684 lines
16 KiB
C
684 lines
16 KiB
C
/*
|
|
* Copyright (c) 2019 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 ALLOW_FORBID_FUNC
|
|
#define _DEFAULT_SOURCE
|
|
#include "os.h"
|
|
|
|
#ifndef DISALLOW_NCHAR_WITHOUT_ICONV
|
|
#include "iconv.h"
|
|
#endif
|
|
|
|
extern int wcwidth(wchar_t c);
|
|
extern int wcswidth(const wchar_t *s, size_t n);
|
|
|
|
char *tstrdup(const char *str) {
|
|
#ifdef WINDOWS
|
|
return _strdup(str);
|
|
#else
|
|
char* p = strdup(str);
|
|
if (str != NULL && NULL == p) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
}
|
|
return p;
|
|
|
|
#endif
|
|
}
|
|
|
|
#ifdef WINDOWS
|
|
char *strsep(char **stringp, const char *delim) {
|
|
char *s;
|
|
const char *spanp;
|
|
int32_t c, sc;
|
|
char *tok;
|
|
if ((s = *stringp) == NULL) return (NULL);
|
|
for (tok = s;;) {
|
|
c = *s++;
|
|
spanp = delim;
|
|
do {
|
|
if ((sc = *spanp++) == c) {
|
|
if (c == 0)
|
|
s = NULL;
|
|
else
|
|
s[-1] = 0;
|
|
*stringp = s;
|
|
return (tok);
|
|
}
|
|
} while (sc != 0);
|
|
}
|
|
/* NOTREACHED */
|
|
}
|
|
/* Duplicate a string, up to at most size characters */
|
|
char *strndup(const char *s, int size) {
|
|
size_t l;
|
|
char *s2;
|
|
l = strlen(s);
|
|
if (l > size) l = size;
|
|
s2 = malloc(l + 1);
|
|
if (s2) {
|
|
strncpy(s2, s, l);
|
|
s2[l] = '\0';
|
|
}
|
|
return s2;
|
|
}
|
|
/* Copy no more than N characters of SRC to DEST, returning the address of
|
|
the terminating '\0' in DEST, if any, or else DEST + N. */
|
|
char *stpncpy(char *dest, const char *src, int n) {
|
|
size_t size = strnlen(src, n);
|
|
memcpy(dest, src, size);
|
|
dest += size;
|
|
if (size == n) return dest;
|
|
return memset(dest, '\0', n - size);
|
|
}
|
|
#endif
|
|
|
|
int64_t taosStr2int64(const char *str) {
|
|
char *endptr = NULL;
|
|
return strtoll(str, &endptr, 10);
|
|
}
|
|
|
|
int32_t tasoUcs4Compare(TdUcs4 *f1_ucs4, TdUcs4 *f2_ucs4, int32_t bytes) {
|
|
for (int32_t i = 0; i < bytes; i += sizeof(TdUcs4)) {
|
|
int32_t f1 = *(int32_t *)((char *)f1_ucs4 + i);
|
|
int32_t f2 = *(int32_t *)((char *)f2_ucs4 + i);
|
|
|
|
if ((f1 == 0 && f2 != 0) || (f1 != 0 && f2 == 0)) {
|
|
return f1 - f2;
|
|
} else if (f1 == 0 && f2 == 0) {
|
|
return 0;
|
|
}
|
|
|
|
if (f1 != f2) {
|
|
return f1 - f2;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
//#if 0
|
|
// int32_t ucs4_max_len = bytes + 4;
|
|
// char *f1_mbs = taosMemoryCalloc(bytes, 1);
|
|
// char *f2_mbs = taosMemoryCalloc(bytes, 1);
|
|
// if (taosUcs4ToMbs(f1_ucs4, ucs4_max_len, f1_mbs) < 0) {
|
|
// return -1;
|
|
// }
|
|
// if (taosUcs4ToMbs(f2_ucs4, ucs4_max_len, f2_mbs) < 0) {
|
|
// return -1;
|
|
// }
|
|
// int32_t ret = strcmp(f1_mbs, f2_mbs);
|
|
// taosMemoryFree(f1_mbs);
|
|
// taosMemoryFree(f2_mbs);
|
|
// return ret;
|
|
//#endif
|
|
}
|
|
|
|
int32_t tasoUcs4Copy(TdUcs4 *target_ucs4, TdUcs4 *source_ucs4, int32_t len_ucs4) {
|
|
if (taosMemorySize(target_ucs4) < len_ucs4 * sizeof(TdUcs4)) {
|
|
terrno = TSDB_CODE_INVALID_PARA;
|
|
return terrno;
|
|
}
|
|
|
|
(void)memcpy(target_ucs4, source_ucs4, len_ucs4 * sizeof(TdUcs4));
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
typedef struct {
|
|
iconv_t conv;
|
|
int8_t inUse;
|
|
} SConv;
|
|
|
|
// 0: Mbs --> Ucs4
|
|
// 1: Ucs4--> Mbs
|
|
SConv *gConv[2] = {NULL, NULL};
|
|
int32_t convUsed[2] = {0, 0};
|
|
int32_t gConvMaxNum[2] = {0, 0};
|
|
|
|
int32_t taosConvInit(void) {
|
|
int8_t M2C = 0;
|
|
gConvMaxNum[M2C] = 512;
|
|
gConvMaxNum[1 - M2C] = 512;
|
|
|
|
gConv[M2C] = taosMemoryCalloc(gConvMaxNum[M2C], sizeof(SConv));
|
|
if (gConv[M2C] == NULL) {
|
|
return terrno;
|
|
}
|
|
|
|
gConv[1 - M2C] = taosMemoryCalloc(gConvMaxNum[1 - M2C], sizeof(SConv));
|
|
if (gConv[1 - M2C] == NULL) {
|
|
taosMemoryFree(gConv[M2C]);
|
|
return terrno;
|
|
}
|
|
|
|
for (int32_t i = 0; i < gConvMaxNum[M2C]; ++i) {
|
|
gConv[M2C][i].conv = iconv_open(DEFAULT_UNICODE_ENCODEC, tsCharset);
|
|
if ((iconv_t)-1 == gConv[M2C][i].conv || (iconv_t)0 == gConv[M2C][i].conv) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
return terrno;
|
|
}
|
|
}
|
|
for (int32_t i = 0; i < gConvMaxNum[1 - M2C]; ++i) {
|
|
gConv[1 - M2C][i].conv = iconv_open(tsCharset, DEFAULT_UNICODE_ENCODEC);
|
|
if ((iconv_t)-1 == gConv[1 - M2C][i].conv || (iconv_t)0 == gConv[1 - M2C][i].conv) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
return terrno;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void taosConvDestroy() {
|
|
int8_t M2C = 0;
|
|
for (int32_t i = 0; i < gConvMaxNum[M2C]; ++i) {
|
|
(void)iconv_close(gConv[M2C][i].conv);
|
|
}
|
|
for (int32_t i = 0; i < gConvMaxNum[1 - M2C]; ++i) {
|
|
(void)iconv_close(gConv[1 - M2C][i].conv);
|
|
}
|
|
taosMemoryFreeClear(gConv[M2C]);
|
|
taosMemoryFreeClear(gConv[1 - M2C]);
|
|
gConvMaxNum[M2C] = -1;
|
|
gConvMaxNum[1 - M2C] = -1;
|
|
}
|
|
|
|
iconv_t taosAcquireConv(int32_t *idx, ConvType type) {
|
|
if (gConvMaxNum[type] <= 0) {
|
|
*idx = -1;
|
|
if (type == M2C) {
|
|
iconv_t c = iconv_open(DEFAULT_UNICODE_ENCODEC, tsCharset);
|
|
if ((iconv_t)-1 == c || (iconv_t)0 == c) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
}
|
|
return c;
|
|
} else {
|
|
iconv_t c = iconv_open(tsCharset, DEFAULT_UNICODE_ENCODEC);
|
|
if ((iconv_t)-1 == c || (iconv_t)0 == c) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
}
|
|
return c;
|
|
}
|
|
}
|
|
|
|
while (true) {
|
|
int32_t used = atomic_add_fetch_32(&convUsed[type], 1);
|
|
if (used > gConvMaxNum[type]) {
|
|
used = atomic_sub_fetch_32(&convUsed[type], 1);
|
|
(void)sched_yield();
|
|
continue;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
int32_t startId = taosGetSelfPthreadId() % gConvMaxNum[type];
|
|
while (true) {
|
|
if (gConv[type][startId].inUse) {
|
|
startId = (startId + 1) % gConvMaxNum[type];
|
|
continue;
|
|
}
|
|
|
|
int8_t old = atomic_val_compare_exchange_8(&gConv[type][startId].inUse, 0, 1);
|
|
if (0 == old) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
*idx = startId;
|
|
return gConv[type][startId].conv;
|
|
}
|
|
|
|
void taosReleaseConv(int32_t idx, iconv_t conv, ConvType type) {
|
|
if (idx < 0) {
|
|
(void)iconv_close(conv);
|
|
return;
|
|
}
|
|
|
|
atomic_store_8(&gConv[type][idx].inUse, 0);
|
|
(void)atomic_sub_fetch_32(&convUsed[type], 1);
|
|
}
|
|
|
|
bool taosMbsToUcs4(const char *mbs, size_t mbsLength, TdUcs4 *ucs4, int32_t ucs4_max_len, int32_t *len) {
|
|
#ifdef DISALLOW_NCHAR_WITHOUT_ICONV
|
|
printf("Nchar cannot be read and written without iconv, please install iconv library and recompile.\n");
|
|
return -1;
|
|
#else
|
|
(void)memset(ucs4, 0, ucs4_max_len);
|
|
|
|
int32_t idx = -1;
|
|
int32_t code = 0;
|
|
iconv_t conv = taosAcquireConv(&idx, M2C);
|
|
if ((iconv_t)-1 == conv || (iconv_t)0 == conv) {
|
|
return false;
|
|
}
|
|
|
|
size_t ucs4_input_len = mbsLength;
|
|
size_t outLeft = ucs4_max_len;
|
|
if (iconv(conv, (char **)&mbs, &ucs4_input_len, (char **)&ucs4, &outLeft) == -1) {
|
|
code = TAOS_SYSTEM_ERROR(errno);
|
|
taosReleaseConv(idx, conv, M2C);
|
|
terrno = code;
|
|
return false;
|
|
}
|
|
|
|
taosReleaseConv(idx, conv, M2C);
|
|
if (len != NULL) {
|
|
*len = (int32_t)(ucs4_max_len - outLeft);
|
|
if (*len < 0) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
int32_t taosUcs4ToMbs(TdUcs4 *ucs4, int32_t ucs4_max_len, char *mbs) {
|
|
#ifdef DISALLOW_NCHAR_WITHOUT_ICONV
|
|
printf("Nchar cannot be read and written without iconv, please install iconv library and recompile.\n");
|
|
return -1;
|
|
#else
|
|
|
|
int32_t idx = -1;
|
|
int32_t code = 0;
|
|
iconv_t conv = taosAcquireConv(&idx, C2M);
|
|
if ((iconv_t)-1 == conv || (iconv_t)0 == conv) {
|
|
return false;
|
|
}
|
|
|
|
size_t ucs4_input_len = ucs4_max_len;
|
|
size_t outLen = ucs4_max_len;
|
|
if (iconv(conv, (char **)&ucs4, &ucs4_input_len, &mbs, &outLen) == -1) {
|
|
code = TAOS_SYSTEM_ERROR(errno);
|
|
taosReleaseConv(idx, conv, C2M);
|
|
terrno = code;
|
|
return code;
|
|
}
|
|
|
|
taosReleaseConv(idx, conv, C2M);
|
|
|
|
return (int32_t)(ucs4_max_len - outLen);
|
|
#endif
|
|
}
|
|
|
|
int32_t taosUcs4ToMbsEx(TdUcs4 *ucs4, int32_t ucs4_max_len, char *mbs, iconv_t conv) {
|
|
#ifdef DISALLOW_NCHAR_WITHOUT_ICONV
|
|
printf("Nchar cannot be read and written without iconv, please install iconv library and recompile.\n");
|
|
return -1;
|
|
#else
|
|
|
|
size_t ucs4_input_len = ucs4_max_len;
|
|
size_t outLen = ucs4_max_len;
|
|
if (iconv(conv, (char **)&ucs4, &ucs4_input_len, &mbs, &outLen) == -1) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
return terrno;
|
|
}
|
|
|
|
return (int32_t)(ucs4_max_len - outLen);
|
|
#endif
|
|
}
|
|
|
|
bool taosValidateEncodec(const char *encodec) {
|
|
#ifdef DISALLOW_NCHAR_WITHOUT_ICONV
|
|
printf("Nchar cannot be read and written without iconv, please install iconv library and recompile.\n");
|
|
return true;
|
|
#else
|
|
iconv_t cd = iconv_open(encodec, DEFAULT_UNICODE_ENCODEC);
|
|
if (cd == (iconv_t)(-1)) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
return false;
|
|
}
|
|
|
|
(void)iconv_close(cd);
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
int32_t taosUcs4len(TdUcs4 *ucs4) {
|
|
TdUcs4 *wstr = (TdUcs4 *)ucs4;
|
|
if (NULL == wstr) {
|
|
return 0;
|
|
}
|
|
|
|
int32_t n = 0;
|
|
while (1) {
|
|
if (0 == *wstr++) {
|
|
break;
|
|
}
|
|
n++;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
// dst buffer size should be at least 2*len + 1
|
|
int32_t taosHexEncode(const unsigned char *src, char *dst, int32_t len) {
|
|
if (!dst) {
|
|
terrno = TSDB_CODE_INVALID_PARA;
|
|
return terrno;
|
|
}
|
|
|
|
for (int32_t i = 0; i < len; ++i) {
|
|
(void)sprintf(dst + i * 2, "%02x", src[i]);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t taosHexDecode(const char *src, char *dst, int32_t len) {
|
|
if (!dst) {
|
|
terrno = TSDB_CODE_INVALID_PARA;
|
|
return terrno;
|
|
}
|
|
|
|
uint8_t hn, ln, out;
|
|
for (int i = 0, j = 0; i < len * 2; i += 2, ++j) {
|
|
hn = src[i] > '9' ? src[i] - 'a' + 10 : src[i] - '0';
|
|
ln = src[i + 1] > '9' ? src[i + 1] - 'a' + 10 : src[i + 1] - '0';
|
|
|
|
out = (hn << 4) | ln;
|
|
(void)memcpy(dst + j, &out, 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t taosWcharWidth(TdWchar wchar) { return wcwidth(wchar); }
|
|
|
|
int32_t taosWcharsWidth(TdWchar *pWchar, int32_t size) { return wcswidth(pWchar, size); }
|
|
|
|
int32_t taosMbToWchar(TdWchar *pWchar, const char *pStr, int32_t size) { return mbtowc(pWchar, pStr, size); }
|
|
|
|
int32_t taosMbsToWchars(TdWchar *pWchars, const char *pStrs, int32_t size) { return mbstowcs(pWchars, pStrs, size); }
|
|
|
|
int32_t taosWcharToMb(char *pStr, TdWchar wchar) { return wctomb(pStr, wchar); }
|
|
|
|
char *taosStrCaseStr(const char *str, const char *pattern) {
|
|
size_t i;
|
|
|
|
if (!*pattern) return (char *)str;
|
|
|
|
for (; *str; str++) {
|
|
if (toupper(*str) == toupper(*pattern)) {
|
|
for (i = 1;; i++) {
|
|
if (!pattern[i]) return (char *)str;
|
|
if (toupper(str[i]) != toupper(pattern[i])) break;
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int64_t taosStr2Int64(const char *str, char **pEnd, int32_t radix) {
|
|
int64_t tmp = strtoll(str, pEnd, radix);
|
|
#if defined(DARWIN) || defined(_ALPINE)
|
|
if (errno == EINVAL) errno = 0;
|
|
#endif
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
#endif
|
|
return tmp;
|
|
}
|
|
|
|
uint64_t taosStr2UInt64(const char *str, char **pEnd, int32_t radix) {
|
|
uint64_t tmp = strtoull(str, pEnd, radix);
|
|
#if defined(DARWIN) || defined(_ALPINE)
|
|
if (errno == EINVAL) errno = 0;
|
|
#endif
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
#endif
|
|
return tmp;
|
|
}
|
|
|
|
int32_t taosStr2Int32(const char *str, char **pEnd, int32_t radix) {
|
|
int32_t tmp = strtol(str, pEnd, radix);
|
|
#if defined(DARWIN) || defined(_ALPINE)
|
|
if (errno == EINVAL) errno = 0;
|
|
#endif
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
#endif
|
|
return tmp;
|
|
}
|
|
|
|
uint32_t taosStr2UInt32(const char *str, char **pEnd, int32_t radix) {
|
|
uint32_t tmp = strtol(str, pEnd, radix);
|
|
#if defined(DARWIN) || defined(_ALPINE)
|
|
if (errno == EINVAL) errno = 0;
|
|
#endif
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
#endif
|
|
return tmp;
|
|
}
|
|
|
|
int16_t taosStr2Int16(const char *str, char **pEnd, int32_t radix) {
|
|
int32_t tmp = strtol(str, pEnd, radix);
|
|
#if defined(DARWIN) || defined(_ALPINE)
|
|
if (errno == EINVAL) errno = 0;
|
|
#endif
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
ASSERT(tmp >= SHRT_MIN);
|
|
ASSERT(tmp <= SHRT_MAX);
|
|
#endif
|
|
return (int16_t)tmp;
|
|
}
|
|
|
|
uint16_t taosStr2UInt16(const char *str, char **pEnd, int32_t radix) {
|
|
uint32_t tmp = strtoul(str, pEnd, radix);
|
|
#if defined(DARWIN) || defined(_ALPINE)
|
|
if (errno == EINVAL) errno = 0;
|
|
#endif
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
ASSERT(tmp <= USHRT_MAX);
|
|
#endif
|
|
return (uint16_t)tmp;
|
|
}
|
|
|
|
int8_t taosStr2Int8(const char *str, char **pEnd, int32_t radix) {
|
|
int32_t tmp = strtol(str, pEnd, radix);
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
ASSERT(tmp >= SCHAR_MIN);
|
|
ASSERT(tmp <= SCHAR_MAX);
|
|
#endif
|
|
return tmp;
|
|
}
|
|
|
|
uint8_t taosStr2UInt8(const char *str, char **pEnd, int32_t radix) {
|
|
uint32_t tmp = strtoul(str, pEnd, radix);
|
|
#if defined(DARWIN) || defined(_ALPINE)
|
|
if (errno == EINVAL) errno = 0;
|
|
#endif
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
ASSERT(tmp <= UCHAR_MAX);
|
|
#endif
|
|
return tmp;
|
|
}
|
|
|
|
double taosStr2Double(const char *str, char **pEnd) {
|
|
double tmp = strtod(str, pEnd);
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
ASSERT(tmp != HUGE_VAL);
|
|
#endif
|
|
return tmp;
|
|
}
|
|
|
|
float taosStr2Float(const char *str, char **pEnd) {
|
|
float tmp = strtof(str, pEnd);
|
|
#ifdef TD_CHECK_STR_TO_INT_ERROR
|
|
ASSERT(errno != ERANGE);
|
|
ASSERT(errno != EINVAL);
|
|
ASSERT(tmp != HUGE_VALF);
|
|
ASSERT(tmp != NAN);
|
|
#endif
|
|
return tmp;
|
|
}
|
|
|
|
#define HEX_PREFIX_LEN 2 // \x
|
|
bool isHex(const char *z, uint32_t n) {
|
|
if (n < HEX_PREFIX_LEN) return false;
|
|
if (z[0] == '\\' && z[1] == 'x') return true;
|
|
return false;
|
|
}
|
|
|
|
bool isValidateHex(const char *z, uint32_t n) {
|
|
if ((n & 1) != 0) return false;
|
|
for (size_t i = HEX_PREFIX_LEN; i < n; i++) {
|
|
if (isxdigit(z[i]) == 0) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
int32_t taosHex2Ascii(const char *z, uint32_t n, void **data, uint32_t *size) {
|
|
n -= HEX_PREFIX_LEN; // remove 0x
|
|
z += HEX_PREFIX_LEN;
|
|
*size = n / HEX_PREFIX_LEN;
|
|
if (*size == 0) {
|
|
if (!(*data = taosStrdup(""))) {
|
|
return terrno;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
uint8_t *tmp = (uint8_t *)taosMemoryCalloc(*size, 1);
|
|
if (tmp == NULL) {
|
|
return terrno;
|
|
}
|
|
|
|
int8_t num = 0;
|
|
uint8_t *byte = tmp + *size - 1;
|
|
|
|
for (int i = n - 1; i >= 0; i--) {
|
|
if (z[i] >= 'a') {
|
|
*byte |= ((uint8_t)(10 + (z[i] - 'a')) << (num * 4));
|
|
} else if (z[i] >= 'A') {
|
|
*byte |= ((uint8_t)(10 + (z[i] - 'A')) << (num * 4));
|
|
} else {
|
|
*byte |= ((uint8_t)(z[i] - '0') << (num * 4));
|
|
}
|
|
if (num == 1) {
|
|
byte--;
|
|
num = 0;
|
|
} else {
|
|
num++;
|
|
}
|
|
}
|
|
*data = tmp;
|
|
|
|
return 0;
|
|
}
|
|
|
|
// int32_t taosBin2Ascii(const char *z, uint32_t n, void** data, uint32_t* size){
|
|
//
|
|
// for (i = 2; isdigit(z[i]) || (z[i] >= 'a' && z[i] <= 'f') || (z[i] >= 'A' && z[i] <= 'F'); ++i) {
|
|
// }
|
|
//
|
|
// n -= 2; // remove 0b
|
|
// z += 2;
|
|
// *size = n%8 == 0 ? n/8 : n/8 + 1;
|
|
// uint8_t* tmp = (uint8_t*)taosMemoryCalloc(*size, 1);
|
|
// if(tmp == NULL) return -1;
|
|
// int8_t num = 0;
|
|
// uint8_t *byte = tmp + *size - 1;
|
|
//
|
|
// for (int i = n - 1; i >= 0; i--) {
|
|
// *byte |= ((uint8_t)(z[i] - '0') << num);
|
|
// if (num == 7) {
|
|
// byte--;
|
|
// num = 0;
|
|
// } else {
|
|
// num++;
|
|
// }
|
|
// }
|
|
// *data = tmp;
|
|
// return 0;
|
|
// }
|
|
|
|
static char valueOf(uint8_t symbol) {
|
|
switch (symbol) {
|
|
case 0:
|
|
return '0';
|
|
case 1:
|
|
return '1';
|
|
case 2:
|
|
return '2';
|
|
case 3:
|
|
return '3';
|
|
case 4:
|
|
return '4';
|
|
case 5:
|
|
return '5';
|
|
case 6:
|
|
return '6';
|
|
case 7:
|
|
return '7';
|
|
case 8:
|
|
return '8';
|
|
case 9:
|
|
return '9';
|
|
case 10:
|
|
return 'A';
|
|
case 11:
|
|
return 'B';
|
|
case 12:
|
|
return 'C';
|
|
case 13:
|
|
return 'D';
|
|
case 14:
|
|
return 'E';
|
|
case 15:
|
|
return 'F';
|
|
default: {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
int32_t taosAscii2Hex(const char *z, uint32_t n, void **data, uint32_t *size) {
|
|
*size = n * 2 + HEX_PREFIX_LEN;
|
|
uint8_t *tmp = (uint8_t *)taosMemoryCalloc(*size + 1, 1);
|
|
if (tmp == NULL) {
|
|
return terrno;
|
|
}
|
|
|
|
*data = tmp;
|
|
*(tmp++) = '\\';
|
|
*(tmp++) = 'x';
|
|
for (int i = 0; i < n; i++) {
|
|
uint8_t val = z[i];
|
|
tmp[i * 2] = valueOf(val >> 4);
|
|
tmp[i * 2 + 1] = valueOf(val & 0x0F);
|
|
}
|
|
|
|
return 0;
|
|
}
|