1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
#define INCL_DOS
#define INCL_DOSERRORS
#define INCL_DOSSESMGR
#define INCL_WINPROGRAMLIST
#include <os2.h>
#include "config.h"
#include <sys/emx.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <io.h>
#include <process.h>
#include <errno.h>
#include <malloc.h>
#include <string.h>
void noinherit(int fd)
{
DosSetFHState(fd, OPEN_FLAGS_NOINHERIT);
}
static int isfullscreen(void)
{
PTIB ptib;
PPIB ppib;
DosGetInfoBlocks(&ptib, &ppib);
return (ppib -> pib_ultype != SSF_TYPE_WINDOWABLEVIO);
}
static int
newsession(int type, int mode, char *cmd, char **args, char **env)
{
STARTDATA sd;
STATUSDATA st;
REQUESTDATA qr;
ULONG sid, pid, len, cnt, rc;
PVOID ptr;
BYTE prio;
static char queue[18];
static HQUEUE qid = -1;
char *ap, *ep, *p;
for ( cnt = 1, len = 0; args[cnt] != NULL; cnt++ )
len += strlen(args[cnt]) + 1;
p = ap = alloca(len + 2);
*p = 0;
for ( cnt = 1, len = 0; args[cnt] != NULL; cnt++ )
{
if ( cnt > 1 )
*p++ = ' ';
strcpy(p, args[cnt]);
p += strlen(p);
}
for ( cnt = 0, len = 0; env[cnt] != NULL; cnt++ )
len += strlen(env[cnt]) + 1;
p = ep = alloca(len + 2);
*p = 0;
for ( cnt = 0, len = 0; env[cnt] != NULL; cnt++ )
{
strcpy(p, env[cnt]);
p += strlen(p) + 1;
}
*p = 0;
if ( mode == P_WAIT && qid == -1 )
{
sprintf(queue, "\\queues\\ksh%04d", getpid());
if ( DosCreateQueue(&qid, QUE_FIFO, queue) )
return -1;
}
sd.Length = sizeof(sd);
sd.Related = (mode == P_WAIT) ? SSF_RELATED_CHILD : SSF_RELATED_INDEPENDENT;
sd.FgBg = SSF_FGBG_FORE;
sd.TraceOpt = SSF_TRACEOPT_NONE;
sd.PgmTitle = NULL;
sd.PgmName = cmd;
sd.PgmInputs = (PBYTE) ap;
sd.TermQ = (mode == P_WAIT) ? (PBYTE) queue : NULL;
sd.Environment = NULL;
sd.InheritOpt = SSF_INHERTOPT_PARENT;
sd.SessionType = type;
sd.IconFile = NULL;
sd.PgmHandle = 0;
sd.PgmControl = 0;
if ( DosStartSession(&sd, &sid, &pid) )
return errno = ENOEXEC, -1;
if ( mode == P_WAIT )
{
st.Length = sizeof(st);
st.SelectInd = SET_SESSION_UNCHANGED;
st.BondInd = SET_SESSION_BOND;
DosSetSession(sid, &st);
if ( DosReadQueue(qid, &qr, &len, &ptr, 0, DCWW_WAIT, &prio, 0) )
return -1;
rc = ((PUSHORT)ptr)[1];
DosFreeMem(ptr);
exit(rc);
}
else
exit(0);
}
int ksh_execve(char *cmd, char **args, char **env)
{
ULONG apptype;
char path[256], *p;
int rc;
strcpy(path, cmd);
for ( p = path; *p; p++ )
if ( *p == '/' )
*p = '\\';
if ( DosQueryAppType(path, &apptype) == 0 )
{
if (apptype & FAPPTYP_DOS)
return newsession(isfullscreen() ? SSF_TYPE_VDM :
SSF_TYPE_WINDOWEDVDM,
P_NOWAIT, path, args, env);
if ((apptype & FAPPTYP_WINDOWSREAL) ||
(apptype & FAPPTYP_WINDOWSPROT) ||
(apptype & FAPPTYP_WINDOWSPROT31))
return newsession(isfullscreen() ? PROG_WINDOW_AUTO :
PROG_SEAMLESSCOMMON,
P_NOWAIT, path, args, env);
if ( (apptype & FAPPTYP_EXETYPE) == FAPPTYP_WINDOWAPI ) {
printf(""); /* kludge to prevent PM apps from core dumping */
return newsession(SSF_TYPE_PM, P_NOWAIT, path, args, env);
}
if ( (apptype & FAPPTYP_EXETYPE) == FAPPTYP_NOTWINDOWCOMPAT ||
(apptype & FAPPTYP_EXETYPE) == FAPPTYP_NOTSPEC )
if ( !isfullscreen() )
return newsession(SSF_TYPE_FULLSCREEN, P_NOWAIT, path, args, env);
}
if ( (rc = execve(path, args, env)) != -1 )
exit(rc);
return -1;
}
void UnixName(char *path)
{
for ( ; *path; path++ )
if ( *path == '\\' )
*path = '/';
}
char *ksh_strchr_dirsep(const char *path)
{
char *p1 = strchr(path, '\\');
char *p2 = strchr(path, '/');
if ( !p1 ) return p2;
if ( !p2 ) return p1;
return (p1 > p2) ? p2 : p1;
}
char *ksh_strrchr_dirsep(const char *path)
{
char *p1 = strrchr(path, '\\');
char *p2 = strrchr(path, '/');
if ( !p1 ) return p2;
if ( !p2 ) return p1;
return (p1 > p2) ? p1 : p2;
}
|
