleanupAction, "numCleanupAction over maxCleanupAction");
SCleanupAction* ca = expList->cleanupActions + expList->numCleanupAction++;
ca->wrapper = 2;
......@@ -103,7 +104,7 @@ void cleanupPush_void_ptr(bool failOnly, void* func, void* arg) {
}
void cleanupPush_int_int(bool failOnly, void* func, int32_t arg) {
assert(expList->numCleanupAction < expList->maxCleanupAction);
ASSERTS(expList->numCleanupAction < expList->maxCleanupAction, "numCleanupAction over maxCleanupAction");
SCleanupAction* ca = expList->cleanupActions + expList->numCleanupAction++;
ca->wrapper = 3;
......@@ -113,7 +114,7 @@ void cleanupPush_int_int(bool failOnly, void* func, int32_t arg) {
}
void cleanupPush_void(bool failOnly, void* func) {
assert(expList->numCleanupAction < expList->maxCleanupAction);
ASSERTS(expList->numCleanupAction < expList->maxCleanupAction, "numCleanupAction over maxCleanupAction");
SCleanupAction* ca = expList->cleanupActions + expList->numCleanupAction++;
ca->wrapper = 4;
......@@ -122,7 +123,7 @@ void cleanupPush_void(bool failOnly, void* func) {
}
void cleanupPush_int_ptr(bool failOnly, void* func, void* arg) {
assert(expList->numCleanupAction < expList->maxCleanupAction);
ASSERTS(expList->numCleanupAction < expList->maxCleanupAction, "numCleanupAction over maxCleanupAction");
SCleanupAction* ca = expList->cleanupActions + expList->numCleanupAction++;
ca->wrapper = 5;
......
source/util/src/tlosertree.c
浏览文件 @ 919df1f0
......@@ -20,7 +20,7 @@
// Set the initial value of the multiway merge tree.
static void tMergeTreeInit(SMultiwayMergeTreeInfo* pTree) {
assert((pTree->totalSources & 0x01) == 0 && (pTree->numOfSources << 1 == pTree->totalSources));
ASSERT((pTree->totalSources & 0x01) == 0 && (pTree->numOfSources << 1 == pTree->totalSources));
for (int32_t i = 0; i < pTree->totalSources; ++i) {
if (i < pTree->numOfSources) {
......@@ -80,7 +80,7 @@ void tMergeTreeDestroy(SMultiwayMergeTreeInfo* pTree) {
}
void tMergeTreeAdjust(SMultiwayMergeTreeInfo* pTree, int32_t idx) {
assert(idx <= pTree->totalSources - 1 && idx >= pTree->numOfSources && pTree->totalSources >= 2);
ASSERT(idx <= pTree->totalSources - 1 && idx >= pTree->numOfSources && pTree->totalSources >= 2);
if (pTree->totalSources == 2) {
pTree->pNode[0].index = 0;
......@@ -115,7 +115,7 @@ void tMergeTreeAdjust(SMultiwayMergeTreeInfo* pTree, int32_t idx) {
}
void tMergeTreeRebuild(SMultiwayMergeTreeInfo* pTree) {
assert((pTree->totalSources & 0x1) == 0);
ASSERT((pTree->totalSources & 0x1) == 0);
tMergeTreeInit(pTree);
for (int32_t i = pTree->totalSources - 1; i >= pTree->numOfSources; i--) {
......
source/util/src/tpagedbuf.c
浏览文件 @ 919df1f0
......@@ -125,20 +125,20 @@ static FORCE_INLINE size_t getAllocPageSize(int32_t pageSize) { return pageSize
* @return
*/
static char* doFlushPageToDisk(SDiskbasedBuf* pBuf, SPageInfo* pg) {
assert(!pg->used && pg->pData != NULL);
ASSERT(!pg->used && pg->pData != NULL);
int32_t size = pBuf->pageSize;
char* t = NULL;
if (pg->offset == -1 || pg->dirty) {
void* payload = GET_DATA_PAYLOAD(pg);
t = doCompressData(payload, pBuf->pageSize, &size, pBuf);
assert(size >= 0);
ASSERTS(size >= 0, "size is negative");
}
// this page is flushed to disk for the first time
if (pg->dirty) {
if (pg->offset == -1) {
assert(pg->dirty == true);
ASSERTS(pg->dirty == true, "pg->dirty is false");
pg->offset = allocatePositionInFile(pBuf, size);
pBuf->nextPos += size;
......@@ -210,7 +210,7 @@ static char* doFlushPageToDisk(SDiskbasedBuf* pBuf, SPageInfo* pg) {
static char* flushPageToDisk(SDiskbasedBuf* pBuf, SPageInfo* pg) {
int32_t ret = TSDB_CODE_SUCCESS;
assert(((int64_t)pBuf->numOfPages * pBuf->pageSize) == pBuf->totalBufSize && pBuf->numOfPages >= pBuf->inMemPages);
ASSERT(((int64_t)pBuf->numOfPages * pBuf->pageSize) == pBuf->totalBufSize && pBuf->numOfPages >= pBuf->inMemPages);
if (pBuf->pFile == NULL) {
if ((ret = createDiskFile(pBuf)) != TSDB_CODE_SUCCESS) {
......@@ -272,7 +272,7 @@ static SListNode* getEldestUnrefedPage(SDiskbasedBuf* pBuf) {
SListNode* pn = NULL;
while ((pn = tdListNext(&iter)) != NULL) {
SPageInfo* pageInfo = *(SPageInfo**)pn->data;
assert(pageInfo->pageId >= 0 && pageInfo->pn == pn);
ASSERT(pageInfo->pageId >= 0 && pageInfo->pn == pn);
if (!pageInfo->used) {
// printf("%d is chosen\n", pageInfo->pageId);
......@@ -303,7 +303,7 @@ static char* evacOneDataPage(SDiskbasedBuf* pBuf) {
tdListPopNode(pBuf->lruList, pn);
SPageInfo* d = *(SPageInfo**)pn->data;
assert(d->pn == pn);
ASSERTS(d->pn == pn, "d->pn not equal pn");
d->pn = NULL;
taosMemoryFreeClear(pn);
......@@ -353,7 +353,7 @@ int32_t createDiskbasedBuf(SDiskbasedBuf** pBuf, int32_t pagesize, int32_t inMem
pPBuf->freePgList = tdListNew(POINTER_BYTES);
// at least more than 2 pages must be in memory
assert(inMemBufSize >= pagesize * 2);
ASSERT(inMemBufSize >= pagesize * 2);
pPBuf->lruList = tdListNew(POINTER_BYTES);
......@@ -402,7 +402,7 @@ void* getNewBufPage(SDiskbasedBuf* pBuf, int32_t* pageId) {
}
// add to LRU list
assert(listNEles(pBuf->lruList) < pBuf->inMemPages && pBuf->inMemPages > 0);
ASSERT(listNEles(pBuf->lruList) < pBuf->inMemPages && pBuf->inMemPages > 0);
lruListPushFront(pBuf->lruList, pi);
// allocate buf
......@@ -421,11 +421,11 @@ void* getNewBufPage(SDiskbasedBuf* pBuf, int32_t* pageId) {
}
void* getBufPage(SDiskbasedBuf* pBuf, int32_t id) {
assert(pBuf != NULL && id >= 0);
ASSERT(pBuf != NULL && id >= 0);
pBuf->statis.getPages += 1;
SPageInfo** pi = taosHashGet(pBuf->all, &id, sizeof(int32_t));
assert(pi != NULL && *pi != NULL);
ASSERT(pi != NULL && *pi != NULL);
if ((*pi)->pData != NULL) { // it is in memory
// no need to update the LRU list if only one page exists
......@@ -435,7 +435,7 @@ void* getBufPage(SDiskbasedBuf* pBuf, int32_t id) {
}
SPageInfo** pInfo = (SPageInfo**)((*pi)->pn->data);
assert(*pInfo == *pi);
ASSERT(*pInfo == *pi);
lruListMoveToFront(pBuf->lruList, (*pi));
(*pi)->used = true;
......@@ -444,7 +444,7 @@ void* getBufPage(SDiskbasedBuf* pBuf, int32_t id) {
#endif
return (void*)(GET_DATA_PAYLOAD(*pi));
} else { // not in memory
assert((*pi)->pData == NULL && (*pi)->pn == NULL &&
ASSERT((*pi)->pData == NULL && (*pi)->pn == NULL &&
(((*pi)->length >= 0 && (*pi)->offset >= 0) || ((*pi)->length == -1 && (*pi)->offset == -1)));
char* availablePage = NULL;
......@@ -482,7 +482,9 @@ void* getBufPage(SDiskbasedBuf* pBuf, int32_t id) {
}
void releaseBufPage(SDiskbasedBuf* pBuf, void* page) {
assert(pBuf != NULL && page != NULL);
if (ASSERTS(pBuf != NULL && page != NULL, "pBuf or page is NULL")) {
return;
}
SPageInfo* ppi = getPageInfoFromPayload(page);
releaseBufPageInfo(pBuf, ppi);
}
......@@ -491,8 +493,10 @@ void releaseBufPageInfo(SDiskbasedBuf* pBuf, SPageInfo* pi) {
#ifdef BUF_PAGE_DEBUG
uDebug("page_releaseBufPageInfo pageId:%d, used:%d, offset:%" PRId64, pi->pageId, pi->used, pi->offset);
#endif
// assert(pi->pData != NULL && pi->used == true);
assert(pi->pData != NULL);
if (ASSERTS(pi->pData != NULL, "pi->pData is NULL")) {
return;
}
pi->used = false;
pBuf->statis.releasePages += 1;
}
......
source/util/src/trbtree.c
浏览文件 @ 919df1f0
......@@ -14,6 +14,7 @@
*/
#include "trbtree.h"
#include "tlog.h"
static void tRBTreeRotateLeft(SRBTree *pTree, SRBTreeNode *x) {
SRBTreeNode *y = x->right;
......@@ -258,7 +259,7 @@ static void rbtree_delete_fixup(rbtree_t *rbtree, rbnode_t *child, rbnode_t *chi
child_parent->color = BLACK;
return;
}
assert(sibling != RBTREE_NULL);
ASSERTS(sibling != RBTREE_NULL, "sibling is NULL");
/* get a new sibling, by rotating at sibling. See which child
of sibling is red */
......@@ -288,11 +289,11 @@ static void rbtree_delete_fixup(rbtree_t *rbtree, rbnode_t *child, rbnode_t *chi
sibling->color = child_parent->color;
child_parent->color = BLACK;
if (child_parent->right == child) {
assert(sibling->left->color == RED);
ASSERTS(sibling->left->color == RED, "slibing->left->color=%d not equal RED", sibling->left->color);
sibling->left->color = BLACK;
rbtree_rotate_right(rbtree, child_parent);
} else {
assert(sibling->right->color == RED);
ASSERTS(sibling->right->color == RED, "slibing->right->color=%d not equal RED", sibling->right->color);
sibling->right->color = BLACK;
rbtree_rotate_left(rbtree, child_parent);
}
......@@ -315,18 +316,18 @@ static void swap_np(rbnode_t **x, rbnode_t **y) {
/** Update parent pointers of child trees of 'parent' */
static void change_parent_ptr(rbtree_t *rbtree, rbnode_t *parent, rbnode_t *old, rbnode_t *new) {
if (parent == RBTREE_NULL) {
assert(rbtree->root == old);
ASSERTS(rbtree->root == old, "root not equal old");
if (rbtree->root == old) rbtree->root = new;
return;
}
assert(parent->left == old || parent->right == old || parent->left == new || parent->right == new);
ASSERT(parent->left == old || parent->right == old || parent->left == new || parent->right == new);
if (parent->left == old) parent->left = new;
if (parent->right == old) parent->right = new;
}
/** Update parent pointer of a node 'child' */
static void change_child_ptr(rbtree_t *rbtree, rbnode_t *child, rbnode_t *old, rbnode_t *new) {
if (child == RBTREE_NULL) return;
assert(child->parent == old || child->parent == new);
ASSERT(child->parent == old || child->parent == new);
if (child->parent == old) child->parent = new;
}
......@@ -371,7 +372,7 @@ rbnode_t *rbtree_delete(rbtree_t *rbtree, void *key) {
/* now delete to_delete (which is at the location where the smright previously was) */
}
assert(to_delete->left == RBTREE_NULL || to_delete->right == RBTREE_NULL);
ASSERT(to_delete->left == RBTREE_NULL || to_delete->right == RBTREE_NULL);
if (to_delete->left != RBTREE_NULL)
child = to_delete->left;
......
source/util/src/tref.c
浏览文件 @ 919df1f0
......@@ -466,7 +466,7 @@ static void taosLockList(int64_t *lockedBy) {
static void taosUnlockList(int64_t *lockedBy) {
int64_t tid = taosGetSelfPthreadId();
if (atomic_val_compare_exchange_64(lockedBy, tid, 0) != tid) {
assert(false);
ASSERTS(false, "atomic_val_compare_exchange_64 tid failed");
}
}
......
source/util/src/ttimer.c
浏览文件 @ 919df1f0
......@@ -159,8 +159,7 @@ static void lockTimerList(timer_list_t* list) {
static void unlockTimerList(timer_list_t* list) {
int64_t tid = taosGetSelfPthreadId();
if (atomic_val_compare_exchange_64(&(list->lockedBy), tid, 0) != tid) {
assert(false);
tmrError("%" PRId64 " trying to unlock a timer list not locked by current thread.", tid);
ASSERTS(false, "%" PRId64 " trying to unlock a timer list not locked by current thread.", tid);
}
}
......@@ -506,7 +505,7 @@ bool taosTmrReset(TAOS_TMR_CALLBACK fp, int32_t mseconds, void* param, void* han
}
}
assert(timer->refCount == 1);
ASSERTS(timer->refCount == 1, "timer refCount=%d not expected 1", timer->refCount);
memset(timer, 0, sizeof(*timer));
*pTmrId = (tmr_h)doStartTimer(timer, fp, mseconds, param, ctrl);
......
source/util/src/tutil.c
浏览文件 @ 919df1f0
......@@ -15,6 +15,7 @@
#define _DEFAULT_SOURCE
#include "tutil.h"
#include "tlog.h"
void *tmemmem(const char *haystack, int32_t hlen, const char *needle, int32_t nlen) {
const char *limit;
......@@ -117,7 +118,7 @@ char **strsplit(char *z, const char *delim, int32_t *num) {
if ((*num) >= size) {
size = (size << 1);
split = taosMemoryRealloc(split, POINTER_BYTES * size);
assert(NULL != split);
ASSERTS(NULL != split, "realloc memory failed. size=%d", POINTER_BYTES * size);
}
}
......@@ -158,7 +159,9 @@ char *strtolower(char *dst, const char *src) {
int32_t esc = 0;
char quote = 0, *p = dst, c;
assert(dst != NULL);
if (ASSERTS(dst != NULL, "dst is NULL")) {
return NULL;
}
for (c = *src++; c; c = *src++) {
if (esc) {
......@@ -185,7 +188,10 @@ char *strntolower(char *dst, const char *src, int32_t n) {
int32_t esc = 0;
char quote = 0, *p = dst, c;
assert(dst != NULL);
if (ASSERTS(dst != NULL, "dst is NULL")) {
return NULL;
}
if (n == 0) {
*p = 0;
return dst;
......@@ -214,7 +220,10 @@ char *strntolower(char *dst, const char *src, int32_t n) {
char *strntolower_s(char *dst, const char *src, int32_t n) {
char *p = dst, c;
assert(dst != NULL);
if (ASSERTS(dst != NULL, "dst is NULL")) {
return NULL;
}
if (n == 0) {
return NULL;
}
......
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