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correct some bugs in spawn... functions

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svn path=/trunk/; revision=1591
This commit is contained in:
jean 2001-02-01 16:44:19 +00:00
parent c8f92d26a9
commit 65249c23ae
5 changed files with 119 additions and 32 deletions
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4
reactos/lib/crtdll/makefile
View file

@ -1,4 +1,4 @@
# $Id: makefile,v 1.43 2001/01/17 17:00:22 jean Exp $
# $Id: makefile,v 1.44 2001/02/01 16:44:19 jean Exp $
#
# ReactOS Operating System
#
@ -107,7 +107,7 @@ STDLIB_OBJECTS = stdlib/abort.o stdlib/abs.o stdlib/atexit.o stdlib/atof.o stdli
SIGNAL_OBJECTS = signal/signal.o signal/xcptfil.o signal/xcptinfo.o
PROCESS_OBJECTS = process/_cwait.o process/dll.o process/spawnl.o process/spawnlp.o process/spawnlpe.o process/spawnvpe.o process/spawnvp.o \
PROCESS_OBJECTS = process/_cwait.o process/dll.o process/spawnl.o process/spawnlp.o process/spawnlpe.o process/spawnvp.o \
process/spawnv.o process/spawnve.o process/spawnle.o process/execl.o process/execlp.o process/execlpe.o \
process/execvpe.o process/execvp.o process/execv.o process/execle.o process/_system.o\
process/execve.o process/threadid.o process/thread.o process/procid.o

4
reactos/lib/crtdll/process/_cwait.c
View file

@ -22,5 +22,5 @@ int _cwait (int* pnStatus, int hProc, int nAction)
if ( !GetExitCodeProcess((void *)hProc,pnStatus) )
return -1;
return *pnStatus;
}
return hProc;
}

3
reactos/lib/crtdll/process/spawnl.c
View file

@ -8,8 +8,9 @@ int _spawnl(int nMode, const char* szPath, const char* szArgv0,...)
{
char *szArg[100];
const char *a;
int i = 0;
int i = 1;
va_list l = 0;
szArg[0]=szArgv0;
va_start(l,szArgv0);
do {
a = va_arg(l,const char *);

17
reactos/lib/crtdll/process/spawnle.c
View file

@ -8,23 +8,22 @@ int _spawnle(int mode, const char *path, const char *szArgv0, ... /*, const char
char *szArg[100];
char *a;
char *ptr;
int i = 0;
int i = 1;
va_list l = 0;
szArg[0]=szArgv0;
va_start(l,szArgv0);
do {
a = (char *)va_arg(l,const char *);
szArg[i++] = (char *)a;
} while ( a != NULL && i < 100 );
// szArg0 is passed and not environment if there is only one parameter;
if ( i >=2 ) {
ptr = szArg[i-2];
szArg[i-2] = NULL;
if(a != NULL)
{
// __set_errno(E2BIG);
return -1;
}
else
ptr = NULL;
ptr = (char *)va_arg(l,const char *);
return _spawnve(mode, path, (char * const *)szArg, (char * const *)ptr);
}

123
reactos/lib/crtdll/process/spawnve.c
View file

@ -35,10 +35,10 @@ int _fileinfo_dll = 0;
static int
direct_exec_tail(const char *program, const char *args,
char * const envp[])
char * const envp[],
PROCESS_INFORMATION *ProcessInformation)
{
static PROCESS_INFORMATION ProcessInformation;
static STARTUPINFO StartupInfo;
StartupInfo.cb = sizeof(STARTUPINFO);
@ -49,14 +49,17 @@ direct_exec_tail(const char *program, const char *args,
StartupInfo.cbReserved2 = 0;
if ( CreateProcessA((char *)program,(char *)args,NULL,NULL,FALSE,0,(char **)envp,NULL,&StartupInfo,&ProcessInformation) ) {
return -1;
if (! CreateProcessA((char *)program,(char *)args,NULL,NULL,FALSE,0,(char **)envp,NULL,&StartupInfo,ProcessInformation) )
{
__set_errno( GetLastError() );
return -1;
}
return ProcessInformation.dwProcessId;
return (int)ProcessInformation->hProcess;
}
static int vdm_exec(const char *program, char **argv, char **envp)
static int vdm_exec(const char *program, char **argv, char **envp,
PROCESS_INFORMATION *ProcessInformation)
{
static char args[1024];
int i = 0;
@ -69,24 +72,29 @@ static int vdm_exec(const char *program, char **argv, char **envp)
i++;
}
return direct_exec_tail(program,args,envp);
return direct_exec_tail(program,args,envp,ProcessInformation);
}
static int go32_exec(const char *program, char **argv, char **envp)
static int go32_exec(const char *program, char **argv, char **envp,
PROCESS_INFORMATION *ProcessInformation)
{
static char args[1024];
static char envblock[2048];
char * penvblock;
int i = 0;
args[0] = 0;
envblock[0] = 0;
penvblock=envblock;
while(argv[i] != NULL ) {
strcat(args,envp[i]);
strcat(args," ");
while(envp[i] != NULL ) {
strcat(penvblock,envp[i]);
penvblock+=strlen(envp[i])+1;
i++;
}
penvblock[0]=0;
args[0] = 0;
i = 0;
@ -96,11 +104,12 @@ static int go32_exec(const char *program, char **argv, char **envp)
i++;
}
return direct_exec_tail(program,args,envp);
return direct_exec_tail(program,args,envp,ProcessInformation);
}
int
command_exec(const char *program, char **argv, char **envp)
command_exec(const char *program, char **argv, char **envp,
PROCESS_INFORMATION *ProcessInformation)
{
static char args[1024];
int i = 0;
@ -116,11 +125,12 @@ command_exec(const char *program, char **argv, char **envp)
i++;
}
return direct_exec_tail(program,args,envp);
return direct_exec_tail(program,args,envp,ProcessInformation);
}
static int script_exec(const char *program, char **argv, char **envp)
static int script_exec(const char *program, char **argv, char **envp,
PROCESS_INFORMATION *ProcessInformation)
{
return 0;
}
@ -132,10 +142,13 @@ static int script_exec(const char *program, char **argv, char **envp)
executable from one of the shells used on MSDOS. */
static struct {
const char *extension;
int (*interp)(const char *, char **, char **);
int (*interp)(const char *, char **, char **,
PROCESS_INFORMATION *);
} interpreters[] = {
{ ".com", vdm_exec },
{ ".exe", go32_exec },
{ ".dll", go32_exec },
{ ".cmd", command_exec },
{ ".bat", command_exec },
{ ".btm", command_exec },
{ ".sh", script_exec }, /* for compatibility with ms_sh */
@ -159,6 +172,7 @@ static struct {
int _spawnve(int mode, const char *path, char *const argv[], char *const envp[])
{
/* This is the one that does the work! */
PROCESS_INFORMATION ProcessInformation;
union { char *const *x; char **p; } u;
int i = -1;
char **argvp;
@ -237,13 +251,86 @@ int _spawnve(int mode, const char *path, char *const argv[], char *const envp[])
return -1;
}
errno = e;
i = interpreters[i].interp(rpath, argvp, envpp);
i = interpreters[i].interp(rpath, argvp, envpp, &ProcessInformation);
if (mode == P_OVERLAY)
exit(i);
if (mode == P_WAIT)
{
WaitForSingleObject(ProcessInformation.hProcess,INFINITE);
GetExitCodeProcess(ProcessInformation.hProcess,&i);
}
return i;
}
const char * find_exec(char * path,char *rpath)
{
char *rp, *rd=0;
int i;
int is_dir = 0;
int found = 0;
if (path == 0 )
return 0;
if (strlen(path) > FILENAME_MAX - 1)
return path;
/* copy path in rpath */
for (rd=path,rp=rpath; *rd; *rp++ = *rd++)
;
*rp = 0;
/* try first with the name as is */
for (i=0; interpreters[i].extension; i++)
{
strcpy(rp, interpreters[i].extension);
if (_access(rpath, F_OK) == 0 && !(is_dir = (_access(rpath, D_OK) == 0)))
{
found = 1;
break;
}
}
if (!found)
{
/* search in the PATH */
char winpath[MAX_PATH];
if( GetEnvironmentVariableA("PATH",winpath,MAX_PATH))
{
char *ep=winpath;
while( *ep)
{
if(*ep == ';') ep++;
rp=rpath;
for ( ; *ep && (*ep != ';') ; *rp++ = *ep++)
;
*rp++='/';
for (rd=path ; *rd ; *rp++ = *rd++)
;
for (i=0; interpreters[i].extension; i++)
{
strcpy(rp, interpreters[i].extension);
if (_access(rpath, F_OK) == 0 && !(is_dir = (_access(rpath, D_OK) == 0)))
{
found = 1;
break;
}
}
if (found) break;
}
}
}
if (!found)
return path;
return rpath;
}
int _spawnvpe(int nMode, const char* szPath, char* const* szaArgv, char* const* szaEnv)
{
char rpath[FILENAME_MAX];
return _spawnve(nMode, find_exec(szPath,rpath), szaArgv, szaEnv);
}