aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/ansi2knr.c
diff options
context:
space:
mode:
authorDavid Walter Seikel2013-01-13 18:54:10 +1000
committerDavid Walter Seikel2013-01-13 18:54:10 +1000
commit959831f4ef5a3e797f576c3de08cd65032c997ad (patch)
treee7351908be5995f0b325b2ebeaa02d5a34b82583 /libraries/irrlicht-1.8/source/Irrlicht/jpeglib/ansi2knr.c
parentAdd info about changes to Irrlicht. (diff)
downloadSledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.zip
SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.gz
SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.bz2
SledjHamr-959831f4ef5a3e797f576c3de08cd65032c997ad.tar.xz
Remove damned ancient DOS line endings from Irrlicht. Hopefully I did not go overboard.
Diffstat (limited to 'libraries/irrlicht-1.8/source/Irrlicht/jpeglib/ansi2knr.c')
-rw-r--r--libraries/irrlicht-1.8/source/Irrlicht/jpeglib/ansi2knr.c1478
1 files changed, 739 insertions, 739 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/ansi2knr.c b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/ansi2knr.c
index cfcb4da..e84c210 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/ansi2knr.c
+++ b/libraries/irrlicht-1.8/source/Irrlicht/jpeglib/ansi2knr.c
@@ -1,739 +1,739 @@
1/* Copyright (C) 1989, 2000 Aladdin Enterprises. All rights reserved. */ 1/* Copyright (C) 1989, 2000 Aladdin Enterprises. All rights reserved. */
2 2
3/*$Id: ansi2knr.c,v 1.14 2003/09/06 05:36:56 eggert Exp $*/ 3/*$Id: ansi2knr.c,v 1.14 2003/09/06 05:36:56 eggert Exp $*/
4/* Convert ANSI C function definitions to K&R ("traditional C") syntax */ 4/* Convert ANSI C function definitions to K&R ("traditional C") syntax */
5 5
6/* 6/*
7ansi2knr is distributed in the hope that it will be useful, but WITHOUT ANY 7ansi2knr is distributed in the hope that it will be useful, but WITHOUT ANY
8WARRANTY. No author or distributor accepts responsibility to anyone for the 8WARRANTY. No author or distributor accepts responsibility to anyone for the
9consequences of using it or for whether it serves any particular purpose or 9consequences of using it or for whether it serves any particular purpose or
10works at all, unless he says so in writing. Refer to the GNU General Public 10works at all, unless he says so in writing. Refer to the GNU General Public
11License (the "GPL") for full details. 11License (the "GPL") for full details.
12 12
13Everyone is granted permission to copy, modify and redistribute ansi2knr, 13Everyone is granted permission to copy, modify and redistribute ansi2knr,
14but only under the conditions described in the GPL. A copy of this license 14but only under the conditions described in the GPL. A copy of this license
15is supposed to have been given to you along with ansi2knr so you can know 15is supposed to have been given to you along with ansi2knr so you can know
16your rights and responsibilities. It should be in a file named COPYLEFT, 16your rights and responsibilities. It should be in a file named COPYLEFT,
17or, if there is no file named COPYLEFT, a file named COPYING. Among other 17or, if there is no file named COPYLEFT, a file named COPYING. Among other
18things, the copyright notice and this notice must be preserved on all 18things, the copyright notice and this notice must be preserved on all
19copies. 19copies.
20 20
21We explicitly state here what we believe is already implied by the GPL: if 21We explicitly state here what we believe is already implied by the GPL: if
22the ansi2knr program is distributed as a separate set of sources and a 22the ansi2knr program is distributed as a separate set of sources and a
23separate executable file which are aggregated on a storage medium together 23separate executable file which are aggregated on a storage medium together
24with another program, this in itself does not bring the other program under 24with another program, this in itself does not bring the other program under
25the GPL, nor does the mere fact that such a program or the procedures for 25the GPL, nor does the mere fact that such a program or the procedures for
26constructing it invoke the ansi2knr executable bring any other part of the 26constructing it invoke the ansi2knr executable bring any other part of the
27program under the GPL. 27program under the GPL.
28*/ 28*/
29 29
30/* 30/*
31 * Usage: 31 * Usage:
32 ansi2knr [--filename FILENAME] [INPUT_FILE [OUTPUT_FILE]] 32 ansi2knr [--filename FILENAME] [INPUT_FILE [OUTPUT_FILE]]
33 * --filename provides the file name for the #line directive in the output, 33 * --filename provides the file name for the #line directive in the output,
34 * overriding input_file (if present). 34 * overriding input_file (if present).
35 * If no input_file is supplied, input is read from stdin. 35 * If no input_file is supplied, input is read from stdin.
36 * If no output_file is supplied, output goes to stdout. 36 * If no output_file is supplied, output goes to stdout.
37 * There are no error messages. 37 * There are no error messages.
38 * 38 *
39 * ansi2knr recognizes function definitions by seeing a non-keyword 39 * ansi2knr recognizes function definitions by seeing a non-keyword
40 * identifier at the left margin, followed by a left parenthesis, with a 40 * identifier at the left margin, followed by a left parenthesis, with a
41 * right parenthesis as the last character on the line, and with a left 41 * right parenthesis as the last character on the line, and with a left
42 * brace as the first token on the following line (ignoring possible 42 * brace as the first token on the following line (ignoring possible
43 * intervening comments and/or preprocessor directives), except that a line 43 * intervening comments and/or preprocessor directives), except that a line
44 * consisting of only 44 * consisting of only
45 * identifier1(identifier2) 45 * identifier1(identifier2)
46 * will not be considered a function definition unless identifier2 is 46 * will not be considered a function definition unless identifier2 is
47 * the word "void", and a line consisting of 47 * the word "void", and a line consisting of
48 * identifier1(identifier2, <<arbitrary>>) 48 * identifier1(identifier2, <<arbitrary>>)
49 * will not be considered a function definition. 49 * will not be considered a function definition.
50 * ansi2knr will recognize a multi-line header provided that no intervening 50 * ansi2knr will recognize a multi-line header provided that no intervening
51 * line ends with a left or right brace or a semicolon. These algorithms 51 * line ends with a left or right brace or a semicolon. These algorithms
52 * ignore whitespace, comments, and preprocessor directives, except that 52 * ignore whitespace, comments, and preprocessor directives, except that
53 * the function name must be the first thing on the line. The following 53 * the function name must be the first thing on the line. The following
54 * constructs will confuse it: 54 * constructs will confuse it:
55 * - Any other construct that starts at the left margin and 55 * - Any other construct that starts at the left margin and
56 * follows the above syntax (such as a macro or function call). 56 * follows the above syntax (such as a macro or function call).
57 * - Some macros that tinker with the syntax of function headers. 57 * - Some macros that tinker with the syntax of function headers.
58 */ 58 */
59 59
60/* 60/*
61 * The original and principal author of ansi2knr is L. Peter Deutsch 61 * The original and principal author of ansi2knr is L. Peter Deutsch
62 * <ghost@aladdin.com>. Other authors are noted in the change history 62 * <ghost@aladdin.com>. Other authors are noted in the change history
63 * that follows (in reverse chronological order): 63 * that follows (in reverse chronological order):
64 64
65 lpd 2000-04-12 backs out Eggert's changes because of bugs: 65 lpd 2000-04-12 backs out Eggert's changes because of bugs:
66 - concatlits didn't declare the type of its bufend argument; 66 - concatlits didn't declare the type of its bufend argument;
67 - concatlits didn't recognize when it was inside a comment; 67 - concatlits didn't recognize when it was inside a comment;
68 - scanstring could scan backward past the beginning of the string; when 68 - scanstring could scan backward past the beginning of the string; when
69 - the check for \ + newline in scanstring was unnecessary. 69 - the check for \ + newline in scanstring was unnecessary.
70 70
71 2000-03-05 Paul Eggert <eggert@twinsun.com> 71 2000-03-05 Paul Eggert <eggert@twinsun.com>
72 72
73 Add support for concatenated string literals. 73 Add support for concatenated string literals.
74 * ansi2knr.c (concatlits): New decl. 74 * ansi2knr.c (concatlits): New decl.
75 (main): Invoke concatlits to concatenate string literals. 75 (main): Invoke concatlits to concatenate string literals.
76 (scanstring): Handle backslash-newline correctly. Work with 76 (scanstring): Handle backslash-newline correctly. Work with
77 character constants. Fix bug when scanning backwards through 77 character constants. Fix bug when scanning backwards through
78 backslash-quote. Check for unterminated strings. 78 backslash-quote. Check for unterminated strings.
79 (convert1): Parse character constants, too. 79 (convert1): Parse character constants, too.
80 (appendline, concatlits): New functions. 80 (appendline, concatlits): New functions.
81 * ansi2knr.1: Document this. 81 * ansi2knr.1: Document this.
82 82
83 lpd 1999-08-17 added code to allow preprocessor directives 83 lpd 1999-08-17 added code to allow preprocessor directives
84 wherever comments are allowed 84 wherever comments are allowed
85 lpd 1999-04-12 added minor fixes from Pavel Roskin 85 lpd 1999-04-12 added minor fixes from Pavel Roskin
86 <pavel_roskin@geocities.com> for clean compilation with 86 <pavel_roskin@geocities.com> for clean compilation with
87 gcc -W -Wall 87 gcc -W -Wall
88 lpd 1999-03-22 added hack to recognize lines consisting of 88 lpd 1999-03-22 added hack to recognize lines consisting of
89 identifier1(identifier2, xxx) as *not* being procedures 89 identifier1(identifier2, xxx) as *not* being procedures
90 lpd 1999-02-03 made indentation of preprocessor commands consistent 90 lpd 1999-02-03 made indentation of preprocessor commands consistent
91 lpd 1999-01-28 fixed two bugs: a '/' in an argument list caused an 91 lpd 1999-01-28 fixed two bugs: a '/' in an argument list caused an
92 endless loop; quoted strings within an argument list 92 endless loop; quoted strings within an argument list
93 confused the parser 93 confused the parser
94 lpd 1999-01-24 added a check for write errors on the output, 94 lpd 1999-01-24 added a check for write errors on the output,
95 suggested by Jim Meyering <meyering@ascend.com> 95 suggested by Jim Meyering <meyering@ascend.com>
96 lpd 1998-11-09 added further hack to recognize identifier(void) 96 lpd 1998-11-09 added further hack to recognize identifier(void)
97 as being a procedure 97 as being a procedure
98 lpd 1998-10-23 added hack to recognize lines consisting of 98 lpd 1998-10-23 added hack to recognize lines consisting of
99 identifier1(identifier2) as *not* being procedures 99 identifier1(identifier2) as *not* being procedures
100 lpd 1997-12-08 made input_file optional; only closes input and/or 100 lpd 1997-12-08 made input_file optional; only closes input and/or
101 output file if not stdin or stdout respectively; prints 101 output file if not stdin or stdout respectively; prints
102 usage message on stderr rather than stdout; adds 102 usage message on stderr rather than stdout; adds
103 --filename switch (changes suggested by 103 --filename switch (changes suggested by
104 <ceder@lysator.liu.se>) 104 <ceder@lysator.liu.se>)
105 lpd 1996-01-21 added code to cope with not HAVE_CONFIG_H and with 105 lpd 1996-01-21 added code to cope with not HAVE_CONFIG_H and with
106 compilers that don't understand void, as suggested by 106 compilers that don't understand void, as suggested by
107 Tom Lane 107 Tom Lane
108 lpd 1996-01-15 changed to require that the first non-comment token 108 lpd 1996-01-15 changed to require that the first non-comment token
109 on the line following a function header be a left brace, 109 on the line following a function header be a left brace,
110 to reduce sensitivity to macros, as suggested by Tom Lane 110 to reduce sensitivity to macros, as suggested by Tom Lane
111 <tgl@sss.pgh.pa.us> 111 <tgl@sss.pgh.pa.us>
112 lpd 1995-06-22 removed #ifndefs whose sole purpose was to define 112 lpd 1995-06-22 removed #ifndefs whose sole purpose was to define
113 undefined preprocessor symbols as 0; changed all #ifdefs 113 undefined preprocessor symbols as 0; changed all #ifdefs
114 for configuration symbols to #ifs 114 for configuration symbols to #ifs
115 lpd 1995-04-05 changed copyright notice to make it clear that 115 lpd 1995-04-05 changed copyright notice to make it clear that
116 including ansi2knr in a program does not bring the entire 116 including ansi2knr in a program does not bring the entire
117 program under the GPL 117 program under the GPL
118 lpd 1994-12-18 added conditionals for systems where ctype macros 118 lpd 1994-12-18 added conditionals for systems where ctype macros
119 don't handle 8-bit characters properly, suggested by 119 don't handle 8-bit characters properly, suggested by
120 Francois Pinard <pinard@iro.umontreal.ca>; 120 Francois Pinard <pinard@iro.umontreal.ca>;
121 removed --varargs switch (this is now the default) 121 removed --varargs switch (this is now the default)
122 lpd 1994-10-10 removed CONFIG_BROKETS conditional 122 lpd 1994-10-10 removed CONFIG_BROKETS conditional
123 lpd 1994-07-16 added some conditionals to help GNU `configure', 123 lpd 1994-07-16 added some conditionals to help GNU `configure',
124 suggested by Francois Pinard <pinard@iro.umontreal.ca>; 124 suggested by Francois Pinard <pinard@iro.umontreal.ca>;
125 properly erase prototype args in function parameters, 125 properly erase prototype args in function parameters,
126 contributed by Jim Avera <jima@netcom.com>; 126 contributed by Jim Avera <jima@netcom.com>;
127 correct error in writeblanks (it shouldn't erase EOLs) 127 correct error in writeblanks (it shouldn't erase EOLs)
128 lpd 1989-xx-xx original version 128 lpd 1989-xx-xx original version
129 */ 129 */
130 130
131/* Most of the conditionals here are to make ansi2knr work with */ 131/* Most of the conditionals here are to make ansi2knr work with */
132/* or without the GNU configure machinery. */ 132/* or without the GNU configure machinery. */
133 133
134#if HAVE_CONFIG_H 134#if HAVE_CONFIG_H
135# include <config.h> 135# include <config.h>
136#endif 136#endif
137 137
138#include <stdio.h> 138#include <stdio.h>
139#include <ctype.h> 139#include <ctype.h>
140 140
141#if HAVE_CONFIG_H 141#if HAVE_CONFIG_H
142 142
143/* 143/*
144 For properly autoconfiguring ansi2knr, use AC_CONFIG_HEADER(config.h). 144 For properly autoconfiguring ansi2knr, use AC_CONFIG_HEADER(config.h).
145 This will define HAVE_CONFIG_H and so, activate the following lines. 145 This will define HAVE_CONFIG_H and so, activate the following lines.
146 */ 146 */
147 147
148# if STDC_HEADERS || HAVE_STRING_H 148# if STDC_HEADERS || HAVE_STRING_H
149# include <string.h> 149# include <string.h>
150# else 150# else
151# include <strings.h> 151# include <strings.h>
152# endif 152# endif
153 153
154#else /* not HAVE_CONFIG_H */ 154#else /* not HAVE_CONFIG_H */
155 155
156/* Otherwise do it the hard way */ 156/* Otherwise do it the hard way */
157 157
158# ifdef BSD 158# ifdef BSD
159# include <strings.h> 159# include <strings.h>
160# else 160# else
161# ifdef VMS 161# ifdef VMS
162 extern int strlen(), strncmp(); 162 extern int strlen(), strncmp();
163# else 163# else
164# include <string.h> 164# include <string.h>
165# endif 165# endif
166# endif 166# endif
167 167
168#endif /* not HAVE_CONFIG_H */ 168#endif /* not HAVE_CONFIG_H */
169 169
170#if STDC_HEADERS 170#if STDC_HEADERS
171# include <stdlib.h> 171# include <stdlib.h>
172#else 172#else
173/* 173/*
174 malloc and free should be declared in stdlib.h, 174 malloc and free should be declared in stdlib.h,
175 but if you've got a K&R compiler, they probably aren't. 175 but if you've got a K&R compiler, they probably aren't.
176 */ 176 */
177# ifdef MSDOS 177# ifdef MSDOS
178# include <malloc.h> 178# include <malloc.h>
179# else 179# else
180# ifdef VMS 180# ifdef VMS
181 extern char *malloc(); 181 extern char *malloc();
182 extern void free(); 182 extern void free();
183# else 183# else
184 extern char *malloc(); 184 extern char *malloc();
185 extern int free(); 185 extern int free();
186# endif 186# endif
187# endif 187# endif
188 188
189#endif 189#endif
190 190
191/* Define NULL (for *very* old compilers). */ 191/* Define NULL (for *very* old compilers). */
192#ifndef NULL 192#ifndef NULL
193# define NULL (0) 193# define NULL (0)
194#endif 194#endif
195 195
196/* 196/*
197 * The ctype macros don't always handle 8-bit characters correctly. 197 * The ctype macros don't always handle 8-bit characters correctly.
198 * Compensate for this here. 198 * Compensate for this here.
199 */ 199 */
200#ifdef isascii 200#ifdef isascii
201# undef HAVE_ISASCII /* just in case */ 201# undef HAVE_ISASCII /* just in case */
202# define HAVE_ISASCII 1 202# define HAVE_ISASCII 1
203#else 203#else
204#endif 204#endif
205#if STDC_HEADERS || !HAVE_ISASCII 205#if STDC_HEADERS || !HAVE_ISASCII
206# define is_ascii(c) 1 206# define is_ascii(c) 1
207#else 207#else
208# define is_ascii(c) isascii(c) 208# define is_ascii(c) isascii(c)
209#endif 209#endif
210 210
211#define is_space(c) (is_ascii(c) && isspace(c)) 211#define is_space(c) (is_ascii(c) && isspace(c))
212#define is_alpha(c) (is_ascii(c) && isalpha(c)) 212#define is_alpha(c) (is_ascii(c) && isalpha(c))
213#define is_alnum(c) (is_ascii(c) && isalnum(c)) 213#define is_alnum(c) (is_ascii(c) && isalnum(c))
214 214
215/* Scanning macros */ 215/* Scanning macros */
216#define isidchar(ch) (is_alnum(ch) || (ch) == '_') 216#define isidchar(ch) (is_alnum(ch) || (ch) == '_')
217#define isidfirstchar(ch) (is_alpha(ch) || (ch) == '_') 217#define isidfirstchar(ch) (is_alpha(ch) || (ch) == '_')
218 218
219/* Forward references */ 219/* Forward references */
220char *ppdirforward(); 220char *ppdirforward();
221char *ppdirbackward(); 221char *ppdirbackward();
222char *skipspace(); 222char *skipspace();
223char *scanstring(); 223char *scanstring();
224int writeblanks(); 224int writeblanks();
225int test1(); 225int test1();
226int convert1(); 226int convert1();
227 227
228/* The main program */ 228/* The main program */
229int 229int
230main(argc, argv) 230main(argc, argv)
231 int argc; 231 int argc;
232 char *argv[]; 232 char *argv[];
233{ FILE *in = stdin; 233{ FILE *in = stdin;
234 FILE *out = stdout; 234 FILE *out = stdout;
235 char *filename = 0; 235 char *filename = 0;
236 char *program_name = argv[0]; 236 char *program_name = argv[0];
237 char *output_name = 0; 237 char *output_name = 0;
238#define bufsize 5000 /* arbitrary size */ 238#define bufsize 5000 /* arbitrary size */
239 char *buf; 239 char *buf;
240 char *line; 240 char *line;
241 char *more; 241 char *more;
242 char *usage = 242 char *usage =
243 "Usage: ansi2knr [--filename FILENAME] [INPUT_FILE [OUTPUT_FILE]]\n"; 243 "Usage: ansi2knr [--filename FILENAME] [INPUT_FILE [OUTPUT_FILE]]\n";
244 /* 244 /*
245 * In previous versions, ansi2knr recognized a --varargs switch. 245 * In previous versions, ansi2knr recognized a --varargs switch.
246 * If this switch was supplied, ansi2knr would attempt to convert 246 * If this switch was supplied, ansi2knr would attempt to convert
247 * a ... argument to va_alist and va_dcl; if this switch was not 247 * a ... argument to va_alist and va_dcl; if this switch was not
248 * supplied, ansi2knr would simply drop any such arguments. 248 * supplied, ansi2knr would simply drop any such arguments.
249 * Now, ansi2knr always does this conversion, and we only 249 * Now, ansi2knr always does this conversion, and we only
250 * check for this switch for backward compatibility. 250 * check for this switch for backward compatibility.
251 */ 251 */
252 int convert_varargs = 1; 252 int convert_varargs = 1;
253 int output_error; 253 int output_error;
254 254
255 while ( argc > 1 && argv[1][0] == '-' ) { 255 while ( argc > 1 && argv[1][0] == '-' ) {
256 if ( !strcmp(argv[1], "--varargs") ) { 256 if ( !strcmp(argv[1], "--varargs") ) {
257 convert_varargs = 1; 257 convert_varargs = 1;
258 argc--; 258 argc--;
259 argv++; 259 argv++;
260 continue; 260 continue;
261 } 261 }
262 if ( !strcmp(argv[1], "--filename") && argc > 2 ) { 262 if ( !strcmp(argv[1], "--filename") && argc > 2 ) {
263 filename = argv[2]; 263 filename = argv[2];
264 argc -= 2; 264 argc -= 2;
265 argv += 2; 265 argv += 2;
266 continue; 266 continue;
267 } 267 }
268 fprintf(stderr, "%s: Unrecognized switch: %s\n", program_name, 268 fprintf(stderr, "%s: Unrecognized switch: %s\n", program_name,
269 argv[1]); 269 argv[1]);
270 fprintf(stderr, usage); 270 fprintf(stderr, usage);
271 exit(1); 271 exit(1);
272 } 272 }
273 switch ( argc ) 273 switch ( argc )
274 { 274 {
275 default: 275 default:
276 fprintf(stderr, usage); 276 fprintf(stderr, usage);
277 exit(0); 277 exit(0);
278 case 3: 278 case 3:
279 output_name = argv[2]; 279 output_name = argv[2];
280 out = fopen(output_name, "w"); 280 out = fopen(output_name, "w");
281 if ( out == NULL ) { 281 if ( out == NULL ) {
282 fprintf(stderr, "%s: Cannot open output file %s\n", 282 fprintf(stderr, "%s: Cannot open output file %s\n",
283 program_name, output_name); 283 program_name, output_name);
284 exit(1); 284 exit(1);
285 } 285 }
286 /* falls through */ 286 /* falls through */
287 case 2: 287 case 2:
288 in = fopen(argv[1], "r"); 288 in = fopen(argv[1], "r");
289 if ( in == NULL ) { 289 if ( in == NULL ) {
290 fprintf(stderr, "%s: Cannot open input file %s\n", 290 fprintf(stderr, "%s: Cannot open input file %s\n",
291 program_name, argv[1]); 291 program_name, argv[1]);
292 exit(1); 292 exit(1);
293 } 293 }
294 if ( filename == 0 ) 294 if ( filename == 0 )
295 filename = argv[1]; 295 filename = argv[1];
296 /* falls through */ 296 /* falls through */
297 case 1: 297 case 1:
298 break; 298 break;
299 } 299 }
300 if ( filename ) 300 if ( filename )
301 fprintf(out, "#line 1 \"%s\"\n", filename); 301 fprintf(out, "#line 1 \"%s\"\n", filename);
302 buf = malloc(bufsize); 302 buf = malloc(bufsize);
303 if ( buf == NULL ) 303 if ( buf == NULL )
304 { 304 {
305 fprintf(stderr, "Unable to allocate read buffer!\n"); 305 fprintf(stderr, "Unable to allocate read buffer!\n");
306 exit(1); 306 exit(1);
307 } 307 }
308 line = buf; 308 line = buf;
309 while ( fgets(line, (unsigned)(buf + bufsize - line), in) != NULL ) 309 while ( fgets(line, (unsigned)(buf + bufsize - line), in) != NULL )
310 { 310 {
311test: line += strlen(line); 311test: line += strlen(line);
312 switch ( test1(buf) ) 312 switch ( test1(buf) )
313 { 313 {
314 case 2: /* a function header */ 314 case 2: /* a function header */
315 convert1(buf, out, 1, convert_varargs); 315 convert1(buf, out, 1, convert_varargs);
316 break; 316 break;
317 case 1: /* a function */ 317 case 1: /* a function */
318 /* Check for a { at the start of the next line. */ 318 /* Check for a { at the start of the next line. */
319 more = ++line; 319 more = ++line;
320f: if ( line >= buf + (bufsize - 1) ) /* overflow check */ 320f: if ( line >= buf + (bufsize - 1) ) /* overflow check */
321 goto wl; 321 goto wl;
322 if ( fgets(line, (unsigned)(buf + bufsize - line), in) == NULL ) 322 if ( fgets(line, (unsigned)(buf + bufsize - line), in) == NULL )
323 goto wl; 323 goto wl;
324 switch ( *skipspace(ppdirforward(more), 1) ) 324 switch ( *skipspace(ppdirforward(more), 1) )
325 { 325 {
326 case '{': 326 case '{':
327 /* Definitely a function header. */ 327 /* Definitely a function header. */
328 convert1(buf, out, 0, convert_varargs); 328 convert1(buf, out, 0, convert_varargs);
329 fputs(more, out); 329 fputs(more, out);
330 break; 330 break;
331 case 0: 331 case 0:
332 /* The next line was blank or a comment: */ 332 /* The next line was blank or a comment: */
333 /* keep scanning for a non-comment. */ 333 /* keep scanning for a non-comment. */
334 line += strlen(line); 334 line += strlen(line);
335 goto f; 335 goto f;
336 default: 336 default:
337 /* buf isn't a function header, but */ 337 /* buf isn't a function header, but */
338 /* more might be. */ 338 /* more might be. */
339 fputs(buf, out); 339 fputs(buf, out);
340 strcpy(buf, more); 340 strcpy(buf, more);
341 line = buf; 341 line = buf;
342 goto test; 342 goto test;
343 } 343 }
344 break; 344 break;
345 case -1: /* maybe the start of a function */ 345 case -1: /* maybe the start of a function */
346 if ( line != buf + (bufsize - 1) ) /* overflow check */ 346 if ( line != buf + (bufsize - 1) ) /* overflow check */
347 continue; 347 continue;
348 /* falls through */ 348 /* falls through */
349 default: /* not a function */ 349 default: /* not a function */
350wl: fputs(buf, out); 350wl: fputs(buf, out);
351 break; 351 break;
352 } 352 }
353 line = buf; 353 line = buf;
354 } 354 }
355 if ( line != buf ) 355 if ( line != buf )
356 fputs(buf, out); 356 fputs(buf, out);
357 free(buf); 357 free(buf);
358 if ( output_name ) { 358 if ( output_name ) {
359 output_error = ferror(out); 359 output_error = ferror(out);
360 output_error |= fclose(out); 360 output_error |= fclose(out);
361 } else { /* out == stdout */ 361 } else { /* out == stdout */
362 fflush(out); 362 fflush(out);
363 output_error = ferror(out); 363 output_error = ferror(out);
364 } 364 }
365 if ( output_error ) { 365 if ( output_error ) {
366 fprintf(stderr, "%s: error writing to %s\n", program_name, 366 fprintf(stderr, "%s: error writing to %s\n", program_name,
367 (output_name ? output_name : "stdout")); 367 (output_name ? output_name : "stdout"));
368 exit(1); 368 exit(1);
369 } 369 }
370 if ( in != stdin ) 370 if ( in != stdin )
371 fclose(in); 371 fclose(in);
372 return 0; 372 return 0;
373} 373}
374 374
375/* 375/*
376 * Skip forward or backward over one or more preprocessor directives. 376 * Skip forward or backward over one or more preprocessor directives.
377 */ 377 */
378char * 378char *
379ppdirforward(p) 379ppdirforward(p)
380 char *p; 380 char *p;
381{ 381{
382 for (; *p == '#'; ++p) { 382 for (; *p == '#'; ++p) {
383 for (; *p != '\r' && *p != '\n'; ++p) 383 for (; *p != '\r' && *p != '\n'; ++p)
384 if (*p == 0) 384 if (*p == 0)
385 return p; 385 return p;
386 if (*p == '\r' && p[1] == '\n') 386 if (*p == '\r' && p[1] == '\n')
387 ++p; 387 ++p;
388 } 388 }
389 return p; 389 return p;
390} 390}
391char * 391char *
392ppdirbackward(p, limit) 392ppdirbackward(p, limit)
393 char *p; 393 char *p;
394 char *limit; 394 char *limit;
395{ 395{
396 char *np = p; 396 char *np = p;
397 397
398 for (;; p = --np) { 398 for (;; p = --np) {
399 if (*np == '\n' && np[-1] == '\r') 399 if (*np == '\n' && np[-1] == '\r')
400 --np; 400 --np;
401 for (; np > limit && np[-1] != '\r' && np[-1] != '\n'; --np) 401 for (; np > limit && np[-1] != '\r' && np[-1] != '\n'; --np)
402 if (np[-1] == 0) 402 if (np[-1] == 0)
403 return np; 403 return np;
404 if (*np != '#') 404 if (*np != '#')
405 return p; 405 return p;
406 } 406 }
407} 407}
408 408
409/* 409/*
410 * Skip over whitespace, comments, and preprocessor directives, 410 * Skip over whitespace, comments, and preprocessor directives,
411 * in either direction. 411 * in either direction.
412 */ 412 */
413char * 413char *
414skipspace(p, dir) 414skipspace(p, dir)
415 char *p; 415 char *p;
416 int dir; /* 1 for forward, -1 for backward */ 416 int dir; /* 1 for forward, -1 for backward */
417{ 417{
418 for ( ; ; ) { 418 for ( ; ; ) {
419 while ( is_space(*p) ) 419 while ( is_space(*p) )
420 p += dir; 420 p += dir;
421 if ( !(*p == '/' && p[dir] == '*') ) 421 if ( !(*p == '/' && p[dir] == '*') )
422 break; 422 break;
423 p += dir; p += dir; 423 p += dir; p += dir;
424 while ( !(*p == '*' && p[dir] == '/') ) { 424 while ( !(*p == '*' && p[dir] == '/') ) {
425 if ( *p == 0 ) 425 if ( *p == 0 )
426 return p; /* multi-line comment?? */ 426 return p; /* multi-line comment?? */
427 p += dir; 427 p += dir;
428 } 428 }
429 p += dir; p += dir; 429 p += dir; p += dir;
430 } 430 }
431 return p; 431 return p;
432} 432}
433 433
434/* Scan over a quoted string, in either direction. */ 434/* Scan over a quoted string, in either direction. */
435char * 435char *
436scanstring(p, dir) 436scanstring(p, dir)
437 char *p; 437 char *p;
438 int dir; 438 int dir;
439{ 439{
440 for (p += dir; ; p += dir) 440 for (p += dir; ; p += dir)
441 if (*p == '"' && p[-dir] != '\\') 441 if (*p == '"' && p[-dir] != '\\')
442 return p + dir; 442 return p + dir;
443} 443}
444 444
445/* 445/*
446 * Write blanks over part of a string. 446 * Write blanks over part of a string.
447 * Don't overwrite end-of-line characters. 447 * Don't overwrite end-of-line characters.
448 */ 448 */
449int 449int
450writeblanks(start, end) 450writeblanks(start, end)
451 char *start; 451 char *start;
452 char *end; 452 char *end;
453{ char *p; 453{ char *p;
454 for ( p = start; p < end; p++ ) 454 for ( p = start; p < end; p++ )
455 if ( *p != '\r' && *p != '\n' ) 455 if ( *p != '\r' && *p != '\n' )
456 *p = ' '; 456 *p = ' ';
457 return 0; 457 return 0;
458} 458}
459 459
460/* 460/*
461 * Test whether the string in buf is a function definition. 461 * Test whether the string in buf is a function definition.
462 * The string may contain and/or end with a newline. 462 * The string may contain and/or end with a newline.
463 * Return as follows: 463 * Return as follows:
464 * 0 - definitely not a function definition; 464 * 0 - definitely not a function definition;
465 * 1 - definitely a function definition; 465 * 1 - definitely a function definition;
466 * 2 - definitely a function prototype (NOT USED); 466 * 2 - definitely a function prototype (NOT USED);
467 * -1 - may be the beginning of a function definition, 467 * -1 - may be the beginning of a function definition,
468 * append another line and look again. 468 * append another line and look again.
469 * The reason we don't attempt to convert function prototypes is that 469 * The reason we don't attempt to convert function prototypes is that
470 * Ghostscript's declaration-generating macros look too much like 470 * Ghostscript's declaration-generating macros look too much like
471 * prototypes, and confuse the algorithms. 471 * prototypes, and confuse the algorithms.
472 */ 472 */
473int 473int
474test1(buf) 474test1(buf)
475 char *buf; 475 char *buf;
476{ char *p = buf; 476{ char *p = buf;
477 char *bend; 477 char *bend;
478 char *endfn; 478 char *endfn;
479 int contin; 479 int contin;
480 480
481 if ( !isidfirstchar(*p) ) 481 if ( !isidfirstchar(*p) )
482 return 0; /* no name at left margin */ 482 return 0; /* no name at left margin */
483 bend = skipspace(ppdirbackward(buf + strlen(buf) - 1, buf), -1); 483 bend = skipspace(ppdirbackward(buf + strlen(buf) - 1, buf), -1);
484 switch ( *bend ) 484 switch ( *bend )
485 { 485 {
486 case ';': contin = 0 /*2*/; break; 486 case ';': contin = 0 /*2*/; break;
487 case ')': contin = 1; break; 487 case ')': contin = 1; break;
488 case '{': return 0; /* not a function */ 488 case '{': return 0; /* not a function */
489 case '}': return 0; /* not a function */ 489 case '}': return 0; /* not a function */
490 default: contin = -1; 490 default: contin = -1;
491 } 491 }
492 while ( isidchar(*p) ) 492 while ( isidchar(*p) )
493 p++; 493 p++;
494 endfn = p; 494 endfn = p;
495 p = skipspace(p, 1); 495 p = skipspace(p, 1);
496 if ( *p++ != '(' ) 496 if ( *p++ != '(' )
497 return 0; /* not a function */ 497 return 0; /* not a function */
498 p = skipspace(p, 1); 498 p = skipspace(p, 1);
499 if ( *p == ')' ) 499 if ( *p == ')' )
500 return 0; /* no parameters */ 500 return 0; /* no parameters */
501 /* Check that the apparent function name isn't a keyword. */ 501 /* Check that the apparent function name isn't a keyword. */
502 /* We only need to check for keywords that could be followed */ 502 /* We only need to check for keywords that could be followed */
503 /* by a left parenthesis (which, unfortunately, is most of them). */ 503 /* by a left parenthesis (which, unfortunately, is most of them). */
504 { static char *words[] = 504 { static char *words[] =
505 { "asm", "auto", "case", "char", "const", "double", 505 { "asm", "auto", "case", "char", "const", "double",
506 "extern", "float", "for", "if", "int", "long", 506 "extern", "float", "for", "if", "int", "long",
507 "register", "return", "short", "signed", "sizeof", 507 "register", "return", "short", "signed", "sizeof",
508 "static", "switch", "typedef", "unsigned", 508 "static", "switch", "typedef", "unsigned",
509 "void", "volatile", "while", 0 509 "void", "volatile", "while", 0
510 }; 510 };
511 char **key = words; 511 char **key = words;
512 char *kp; 512 char *kp;
513 unsigned len = endfn - buf; 513 unsigned len = endfn - buf;
514 514
515 while ( (kp = *key) != 0 ) 515 while ( (kp = *key) != 0 )
516 { if ( strlen(kp) == len && !strncmp(kp, buf, len) ) 516 { if ( strlen(kp) == len && !strncmp(kp, buf, len) )
517 return 0; /* name is a keyword */ 517 return 0; /* name is a keyword */
518 key++; 518 key++;
519 } 519 }
520 } 520 }
521 { 521 {
522 char *id = p; 522 char *id = p;
523 int len; 523 int len;
524 /* 524 /*
525 * Check for identifier1(identifier2) and not 525 * Check for identifier1(identifier2) and not
526 * identifier1(void), or identifier1(identifier2, xxxx). 526 * identifier1(void), or identifier1(identifier2, xxxx).
527 */ 527 */
528 528
529 while ( isidchar(*p) ) 529 while ( isidchar(*p) )
530 p++; 530 p++;
531 len = p - id; 531 len = p - id;
532 p = skipspace(p, 1); 532 p = skipspace(p, 1);
533 if (*p == ',' || 533 if (*p == ',' ||
534 (*p == ')' && (len != 4 || strncmp(id, "void", 4))) 534 (*p == ')' && (len != 4 || strncmp(id, "void", 4)))
535 ) 535 )
536 return 0; /* not a function */ 536 return 0; /* not a function */
537 } 537 }
538 /* 538 /*
539 * If the last significant character was a ), we need to count 539 * If the last significant character was a ), we need to count
540 * parentheses, because it might be part of a formal parameter 540 * parentheses, because it might be part of a formal parameter
541 * that is a procedure. 541 * that is a procedure.
542 */ 542 */
543 if (contin > 0) { 543 if (contin > 0) {
544 int level = 0; 544 int level = 0;
545 545
546 for (p = skipspace(buf, 1); *p; p = skipspace(p + 1, 1)) 546 for (p = skipspace(buf, 1); *p; p = skipspace(p + 1, 1))
547 level += (*p == '(' ? 1 : *p == ')' ? -1 : 0); 547 level += (*p == '(' ? 1 : *p == ')' ? -1 : 0);
548 if (level > 0) 548 if (level > 0)
549 contin = -1; 549 contin = -1;
550 } 550 }
551 return contin; 551 return contin;
552} 552}
553 553
554/* Convert a recognized function definition or header to K&R syntax. */ 554/* Convert a recognized function definition or header to K&R syntax. */
555int 555int
556convert1(buf, out, header, convert_varargs) 556convert1(buf, out, header, convert_varargs)
557 char *buf; 557 char *buf;
558 FILE *out; 558 FILE *out;
559 int header; /* Boolean */ 559 int header; /* Boolean */
560 int convert_varargs; /* Boolean */ 560 int convert_varargs; /* Boolean */
561{ char *endfn; 561{ char *endfn;
562 char *p; 562 char *p;
563 /* 563 /*
564 * The breaks table contains pointers to the beginning and end 564 * The breaks table contains pointers to the beginning and end
565 * of each argument. 565 * of each argument.
566 */ 566 */
567 char **breaks; 567 char **breaks;
568 unsigned num_breaks = 2; /* for testing */ 568 unsigned num_breaks = 2; /* for testing */
569 char **btop; 569 char **btop;
570 char **bp; 570 char **bp;
571 char **ap; 571 char **ap;
572 char *vararg = 0; 572 char *vararg = 0;
573 573
574 /* Pre-ANSI implementations don't agree on whether strchr */ 574 /* Pre-ANSI implementations don't agree on whether strchr */
575 /* is called strchr or index, so we open-code it here. */ 575 /* is called strchr or index, so we open-code it here. */
576 for ( endfn = buf; *(endfn++) != '('; ) 576 for ( endfn = buf; *(endfn++) != '('; )
577 ; 577 ;
578top: p = endfn; 578top: p = endfn;
579 breaks = (char **)malloc(sizeof(char *) * num_breaks * 2); 579 breaks = (char **)malloc(sizeof(char *) * num_breaks * 2);
580 if ( breaks == NULL ) 580 if ( breaks == NULL )
581 { /* Couldn't allocate break table, give up */ 581 { /* Couldn't allocate break table, give up */
582 fprintf(stderr, "Unable to allocate break table!\n"); 582 fprintf(stderr, "Unable to allocate break table!\n");
583 fputs(buf, out); 583 fputs(buf, out);
584 return -1; 584 return -1;
585 } 585 }
586 btop = breaks + num_breaks * 2 - 2; 586 btop = breaks + num_breaks * 2 - 2;
587 bp = breaks; 587 bp = breaks;
588 /* Parse the argument list */ 588 /* Parse the argument list */
589 do 589 do
590 { int level = 0; 590 { int level = 0;
591 char *lp = NULL; 591 char *lp = NULL;
592 char *rp = NULL; 592 char *rp = NULL;
593 char *end = NULL; 593 char *end = NULL;
594 594
595 if ( bp >= btop ) 595 if ( bp >= btop )
596 { /* Filled up break table. */ 596 { /* Filled up break table. */
597 /* Allocate a bigger one and start over. */ 597 /* Allocate a bigger one and start over. */
598 free((char *)breaks); 598 free((char *)breaks);
599 num_breaks <<= 1; 599 num_breaks <<= 1;
600 goto top; 600 goto top;
601 } 601 }
602 *bp++ = p; 602 *bp++ = p;
603 /* Find the end of the argument */ 603 /* Find the end of the argument */
604 for ( ; end == NULL; p++ ) 604 for ( ; end == NULL; p++ )
605 { switch(*p) 605 { switch(*p)
606 { 606 {
607 case ',': 607 case ',':
608 if ( !level ) end = p; 608 if ( !level ) end = p;
609 break; 609 break;
610 case '(': 610 case '(':
611 if ( !level ) lp = p; 611 if ( !level ) lp = p;
612 level++; 612 level++;
613 break; 613 break;
614 case ')': 614 case ')':
615 if ( --level < 0 ) end = p; 615 if ( --level < 0 ) end = p;
616 else rp = p; 616 else rp = p;
617 break; 617 break;
618 case '/': 618 case '/':
619 if (p[1] == '*') 619 if (p[1] == '*')
620 p = skipspace(p, 1) - 1; 620 p = skipspace(p, 1) - 1;
621 break; 621 break;
622 case '"': 622 case '"':
623 p = scanstring(p, 1) - 1; 623 p = scanstring(p, 1) - 1;
624 break; 624 break;
625 default: 625 default:
626 ; 626 ;
627 } 627 }
628 } 628 }
629 /* Erase any embedded prototype parameters. */ 629 /* Erase any embedded prototype parameters. */
630 if ( lp && rp ) 630 if ( lp && rp )
631 writeblanks(lp + 1, rp); 631 writeblanks(lp + 1, rp);
632 p--; /* back up over terminator */ 632 p--; /* back up over terminator */
633 /* Find the name being declared. */ 633 /* Find the name being declared. */
634 /* This is complicated because of procedure and */ 634 /* This is complicated because of procedure and */
635 /* array modifiers. */ 635 /* array modifiers. */
636 for ( ; ; ) 636 for ( ; ; )
637 { p = skipspace(p - 1, -1); 637 { p = skipspace(p - 1, -1);
638 switch ( *p ) 638 switch ( *p )
639 { 639 {
640 case ']': /* skip array dimension(s) */ 640 case ']': /* skip array dimension(s) */
641 case ')': /* skip procedure args OR name */ 641 case ')': /* skip procedure args OR name */
642 { int level = 1; 642 { int level = 1;
643 while ( level ) 643 while ( level )
644 switch ( *--p ) 644 switch ( *--p )
645 { 645 {
646 case ']': case ')': 646 case ']': case ')':
647 level++; 647 level++;
648 break; 648 break;
649 case '[': case '(': 649 case '[': case '(':
650 level--; 650 level--;
651 break; 651 break;
652 case '/': 652 case '/':
653 if (p > buf && p[-1] == '*') 653 if (p > buf && p[-1] == '*')
654 p = skipspace(p, -1) + 1; 654 p = skipspace(p, -1) + 1;
655 break; 655 break;
656 case '"': 656 case '"':
657 p = scanstring(p, -1) + 1; 657 p = scanstring(p, -1) + 1;
658 break; 658 break;
659 default: ; 659 default: ;
660 } 660 }
661 } 661 }
662 if ( *p == '(' && *skipspace(p + 1, 1) == '*' ) 662 if ( *p == '(' && *skipspace(p + 1, 1) == '*' )
663 { /* We found the name being declared */ 663 { /* We found the name being declared */
664 while ( !isidfirstchar(*p) ) 664 while ( !isidfirstchar(*p) )
665 p = skipspace(p, 1) + 1; 665 p = skipspace(p, 1) + 1;
666 goto found; 666 goto found;
667 } 667 }
668 break; 668 break;
669 default: 669 default:
670 goto found; 670 goto found;
671 } 671 }
672 } 672 }
673found: if ( *p == '.' && p[-1] == '.' && p[-2] == '.' ) 673found: if ( *p == '.' && p[-1] == '.' && p[-2] == '.' )
674 { if ( convert_varargs ) 674 { if ( convert_varargs )
675 { *bp++ = "va_alist"; 675 { *bp++ = "va_alist";
676 vararg = p-2; 676 vararg = p-2;
677 } 677 }
678 else 678 else
679 { p++; 679 { p++;
680 if ( bp == breaks + 1 ) /* sole argument */ 680 if ( bp == breaks + 1 ) /* sole argument */
681 writeblanks(breaks[0], p); 681 writeblanks(breaks[0], p);
682 else 682 else
683 writeblanks(bp[-1] - 1, p); 683 writeblanks(bp[-1] - 1, p);
684 bp--; 684 bp--;
685 } 685 }
686 } 686 }
687 else 687 else
688 { while ( isidchar(*p) ) p--; 688 { while ( isidchar(*p) ) p--;
689 *bp++ = p+1; 689 *bp++ = p+1;
690 } 690 }
691 p = end; 691 p = end;
692 } 692 }
693 while ( *p++ == ',' ); 693 while ( *p++ == ',' );
694 *bp = p; 694 *bp = p;
695 /* Make a special check for 'void' arglist */ 695 /* Make a special check for 'void' arglist */
696 if ( bp == breaks+2 ) 696 if ( bp == breaks+2 )
697 { p = skipspace(breaks[0], 1); 697 { p = skipspace(breaks[0], 1);
698 if ( !strncmp(p, "void", 4) ) 698 if ( !strncmp(p, "void", 4) )
699 { p = skipspace(p+4, 1); 699 { p = skipspace(p+4, 1);
700 if ( p == breaks[2] - 1 ) 700 if ( p == breaks[2] - 1 )
701 { bp = breaks; /* yup, pretend arglist is empty */ 701 { bp = breaks; /* yup, pretend arglist is empty */
702 writeblanks(breaks[0], p + 1); 702 writeblanks(breaks[0], p + 1);
703 } 703 }
704 } 704 }
705 } 705 }
706 /* Put out the function name and left parenthesis. */ 706 /* Put out the function name and left parenthesis. */
707 p = buf; 707 p = buf;
708 while ( p != endfn ) putc(*p, out), p++; 708 while ( p != endfn ) putc(*p, out), p++;
709 /* Put out the declaration. */ 709 /* Put out the declaration. */
710 if ( header ) 710 if ( header )
711 { fputs(");", out); 711 { fputs(");", out);
712 for ( p = breaks[0]; *p; p++ ) 712 for ( p = breaks[0]; *p; p++ )
713 if ( *p == '\r' || *p == '\n' ) 713 if ( *p == '\r' || *p == '\n' )
714 putc(*p, out); 714 putc(*p, out);
715 } 715 }
716 else 716 else
717 { for ( ap = breaks+1; ap < bp; ap += 2 ) 717 { for ( ap = breaks+1; ap < bp; ap += 2 )
718 { p = *ap; 718 { p = *ap;
719 while ( isidchar(*p) ) 719 while ( isidchar(*p) )
720 putc(*p, out), p++; 720 putc(*p, out), p++;
721 if ( ap < bp - 1 ) 721 if ( ap < bp - 1 )
722 fputs(", ", out); 722 fputs(", ", out);
723 } 723 }
724 fputs(") ", out); 724 fputs(") ", out);
725 /* Put out the argument declarations */ 725 /* Put out the argument declarations */
726 for ( ap = breaks+2; ap <= bp; ap += 2 ) 726 for ( ap = breaks+2; ap <= bp; ap += 2 )
727 (*ap)[-1] = ';'; 727 (*ap)[-1] = ';';
728 if ( vararg != 0 ) 728 if ( vararg != 0 )
729 { *vararg = 0; 729 { *vararg = 0;
730 fputs(breaks[0], out); /* any prior args */ 730 fputs(breaks[0], out); /* any prior args */
731 fputs("va_dcl", out); /* the final arg */ 731 fputs("va_dcl", out); /* the final arg */
732 fputs(bp[0], out); 732 fputs(bp[0], out);
733 } 733 }
734 else 734 else
735 fputs(breaks[0], out); 735 fputs(breaks[0], out);
736 } 736 }
737 free((char *)breaks); 737 free((char *)breaks);
738 return 0; 738 return 0;
739} 739}
generated by cgit v1.1 at 2024-08-31 20:47:33 +0000