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/* Copyright (c) 2000, 2012, Oracle and/or its affiliates. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. 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. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ /* There may be problems included in all of these. Try to test in configure which ones are needed? */ /* This is needed for the definitions of strchr... on solaris */ #ifndef _m_string_h #define _m_string_h #include "my_decimal_limits.h" #ifndef __USE_GNU #define __USE_GNU /* We want to use stpcpy */ #endif #if defined(HAVE_STRINGS_H) #include <strings.h> #endif #if defined(HAVE_STRING_H) #include <string.h> #endif /* This is needed for the definitions of memcpy... on solaris */ #if defined(HAVE_MEMORY_H) && !defined(__cplusplus) #include <memory.h> #endif #if !defined(HAVE_MEMCPY) && !defined(HAVE_MEMMOVE) # define memcpy(d, s, n) bcopy ((s), (d), (n)) # define memset(A,C,B) bfill((A),(B),(C)) # define memmove(d, s, n) bmove ((d), (s), (n)) #elif defined(HAVE_MEMMOVE) # define bmove(d, s, n) memmove((d), (s), (n)) #endif /* Unixware 7 */ #if !defined(HAVE_BFILL) # define bfill(A,B,C) memset((A),(C),(B)) #endif # define bmove_align(A,B,C) memcpy((A),(B),(C)) # define bcmp(A,B,C) memcmp((A),(B),(C)) #if !defined(bzero) # define bzero(A,B) memset((A),0,(B)) #endif #if defined(__cplusplus) extern "C" { #endif #ifdef DBUG_OFF #if defined(HAVE_STPCPY) && MY_GNUC_PREREQ(3, 4) && !defined(__INTEL_COMPILER) #define strmov(A,B) __builtin_stpcpy((A),(B)) #elif defined(HAVE_STPCPY) #define strmov(A,B) stpcpy((A),(B)) #endif #endif /* Declared in int2str() */ extern const char _dig_vec_upper[]; extern const char _dig_vec_lower[]; extern char *strmov_overlapp(char *dest, const char *src); #if defined(_lint) || defined(FORCE_INIT_OF_VARS) #define LINT_INIT_STRUCT(var) bzero(&var, sizeof(var)) /* No uninitialize-warning */ #else #define LINT_INIT_STRUCT(var) #endif /* Prototypes for string functions */ extern void bmove_upp(uchar *dst,const uchar *src,size_t len); extern void bchange(uchar *dst,size_t old_len,const uchar *src, size_t new_len,size_t tot_len); extern void strappend(char *s,size_t len,pchar fill); extern char *strend(const char *s); extern char *strcend(const char *, pchar); extern char *strfill(char * s,size_t len,pchar fill); extern char *strmake(char *dst,const char *src,size_t length); #if !defined(__GNUC__) || (__GNUC__ < 4) #define strmake_buf(D,S) strmake(D, S, sizeof(D) - 1) #else #define strmake_buf(D,S) ({ \ typeof (D) __x __attribute__((unused)) = { 2 }; \ strmake(D, S, sizeof(D) - 1); \ }) #endif #ifndef strmov extern char *strmov(char *dst,const char *src); #endif extern char *strnmov(char *dst, const char *src, size_t n); extern char *strcont(const char *src, const char *set); extern char *strxmov(char *dst, const char *src, ...); extern char *strxnmov(char *dst, size_t len, const char *src, ...); /* Prototypes of normal stringfunctions (with may ours) */ #ifndef HAVE_STRNLEN extern size_t strnlen(const char *s, size_t n); #endif extern int is_prefix(const char *, const char *); /* Conversion routines */ typedef enum { MY_GCVT_ARG_FLOAT, MY_GCVT_ARG_DOUBLE } my_gcvt_arg_type; double my_strtod(const char *str, char **end, int *error); double my_atof(const char *nptr); size_t my_fcvt(double x, int precision, char *to, my_bool *error); size_t my_gcvt(double x, my_gcvt_arg_type type, int width, char *to, my_bool *error); /* The longest string my_fcvt can return is 311 + "precision" bytes. Here we assume that we never cal my_fcvt() with precision >= DECIMAL_NOT_SPECIFIED (+ 1 byte for the terminating '\0'). */ #define FLOATING_POINT_BUFFER (311 + DECIMAL_NOT_SPECIFIED) /* We want to use the 'e' format in some cases even if we have enough space for the 'f' one just to mimic sprintf("%.15g") behavior for large integers, and to improve it for numbers < 10^(-4). That is, for |x| < 1 we require |x| >= 10^(-15), and for |x| > 1 we require it to be integer and be <= 10^DBL_DIG for the 'f' format to be used. We don't lose precision, but make cases like "1e200" or "0.00001" look nicer. */ #define MAX_DECPT_FOR_F_FORMAT DBL_DIG /* The maximum possible field width for my_gcvt() conversion. (DBL_DIG + 2) significant digits + sign + "." + ("e-NNN" or MAX_DECPT_FOR_F_FORMAT zeros for cases when |x|<1 and the 'f' format is used). */ #define MY_GCVT_MAX_FIELD_WIDTH (DBL_DIG + 4 + MY_MAX(5, MAX_DECPT_FOR_F_FORMAT)) \ extern char *llstr(longlong value,char *buff); extern char *ullstr(longlong value,char *buff); #ifndef HAVE_STRTOUL extern long strtol(const char *str, char **ptr, int base); extern ulong strtoul(const char *str, char **ptr, int base); #endif extern char *int2str(long val, char *dst, int radix, int upcase); extern char *int10_to_str(long val,char *dst,int radix); extern char *str2int(const char *src,int radix,long lower,long upper, long *val); longlong my_strtoll10(const char *nptr, char **endptr, int *error); #if SIZEOF_LONG == SIZEOF_LONG_LONG #define ll2str(A,B,C,D) int2str((A),(B),(C),(D)) #define longlong10_to_str(A,B,C) int10_to_str((A),(B),(C)) #undef strtoll #define strtoll(A,B,C) strtol((A),(B),(C)) #define strtoull(A,B,C) strtoul((A),(B),(C)) #ifndef HAVE_STRTOULL #define HAVE_STRTOULL #endif #ifndef HAVE_STRTOLL #define HAVE_STRTOLL #endif #else #ifdef HAVE_LONG_LONG extern char *ll2str(longlong val,char *dst,int radix, int upcase); extern char *longlong10_to_str(longlong val,char *dst,int radix); #if (!defined(HAVE_STRTOULL) || defined(NO_STRTOLL_PROTO)) extern longlong strtoll(const char *str, char **ptr, int base); extern ulonglong strtoull(const char *str, char **ptr, int base); #endif #endif #endif #define longlong2str(A,B,C) ll2str((A),(B),(C),1) #if defined(__cplusplus) } #endif #include <mysql/plugin.h> #define STRING_WITH_LEN(X) (X), ((size_t) (sizeof(X) - 1)) #define USTRING_WITH_LEN(X) ((uchar*) X), ((size_t) (sizeof(X) - 1)) #define C_STRING_WITH_LEN(X) ((char *) (X)), ((size_t) (sizeof(X) - 1)) #define LEX_STRING_WITH_LEN(X) (X).str, (X).length typedef struct st_mysql_const_lex_string LEX_CSTRING; /* A variant with const and unsigned */ struct st_mysql_const_unsigned_lex_string { const uchar *str; size_t length; }; typedef struct st_mysql_const_unsigned_lex_string LEX_CUSTRING; static inline void lex_string_set(LEX_CSTRING *lex_str, const char *c_str) { lex_str->str= c_str; lex_str->length= strlen(c_str); } static inline void lex_string_set3(LEX_CSTRING *lex_str, const char *c_str, size_t len) { lex_str->str= c_str; lex_str->length= len; } #ifdef __cplusplus static inline char *safe_str(char *str) { return str ? str : const_cast<char*>(""); } #endif static inline const char *safe_str(const char *str) { return str ? str : ""; } static inline size_t safe_strlen(const char *str) { return str ? strlen(str) : 0; } #endif