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#if defined(__WXGTK__) || defined(__WXOSX__)
#include <pty.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <sys/prctl.h>
#include <sys/wait.h>
#include <unistd.h>
#include <utmp.h>
#include <wx/string.h>
#ifndef EOS
#define EOS '\0'
#endif
#define INITIAL_MAXARGC 8 /* Number of args + NULL in initial argv */
static char** argv = NULL;
static int argc = 0;
static void freeargv(char** vector)
{
register char** scan;
if(vector != NULL) {
for(scan = vector; *scan != NULL; scan++) {
free(*scan);
}
free(vector);
}
}
char** dupargv(char** argv)
{
int argc;
char** copy;
if(argv == NULL) return NULL;
/* the vector */
for(argc = 0; argv[argc] != NULL; argc++)
;
copy = (char**)malloc((argc + 1) * sizeof(char*));
if(copy == NULL) return NULL;
/* the strings */
for(argc = 0; argv[argc] != NULL; argc++) {
int len = strlen(argv[argc]);
copy[argc] = (char*)malloc(sizeof(char*) * (len + 1));
if(copy[argc] == NULL) {
freeargv(copy);
return NULL;
}
strcpy(copy[argc], argv[argc]);
}
copy[argc] = NULL;
return copy;
}
#ifndef ISBLANK
#define ISBLANK(c) ((c == ' ') || (c == '\t'))
#endif
char** buildargv(const char* input)
{
char* arg;
char* copybuf;
int squote = 0;
int dquote = 0;
int bsquote = 0;
int argc = 0;
int maxargc = 0;
char** argv = NULL;
char** nargv;
if(input != NULL) {
copybuf = (char*)alloca(strlen(input) + 1);
/* Is a do{}while to always execute the loop once. Always return an
argv, even for null strings. See NOTES above, test case below. */
do {
/* Pick off argv[argc] */
while(ISBLANK(*input)) {
input++;
}
if((maxargc == 0) || (argc >= (maxargc - 1))) {
/* argv needs initialization, or expansion */
if(argv == NULL) {
maxargc = INITIAL_MAXARGC;
nargv = (char**)malloc(maxargc * sizeof(char*));
} else {
maxargc *= 2;
nargv = (char**)realloc(argv, maxargc * sizeof(char*));
}
if(nargv == NULL) {
if(argv != NULL) {
freeargv(argv);
argv = NULL;
}
break;
}
argv = nargv;
argv[argc] = NULL;
}
/* Begin scanning arg */
arg = copybuf;
while(*input != EOS) {
if(ISBLANK(*input) && !squote && !dquote && !bsquote) {
break;
} else {
if(bsquote) {
bsquote = 0;
*arg++ = *input;
} else if(*input == '\\') {
bsquote = 1;
} else if(squote) {
if(*input == '\'') {
squote = 0;
} else {
*arg++ = *input;
}
} else if(dquote) {
if(*input == '"') {
dquote = 0;
} else {
*arg++ = *input;
}
} else {
if(*input == '\'') {
squote = 1;
} else if(*input == '"') {
dquote = 1;
} else {
*arg++ = *input;
}
}
input++;
}
}
*arg = EOS;
argv[argc] = strdup(copybuf);
if(argv[argc] == NULL) {
freeargv(argv);
argv = NULL;
break;
}
argc++;
argv[argc] = NULL;
while(ISBLANK(*input)) {
input++;
}
} while(*input != EOS);
}
return (argv);
}
//-----------------------------------------------------
char** make_argv(const std::string& cmd, int& _argc)
{
if(argc) {
freeargv(argv);
_argc = 0;
}
argv = buildargv(cmd.c_str());
argc = 0;
for(char** targs = argv; *targs != NULL; targs++) {
argc++;
}
_argc = argc;
return argv;
}
int StartProcess(const wxString& nodejs, const wxString& scriptPath, int& pid)
{
pid = 0;
int master, slave;
openpty(&master, &slave, NULL, NULL, NULL);
int _argc = 0;
wxString command;
command << nodejs << " inspect " << scriptPath;
pid = fork();
if(pid == 0) {
login_tty(slave);
close(master); // close the un-needed master end
char** _argv = make_argv(command.mb_str(wxConvUTF8).data(), _argc);
execvp(_argv[0], _argv);
// Nothing below this line should be executed by child process. If so,
// it means that the execl function wasn't successfull, so lets exit:
exit(1);
}
// Parent code
// remove the echo
close(slave);
struct termios tios;
tcgetattr(master, &tios);
tios.c_lflag &= ~(ECHO | ECHONL);
tcsetattr(master, TCSAFLUSH, &tios);
return master;
}
#endif // USE_FORK
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