Viewing file:  m_string.h (9.32 KB) -rw-rw-rw-
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
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 02110-1301 USA */
/* There may be prolems include all of theese. Try to test in
configure with ones are needed? */
/* This is needed for the definitions of strchr... on solaris */
#ifndef _m_string_h
#define _m_string_h
#include "my_global.h" /* HAVE_* */
#ifndef __USE_GNU
#define __USE_GNU /* We want to use stpcpy */
#endif
#if defined(HAVE_STRINGS_H)
#include
#endif
#if defined(HAVE_STRING_H)
#include
#endif
/* need by my_vsnprintf */
#include
/* This is needed for the definitions of memcpy... on solaris */
#if defined(HAVE_MEMORY_H) && !defined(__cplusplus)
#include
#endif
#define bfill please_use_memset_rather_than_bfill()
#define bzero please_use_memset_rather_than_bzero()
#if !defined(HAVE_MEMCPY) && !defined(HAVE_MEMMOVE)
# define memcpy(d, s, n) bcopy ((s), (d), (n))
# define memmove(d, s, n) bmove ((d), (s), (n))
#elif defined(HAVE_MEMMOVE)
# define bmove(d, s, n) memmove((d), (s), (n))
#endif
#if defined(__cplusplus)
extern "C" {
#endif
/*
my_str_malloc(), my_str_realloc() and my_str_free() are assigned to
implementations in strings/alloc.c, but can be overridden in
the calling program.
*/
extern void *(*my_str_malloc)(size_t);
extern void *(*my_str_realloc)(void *, size_t);
extern void (*my_str_free)(void *);
#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))
#ifndef stpcpy
extern char *stpcpy(char *, const char *); /* For AIX with gcc 2.95.3 */
#endif
#endif
/* Declared in int2str() */
extern char _dig_vec_upper[];
extern char _dig_vec_lower[];
#ifndef strmov
#define strmov_overlapp(A,B) strmov(A,B)
#define strmake_overlapp(A,B,C) strmake(A,B,C)
#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);
#ifndef strmov
extern char *strmov(char *dst,const char *src);
#else
extern char *strmov_overlapp(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);
#define NOT_FIXED_DEC 31
/*
The longest string my_fcvt can return is 311 + "precision" bytes.
Here we assume that we never cal my_fcvt() with precision >= NOT_FIXED_DEC
(+ 1 byte for the terminating '\0').
*/
#define FLOATING_POINT_BUFFER (311 + NOT_FIXED_DEC)
/*
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
bool(false)
|