ReactOS 0.4.16-dev-297-gc569aee
crt_init.c File Reference
#include <precomp.h>
Include dependency graph for crt_init.c:

Go to the source code of this file.

Functions

int BlockEnvToEnvironA (void)
 
int BlockEnvToEnvironW (void)
 
void FreeEnvironment (char **environment)
 
BOOL msvcrt_init_heap (void)
 
void msvcrt_init_mt_locks (void)
 
void msvcrt_init_io (void)
 
BOOL crt_process_init (void)
 

Variables

char_acmdln
 
wchar_t_wcmdln
 
char ** _environ
 
char ** __initenv
 
wchar_t ** _wenviron
 
wchar_t ** __winitenv
 

Function Documentation

◆ BlockEnvToEnvironA()

int BlockEnvToEnvironA ( void  )

Definition at line 34 of file environ.c.

35{
36 char *ptr, *environment_strings;
37 char **envptr;
38 int count = 1;
39 size_t len;
40
41 TRACE("BlockEnvToEnvironA()\n");
42
43 environment_strings = GetEnvironmentStringsA();
44 if (environment_strings == NULL) {
45 return -1;
46 }
47
48 for (ptr = environment_strings; *ptr; ptr += len)
49 {
50 len = strlen(ptr) + 1;
51 /* Skip drive letter settings. */
52 if (*ptr != '=')
53 count++;
54 }
55
56 __initenv = _environ = malloc(count * sizeof(char*));
57 if (_environ)
58 {
59 for (ptr = environment_strings, envptr = _environ; count > 1; ptr += len)
60 {
61 len = strlen(ptr) + 1;
62 /* Skip drive letter settings. */
63 if (*ptr != '=')
64 {
65 if ((*envptr = malloc(len)) == NULL)
66 {
67 for (envptr--; envptr >= _environ; envptr--)
68 free(*envptr);
69 FreeEnvironmentStringsA(environment_strings);
72 return -1;
73 }
74 memcpy(*envptr++, ptr, len);
75 count--;
76 }
77 }
78 /* Add terminating NULL entry. */
79 *envptr = NULL;
80 }
81
82 FreeEnvironmentStringsA(environment_strings);
83 return _environ ? 0 : -1;
84}
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
#define free
Definition: debug_ros.c:5
#define malloc
Definition: debug_ros.c:4
#define NULL
Definition: types.h:112
BOOL WINAPI FreeEnvironmentStringsA(IN LPSTR EnvironmentStrings)
Definition: environ.c:379
GLuint GLuint GLsizei count
Definition: gl.h:1545
GLenum GLsizei len
Definition: glext.h:6722
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
static PVOID ptr
Definition: dispmode.c:27
char ** __initenv
Definition: environ.c:24
char ** _environ
Definition: environ.c:22
#define TRACE(s)
Definition: solgame.cpp:4
#define GetEnvironmentStringsA
Definition: winbase.h:3838

Referenced by crt_process_init().

◆ BlockEnvToEnvironW()

int BlockEnvToEnvironW ( void  )

Definition at line 86 of file environ.c.

87{
88 wchar_t *ptr, *environment_strings;
89 wchar_t **envptr;
90 int count = 1;
91 size_t len;
92
93 TRACE("BlockEnvToEnvironW()\n");
94
95 environment_strings = GetEnvironmentStringsW();
96 if (environment_strings == NULL) {
97 return -1;
98 }
99
100 for (ptr = environment_strings; *ptr; ptr += len)
101 {
102 len = wcslen(ptr) + 1;
103 /* Skip drive letter settings. */
104 if (*ptr != '=')
105 count++;
106 }
107
108 __winitenv = _wenviron = malloc(count * sizeof(wchar_t*));
109 if (_wenviron)
110 {
111 for (ptr = environment_strings, envptr = _wenviron; count > 1; ptr += len)
112 {
113 len = wcslen(ptr) + 1;
114 /* Skip drive letter settings. */
115 if (*ptr != '=')
116 {
117 if ((*envptr = malloc(len * sizeof(wchar_t))) == NULL)
118 {
119 for (envptr--; envptr >= _wenviron; envptr--)
120 free(*envptr);
121 FreeEnvironmentStringsW(environment_strings);
124 return -1;
125 }
126 memcpy(*envptr++, ptr, len * sizeof(wchar_t));
127 count--;
128 }
129 }
130 /* Add terminating NULL entry. */
131 *envptr = NULL;
132 }
133
134 FreeEnvironmentStringsW(environment_strings);
135 return _wenviron ? 0 : -1;
136}
BOOL WINAPI FreeEnvironmentStringsW(IN LPWSTR EnvironmentStrings)
Definition: environ.c:389
_CRTIMP size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
wchar_t ** __winitenv
Definition: environ.c:25
wchar_t ** _wenviron
Definition: environ.c:23
LPWSTR WINAPI GetEnvironmentStringsW(void)
Definition: environ.c:344

Referenced by crt_process_init().

◆ crt_process_init()

BOOL crt_process_init ( void  )

Definition at line 21 of file crt_init.c.

22{
24
25 /* initialize version info */
33
34 /* create tls stuff */
36 return FALSE;
37
38 if (!msvcrt_init_heap())
39 return FALSE;
40
41 if (BlockEnvToEnvironA() < 0)
42 return FALSE;
43
44 if (BlockEnvToEnvironW() < 0)
45 {
47 return FALSE;
48 }
49
52
53 /* Initialization of the WINE code */
55
56 //msvcrt_init_math();
58 //msvcrt_init_console();
59 //msvcrt_init_args();
60 //msvcrt_init_signals();
61
62 return TRUE;
63}
char * _acmdln
Definition: environ.c:18
void msvcrt_init_io(void)
Definition: file.c:456
void msvcrt_init_mt_locks(void)
Definition: lock.c:54
int BlockEnvToEnvironA(void)
Definition: environ.c:34
void FreeEnvironment(char **environment)
Definition: environ.c:190
BOOL msvcrt_init_heap(void)
Definition: heap.c:895
wchar_t * _wcmdln
Definition: environ.c:19
int BlockEnvToEnvironW(void)
Definition: environ.c:86
char ** _environ
Definition: environ.c:22
#define _strdup
Definition: debug_ros.c:7
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
LPSTR WINAPI GetCommandLineA(VOID)
Definition: proc.c:2009
LPWSTR WINAPI GetCommandLineW(VOID)
Definition: proc.c:2019
BOOL WINAPI GetVersionExW(IN LPOSVERSIONINFOW lpVersionInformation)
Definition: version.c:37
if(dx< 0)
Definition: linetemp.h:194
unsigned int _winminor
Definition: environ.c:12
unsigned int _winmajor
Definition: environ.c:13
unsigned int _osver
Definition: environ.c:11
unsigned int _osplatform
Definition: environ.c:10
unsigned int _winver
Definition: environ.c:14
_Check_return_ _CRTIMP wchar_t *__cdecl _wcsdup(_In_z_ const wchar_t *_Str)
BOOL msvcrt_init_tls(void)
Definition: tls.c:9
ULONG dwPlatformId
Definition: rtltypes.h:241
ULONG dwOSVersionInfoSize
Definition: rtltypes.h:237
ULONG dwMajorVersion
Definition: rtltypes.h:238
ULONG dwBuildNumber
Definition: rtltypes.h:240
ULONG dwMinorVersion
Definition: rtltypes.h:239
OSVERSIONINFO osvi
Definition: ver.c:28
struct _OSVERSIONINFOW OSVERSIONINFOW

Referenced by DllMain(), and msvcrt_init_exception().

◆ FreeEnvironment()

void FreeEnvironment ( char **  environment)

Internal function to deallocate environment block. Although it's parameter are defined as char**, it's able to work also with wide character environment block which are of type wchar_t**.

Parameters
environmentEnvironment to free.

Definition at line 190 of file environ.c.

191{
192 char **envptr;
193 for (envptr = environment; *envptr != NULL; envptr++)
194 free(*envptr);
195 free(environment);
196}

Referenced by crt_process_init().

◆ msvcrt_init_heap()

BOOL msvcrt_init_heap ( void  )

Definition at line 895 of file heap.c.

896{
897#ifdef __REACTOS__
899#else
900 heap = HeapCreate(0, 0, 0);
901#endif
902 return heap != NULL;
903}
#define GetProcessHeap()
Definition: compat.h:736
HANDLE WINAPI HeapCreate(DWORD flOptions, SIZE_T dwInitialSize, SIZE_T dwMaximumSize)
Definition: heapmem.c:45
static HANDLE heap
Definition: heap.c:65

Referenced by crt_process_init().

◆ msvcrt_init_io()

void msvcrt_init_io ( void  )

Definition at line 456 of file file.c.

457{
458 STARTUPINFOA si;
459 unsigned int i;
460 ioinfo *fdinfo;
461
462 GetStartupInfoA(&si);
463 if (si.cbReserved2 >= sizeof(unsigned int) && si.lpReserved2 != NULL)
464 {
465 BYTE* wxflag_ptr;
466 HANDLE* handle_ptr;
467 unsigned int count;
468
469 count = *(unsigned*)si.lpReserved2;
470 wxflag_ptr = si.lpReserved2 + sizeof(unsigned);
471 handle_ptr = (HANDLE*)(wxflag_ptr + count);
472
473 count = min(count, (si.cbReserved2 - sizeof(unsigned)) / (sizeof(HANDLE) + 1));
475 for (i = 0; i < count; i++)
476 {
477 if ((*wxflag_ptr & WX_OPEN) && GetFileType(*handle_ptr) != FILE_TYPE_UNKNOWN)
478 {
479 fdinfo = get_ioinfo_alloc_fd(i);
480 if(fdinfo != &__badioinfo)
481 msvcrt_set_fd(fdinfo, *handle_ptr, *wxflag_ptr);
482 release_ioinfo(fdinfo);
483 }
484
485 wxflag_ptr++; handle_ptr++;
486 }
487 }
488
490 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
493
494 msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
495 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
496 }
497 release_ioinfo(fdinfo);
498
500 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
503
504 msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
505 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
506 }
507 release_ioinfo(fdinfo);
508
510 if (!(fdinfo->wxflag & WX_OPEN) || fdinfo->handle == INVALID_HANDLE_VALUE) {
513
514 msvcrt_set_fd(fdinfo, h, WX_OPEN|WX_TEXT|((type&0xf)==FILE_TYPE_CHAR ? WX_TTY : 0)
515 |((type&0xf)==FILE_TYPE_PIPE ? WX_PIPE : 0));
516 }
517 release_ioinfo(fdinfo);
518
519 TRACE(":handles (%p)(%p)(%p)\n", get_ioinfo_nolock(STDIN_FILENO)->handle,
522
523 memset(_iob,0,3*sizeof(FILE));
524 for (i = 0; i < 3; i++)
525 {
526 /* FILE structs for stdin/out/err are static and never deleted */
527 _iob[i]._file = i;
528 _iob[i]._tmpfname = NULL;
529 _iob[i]._flag = (i == 0) ? _IOREAD : _IOWRT;
530 }
532}
HANDLE WINAPI GetStdHandle(IN DWORD nStdHandle)
Definition: console.c:203
#define INVALID_HANDLE_VALUE
Definition: compat.h:731
DWORD WINAPI GetFileType(HANDLE hFile)
Definition: fileinfo.c:269
VOID WINAPI GetStartupInfoA(IN LPSTARTUPINFOA lpStartupInfo)
Definition: proc.c:1320
unsigned long DWORD
Definition: ntddk_ex.h:95
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
GLfloat GLfloat GLfloat GLfloat h
Definition: glext.h:7723
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define _IOWRT
Definition: stdio.h:125
#define _IOREAD
Definition: stdio.h:124
#define min(a, b)
Definition: monoChain.cc:55
#define STDOUT_FILENO
Definition: syshdrs.h:89
#define STDERR_FILENO
Definition: syshdrs.h:90
#define STDIN_FILENO
Definition: syshdrs.h:88
static ioinfo * get_ioinfo_alloc_fd(int fd)
Definition: file.c:216
void release_ioinfo(ioinfo *info)
Definition: file.c:263
#define WX_OPEN
Definition: file.c:91
FILE _iob[_IOB_ENTRIES]
Definition: file.c:133
#define MSVCRT_MAX_FILES
Definition: file.c:112
#define WX_TTY
Definition: file.c:99
static void msvcrt_set_fd(ioinfo *fdinfo, HANDLE hand, int flag)
Definition: file.c:325
static ioinfo * get_ioinfo_nolock(int fd)
Definition: file.c:158
#define WX_PIPE
Definition: file.c:95
#define WX_TEXT
Definition: file.c:100
ioinfo __badioinfo
Definition: file.c:126
static int MSVCRT_stream_idx
Definition: file.c:135
#define memset(x, y, z)
Definition: compat.h:39
WORD cbReserved2
Definition: winbase.h:869
PBYTE lpReserved2
Definition: winbase.h:870
int _file
Definition: mbstring.h:24
int _flag
Definition: mbstring.h:23
char * _tmpfname
Definition: mbstring.h:27
Definition: file.c:40
unsigned char wxflag
Definition: file.c:42
HANDLE handle
Definition: file.c:41
#define STD_OUTPUT_HANDLE
Definition: winbase.h:294
#define STD_INPUT_HANDLE
Definition: winbase.h:293
#define FILE_TYPE_UNKNOWN
Definition: winbase.h:284
#define STD_ERROR_HANDLE
Definition: winbase.h:295
#define FILE_TYPE_CHAR
Definition: winbase.h:286
#define FILE_TYPE_PIPE
Definition: winbase.h:287
unsigned char BYTE
Definition: xxhash.c:193

Referenced by crt_process_init().

◆ msvcrt_init_mt_locks()

void msvcrt_init_mt_locks ( void  )

Definition at line 54 of file lock.c.

55{
56 int i;
57
58 TRACE( "initializing mtlocks\n" );
59
60 /* Initialize the table */
61 for( i=0; i < _TOTAL_LOCKS; i++ )
62 {
64 }
65
66 /* Initialize our lock table lock */
68}
#define _LOCKTAB_LOCK
Definition: mtdll.h:54
#define _TOTAL_LOCKS
Definition: mtdll.h:70
static __inline void msvcrt_mlock_set_entry_initialized(int locknum, BOOL initialized)
Definition: lock.c:30
static __inline void msvcrt_initialize_mlock(int locknum)
Definition: lock.c:35

Referenced by crt_process_init().

Variable Documentation

◆ __initenv

char** __initenv
extern

Definition at line 24 of file environ.c.

◆ __winitenv

wchar_t** __winitenv
extern

Definition at line 25 of file environ.c.

◆ _acmdln

char* _acmdln
extern

Definition at line 18 of file environ.c.

Referenced by crt_process_init().

◆ _environ

char** _environ
extern

Definition at line 22 of file environ.c.

Referenced by crt_process_init().

◆ _wcmdln

wchar_t* _wcmdln
extern

Definition at line 19 of file environ.c.

Referenced by crt_process_init().

◆ _wenviron

wchar_t** _wenviron
extern

Definition at line 23 of file environ.c.

Referenced by __p__wenviron(), BlockEnvToEnvironW(), and SetEnv().