ReactOS 0.4.15-dev-7897-g78dc504
strtoi64.c File Reference
#include <precomp.h>
Include dependency graph for strtoi64.c:

Go to the source code of this file.

Functions

__int64 CDECL _strtoi64_l (const char *nptr, char **endptr, int base, _locale_t locale)
 
__int64 _strtoi64 (const char *nptr, char **endptr, int base)
 

Function Documentation

◆ _strtoi64()

__int64 _strtoi64 ( const char nptr,
char **  endptr,
int  base 
)

Definition at line 90 of file strtoi64.c.

91{
92 return _strtoi64_l(nptr, endptr, base, NULL);
93}
#define NULL
Definition: types.h:112
__int64 CDECL _strtoi64_l(const char *nptr, char **endptr, int base, _locale_t locale)
Definition: strtoi64.c:10

Referenced by PROPVAR_ConvertNumber(), and START_TEST().

◆ _strtoi64_l()

__int64 CDECL _strtoi64_l ( const char nptr,
char **  endptr,
int  base,
_locale_t  locale 
)

Definition at line 10 of file strtoi64.c.

11{
12 const char *p = nptr;
13 BOOL negative = FALSE;
14 BOOL got_digit = FALSE;
15 __int64 ret = 0;
16
17#ifndef _LIBCNT_
18 TRACE("(%s %p %d %p)\n", debugstr_a(nptr), endptr, base, locale);
19#endif
20
21#ifndef __REACTOS__
22 if (!MSVCRT_CHECK_PMT(nptr != NULL)) return 0;
23#endif
24 if (!MSVCRT_CHECK_PMT(base == 0 || base >= 2)) return 0;
25 if (!MSVCRT_CHECK_PMT(base <= 36)) return 0;
26
27 while (isspace(*nptr)) nptr++;
28
29 if(*nptr == '-') {
30 negative = TRUE;
31 nptr++;
32 } else if(*nptr == '+')
33 nptr++;
34
35 if((base==0 || base==16) && *nptr=='0' && tolower(*(nptr+1))=='x') {
36 base = 16;
37 nptr += 2;
38 }
39
40 if(base == 0) {
41 if(*nptr=='0')
42 base = 8;
43 else
44 base = 10;
45 }
46
47 while(*nptr) {
48 char cur = tolower(*nptr);
49 int v;
50
51 if(isdigit(cur)) {
52 if(cur >= '0'+base)
53 break;
54 v = cur-'0';
55 } else {
56 if(cur<'a' || cur>='a'+base-10)
57 break;
58 v = cur-'a'+10;
59 }
60 got_digit = TRUE;
61
62 if(negative)
63 v = -v;
64
65 nptr++;
66
67 if(!negative && (ret>_I64_MAX/base || ret*base>_I64_MAX-v)) {
68 ret = _I64_MAX;
69#ifndef _LIBCNT_
70 *_errno() = ERANGE;
71#endif
72 }
73 else if (negative && (ret<_I64_MIN / base || ret*base<_I64_MIN - v)) {
74 ret = _I64_MIN;
75#ifndef _LIBCNT_
76 *_errno() = ERANGE;
77#endif
78 }
79 else
80 ret = ret*base + v;
81 }
82
83 if(endptr)
84 *endptr = (char*)(got_digit ? nptr : p);
85
86 return ret;
87}
#define isspace(c)
Definition: acclib.h:69
#define isdigit(c)
Definition: acclib.h:68
#define ERANGE
Definition: acclib.h:92
int tolower(int c)
Definition: utclib.c:902
#define __int64
Definition: basetyps.h:16
Definition: _locale.h:75
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
unsigned int BOOL
Definition: ntddk_ex.h:94
FxCollectionEntry * cur
const GLdouble * v
Definition: gl.h:2040
GLfloat GLfloat p
Definition: glext.h:8902
#define _I64_MAX
Definition: limits.h:62
#define _I64_MIN
Definition: limits.h:61
#define debugstr_a
Definition: kernel32.h:31
#define MSVCRT_CHECK_PMT(x)
Definition: mbstowcs_s.c:26
_CRTIMP int *__cdecl _errno(void)
Definition: errno.c:19
#define TRACE(s)
Definition: solgame.cpp:4
int ret

Referenced by _strtoi64(), and _strtoul_l().