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1.1 snw 1: /*
2: * *
3: * * *
4: * * *
5: * ***************
6: * * * * *
7: * * MUMPS *
8: * * * * *
9: * ***************
10: * * *
11: * * *
12: * *
13: *
14: * cmd_tstart.c
15: * Implementation of the TSTART command
16: *
17: *
18: * Author: Serena Willis <jpw@coherent-logic.com>
19: * Copyright (C) 1998 MUG Deutschland
20: * Copyright (C) 2023 Coherent Logic Development LLC
21: *
22: *
23: * This file is part of FreeM.
24: *
25: * FreeM is free software: you can redistribute it and/or modify
26: * it under the terms of the GNU Affero Public License as published by
27: * the Free Software Foundation, either version 3 of the License, or
28: * (at your option) any later version.
29: *
30: * FreeM is distributed in the hope that it will be useful,
31: * but WITHOUT ANY WARRANTY; without even the implied warranty of
32: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
33: * GNU Affero Public License for more details.
34: *
35: * You should have received a copy of the GNU Affero Public License
36: * along with FreeM. If not, see <https://www.gnu.org/licenses/>.
37: *
38: **/
39:
40: #include <string.h>
41: #include <stdlib.h>
42: #include <ctype.h>
43: #include "mpsdef.h"
44: #include "mcommand.h"
45: #include "consttbl.h"
46: #include "transact.h"
47:
48: MRESULT cmd_tstart(MACTION *ra)
49: {
50: register char ch;
51: short serial = FALSE;
52: short restartable = FALSE;
53: char tran_ident[50];
54: char tre_offset[50];
55: short parct = 0;
56:
57: if ((rtn_dialect () != D_M95) &&
58: (rtn_dialect () != D_MDS) &&
59: (rtn_dialect () != D_M5) &&
60: (rtn_dialect () != D_FREEM)) {
61: return NOSTAND;
62: }
63:
64: uuid_v4 (tran_ident);
65:
66: if (((ch = *codptr) == SP) || ch == EOL) {
67:
68: serial = FALSE;
69: restartable = FALSE;
70:
71: goto exec_tstart;
72:
73: }
74:
75: restartable = TRUE;
76: getraddress (tre_offset, nstx);
77:
78: //printf ("tre_offset = '%s'\r\n", tre_offset);
79:
80: if (ch == ':') {
81: restartable = FALSE;
82: goto tstart_param;
83: }
84: else if (ch == '(') {
85: ch = *codptr++;
86:
87: if (ch == ')') goto tstart_param;
88: }
89: else if (ch == '*') {
90: printf ("all varnames\r\n");
91: }
92: else if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) {
93: printf ("one varname\r\n");
94: }
95:
96:
97: tstart_param:
98:
99: codptr++;
100: ch = *codptr;
101:
102: switch (ch) {
103:
104: case ':':
105: goto tstart_param;
106:
107: case 's':
108: case 'S':
109:
110: expr (NAME);
111: if (merr ()) return merr ();
112:
113: stcnv_m2c (varnam);
114: {
115: int stct;
116: for (stct = 0; stct < strlen (varnam); stct++) {
117: varnam[stct] = toupper (varnam[stct]);
118: }
119: }
120:
121: if ((strcmp (varnam, "S") == 0) ||
122: (strcmp (varnam, "SERIAL") == 0)) {
123: serial = TRUE;
124: }
125: else {
126: return SYNTERR;
127: }
128:
129: goto tstart_param;
130:
131: case 't':
132: case 'T':
133:
134: expr (NAME);
135: if (merr ()) return merr ();
136:
137: stcnv_m2c (varnam);
138: {
139: int stct;
140: for (stct = 0; stct < strlen (varnam); stct++) {
141: varnam[stct] = toupper (varnam[stct]);
142: }
143: }
144:
145: if ((strcmp (varnam, "T") == 0) ||
146: (strcmp (varnam, "TRANSACTIONID") == 0)) {
147:
148: codptr++;
149:
150: if ((ch = *codptr) != '=') {
151: return ASSIGNER;
152: }
153:
154: codptr++;
155:
156: expr (STRING);
157: if (merr () == BRAER) merr_clear ();
158: if (merr () > OK) {
159: return merr ();
160: }
161:
162: stcnv_m2c (argptr);
163: strcpy (tran_ident, argptr);
164:
165: codptr--;
166:
167: goto tstart_param;
168:
169: }
170: break;
171:
172: case '(':
173:
174: parct++;
175:
176: if (parct > 1) {
177: return SYNTERR;
178: }
179:
180: goto tstart_param;
181:
182: break;
183:
184: case ')':
185:
186: parct--;
187:
188: if (parct < 0) {
189: return SYNTERR;
190: }
191:
192: goto exec_tstart;
193:
194: case SP:
195: case EOL:
196:
197: if (parct > 0) {
198: return BRAER;
199: }
200:
201: goto exec_tstart;
202:
203: default:
204:
205: return SYNTERR;
206:
207: }
208:
209:
210: exec_tstart:
211: tp_tstart (tran_ident, serial, restartable, NULL);
212:
213: while ((ch = *(codptr++)) != SP && ch != EOL) ; /* skip to the end of the command */
214: *ra = RA_NEXTCMND;
215: return OK;
216: }