Commit | Line | Data |
---|---|---|
190c655a GM |
1 | #include <stdio.h> |
2 | ||
f478095f | 3 | #include "../general/general.h" |
4718d085 | 4 | #include "../ctlr/api.h" |
190c655a GM |
5 | #include "spint.h" |
6 | ||
9563b3d1 GM |
7 | #include "../general/globals.h" |
8 | ||
9 | ||
10 | static Spint spinted; | |
11 | static char command[256]; | |
12 | static int need_to_start = 0; | |
13 | ||
14 | /* | |
15 | * shell_continue() actually runs the command, and looks for API | |
16 | * requests coming back in. | |
17 | * | |
18 | * We are called from the main loop in telnet.c. | |
19 | */ | |
20 | ||
21 | int | |
22 | shell_continue() | |
23 | { | |
24 | /* | |
25 | * spint_start() returns when either the command has finished, or when | |
26 | * the required interrupt comes in. In the latter case, the appropriate | |
27 | * thing to do is to process the interrupt, and then return to | |
28 | * the interrupt issuer by calling spint_continue(). | |
29 | */ | |
30 | if (need_to_start) { | |
31 | need_to_start = 0; | |
32 | spint_start(command, &spinted); | |
33 | } | |
34 | ||
35 | if (spinted.done == 0) { | |
36 | /* Process request */ | |
37 | handle_api(&spinted.regs, &spinted.sregs); | |
38 | spint_continue(&spinted); | |
39 | } else { | |
34987061 GM |
40 | char inputbuffer[100]; |
41 | ||
9563b3d1 GM |
42 | if (spinted.rc != 0) { |
43 | fprintf(stderr, "Process generated a return code of 0x%x.\n", | |
44 | spinted.rc); | |
45 | } | |
34987061 GM |
46 | printf("[Hit return to continue]"); |
47 | fflush(stdout); | |
48 | (void) gets(inputbuffer); | |
9563b3d1 | 49 | shell_active = 0; |
34987061 GM |
50 | setconnmode(); |
51 | ConnectScreen(); | |
9563b3d1 GM |
52 | } |
53 | return shell_active; | |
54 | } | |
190c655a GM |
55 | |
56 | ||
57 | /* | |
58 | * Called from telnet.c to fork a lower command.com. We | |
59 | * use the spint... routines so that we can pick up | |
60 | * interrupts generated by application programs. | |
61 | */ | |
62 | ||
63 | ||
64 | int | |
65 | shell(argc,argv) | |
66 | int argc; | |
67 | char *argv[]; | |
68 | { | |
190c655a GM |
69 | |
70 | ClearElement(spinted); | |
71 | spinted.int_no = API_INTERRUPT_NUMBER; | |
72 | if (argc == 1) { | |
73 | command[0] = 0; | |
74 | } else { | |
75 | char *cmdptr; | |
76 | int length; | |
77 | ||
78 | argc--; | |
79 | argv++; | |
80 | strcpy(command, " /c"); | |
81 | cmdptr = command+strlen(command); | |
82 | while (argc) { | |
83 | if ((cmdptr+strlen(*argv)) >= (command+sizeof command)) { | |
84 | fprintf(stderr, "Argument list too long at argument *%s*.\n", | |
85 | *argv); | |
86 | return 0; | |
87 | } | |
88 | *cmdptr++ = ' '; /* Blank separators */ | |
89 | strcpy(cmdptr, *argv); | |
90 | cmdptr += strlen(cmdptr); | |
91 | argc--; | |
92 | argv++; | |
93 | } | |
94 | length = strlen(command)-1; | |
95 | if (length < 0) { | |
96 | length = 0; | |
97 | } | |
98 | command[0] = length; | |
99 | } | |
9563b3d1 GM |
100 | need_to_start = 1; |
101 | shell_active = 1; | |
102 | return 1; /* Go back to main loop */ | |
190c655a | 103 | } |