source: trunk/src/win32k/rexx/kRx.c@ 3670

Last change on this file since 3670 was 3650, checked in by bird, 25 years ago

Rewrote kRx.c in assembly!
File size: 4.2 KB
Line 
1/* $Id: kRx.c,v 1.2 2000-06-03 03:50:45 bird Exp $
2 *
3 * kRx - Small rexx script interpreter.
4 *
5 * Will be re-written in assembly later!!!
6 *
7 * Copyright (c) 2000 knut st. osmundsen (knut.stange.osmundsen@pmsc.no)
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12
13
14
15/*******************************************************************************
16* Defined Constants And Macros *
17*******************************************************************************/
18#define INCL_REXXSAA
19#define INCL_DOSERRORS
20
21#undef DEBUGOUT
22
23/*******************************************************************************
24* Internal Functions *
25*******************************************************************************/
26#include <os2.h>
27#include <rexxsaa.h>
28
29#include <stdio.h>
30#include <string.h>
31/*#include <malloc.h> */
32
33/**
34 * Main function.
35 * @returns Return code from RexxStart.
36 * @param argc Argument count.
37 * @param argv Argument vector.
38 * All options ('/' or '-' prefixed words) before the
39 * REXX script name is ignored currently.
40 * The arguments after the rexx script name are passed
41 * ont to the rexx script.
42 * @sketch
43 * @status
44 * @author knut st. osmundsen (knut.stange.osmundsen@pmsc.no)
45 * @remark
46 */
47int main(int argc, char **argv)
48{
49 static char achArgs[4096]; /* Buffer for arguments. */
50 RXSTRING rxstrArgs; /* Rexx arguments - one string. */
51 int cArgs; /* Number of rexx arguments. */
52 SHORT sRexxRc; /* Rexx command return code (converted string). */
53 RXSTRING rxstrRexxRc; /* Rexx command return code string. */
54 int iScriptName; /* Argument index of the script name. */
55 int argi; /* Argument index loop variable. */
56 APIRET rc; /* Return code from RexxStart. */
57 ULONG ul; /* Dummy used by DosWrite. */
58
59 /*
60 * Find Rexx script filename.
61 */
62 iScriptName = 1;
63 while (iScriptName < argc
64 && argv[iScriptName][0] == '/'
65 && argv[iScriptName][0] == '-'
66 )
67 iScriptName++;
68
69 /*
70 * Did we find it?
71 */
72 if (iScriptName >= argc)
73 {
74 DosWrite(2, "Invalid parameters, script filename is missing.\r\n", 47, &ul);
75 return -10000;
76 }
77
78 /*
79 * Create the rexx script arguments.
80 */
81 argi = iScriptName + 1;
82 if (argi < argc)
83 {
84 char *psz = &achArgs[0];
85
86 while (argi < argc)
87 {
88 int cch = strlen(argv[argi]);
89 memcpy(psz, argv[argi], cch);
90 psz += cch;
91 *psz++ = ' ';
92 argi++;
93 }
94 *--psz = '\0';
95 cArgs = 1;
96 MAKERXSTRING(rxstrArgs, &achArgs[0], (int)psz - (int)&achArgs[0]);
97 }
98 else
99 { /* no arguments */
100 cArgs = 0;
101 MAKERXSTRING(rxstrArgs, NULL, 0);
102 }
103
104
105 /*
106 * Initiate return string.
107 */
108 MAKERXSTRING(rxstrRexxRc, NULL, 0);
109
110 /*
111 * Call RexxStart
112 */
113 rc = RexxStart(cArgs, /* Number of arguments. */
114 &rxstrArgs, /* Pointer to argument array. */
115 argv[iScriptName], /* Name of REXX script. */
116 NULL, /* Pointer ot INSTORE? Not used. */
117 "HMM", /* Hmm? Command env. name */
118 RXCOMMAND, /* Program called as Command */
119 NULL, /*??*/ /* EXIT... fixme */
120 &sRexxRc, /* Rexx program return code. */
121 &rxstrRexxRc); /* Rexx program return string. */
122
123 /*
124 * Debug display result.
125 */
126 #ifdef DEBUGOUT
127 printf(
128 "Interpreter rc: %d\n"
129 "Function rc: %d\n"
130 "Return string: '%s'\n",
131 rc,
132 sRexxRc,
133 rxstrRexxRc.strptr);
134 #endif
135
136 DosFreeMem(rxstrRexxRc.strptr); /* Release storage from RexxStart. */
137
138 if (rc == NO_ERROR)
139 return sRexxRc;
140 return -10002;
141}
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