src/gtk1/utilsgtk.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        utils.cpp
// Purpose:
// Author:      Robert Roebling
// Created:     01/02/97
// Id:
// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence:   	wxWindows licence
/////////////////////////////////////////////////////////////////////////////


//#ifdef __GNUG__
//#pragma implementation "utils.h"
//#endif

#include "wx/utils.h"
#include "wx/string.h"

#include <stdarg.h>
#include <dirent.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>
#include <pwd.h>
#include <errno.h>
#include <netdb.h>
#include <signal.h>

#ifdef __SVR4__
#include <sys/systeminfo.h>
#endif

//------------------------------------------------------------------------
// misc.
//------------------------------------------------------------------------

void wxBell(void)
{
  gdk_beep();
};

void wxSleep(int nSecs)
{
  sleep(nSecs);
};

int wxKill(long pid, int sig)
{
  return kill(pid, sig);
};

void wxDisplaySize( int *width, int *height )
{
  if (width) *width = gdk_screen_width();
  if (height) *height = gdk_screen_height();
}

void wxGetMousePosition( int* x, int* y )
{
  wxFAIL_MSG( "GetMousePosition not yet implemented" );
  if (x) *x = 0;
  if (y) *y = 0;
};

bool wxColourDisplay(void)
{
  wxFAIL_MSG( "wxColourDisplay always returns TRUE" );
  return TRUE;
}

int wxDisplayDepth(void)
{
  wxFAIL_MSG( "wxDisplayDepth always returns 8" );
  return 8;
}

//------------------------------------------------------------------------
// user and home routines
//------------------------------------------------------------------------

char* wxGetHomeDir( char *dest )
{
  wxString tmp = wxGetUserHome( wxString() );
  if (tmp.IsNull())
    strcpy( wxBuffer, "/" );
  else
    strcpy( wxBuffer, tmp );
  if (dest) strcpy( dest, WXSTRINGCAST tmp );
  return wxBuffer;
};

char *wxGetUserHome( const wxString &user )
{
  struct passwd *who = (struct passwd *) NULL;

  if (user.IsNull() || (user== ""))
  {
	register char *ptr;

	if ((ptr = getenv("HOME")) != NULL)
	    return ptr;
	if ((ptr = getenv("USER")) != NULL
	|| (ptr = getenv("LOGNAME")) != NULL) {
	    who = getpwnam(ptr);
	}
	// We now make sure the the user exists!
	if (who == NULL)
	    who = getpwuid(getuid());
  }
  else
    who = getpwnam (user);

  return who ? who->pw_dir : (char*)NULL;
};

//------------------------------------------------------------------------
// id routines
//------------------------------------------------------------------------

bool wxGetHostName(char *buf, int sz)
{
    *buf = '\0';
#if defined(__SVR4__) && !defined(__sgi)
    return (sysinfo(SI_HOSTNAME, buf, sz) != -1);
#else /* BSD Sockets */
    char name[255];
    struct hostent *h;
    // Get hostname
    if (gethostname(name, sizeof(name)/sizeof(char)-1) == -1)
	return FALSE;
    // Get official full name of host
    strncpy(buf, (h=gethostbyname(name))!=NULL ? h->h_name : name, sz-1);
    return TRUE;
#endif
}

bool wxGetUserId(char *buf, int sz)
{
    struct passwd *who;

    *buf = '\0';
    if ((who = getpwuid(getuid ())) != NULL) {
	strncpy (buf, who->pw_name, sz-1);
	return TRUE;
    }
    return FALSE;
}

bool wxGetUserName(char *buf, int sz)
{
    struct passwd *who;

    *buf = '\0';
    if ((who = getpwuid (getuid ())) != NULL) {
	strncpy (buf, who->pw_gecos, sz - 1);
	return TRUE;
    }
    return FALSE;
}

//------------------------------------------------------------------------
// error and debug output routines
//------------------------------------------------------------------------

void wxDebugMsg( const char *format, ... )
{
  va_list ap;
  va_start( ap, format );
  vfprintf( stderr, format, ap );
  fflush( stderr );
  va_end(ap);
};

void wxError( const wxString &msg, const wxString &title )
{
  fprintf( stderr, "Error " );
  if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
  if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
  fprintf( stderr, ".\n" );
};

void wxFatalError( const wxString &msg, const wxString &title )
{
  fprintf( stderr, "Error " );
  if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
  if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
  fprintf( stderr, ".\n" );
  exit(1);
};

//------------------------------------------------------------------------
// directory routines
//------------------------------------------------------------------------

bool wxDirExists( const wxString& dir )
{
  char buf[500];
  strcpy( buf, WXSTRINGCAST(dir) );
  struct stat sbuf;
  return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE);
};

//------------------------------------------------------------------------
// wild character routines
//------------------------------------------------------------------------

bool wxIsWild( const wxString& pattern )
{
  wxString tmp = pattern;
  char *pat = WXSTRINGCAST(tmp);
    while (*pat) {
	switch (*pat++) {
	case '?': case '*': case '[': case '{':
	    return TRUE;
	case '\\':
	    if (!*pat++)
		return FALSE;
	}
    }
    return FALSE;
};


bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
{
  wxString tmp1 = pat;
  char *pattern = WXSTRINGCAST(tmp1);
  wxString tmp2 = text;
  char *str = WXSTRINGCAST(tmp2);
    char c;
    char *cp;
    bool done = FALSE, ret_code, ok;
    // Below is for vi fans
    const char OB = '{', CB = '}';

    // dot_special means '.' only matches '.'
    if (dot_special && *str == '.' && *pattern != *str)
	return FALSE;

    while ((*pattern != '\0') && (!done)
    && (((*str=='\0')&&((*pattern==OB)||(*pattern=='*')))||(*str!='\0'))) {
	switch (*pattern) {
	case '\\':
	    pattern++;
	    if (*pattern != '\0')
		pattern++;
	    break;
	case '*':
	    pattern++;
	    ret_code = FALSE;
	    while ((*str!='\0')
	    && (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
		/*loop*/;
	    if (ret_code) {
		while (*str != '\0')
		    str++;
		while (*pattern != '\0')
		    pattern++;
	    }
	    break;
	case '[':
	    pattern++;
	  repeat:
	    if ((*pattern == '\0') || (*pattern == ']')) {
		done = TRUE;
		break;
	    }
	    if (*pattern == '\\') {
		pattern++;
		if (*pattern == '\0') {
		    done = TRUE;
		    break;
		}
	    }
	    if (*(pattern + 1) == '-') {
		c = *pattern;
		pattern += 2;
		if (*pattern == ']') {
		    done = TRUE;
		    break;
		}
		if (*pattern == '\\') {
		    pattern++;
		    if (*pattern == '\0') {
			done = TRUE;
			break;
		    }
		}
		if ((*str < c) || (*str > *pattern)) {
		    pattern++;
		    goto repeat;
		}
	    } else if (*pattern != *str) {
		pattern++;
		goto repeat;
	    }
	    pattern++;
	    while ((*pattern != ']') && (*pattern != '\0')) {
		if ((*pattern == '\\') && (*(pattern + 1) != '\0'))
		    pattern++;
		pattern++;
	    }
	    if (*pattern != '\0') {
		pattern++, str++;
	    }
	    break;
	case '?':
	    pattern++;
	    str++;
	    break;
	case OB:
	    pattern++;
	    while ((*pattern != CB) && (*pattern != '\0')) {
		cp = str;
		ok = TRUE;
		while (ok && (*cp != '\0') && (*pattern != '\0')
		&&  (*pattern != ',') && (*pattern != CB)) {
		    if (*pattern == '\\')
			pattern++;
		    ok = (*pattern++ == *cp++);
		}
		if (*pattern == '\0') {
		    ok = FALSE;
		    done = TRUE;
		    break;
		} else if (ok) {
		    str = cp;
		    while ((*pattern != CB) && (*pattern != '\0')) {
			if (*++pattern == '\\') {
			    if (*++pattern == CB)
				pattern++;
			}
		    }
		} else {
		    while (*pattern!=CB && *pattern!=',' && *pattern!='\0') {
			if (*++pattern == '\\') {
                            if (*++pattern == CB || *pattern == ',')
				pattern++;
			}
		    }
		}
		if (*pattern != '\0')
		    pattern++;
	    }
	    break;
	default:
	    if (*str == *pattern) {
		str++, pattern++;
	    } else {
		done = TRUE;
	    }
	}
    }
    while (*pattern == '*')
	pattern++;
    return ((*str == '\0') && (*pattern == '\0'));
};

//------------------------------------------------------------------------
// subprocess routines
//------------------------------------------------------------------------

typedef struct {
  gint pid, tag;
  wxProcess *process;
} wxEndProcessData;

static void GTK_EndProcessDetector(gpointer data, gint source,
                                   GdkInputCondition WXUNUSED(condition) )
{
  wxEndProcessData *proc_data = (wxEndProcessData *)data;
  int pid;

  pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);

  /* wait4 is not part of any standard, use at own risk
   * not sure what wait4 does, but wait3 seems to be closest, whats a digit ;-)
   * --- offer@sgi.com */
#if !defined(__sgi)
  wait4(proc_data->pid, NULL, 0, NULL);
#else
  wait3((int *) NULL, 0, (rusage *) NULL);
#endif

  close(source);
  gdk_input_remove(proc_data->tag);

  if (proc_data->process)
    proc_data->process->OnTerminate(proc_data->pid);

  if (proc_data->pid > 0)
    delete proc_data;
  else
    proc_data->pid = 0;
};

long wxExecute( char **argv, bool sync, wxProcess *process )
{
    wxEndProcessData *data = new wxEndProcessData;
    int end_proc_detect[2];

    if (*argv == NULL)
	return 0;

    /* Create pipes */
    if (pipe(end_proc_detect) == -1) {
      perror("pipe failed");
      return 0;
    }

    /* fork the process */
#if defined(sun) || defined(__ultrix) || defined(__bsdi__)
    pid_t pid = vfork();
#else
    pid_t pid = fork();
#endif
    if (pid == -1) {
	perror ("fork failed");
	return 0;
    } else if (pid == 0) {
        /* Close fd not useful */
        close(end_proc_detect[0]); // close reading side

	/* child */
#ifdef _AIX
	execvp ((const char *)*argv, (const char **)argv);
#else
	execvp (*argv, argv);
#endif
	if (errno == ENOENT)
	    wxError("command not found", *argv);
	else
	    perror (*argv);
	wxError("could not execute", *argv);
	_exit (-1);
    }

    close(end_proc_detect[1]); // close writing side
    data->tag = gdk_input_add(end_proc_detect[0], GDK_INPUT_READ,
                              GTK_EndProcessDetector, (gpointer)data);
    data->pid = pid;
    if (!sync) {
      data->process = process;
    } else {
      data->process = (wxProcess *) NULL;
      data->pid = -(data->pid);

      while (data->pid != 0)
        wxYield();

      delete data;
    }

    return pid;
};

long wxExecute( const wxString& command, bool sync, wxProcess *process )
{
    if (command.IsNull() || command == "") return FALSE;

    int argc = 0;
    char *argv[127];
    char tmp[1024];
    const char *IFS = " \t\n";

    strncpy (tmp, command, sizeof(tmp) / sizeof(char) - 1);
    tmp[sizeof (tmp) / sizeof (char) - 1] = '\0';
    argv[argc++] = strtok (tmp, IFS);
    while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL)
	/* loop */ ;
    return wxExecute(argv, sync, process);
};
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: utils.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Created: 01/02/97
	6	// Id:
	7	// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11
	12	//#ifdef __GNUG__
	13	//#pragma implementation "utils.h"
	14	//#endif
	15
	16	#include "wx/utils.h"
	17	#include "wx/string.h"
	18
	19	#include <stdarg.h>
	20	#include <dirent.h>
	21	#include <string.h>
	22	#include <sys/stat.h>
	23	#include <sys/types.h>
	24	#include <unistd.h>
	25	#include <sys/wait.h>
	26	#include <pwd.h>
	27	#include <errno.h>
	28	#include <netdb.h>
	29	#include <signal.h>
	30
	31	#ifdef __SVR4__
	32	#include <sys/systeminfo.h>
	33	#endif
	34
	35	//------------------------------------------------------------------------
	36	// misc.
	37	//------------------------------------------------------------------------
	38
	39	void wxBell(void)
	40	{
	41	gdk_beep();
	42	};
	43
	44	void wxSleep(int nSecs)
	45	{
	46	sleep(nSecs);
	47	};
	48
	49	int wxKill(long pid, int sig)
	50	{
	51	return kill(pid, sig);
	52	};
	53
	54	void wxDisplaySize( int width, int height )
	55	{
	56	if (width) *width = gdk_screen_width();
	57	if (height) *height = gdk_screen_height();
	58	}
	59
	60	void wxGetMousePosition( int* x, int* y )
	61	{
	62	wxFAIL_MSG( "GetMousePosition not yet implemented" );
	63	if (x) *x = 0;
	64	if (y) *y = 0;
	65	};
	66
	67	bool wxColourDisplay(void)
	68	{
	69	wxFAIL_MSG( "wxColourDisplay always returns TRUE" );
	70	return TRUE;
	71	}
	72
	73	int wxDisplayDepth(void)
	74	{
	75	wxFAIL_MSG( "wxDisplayDepth always returns 8" );
	76	return 8;
	77	}
	78
	79	//------------------------------------------------------------------------
	80	// user and home routines
	81	//------------------------------------------------------------------------
	82
	83	char* wxGetHomeDir( char *dest )
	84	{
	85	wxString tmp = wxGetUserHome( wxString() );
	86	if (tmp.IsNull())
	87	strcpy( wxBuffer, "/" );
	88	else
	89	strcpy( wxBuffer, tmp );
	90	if (dest) strcpy( dest, WXSTRINGCAST tmp );
	91	return wxBuffer;
	92	};
	93
	94	char *wxGetUserHome( const wxString &user )
	95	{
	96	struct passwd who = (struct passwd ) NULL;
	97
	98	if (user.IsNull() \|\| (user== ""))
	99	{
	100	register char *ptr;
	101
	102	if ((ptr = getenv("HOME")) != NULL)
	103	return ptr;
	104	if ((ptr = getenv("USER")) != NULL
	105	\|\| (ptr = getenv("LOGNAME")) != NULL) {
	106	who = getpwnam(ptr);
	107	}
	108	// We now make sure the the user exists!
	109	if (who == NULL)
	110	who = getpwuid(getuid());
	111	}
	112	else
	113	who = getpwnam (user);
	114
	115	return who ? who->pw_dir : (char*)NULL;
	116	};
	117
	118	//------------------------------------------------------------------------
	119	// id routines
	120	//------------------------------------------------------------------------
	121
	122	bool wxGetHostName(char *buf, int sz)
	123	{
	124	*buf = '\0';
	125	#if defined(__SVR4__) && !defined(__sgi)
	126	return (sysinfo(SI_HOSTNAME, buf, sz) != -1);
	127	#else /* BSD Sockets */
	128	char name[255];
	129	struct hostent *h;
	130	// Get hostname
	131	if (gethostname(name, sizeof(name)/sizeof(char)-1) == -1)
	132	return FALSE;
	133	// Get official full name of host
	134	strncpy(buf, (h=gethostbyname(name))!=NULL ? h->h_name : name, sz-1);
	135	return TRUE;
	136	#endif
	137	}
	138
	139	bool wxGetUserId(char *buf, int sz)
	140	{
	141	struct passwd *who;
	142
	143	*buf = '\0';
	144	if ((who = getpwuid(getuid ())) != NULL) {
	145	strncpy (buf, who->pw_name, sz-1);
	146	return TRUE;
	147	}
	148	return FALSE;
	149	}
	150
	151	bool wxGetUserName(char *buf, int sz)
	152	{
	153	struct passwd *who;
	154
	155	*buf = '\0';
	156	if ((who = getpwuid (getuid ())) != NULL) {
	157	strncpy (buf, who->pw_gecos, sz - 1);
	158	return TRUE;
	159	}
	160	return FALSE;
	161	}
	162
	163	//------------------------------------------------------------------------
	164	// error and debug output routines
	165	//------------------------------------------------------------------------
	166
	167	void wxDebugMsg( const char *format, ... )
	168	{
	169	va_list ap;
	170	va_start( ap, format );
	171	vfprintf( stderr, format, ap );
	172	fflush( stderr );
	173	va_end(ap);
	174	};
	175
	176	void wxError( const wxString &msg, const wxString &title )
	177	{
	178	fprintf( stderr, "Error " );
	179	if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
	180	if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
	181	fprintf( stderr, ".\n" );
	182	};
	183
	184	void wxFatalError( const wxString &msg, const wxString &title )
	185	{
	186	fprintf( stderr, "Error " );
	187	if (!title.IsNull()) fprintf( stderr, "%s ", WXSTRINGCAST(title) );
	188	if (!msg.IsNull()) fprintf( stderr, ": %s", WXSTRINGCAST(msg) );
	189	fprintf( stderr, ".\n" );
	190	exit(1);
	191	};
	192
	193	//------------------------------------------------------------------------
	194	// directory routines
	195	//------------------------------------------------------------------------
	196
	197	bool wxDirExists( const wxString& dir )
	198	{
	199	char buf[500];
	200	strcpy( buf, WXSTRINGCAST(dir) );
	201	struct stat sbuf;
	202	return ((stat(buf, &sbuf) != -1) && S_ISDIR(sbuf.st_mode) ? TRUE : FALSE);
	203	};
	204
	205	//------------------------------------------------------------------------
	206	// wild character routines
	207	//------------------------------------------------------------------------
	208
	209	bool wxIsWild( const wxString& pattern )
	210	{
	211	wxString tmp = pattern;
	212	char *pat = WXSTRINGCAST(tmp);
	213	while (*pat) {
	214	switch (*pat++) {
	215	case '?': case '*': case '[': case '{':
	216	return TRUE;
	217	case '\\':
	218	if (!*pat++)
	219	return FALSE;
	220	}
	221	}
	222	return FALSE;
	223	};
	224
	225
	226	bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
	227	{
	228	wxString tmp1 = pat;
	229	char *pattern = WXSTRINGCAST(tmp1);
	230	wxString tmp2 = text;
	231	char *str = WXSTRINGCAST(tmp2);
	232	char c;
	233	char *cp;
	234	bool done = FALSE, ret_code, ok;
	235	// Below is for vi fans
	236	const char OB = '{', CB = '}';
	237
	238	// dot_special means '.' only matches '.'
	239	if (dot_special && str == '.' && pattern != *str)
	240	return FALSE;
	241
	242	while ((*pattern != '\0') && (!done)
	243	&& (((str=='\0')&&((pattern==OB)\|\|(pattern=='')))\|\|(*str!='\0'))) {
	244	switch (*pattern) {
	245	case '\\':
	246	pattern++;
	247	if (*pattern != '\0')
	248	pattern++;
	249	break;
	250	case '*':
	251	pattern++;
	252	ret_code = FALSE;
	253	while ((*str!='\0')
	254	&& (!(ret_code=wxMatchWild(pattern, str++, FALSE))))
	255	/loop/;
	256	if (ret_code) {
	257	while (*str != '\0')
	258	str++;
	259	while (*pattern != '\0')
	260	pattern++;
	261	}
	262	break;
	263	case '[':
	264	pattern++;
	265	repeat:
	266	if ((pattern == '\0') \|\| (pattern == ']')) {
	267	done = TRUE;
	268	break;
	269	}
	270	if (*pattern == '\\') {
	271	pattern++;
	272	if (*pattern == '\0') {
	273	done = TRUE;
	274	break;
	275	}
	276	}
	277	if (*(pattern + 1) == '-') {
	278	c = *pattern;
	279	pattern += 2;
	280	if (*pattern == ']') {
	281	done = TRUE;
	282	break;
	283	}
	284	if (*pattern == '\\') {
	285	pattern++;
	286	if (*pattern == '\0') {
	287	done = TRUE;
	288	break;
	289	}
	290	}
	291	if ((str < c) \|\| (str > *pattern)) {
	292	pattern++;
	293	goto repeat;
	294	}
	295	} else if (pattern != str) {
	296	pattern++;
	297	goto repeat;
	298	}
	299	pattern++;
	300	while ((pattern != ']') && (pattern != '\0')) {
	301	if ((pattern == '\\') && ((pattern + 1) != '\0'))
	302	pattern++;
	303	pattern++;
	304	}
	305	if (*pattern != '\0') {
	306	pattern++, str++;
	307	}
	308	break;
	309	case '?':
	310	pattern++;
	311	str++;
	312	break;
	313	case OB:
	314	pattern++;
	315	while ((pattern != CB) && (pattern != '\0')) {
	316	cp = str;
	317	ok = TRUE;
	318	while (ok && (cp != '\0') && (pattern != '\0')
	319	&& (pattern != ',') && (pattern != CB)) {
	320	if (*pattern == '\\')
	321	pattern++;
	322	ok = (pattern++ == cp++);
	323	}
	324	if (*pattern == '\0') {
	325	ok = FALSE;
	326	done = TRUE;
	327	break;
	328	} else if (ok) {
	329	str = cp;
	330	while ((pattern != CB) && (pattern != '\0')) {
	331	if (*++pattern == '\\') {
	332	if (*++pattern == CB)
	333	pattern++;
	334	}
	335	}
	336	} else {
	337	while (pattern!=CB && pattern!=',' && *pattern!='\0') {
	338	if (*++pattern == '\\') {
	339	if (++pattern == CB \|\| pattern == ',')
	340	pattern++;
	341	}
	342	}
	343	}
	344	if (*pattern != '\0')
	345	pattern++;
	346	}
	347	break;
	348	default:
	349	if (str == pattern) {
	350	str++, pattern++;
	351	} else {
	352	done = TRUE;
	353	}
	354	}
	355	}
	356	while (pattern == '')
	357	pattern++;
	358	return ((str == '\0') && (pattern == '\0'));
	359	};
	360
	361	//------------------------------------------------------------------------
	362	// subprocess routines
	363	//------------------------------------------------------------------------
	364
	365	typedef struct {
	366	gint pid, tag;
	367	wxProcess *process;
	368	} wxEndProcessData;
	369
	370	static void GTK_EndProcessDetector(gpointer data, gint source,
	371	GdkInputCondition WXUNUSED(condition) )
	372	{
	373	wxEndProcessData proc_data = (wxEndProcessData )data;
	374	int pid;
	375
	376	pid = (proc_data->pid > 0) ? proc_data->pid : -(proc_data->pid);
	377
	378	/* wait4 is not part of any standard, use at own risk
	379	* not sure what wait4 does, but wait3 seems to be closest, whats a digit ;-)
	380	* --- offer@sgi.com */
	381	#if !defined(__sgi)
	382	wait4(proc_data->pid, NULL, 0, NULL);
	383	#else
	384	wait3((int ) NULL, 0, (rusage ) NULL);
	385	#endif
	386
	387	close(source);
	388	gdk_input_remove(proc_data->tag);
	389
	390	if (proc_data->process)
	391	proc_data->process->OnTerminate(proc_data->pid);
	392
	393	if (proc_data->pid > 0)
	394	delete proc_data;
	395	else
	396	proc_data->pid = 0;
	397	};
	398
	399	long wxExecute( char *argv, bool sync, wxProcess process )
	400	{
	401	wxEndProcessData *data = new wxEndProcessData;
	402	int end_proc_detect[2];
	403
	404	if (*argv == NULL)
	405	return 0;
	406
	407	/* Create pipes */
	408	if (pipe(end_proc_detect) == -1) {
	409	perror("pipe failed");
	410	return 0;
	411	}
	412
	413	/* fork the process */
	414	#if defined(sun) \|\| defined(__ultrix) \|\| defined(__bsdi__)
	415	pid_t pid = vfork();
	416	#else
	417	pid_t pid = fork();
	418	#endif
	419	if (pid == -1) {
	420	perror ("fork failed");
	421	return 0;
	422	} else if (pid == 0) {
	423	/* Close fd not useful */
	424	close(end_proc_detect[0]); // close reading side
	425
	426	/* child */
	427	#ifdef _AIX
	428	execvp ((const char )argv, (const char **)argv);
	429	#else
	430	execvp (*argv, argv);
	431	#endif
	432	if (errno == ENOENT)
	433	wxError("command not found", *argv);
	434	else
	435	perror (*argv);
	436	wxError("could not execute", *argv);
	437	_exit (-1);
	438	}
	439
	440	close(end_proc_detect[1]); // close writing side
	441	data->tag = gdk_input_add(end_proc_detect[0], GDK_INPUT_READ,
	442	GTK_EndProcessDetector, (gpointer)data);
	443	data->pid = pid;
	444	if (!sync) {
	445	data->process = process;
	446	} else {
	447	data->process = (wxProcess *) NULL;
	448	data->pid = -(data->pid);
	449
	450	while (data->pid != 0)
	451	wxYield();
	452
	453	delete data;
	454	}
	455
	456	return pid;
	457	};
	458
	459	long wxExecute( const wxString& command, bool sync, wxProcess *process )
	460	{
	461	if (command.IsNull() \|\| command == "") return FALSE;
	462
	463	int argc = 0;
	464	char *argv[127];
	465	char tmp[1024];
	466	const char *IFS = " \t\n";
	467
	468	strncpy (tmp, command, sizeof(tmp) / sizeof(char) - 1);
	469	tmp[sizeof (tmp) / sizeof (char) - 1] = '\0';
	470	argv[argc++] = strtok (tmp, IFS);
	471	while ((argv[argc++] = strtok((char *) NULL, IFS)) != NULL)
	472	/* loop */ ;
	473	return wxExecute(argv, sync, process);
	474	};
	475
	476