source: trunk/tools/impdef/ImpDef.cpp@ 842

Last change on this file since 842 was 842, checked in by bird, 26 years ago

Typo EXPORT > EXPORTS in output file.
File size: 10.7 KB
Line 
1/* $Id: ImpDef.cpp,v 1.2 1999-09-05 22:10:26 bird Exp $ */
2/*
3 * ImpDef - Create export file which use internal names and ordinals.
4 *
5 * Copyright (c) 1999 knut st. osmundsen
6 *
7 */
8
9/*******************************************************************************
10* Header Files *
11*******************************************************************************/
12#include <os2.h>
13#include <stdio.h>
14#include <string.h>
15#include "ImpDef.h"
16#include "kFileFormatBase.h"
17#include "kFileDef.h"
18
19
20/*******************************************************************************
21* Internal Functions *
22*******************************************************************************/
23static void syntax(void);
24static long processFile(const char *pszInput, const char *pszOutput, const POPTIONS pOptions);
25static char *generateExportName(const PEXPORTENTRY pExport, char *pszBuffer, const POPTIONS pOptions);
26
27
28/**
29 * Main function.
30 * @returns 0 on success.
31 * @param argc Number of arguments
32 * @param argv Array of arguments
33 */
34int main(int argc, char **argv)
35{
36 int argi;
37 BOOL fFatal = FALSE;
38 long lRc = 0;
39 char *pszInput = NULL;
40 char *pszOutput = NULL;
41 OPTIONS options = {TRUE, FALSE};
42
43 /**************************************************************************
44 * parse arguments.
45 * options: -h or -? help
46 * -S<[+]|-> Similar to exported. (stdcall)
47 * -O<[+]|-> Remove OS2 prefix on APIs.
48 **************************************************************************/
49 if (argc == 1)
50 syntax();
51 argi = 1;
52 while (argi < argc && !fFatal)
53 {
54 if(argv[argi][0] == '-' || argv[argi][0] == '/')
55 {
56 switch (argv[argi][1])
57 {
58 case 's':
59 case 'S':
60 options.fSimilarToExported = argv[argi][2] != '-';
61 break;
62
63 case 'o':
64 case 'O':
65 options.fRemoveOS2APIPrefix = argv[argi][2] != '-';
66 break;
67
68 case '?':
69 case 'h':
70 case 'H':
71 syntax();
72 return 0;
73
74 default:
75 fprintf(stderr, "incorrect parameter. (argi=%d, argv[argi]=%s)\n", argi, argv[argi]);
76 fFatal = TRUE;
77 break;
78 }
79 }
80 else
81 {
82 if (pszInput == NULL)
83 pszInput = argv[argi];
84 else if (pszOutput == NULL)
85 pszOutput = argv[argi];
86 else
87 {
88 fprintf(stderr, "To many files are specified!\n");
89 fFatal = TRUE;
90 }
91 }
92 argi++;
93 }
94
95 if (pszInput == NULL)
96 {
97 fFatal = TRUE;
98 fprintf(stderr, "Missing input file.\n");
99 }
100 else if (pszOutput == NULL)
101 {
102 fFatal = TRUE;
103 fprintf(stderr, "Missing output file.\n");
104 }
105
106 if (!fFatal)
107 lRc = processFile(pszInput, pszOutput, &options);
108 else
109 lRc = -1;
110
111 return (int)lRc;
112}
113
114
115/**
116 * Print syntax/help message.
117 */
118static void syntax(void)
119{
120 printf("\n"
121 "ImpDef - Creates internal import definition file\n"
122 "------------------------------------------------\n"
123 "syntax: ImpDef.exe [-h|-?] [-S] <infile> <outfile>\n"
124 " -h or -? Syntax help. (this)\n"
125 " -O<[+]|-> Remove OS2 prefix on APIs. default: O-\n"
126 " -S<[+]|-> Similar to exported name. default: S+\n"
127 " infile Name of input file\n"
128 " outfile Name of output file\n"
129 "\n"
130 "Notes:\n"
131 " -S+ only works on stdcall functions (having '@' in the internal name).\n"
132 " -S+ takes the '_' and the '@..' parts from the internal name and adds it\n"
133 " to the exported name. This way the OS2 prefix is removed.\n"
134 " -O+ has no effect on stdcall functions when -S+ is set. -S+ has higher\n"
135 " precedence than -O+.\n"
136 " -O+ only removes the OS2 prefix from internal names.\n"
137 );
138}
139
140
141/**
142 *
143 * @returns 0 on success, error code on error.
144 * @param pszInput Input filename.
145 * @param pszOuput Output filename.
146 * @param pOptions Pointer to options struct.
147 * @sketch Open input file
148 * try create a kFileDef object from inputfile.
149 * Open output file.
150 * Generate output file.
151 * @remark
152 */
153static long processFile(const char *pszInput, const char *pszOutput, const POPTIONS pOptions)
154{
155 FILE *phInput;
156 FILE *phOutput;
157 long lRc = 0;
158
159 phInput = fopen(pszInput, "rb");
160 if (phInput != NULL)
161 {
162 try
163 {
164 kFileDef DefFile(phInput);
165 phOutput = fopen(pszOutput, "w");
166 if (phOutput != NULL)
167 {
168 EXPORTENTRY export;
169
170 /* generate LIBRARY line */
171 fputs(";Internal export definition file - autogenerated by ImpDef.", phOutput);
172 fputc('\n', phOutput);
173 fputs(DefFile.queryType(), phOutput);
174 fputc('\n', phOutput);
175 if (DefFile.queryDescription())
176 {
177 fputs(DefFile.queryDescription(), phOutput);
178 fputc('\n', phOutput);
179 }
180 if (DefFile.findFirstExport(&export))
181 {
182 fputs("EXPORTS\n", phOutput);
183 do
184 {
185 char szName[MAXEXPORTNAME];
186 const char *pszName;
187
188 /* validate export struct */
189 if (export.achName[0] == '\0')
190 {
191 fprintf(stderr, "Warning export name is missing.\n");
192 fprintf(stderr, "info:\texport.achIntName=%s\n\texport.achName=%s\n\texport.ulOrdinal=%ld\n", export.achIntName, export.achName, export.ulOrdinal);
193 continue;
194 }
195 if (export.ulOrdinal == ~0UL)
196 {
197 fprintf(stderr, "warning: export is missing ordinal value. Export is ignored\n");
198 fprintf(stderr, "info:\texport.achIntName=%s\n\texport.achName=%s\n\texport.ulOrdinal=%ld\n", export.achIntName, export.achName, export.ulOrdinal);
199 continue;
200 }
201
202 /* real work */
203 if (pOptions->fSimilarToExported || pOptions->fRemoveOS2APIPrefix)
204 pszName = generateExportName(&export, &szName[0], pOptions);
205 else if (export.achIntName[0] != '\0')
206 pszName = &export.achIntName[0];
207 else if (export.achName[0] != '\0')
208 pszName = &export.achName[0];
209
210 fprintf(phOutput, " %-*s @%ld\n", 40, pszName, export.ulOrdinal);
211 } while (DefFile.findNextExport(&export));
212 }
213 fclose(phOutput);
214 }
215 else
216 {
217 fprintf(stderr, "error creating output file, '%s'\n", pszOutput);
218 lRc = -4;
219 }
220 }
221 catch (int errorcode)
222 {
223 fprintf(stderr, "%s is not a valid def file, errorcode 0x%x\n", pszInput, errorcode);
224 lRc = -3;
225 }
226 fclose(phInput);
227 }
228 else
229 {
230 fprintf(stderr, "error openining inputfile, '%s'\n", pszInput);
231 lRc = -2;
232 }
233
234 return lRc;
235}
236
237
238/**
239 * Generate export names according to options defines.
240 * fSimilarToExported only applies to stdcall functions.
241 * fRemoveOS2APIPrefix only applies to APIs.
242 * fRemoveOS2APIPrefix have no effect on stdcall functions when fSimilarToExported is set.
243 * fRemoveOS2APIPrefix only applies to the internal names.
244 * @returns Pointer to buffer.
245 * @param pExport Export entry.
246 * @param pszBuffer Pointer to a string buffer which the result is returned in.
247 * @param pOptions Pointer to options-struct.
248 * @precond The export data (pExport) is valiaded.
249 * @sketch write only code... but it works (I hope).
250 * @remark
251 */
252static char *generateExportName(const PEXPORTENTRY pExport, char *pszBuffer, const POPTIONS pOptions)
253{
254 if (pOptions->fSimilarToExported)
255 {
256 if (pExport->achIntName[0] != '\0')
257 {
258 char *pszAt = strchr(&pExport->achIntName[0], '@');
259 if (pszAt != NULL && pExport->achIntName[0] == '_' && pExport->achName[0] != '"')
260 { /* stdcall - merge */
261 strcpy(pszBuffer, "_");
262 /* test for "reserved" definition file names (like HeapSize) in original def-file. */
263 if (pExport->achName[0] != '"')
264 strcat(pszBuffer, &pExport->achName[0]);
265 else
266 {
267 strcat(pszBuffer, &pExport->achName[1]);
268 pszBuffer[strlen(pszBuffer)-1] = '\0'; //remove tail '"'
269 }
270
271 strcat(pszBuffer, pszAt);
272 }
273 else
274 { /* not a stdcall - no merge but check for OS2prefix */
275 if (pOptions->fRemoveOS2APIPrefix && pExport->ulOrdinal < ORD_START_INTERNAL_FUNCTIONS)
276 {
277 int i = 0;
278 char *psz = pszBuffer;
279 if (pExport->achIntName[i] == '_')
280 *psz++ = pExport->achIntName[i++];
281 if (strncmp(&pExport->achIntName[i], "OS2", 3) == 0)
282 i += 3;
283 strcpy(psz, &pExport->achIntName[i]);
284 }
285 else
286 strcpy(pszBuffer, &pExport->achIntName[0]);
287 }
288 }
289 else
290 strcpy(pszBuffer, &pExport->achName[0]);
291 }
292 else if (pOptions->fRemoveOS2APIPrefix && pExport->ulOrdinal < ORD_START_INTERNAL_FUNCTIONS)
293 { /* removes OS2 prefix */
294 if (pExport->achIntName[0] != '\0')
295 {
296 int i = 0;
297 char *psz = pszBuffer;
298 if (pExport->achIntName[i] == '_')
299 *psz++ = pExport->achIntName[i++];
300 if (strncmp(&pExport->achIntName[i], "OS2", 3) == 0)
301 i += 3;
302 strcpy(psz, &pExport->achIntName[i]);
303 }
304 else
305 strcpy(pszBuffer, &pExport->achName[0]);
306 }
307 else
308 if (pExport->achIntName[0] != '\0')
309 strcpy(pszBuffer, &pExport->achIntName[0]);
310 else
311 strcpy(pszBuffer, &pExport->achName[0]);
312
313 return pszBuffer;
314}
315
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