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kernel32: Call build_envp in the parent process so that it can use the Win32 heap.

This commit is contained in:
Alexandre Julliard 2008-10-31 14:55:33 +01:00
parent da03d9355d
commit a4e688218c
1 changed files with 36 additions and 25 deletions
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61
dlls/kernel32/process.c
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@ -1170,19 +1170,6 @@ static char **build_argv( const WCHAR *cmdlineW, int reserved )
} }
/***********************************************************************
* alloc_env_string
*
* Allocate an environment string; helper for build_envp
*/
static char *alloc_env_string( const char *name, const char *value )
{
char *ret = malloc( strlen(name) + strlen(value) + 1 );
strcpy( ret, name );
strcat( ret, value );
return ret;
}
/*********************************************************************** /***********************************************************************
* build_envp * build_envp
* *
@ -1190,28 +1177,45 @@ static char *alloc_env_string( const char *name, const char *value )
*/ */
static char **build_envp( const WCHAR *envW ) static char **build_envp( const WCHAR *envW )
{ {
static const char * const unix_vars[] = { "PATH", "TEMP", "TMP", "HOME" };
const WCHAR *end; const WCHAR *end;
char **envp; char **envp;
char *env, *p; char *env, *p;
int count = 0, length; int count = 0, length;
unsigned int i;
for (end = envW; *end; count++) end += strlenW(end) + 1; for (end = envW; *end; count++) end += strlenW(end) + 1;
end++; end++;
length = WideCharToMultiByte( CP_UNIXCP, 0, envW, end - envW, NULL, 0, NULL, NULL ); length = WideCharToMultiByte( CP_UNIXCP, 0, envW, end - envW, NULL, 0, NULL, NULL );
if (!(env = malloc( length ))) return NULL; if (!(env = HeapAlloc( GetProcessHeap(), 0, length ))) return NULL;
WideCharToMultiByte( CP_UNIXCP, 0, envW, end - envW, env, length, NULL, NULL ); WideCharToMultiByte( CP_UNIXCP, 0, envW, end - envW, env, length, NULL, NULL );
count += 4; for (p = env; *p; p += strlen(p) + 1)
if (is_special_env_var( p )) length += 4; /* prefix it with "WINE" */
if ((envp = malloc( count * sizeof(*envp) ))) for (i = 0; i < sizeof(unix_vars)/sizeof(unix_vars[0]); i++)
{
if (!(p = getenv(unix_vars[i]))) continue;
length += strlen(unix_vars[i]) + strlen(p) + 2;
count++;
}
if ((envp = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*envp) + length )))
{ {
char **envptr = envp; char **envptr = envp;
char *dst = (char *)(envp + count);
/* some variables must not be modified, so we get them directly from the unix env */ /* some variables must not be modified, so we get them directly from the unix env */
if ((p = getenv("PATH"))) *envptr++ = alloc_env_string( "PATH=", p ); for (i = 0; i < sizeof(unix_vars)/sizeof(unix_vars[0]); i++)
if ((p = getenv("TEMP"))) *envptr++ = alloc_env_string( "TEMP=", p ); {
if ((p = getenv("TMP"))) *envptr++ = alloc_env_string( "TMP=", p ); if (!(p = getenv(unix_vars[i]))) continue;
if ((p = getenv("HOME"))) *envptr++ = alloc_env_string( "HOME=", p ); *envptr++ = strcpy( dst, unix_vars[i] );
strcat( dst, "=" );
strcat( dst, p );
dst += strlen(dst) + 1;
}
/* now put the Windows environment strings */ /* now put the Windows environment strings */
for (p = env; *p; p += strlen(p) + 1) for (p = env; *p; p += strlen(p) + 1)
{ {
@ -1219,12 +1223,19 @@ static char **build_envp( const WCHAR *envW )
if (!strncmp( p, "WINEPRELOADRESERVE=", sizeof("WINEPRELOADRESERVE=")-1 )) continue; if (!strncmp( p, "WINEPRELOADRESERVE=", sizeof("WINEPRELOADRESERVE=")-1 )) continue;
if (!strncmp( p, "WINESERVERSOCKET=", sizeof("WINESERVERSOCKET=")-1 )) continue; if (!strncmp( p, "WINESERVERSOCKET=", sizeof("WINESERVERSOCKET=")-1 )) continue;
if (is_special_env_var( p )) /* prefix it with "WINE" */ if (is_special_env_var( p )) /* prefix it with "WINE" */
*envptr++ = alloc_env_string( "WINE", p ); {
*envptr++ = strcpy( dst, "WINE" );
strcat( dst, p );
}
else else
*envptr++ = p; {
*envptr++ = strcpy( dst, p );
}
dst += strlen(dst) + 1;
} }
*envptr = 0; *envptr = 0;
} }
HeapFree( GetProcessHeap(), 0, env );
return envp; return envp;
} }
@ -1239,7 +1250,7 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline, const WCHA
{ {
int fd[2], stdin_fd = -1, stdout_fd = -1; int fd[2], stdin_fd = -1, stdout_fd = -1;
int pid, err; int pid, err;
char **argv; char **argv, **envp;
if (!env) env = GetEnvironmentStringsW(); if (!env) env = GetEnvironmentStringsW();
@ -1272,11 +1283,10 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline, const WCHA
} }
argv = build_argv( cmdline, 0 ); argv = build_argv( cmdline, 0 );
envp = build_envp( env );
if (!(pid = fork())) /* child */ if (!(pid = fork())) /* child */
{ {
char **envp = build_envp( env );
close( fd[0] ); close( fd[0] );
if (flags & (CREATE_NEW_PROCESS_GROUP | CREATE_NEW_CONSOLE | DETACHED_PROCESS)) if (flags & (CREATE_NEW_PROCESS_GROUP | CREATE_NEW_CONSOLE | DETACHED_PROCESS))
@ -1322,6 +1332,7 @@ static int fork_and_exec( const char *filename, const WCHAR *cmdline, const WCHA
_exit(1); _exit(1);
} }
HeapFree( GetProcessHeap(), 0, argv ); HeapFree( GetProcessHeap(), 0, argv );
HeapFree( GetProcessHeap(), 0, envp );
if (stdin_fd != -1) close( stdin_fd ); if (stdin_fd != -1) close( stdin_fd );
if (stdout_fd != -1) close( stdout_fd ); if (stdout_fd != -1) close( stdout_fd );
close( fd[1] ); close( fd[1] );