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d7ce7006 | 1 | /*\r |
2 | * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>\r | |
3 | * All rights reserved.\r | |
4 | *\r | |
5 | * Redistribution and use in source and binary forms, with or without\r | |
6 | * modification, are permitted provided that the following conditions\r | |
7 | * are met:\r | |
8 | * 1. Redistributions of source code must retain the above copyright\r | |
9 | * notice, this list of conditions and the following disclaimer.\r | |
10 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
11 | * notice, this list of conditions and the following disclaimer in the\r | |
12 | * documentation and/or other materials provided with the distribution.\r | |
13 | * 3. The name of the author may not be used to endorse or promote products\r | |
14 | * derived from this software without specific prior written permission.\r | |
15 | *\r | |
16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,\r | |
17 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY\r | |
18 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL\r | |
19 | * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\r | |
20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,\r | |
21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;\r | |
22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\r | |
23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR\r | |
24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF\r | |
25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r | |
26 | *\r | |
27 | * $Id: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $\r | |
28 | \r | |
29 | * Copyright (c) 1997, 2002 The NetBSD Foundation, Inc.\r | |
30 | * All rights reserved.\r | |
31 | *\r | |
32 | * This code is derived from software contributed to The NetBSD Foundation\r | |
33 | * by Klaus Klein and Jason R. Thorpe.\r | |
34 | *\r | |
35 | * Redistribution and use in source and binary forms, with or without\r | |
36 | * modification, are permitted provided that the following conditions\r | |
37 | * are met:\r | |
38 | * 1. Redistributions of source code must retain the above copyright\r | |
39 | * notice, this list of conditions and the following disclaimer.\r | |
40 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
41 | * notice, this list of conditions and the following disclaimer in the\r | |
42 | * documentation and/or other materials provided with the distribution.\r | |
43 | * 3. All advertising materials mentioning features or use of this software\r | |
44 | * must display the following acknowledgement:\r | |
45 | * This product includes software developed by the NetBSD\r | |
46 | * Foundation, Inc. and its contributors.\r | |
47 | * 4. Neither the name of The NetBSD Foundation nor the names of its\r | |
48 | * contributors may be used to endorse or promote products derived\r | |
49 | * from this software without specific prior written permission.\r | |
50 | *\r | |
51 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS\r | |
52 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED\r | |
53 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r | |
54 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS\r | |
55 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r | |
56 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r | |
57 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r | |
58 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r | |
59 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r | |
60 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r | |
61 | * POSSIBILITY OF SUCH DAMAGE.\r | |
62 | *\r | |
63 | * $NetBSD: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $\r | |
64 | \r | |
65 | * Copyright (c) 1987, 1993\r | |
66 | * The Regents of the University of California. All rights reserved.\r | |
67 | *\r | |
68 | * Redistribution and use in source and binary forms, with or without\r | |
69 | * modification, are permitted provided that the following conditions\r | |
70 | * are met:\r | |
71 | * 1. Redistributions of source code must retain the above copyright\r | |
72 | * notice, this list of conditions and the following disclaimer.\r | |
73 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
74 | * notice, this list of conditions and the following disclaimer in the\r | |
75 | * documentation and/or other materials provided with the distribution.\r | |
76 | * 3. Neither the name of the University nor the names of its contributors\r | |
77 | * may be used to endorse or promote products derived from this software\r | |
78 | * without specific prior written permission.\r | |
79 | *\r | |
80 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r | |
81 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r | |
82 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r | |
83 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r | |
84 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r | |
85 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r | |
86 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r | |
87 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r | |
88 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r | |
89 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r | |
90 | * SUCH DAMAGE.\r | |
91 | *\r | |
92 | * $NetBSD: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $\r | |
93 | */\r | |
94 | #include <LibConfig.h>\r | |
95 | #include <string.h>\r | |
96 | #include <fcntl.h>\r | |
41b152c5 | 97 | #include <sys/syslimits.h>\r |
d7ce7006 | 98 | \r |
99 | #ifndef HAVE_GETOPT\r | |
100 | char *optarg;\r | |
101 | int optind = 1;\r | |
102 | int\r | |
103 | getopt(int argc, char **argv, char *args)\r | |
104 | {\r | |
105 | size_t n;\r | |
106 | size_t nlen = strlen(args);\r | |
107 | char cmd;\r | |
108 | char rv;\r | |
109 | \r | |
110 | if (argv[optind] && *argv[optind] == '-') {\r | |
111 | cmd = *(argv[optind] + 1);\r | |
112 | \r | |
113 | for (n = 0; n < nlen; n++) {\r | |
114 | if (args[n] == ':')\r | |
115 | continue;\r | |
116 | if (args[n] == cmd) {\r | |
117 | rv = *(argv[optind] + 1);\r | |
118 | if (args[n+1] == ':') {\r | |
119 | if (*(argv[optind] + 2) != '\0') {\r | |
120 | optarg = argv[optind] + 2;\r | |
121 | optind += 1;\r | |
122 | } else {\r | |
123 | optarg = argv[optind + 1];\r | |
124 | optind += 2;\r | |
125 | }\r | |
126 | if (!optarg)\r | |
127 | optarg="";\r | |
128 | return rv;\r | |
129 | } else {\r | |
130 | optarg = NULL;\r | |
131 | optind += 1;\r | |
132 | return rv;\r | |
133 | }\r | |
134 | }\r | |
135 | }\r | |
136 | }\r | |
137 | \r | |
138 | return -1;\r | |
139 | }\r | |
140 | #endif\r | |
141 | \r | |
d7ce7006 | 142 | #define ISPATHSEPARATOR(x) ((x == '/') || (x == '\\'))\r |
d7ce7006 | 143 | \r |
144 | #ifndef HAVE_BASENAME\r | |
145 | #ifndef PATH_MAX\r | |
146 | #define PATH_MAX 5000\r | |
147 | #endif\r | |
148 | \r | |
149 | char *\r | |
150 | basename(char *path)\r | |
151 | {\r | |
152 | static char singledot[] = ".";\r | |
153 | static char result[PATH_MAX];\r | |
154 | char *p, *lastp;\r | |
155 | size_t len;\r | |
156 | \r | |
157 | /*\r | |
158 | * If `path' is a null pointer or points to an empty string,\r | |
159 | * return a pointer to the string ".".\r | |
160 | */\r | |
161 | if ((path == NULL) || (*path == '\0'))\r | |
162 | return (singledot);\r | |
163 | \r | |
164 | /* Strip trailing slashes, if any. */\r | |
165 | lastp = path + strlen(path) - 1;\r | |
166 | while (lastp != path && ISPATHSEPARATOR(*lastp))\r | |
167 | lastp--;\r | |
168 | \r | |
169 | /* Now find the beginning of this (final) component. */\r | |
170 | p = lastp;\r | |
171 | while (p != path && !ISPATHSEPARATOR(*(p - 1)))\r | |
172 | p--;\r | |
173 | \r | |
174 | /* ...and copy the result into the result buffer. */\r | |
175 | len = (lastp - p) + 1 /* last char */;\r | |
176 | if (len > (PATH_MAX - 1))\r | |
177 | len = PATH_MAX - 1;\r | |
178 | \r | |
179 | memcpy(result, p, len);\r | |
180 | result[len] = '\0';\r | |
181 | \r | |
182 | return (result);\r | |
183 | }\r | |
184 | #endif\r | |
185 | \r | |
186 | #if !defined(HAVE_MKSTEMP) && !defined(WIN32)\r | |
187 | int\r | |
188 | mkstemp(char *path)\r | |
189 | {\r | |
190 | char *start, *trv;\r | |
191 | unsigned int pid;\r | |
192 | \r | |
193 | /* To guarantee multiple calls generate unique names even if\r | |
194 | the file is not created. 676 different possibilities with 7\r | |
195 | or more X's, 26 with 6 or less. */\r | |
196 | static char xtra[2] = "aa";\r | |
197 | int xcnt = 0;\r | |
198 | \r | |
199 | pid = getpid();\r | |
200 | \r | |
201 | /* Move to end of path and count trailing X's. */\r | |
202 | for (trv = path; *trv; ++trv)\r | |
203 | if (*trv == 'X')\r | |
204 | xcnt++;\r | |
205 | else\r | |
206 | xcnt = 0;\r | |
207 | \r | |
208 | /* Use at least one from xtra. Use 2 if more than 6 X's. */\r | |
209 | if (*(trv - 1) == 'X')\r | |
210 | *--trv = xtra[0];\r | |
211 | if (xcnt > 6 && *(trv - 1) == 'X')\r | |
212 | *--trv = xtra[1];\r | |
213 | \r | |
214 | /* Set remaining X's to pid digits with 0's to the left. */\r | |
215 | while (*--trv == 'X') {\r | |
216 | *trv = (pid % 10) + '0';\r | |
217 | pid /= 10;\r | |
218 | }\r | |
219 | \r | |
220 | /* update xtra for next call. */\r | |
221 | if (xtra[0] != 'z')\r | |
222 | xtra[0]++;\r | |
223 | else {\r | |
224 | xtra[0] = 'a';\r | |
225 | if (xtra[1] != 'z')\r | |
226 | xtra[1]++;\r | |
227 | else\r | |
228 | xtra[1] = 'a';\r | |
229 | }\r | |
230 | \r | |
231 | return open(path, O_CREAT | O_EXCL | O_RDWR, 0600);\r | |
232 | }\r | |
233 | #endif\r | |
234 | \r | |
235 | #ifndef HAVE_FFS\r | |
236 | int\r | |
237 | ffs(int x)\r | |
238 | {\r | |
239 | int r = 1;\r | |
240 | if (!x) return 0;\r | |
241 | if (!(x & 0xffff)) { x >>= 16; r += 16; }\r | |
242 | if (!(x & 0xff)) { x >>= 8; r += 8; }\r | |
243 | if (!(x & 0xf)) { x >>= 4; r += 4; }\r | |
244 | if (!(x & 3)) { x >>= 2; r += 2; }\r | |
245 | if (!(x & 1)) { x >>= 1; r += 1; }\r | |
246 | \r | |
247 | return r;\r | |
248 | }\r | |
249 | #endif\r | |
250 | \r | |
251 | /*\r | |
252 | * Copyright Patrick Powell 1995\r | |
253 | * This code is based on code written by Patrick Powell (papowell@astart.com)\r | |
254 | * It may be used for any purpose as long as this notice remains intact\r | |
255 | * on all source code distributions\r | |
256 | */\r | |
257 | \r | |
258 | #if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF)\r | |
259 | \r | |
260 | static void\r | |
261 | dopr(char *buffer, size_t maxlen, const char *format, va_list args);\r | |
262 | \r | |
263 | static void\r | |
264 | fmtstr(char *buffer, size_t *currlen, size_t maxlen, char *value, int flags,\r | |
265 | int min, int max);\r | |
266 | \r | |
267 | static void\r | |
268 | fmtint(char *buffer, size_t *currlen, size_t maxlen, long value, int base,\r | |
269 | int min, int max, int flags);\r | |
270 | \r | |
271 | static void\r | |
272 | fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,\r | |
273 | int min, int max, int flags);\r | |
274 | \r | |
275 | static void\r | |
276 | dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c);\r | |
277 | \r | |
278 | /*\r | |
279 | * dopr(): poor man's version of doprintf\r | |
280 | */\r | |
281 | \r | |
282 | /* format read states */\r | |
283 | #define DP_S_DEFAULT 0\r | |
284 | #define DP_S_FLAGS 1\r | |
285 | #define DP_S_MIN 2\r | |
286 | #define DP_S_DOT 3\r | |
287 | #define DP_S_MAX 4\r | |
288 | #define DP_S_MOD 5\r | |
289 | #define DP_S_CONV 6\r | |
290 | #define DP_S_DONE 7\r | |
291 | \r | |
292 | /* format flags - Bits */\r | |
293 | #define DP_F_MINUS (1 << 0)\r | |
294 | #define DP_F_PLUS (1 << 1)\r | |
295 | #define DP_F_SPACE (1 << 2)\r | |
296 | #define DP_F_NUM (1 << 3)\r | |
297 | #define DP_F_ZERO (1 << 4)\r | |
298 | #define DP_F_UP (1 << 5)\r | |
299 | #define DP_F_UNSIGNED (1 << 6)\r | |
300 | \r | |
301 | /* Conversion Flags */\r | |
302 | #define DP_C_SHORT 1\r | |
303 | #define DP_C_LONG 2\r | |
304 | #define DP_C_LDOUBLE 3\r | |
305 | #define DP_C_LONG_LONG 4\r | |
306 | \r | |
307 | #define char_to_int(p) (p - '0')\r | |
308 | #define abs_val(p) (p < 0 ? -p : p)\r | |
309 | \r | |
310 | \r | |
311 | static void\r | |
312 | dopr(char *buffer, size_t maxlen, const char *format, va_list args)\r | |
313 | {\r | |
314 | char *strvalue, ch;\r | |
315 | long value;\r | |
316 | long double fvalue;\r | |
317 | int min = 0, max = -1, state = DP_S_DEFAULT, flags = 0, cflags = 0;\r | |
318 | size_t currlen = 0;\r | |
319 | \r | |
320 | ch = *format++;\r | |
321 | \r | |
322 | while (state != DP_S_DONE) {\r | |
323 | if ((ch == '\0') || (currlen >= maxlen))\r | |
324 | state = DP_S_DONE;\r | |
325 | \r | |
326 | switch(state) {\r | |
327 | case DP_S_DEFAULT:\r | |
328 | if (ch == '%')\r | |
329 | state = DP_S_FLAGS;\r | |
330 | else\r | |
331 | dopr_outch(buffer, &currlen, maxlen, ch);\r | |
332 | ch = *format++;\r | |
333 | break;\r | |
334 | case DP_S_FLAGS:\r | |
335 | switch (ch) {\r | |
336 | case '-':\r | |
337 | flags |= DP_F_MINUS;\r | |
338 | ch = *format++;\r | |
339 | break;\r | |
340 | case '+':\r | |
341 | flags |= DP_F_PLUS;\r | |
342 | ch = *format++;\r | |
343 | break;\r | |
344 | case ' ':\r | |
345 | flags |= DP_F_SPACE;\r | |
346 | ch = *format++;\r | |
347 | break;\r | |
348 | case '#':\r | |
349 | flags |= DP_F_NUM;\r | |
350 | ch = *format++;\r | |
351 | break;\r | |
352 | case '0':\r | |
353 | flags |= DP_F_ZERO;\r | |
354 | ch = *format++;\r | |
355 | break;\r | |
356 | default:\r | |
357 | state = DP_S_MIN;\r | |
358 | break;\r | |
359 | }\r | |
360 | break;\r | |
361 | case DP_S_MIN:\r | |
362 | if (isdigit((unsigned char)ch)) {\r | |
363 | min = 10 * min + char_to_int (ch);\r | |
364 | ch = *format++;\r | |
365 | } else if (ch == '*') {\r | |
366 | min = va_arg (args, int);\r | |
367 | ch = *format++;\r | |
368 | state = DP_S_DOT;\r | |
369 | } else\r | |
370 | state = DP_S_DOT;\r | |
371 | break;\r | |
372 | case DP_S_DOT:\r | |
373 | if (ch == '.') {\r | |
374 | state = DP_S_MAX;\r | |
375 | ch = *format++;\r | |
376 | } else\r | |
377 | state = DP_S_MOD;\r | |
378 | break;\r | |
379 | case DP_S_MAX:\r | |
380 | if (isdigit((unsigned char)ch)) {\r | |
381 | if (max < 0)\r | |
382 | max = 0;\r | |
383 | max = 10 * max + char_to_int(ch);\r | |
384 | ch = *format++;\r | |
385 | } else if (ch == '*') {\r | |
386 | max = va_arg (args, int);\r | |
387 | ch = *format++;\r | |
388 | state = DP_S_MOD;\r | |
389 | } else\r | |
390 | state = DP_S_MOD;\r | |
391 | break;\r | |
392 | case DP_S_MOD:\r | |
393 | switch (ch) {\r | |
394 | case 'h':\r | |
395 | cflags = DP_C_SHORT;\r | |
396 | ch = *format++;\r | |
397 | break;\r | |
398 | case 'l':\r | |
399 | cflags = DP_C_LONG;\r | |
400 | ch = *format++;\r | |
401 | if (ch == 'l') {\r | |
402 | cflags = DP_C_LONG_LONG;\r | |
403 | ch = *format++;\r | |
404 | }\r | |
405 | break;\r | |
406 | case 'q':\r | |
407 | cflags = DP_C_LONG_LONG;\r | |
408 | ch = *format++;\r | |
409 | break;\r | |
410 | case 'L':\r | |
411 | cflags = DP_C_LDOUBLE;\r | |
412 | ch = *format++;\r | |
413 | break;\r | |
414 | default:\r | |
415 | break;\r | |
416 | }\r | |
417 | state = DP_S_CONV;\r | |
418 | break;\r | |
419 | case DP_S_CONV:\r | |
420 | switch (ch) {\r | |
421 | case 'd':\r | |
422 | case 'i':\r | |
423 | if (cflags == DP_C_SHORT)\r | |
424 | value = va_arg(args, int);\r | |
425 | else if (cflags == DP_C_LONG)\r | |
426 | value = va_arg(args, long int);\r | |
427 | else if (cflags == DP_C_LONG_LONG)\r | |
428 | value = va_arg (args, long long);\r | |
429 | else\r | |
430 | value = va_arg (args, int);\r | |
431 | fmtint(buffer, &currlen, maxlen, value, 10, min, max, flags);\r | |
432 | break;\r | |
433 | case 'o':\r | |
434 | flags |= DP_F_UNSIGNED;\r | |
435 | if (cflags == DP_C_SHORT)\r | |
436 | value = va_arg(args, unsigned int);\r | |
437 | else if (cflags == DP_C_LONG)\r | |
438 | value = va_arg(args, unsigned long int);\r | |
439 | else if (cflags == DP_C_LONG_LONG)\r | |
440 | value = va_arg(args, unsigned long long);\r | |
441 | else\r | |
442 | value = va_arg(args, unsigned int);\r | |
443 | fmtint(buffer, &currlen, maxlen, value, 8, min, max, flags);\r | |
444 | break;\r | |
445 | case 'u':\r | |
446 | flags |= DP_F_UNSIGNED;\r | |
447 | if (cflags == DP_C_SHORT)\r | |
448 | value = va_arg(args, unsigned int);\r | |
449 | else if (cflags == DP_C_LONG)\r | |
450 | value = va_arg(args, unsigned long int);\r | |
451 | else if (cflags == DP_C_LONG_LONG)\r | |
452 | value = va_arg(args, unsigned long long);\r | |
453 | else\r | |
454 | value = va_arg(args, unsigned int);\r | |
455 | fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags);\r | |
456 | break;\r | |
457 | case 'X':\r | |
458 | flags |= DP_F_UP;\r | |
459 | case 'x':\r | |
460 | flags |= DP_F_UNSIGNED;\r | |
461 | if (cflags == DP_C_SHORT)\r | |
462 | value = va_arg(args, unsigned int);\r | |
463 | else if (cflags == DP_C_LONG)\r | |
464 | value = va_arg(args, unsigned long int);\r | |
465 | else if (cflags == DP_C_LONG_LONG)\r | |
466 | value = va_arg(args, unsigned long long);\r | |
467 | else\r | |
468 | value = va_arg(args, unsigned int);\r | |
469 | fmtint(buffer, &currlen, maxlen, value, 16, min, max, flags);\r | |
470 | break;\r | |
471 | case 'f':\r | |
472 | if (cflags == DP_C_LDOUBLE)\r | |
473 | fvalue = va_arg(args, long double);\r | |
474 | else\r | |
475 | fvalue = va_arg(args, double);\r | |
476 | /* um, floating point? */\r | |
477 | fmtfp(buffer, &currlen, maxlen, fvalue, min, max, flags);\r | |
478 | break;\r | |
479 | case 'E':\r | |
480 | flags |= DP_F_UP;\r | |
481 | case 'e':\r | |
482 | if (cflags == DP_C_LDOUBLE)\r | |
483 | fvalue = va_arg(args, long double);\r | |
484 | else\r | |
485 | fvalue = va_arg(args, double);\r | |
486 | break;\r | |
487 | case 'G':\r | |
488 | flags |= DP_F_UP;\r | |
489 | case 'g':\r | |
490 | if (cflags == DP_C_LDOUBLE)\r | |
491 | fvalue = va_arg(args, long double);\r | |
492 | else\r | |
493 | fvalue = va_arg(args, double);\r | |
494 | break;\r | |
495 | case 'c':\r | |
496 | dopr_outch(buffer, &currlen, maxlen, va_arg(args, int));\r | |
497 | break;\r | |
498 | case 's':\r | |
499 | strvalue = va_arg(args, char *);\r | |
500 | if (max < 0)\r | |
501 | max = maxlen; /* ie, no max */\r | |
502 | fmtstr(buffer, &currlen, maxlen, strvalue, flags, min, max);\r | |
503 | break;\r | |
504 | case 'p':\r | |
505 | strvalue = va_arg(args, void *);\r | |
506 | fmtint(buffer, &currlen, maxlen, (long) strvalue, 16, min, max, flags);\r | |
507 | break;\r | |
508 | case 'n':\r | |
509 | if (cflags == DP_C_SHORT) {\r | |
510 | short int *num;\r | |
511 | num = va_arg(args, short int *);\r | |
512 | *num = currlen;\r | |
513 | } else if (cflags == DP_C_LONG) {\r | |
514 | long int *num;\r | |
515 | num = va_arg(args, long int *);\r | |
516 | *num = currlen;\r | |
517 | } else if (cflags == DP_C_LONG_LONG) {\r | |
518 | long long *num;\r | |
519 | num = va_arg(args, long long *);\r | |
520 | *num = currlen;\r | |
521 | } else {\r | |
522 | int *num;\r | |
523 | num = va_arg(args, int *);\r | |
524 | *num = currlen;\r | |
525 | }\r | |
526 | break;\r | |
527 | case '%':\r | |
528 | dopr_outch(buffer, &currlen, maxlen, ch);\r | |
529 | break;\r | |
530 | case 'w': /* not supported yet, treat as next char */\r | |
531 | ch = *format++;\r | |
532 | break;\r | |
533 | default: /* Unknown, skip */\r | |
534 | break;\r | |
535 | }\r | |
536 | ch = *format++;\r | |
537 | state = DP_S_DEFAULT;\r | |
538 | flags = cflags = min = 0;\r | |
539 | max = -1;\r | |
540 | break;\r | |
541 | case DP_S_DONE:\r | |
542 | break;\r | |
543 | default: /* hmm? */\r | |
544 | break; /* some picky compilers need this */\r | |
545 | }\r | |
546 | }\r | |
547 | if (currlen < maxlen - 1)\r | |
548 | buffer[currlen] = '\0';\r | |
549 | else\r | |
550 | buffer[maxlen - 1] = '\0';\r | |
551 | }\r | |
552 | \r | |
553 | static void\r | |
554 | fmtstr(char *buffer, size_t *currlen, size_t maxlen,\r | |
555 | char *value, int flags, int min, int max)\r | |
556 | {\r | |
557 | int cnt = 0, padlen, strln; /* amount to pad */\r | |
558 | \r | |
559 | if (value == 0)\r | |
560 | value = "<NULL>";\r | |
561 | \r | |
562 | for (strln = 0; value[strln]; ++strln); /* strlen */\r | |
563 | padlen = min - strln;\r | |
564 | if (padlen < 0)\r | |
565 | padlen = 0;\r | |
566 | if (flags & DP_F_MINUS)\r | |
567 | padlen = -padlen; /* Left Justify */\r | |
568 | \r | |
569 | while ((padlen > 0) && (cnt < max)) {\r | |
570 | dopr_outch(buffer, currlen, maxlen, ' ');\r | |
571 | --padlen;\r | |
572 | ++cnt;\r | |
573 | }\r | |
574 | while (*value && (cnt < max)) {\r | |
575 | dopr_outch(buffer, currlen, maxlen, *value++);\r | |
576 | ++cnt;\r | |
577 | }\r | |
578 | while ((padlen < 0) && (cnt < max)) {\r | |
579 | dopr_outch(buffer, currlen, maxlen, ' ');\r | |
580 | ++padlen;\r | |
581 | ++cnt;\r | |
582 | }\r | |
583 | }\r | |
584 | \r | |
585 | /* Have to handle DP_F_NUM (ie 0x and 0 alternates) */\r | |
586 | \r | |
587 | static void\r | |
588 | fmtint(char *buffer, size_t *currlen, size_t maxlen,\r | |
589 | long value, int base, int min, int max, int flags)\r | |
590 | {\r | |
591 | unsigned long uvalue;\r | |
592 | char convert[20];\r | |
593 | int signvalue = 0, place = 0, caps = 0;\r | |
594 | int spadlen = 0; /* amount to space pad */\r | |
595 | int zpadlen = 0; /* amount to zero pad */\r | |
596 | \r | |
597 | #define PADMAX(x,y) ((x) > (y) ? (x) : (y))\r | |
598 | \r | |
599 | if (max < 0)\r | |
600 | max = 0;\r | |
601 | \r | |
602 | uvalue = value;\r | |
603 | \r | |
604 | if (!(flags & DP_F_UNSIGNED)) {\r | |
605 | if (value < 0) {\r | |
606 | signvalue = '-';\r | |
607 | uvalue = -value;\r | |
608 | } else if (flags & DP_F_PLUS) /* Do a sign (+/i) */\r | |
609 | signvalue = '+';\r | |
610 | else if (flags & DP_F_SPACE)\r | |
611 | signvalue = ' ';\r | |
612 | }\r | |
613 | \r | |
614 | if (flags & DP_F_UP)\r | |
615 | caps = 1; /* Should characters be upper case? */\r | |
616 | do {\r | |
617 | convert[place++] =\r | |
618 | (caps ? "0123456789ABCDEF" : "0123456789abcdef")\r | |
619 | [uvalue % (unsigned)base];\r | |
620 | uvalue = (uvalue / (unsigned)base );\r | |
621 | } while (uvalue && (place < 20));\r | |
622 | if (place == 20)\r | |
623 | place--;\r | |
624 | convert[place] = 0;\r | |
625 | \r | |
626 | zpadlen = max - place;\r | |
627 | spadlen = min - PADMAX(max, place) - (signvalue ? 1 : 0);\r | |
628 | if (zpadlen < 0)\r | |
629 | zpadlen = 0;\r | |
630 | if (spadlen < 0)\r | |
631 | spadlen = 0;\r | |
632 | if (flags & DP_F_ZERO) {\r | |
633 | zpadlen = PADMAX(zpadlen, spadlen);\r | |
634 | spadlen = 0;\r | |
635 | }\r | |
636 | if (flags & DP_F_MINUS)\r | |
637 | spadlen = -spadlen; /* Left Justifty */\r | |
638 | \r | |
639 | /* Spaces */\r | |
640 | while (spadlen > 0) {\r | |
641 | dopr_outch(buffer, currlen, maxlen, ' ');\r | |
642 | --spadlen;\r | |
643 | }\r | |
644 | \r | |
645 | /* Sign */\r | |
646 | if (signvalue)\r | |
647 | dopr_outch(buffer, currlen, maxlen, signvalue);\r | |
648 | \r | |
649 | /* Zeros */\r | |
650 | if (zpadlen > 0) {\r | |
651 | while (zpadlen > 0) {\r | |
652 | dopr_outch(buffer, currlen, maxlen, '0');\r | |
653 | --zpadlen;\r | |
654 | }\r | |
655 | }\r | |
656 | \r | |
657 | /* Digits */\r | |
658 | while (place > 0)\r | |
659 | dopr_outch(buffer, currlen, maxlen, convert[--place]);\r | |
660 | \r | |
661 | /* Left Justified spaces */\r | |
662 | while (spadlen < 0) {\r | |
663 | dopr_outch (buffer, currlen, maxlen, ' ');\r | |
664 | ++spadlen;\r | |
665 | }\r | |
666 | }\r | |
667 | \r | |
668 | static long double\r | |
669 | pow10(int exp)\r | |
670 | {\r | |
671 | long double result = 1;\r | |
672 | \r | |
673 | while (exp) {\r | |
674 | result *= 10;\r | |
675 | exp--;\r | |
676 | }\r | |
677 | \r | |
678 | return result;\r | |
679 | }\r | |
680 | \r | |
681 | static long\r | |
682 | round(long double value)\r | |
683 | {\r | |
684 | long intpart = value;\r | |
685 | \r | |
686 | value -= intpart;\r | |
687 | if (value >= 0.5)\r | |
688 | intpart++;\r | |
689 | \r | |
690 | return intpart;\r | |
691 | }\r | |
692 | \r | |
693 | static void\r | |
694 | fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,\r | |
695 | int min, int max, int flags)\r | |
696 | {\r | |
697 | char iconvert[20], fconvert[20];\r | |
698 | int signvalue = 0, iplace = 0, fplace = 0;\r | |
699 | int padlen = 0; /* amount to pad */\r | |
700 | int zpadlen = 0, caps = 0;\r | |
701 | long intpart, fracpart;\r | |
702 | long double ufvalue;\r | |
703 | \r | |
704 | /*\r | |
705 | * AIX manpage says the default is 0, but Solaris says the default\r | |
706 | * is 6, and sprintf on AIX defaults to 6\r | |
707 | */\r | |
708 | if (max < 0)\r | |
709 | max = 6;\r | |
710 | \r | |
711 | ufvalue = abs_val(fvalue);\r | |
712 | \r | |
713 | if (fvalue < 0)\r | |
714 | signvalue = '-';\r | |
715 | else if (flags & DP_F_PLUS) /* Do a sign (+/i) */\r | |
716 | signvalue = '+';\r | |
717 | else if (flags & DP_F_SPACE)\r | |
718 | signvalue = ' ';\r | |
719 | \r | |
720 | intpart = ufvalue;\r | |
721 | \r | |
722 | /*\r | |
723 | * Sorry, we only support 9 digits past the decimal because of our\r | |
724 | * conversion method\r | |
725 | */\r | |
726 | if (max > 9)\r | |
727 | max = 9;\r | |
728 | \r | |
729 | /* We "cheat" by converting the fractional part to integer by\r | |
730 | * multiplying by a factor of 10\r | |
731 | */\r | |
732 | fracpart = round((pow10 (max)) * (ufvalue - intpart));\r | |
733 | \r | |
734 | if (fracpart >= pow10 (max)) {\r | |
735 | intpart++;\r | |
736 | fracpart -= pow10 (max);\r | |
737 | }\r | |
738 | \r | |
739 | /* Convert integer part */\r | |
740 | do {\r | |
741 | iconvert[iplace++] =\r | |
742 | (caps ? "0123456789ABCDEF" : "0123456789abcdef")\r | |
743 | [intpart % 10];\r | |
744 | intpart = (intpart / 10);\r | |
745 | } while(intpart && (iplace < 20));\r | |
746 | if (iplace == 20)\r | |
747 | iplace--;\r | |
748 | iconvert[iplace] = 0;\r | |
749 | \r | |
750 | /* Convert fractional part */\r | |
751 | do {\r | |
752 | fconvert[fplace++] =\r | |
753 | (caps ? "0123456789ABCDEF" : "0123456789abcdef")\r | |
754 | [fracpart % 10];\r | |
755 | fracpart = (fracpart / 10);\r | |
756 | } while(fracpart && (fplace < 20));\r | |
757 | if (fplace == 20)\r | |
758 | fplace--;\r | |
759 | fconvert[fplace] = 0;\r | |
760 | \r | |
761 | /* -1 for decimal point, another -1 if we are printing a sign */\r | |
762 | padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);\r | |
763 | zpadlen = max - fplace;\r | |
764 | if (zpadlen < 0)\r | |
765 | zpadlen = 0;\r | |
766 | if (padlen < 0)\r | |
767 | padlen = 0;\r | |
768 | if (flags & DP_F_MINUS)\r | |
769 | padlen = -padlen; /* Left Justifty */\r | |
770 | \r | |
771 | if ((flags & DP_F_ZERO) && (padlen > 0)) {\r | |
772 | if (signvalue) {\r | |
773 | dopr_outch(buffer, currlen, maxlen, signvalue);\r | |
774 | --padlen;\r | |
775 | signvalue = 0;\r | |
776 | }\r | |
777 | while (padlen > 0) {\r | |
778 | dopr_outch(buffer, currlen, maxlen, '0');\r | |
779 | --padlen;\r | |
780 | }\r | |
781 | }\r | |
782 | while (padlen > 0) {\r | |
783 | dopr_outch(buffer, currlen, maxlen, ' ');\r | |
784 | --padlen;\r | |
785 | }\r | |
786 | if (signvalue)\r | |
787 | dopr_outch(buffer, currlen, maxlen, signvalue);\r | |
788 | \r | |
789 | while (iplace > 0)\r | |
790 | dopr_outch(buffer, currlen, maxlen, iconvert[--iplace]);\r | |
791 | \r | |
792 | /*\r | |
793 | * Decimal point. This should probably use locale to find the\r | |
794 | * correct char to print out.\r | |
795 | */\r | |
796 | dopr_outch(buffer, currlen, maxlen, '.');\r | |
797 | \r | |
798 | while (fplace > 0)\r | |
799 | dopr_outch(buffer, currlen, maxlen, fconvert[--fplace]);\r | |
800 | \r | |
801 | while (zpadlen > 0) {\r | |
802 | dopr_outch(buffer, currlen, maxlen, '0');\r | |
803 | --zpadlen;\r | |
804 | }\r | |
805 | \r | |
806 | while (padlen < 0) {\r | |
807 | dopr_outch(buffer, currlen, maxlen, ' ');\r | |
808 | ++padlen;\r | |
809 | }\r | |
810 | }\r | |
811 | \r | |
812 | static void\r | |
813 | dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c)\r | |
814 | {\r | |
815 | if (*currlen < maxlen)\r | |
816 | buffer[(*currlen)++] = c;\r | |
817 | }\r | |
818 | #endif /* !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF) */\r | |
819 | \r | |
820 | #ifndef HAVE_VSNPRINTF\r | |
821 | int\r | |
822 | vsnprintf(char *str, size_t count, const char *fmt, va_list args)\r | |
823 | {\r | |
824 | str[0] = 0;\r | |
825 | dopr(str, count, fmt, args);\r | |
826 | \r | |
827 | return(strlen(str));\r | |
828 | }\r | |
829 | #endif /* !HAVE_VSNPRINTF */\r | |
830 | \r | |
831 | #ifndef HAVE_SNPRINTF\r | |
832 | int\r | |
833 | snprintf(char *str,size_t count,const char *fmt,...)\r | |
834 | {\r | |
835 | va_list ap;\r | |
836 | \r | |
837 | va_start(ap, fmt);\r | |
838 | (void) vsnprintf(str, count, fmt, ap);\r | |
839 | va_end(ap);\r | |
840 | \r | |
841 | return(strlen(str));\r | |
842 | }\r | |
843 | \r | |
844 | #endif /* !HAVE_SNPRINTF */\r |