pspradio-mod /Plugins/APP_Links2/links-2.1pre23/error.c

Language C Lines 404
MD5 Hash dd6d9d338c12e7e43815045d563266c2 Estimated Cost $9,269 (why?)
Repository http://pspradio-mod.googlecode.com/svn/trunk/ View Raw File
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
/* error.c
 * (c) 2002 Mikulas Patocka
 * This file is a part of the Links program, released under GPL.
 */

#include "links.h"

#if DEBUGLEVEL >= 2
#define RED_ZONE	'R'
#define FREE_FILL	0xfe
#define REALLOC_FILL	0xfd
#define ALLOC_FILL	0xfc
#endif

#if DEBUGLEVEL < 0
#define FREE_FILL	0xfe
#endif

#if DEBUGLEVEL < 0
#define NO_IE
#endif

#ifdef RED_ZONE
#define RED_ZONE_INC	1
#else
#define RED_ZONE_INC	0
#endif

void er(int, unsigned char *, va_list); /* prototype */


void do_not_optimize_here(void *p)
{
	/* stop GCC optimization - avoid bugs in it */
}

#ifdef LEAK_DEBUG
long mem_amount = 0;
long last_mem_amount = -1;
#ifdef LEAK_DEBUG_LIST
struct list_head memory_list = { &memory_list, &memory_list };
#endif
#endif

static inline void force_dump(void)
{
	fprintf(stderr, "\n\033[1m%s\033[0m\n", "Forcing core dump");
	fflush(stdout);
	fflush(stderr);
	fatal_tty_exit();
	raise(SIGSEGV);
}

void check_memory_leaks(void)
{
#if defined(NO_IE)
	return;
#else
#ifdef LEAK_DEBUG
	if (mem_amount) {
		fprintf(stderr, "\n\033[1mMemory leak by %ld bytes\033[0m\n", mem_amount);
#ifdef LEAK_DEBUG_LIST
		fprintf(stderr, "\nList of blocks: ");
		{
			int r = 0;
			struct alloc_header *ah;
			foreach (ah, memory_list) {
				fprintf(stderr, "%s%p:%d @ %s:%d", r ? ", ": "", (char *)ah + L_D_S, ah->size, ah->file, ah->line), r = 1;
				if (ah->comment) fprintf(stderr, ":\"%s\"", ah->comment);
			}
			fprintf(stderr, "\n");
		}
#endif
		force_dump();
	}
#endif
#endif
}

void er(int b, unsigned char *m, va_list l)
{
	if (b) fprintf(stderr, "%c", (char)7);
#ifdef HAVE_VPRINTF
	vfprintf(stderr, m, l);
#else
	fprintf(stderr, "%s", m);
#endif
	fprintf(stderr, "\n");
	sleep(1);
}

void error(unsigned char *m, ...)
{
	va_list l;
	va_start(l, m);
	er(1, m, l);
	va_end(l);
}

int errline;
unsigned char *errfile;

unsigned char errbuf[4096];

void int_error(unsigned char *m, ...)
{
#ifdef NO_IE
	return;
#else
	va_list l;
	va_start(l, m);
	sprintf(errbuf, "\033[1mINTERNAL ERROR\033[0m at %s:%d: ", errfile, errline);
	strcat(errbuf, m);
	er(1, errbuf, l);
	force_dump();
	va_end(l);
#endif
}

void debug_msg(unsigned char *m, ...)
{
	va_list l;
	va_start(l, m);
	sprintf(errbuf, "DEBUG MESSAGE at %s:%d: ", errfile, errline);
	strcat(errbuf, m);
	er(0, errbuf, l);
	va_end(l);
}

#ifdef LEAK_DEBUG

void *debug_mem_alloc(unsigned char *file, int line, size_t size)
{
	void *p;
#ifdef LEAK_DEBUG
	struct alloc_header *ah;
#endif
	if (!size) return DUMMY;
	if (size > MAXINT) overalloc();
#ifdef LEAK_DEBUG
	mem_amount += size;
	size += L_D_S;
#endif
	if (!(p = malloc(size + RED_ZONE_INC))) {
		error("ERROR: out of memory (malloc returned NULL)");
#ifdef PSP
		pspDebugScreenPrintf("Out of Memory when: Allocating %ld bytes (called from '%s' line %d)\n", size+RED_ZONE_INC, file, line);
		pspDebugScreenPrintf("Memory allocated = %ld bytes | JS Mem Allocated = %ld bytes\n", mem_amount, js_zaflaknuto_pameti);
		wait_for_triangle("debug_mem_alloc() out of memory!");
		terminate_loop = 1;
		return NULL;
#endif
		fatal_tty_exit();
		exit(RET_FATAL);
		return NULL;
	}
#ifdef RED_ZONE
	*((char *)p + size + RED_ZONE_INC - 1) = RED_ZONE;
#endif
#ifdef LEAK_DEBUG
	ah = p;
	p = (char *)p + L_D_S;
	ah->size = size - L_D_S;
	ah->magic = ALLOC_MAGIC;
#ifdef LEAK_DEBUG_LIST
	ah->file = file;
	ah->line = line;
	ah->comment = NULL;
	add_to_list(memory_list, ah);
#endif
#endif
#ifdef ALLOC_FILL
	memset(p, ALLOC_FILL, size - L_D_S);
#endif
	return p;
}

void *debug_mem_calloc(unsigned char *file, int line, size_t size)
{
	void *p;
#ifdef LEAK_DEBUG
	struct alloc_header *ah;
#endif
	if (!size) return DUMMY;
	if (size > MAXINT) overalloc();
#ifdef LEAK_DEBUG
	mem_amount += size;
	size += L_D_S;
#endif
	if (!(p = x_calloc(size + RED_ZONE_INC))) {
		error("ERROR: out of memory (calloc returned NULL)");
#ifdef PSP
		wait_for_triangle("debug_mem_calloc() out of memory!");
#endif
		fatal_tty_exit();
		exit(RET_FATAL);
		return NULL;
	}
#ifdef RED_ZONE
	*((char *)p + size + RED_ZONE_INC - 1) = RED_ZONE;
#endif
#ifdef LEAK_DEBUG
	ah = p;
	p = (char *)p + L_D_S;
	ah->size = size - L_D_S;
	ah->magic = ALLOC_MAGIC;
#ifdef LEAK_DEBUG_LIST
	ah->file = file;
	ah->line = line;
	ah->comment = NULL;
	add_to_list(memory_list, ah);
#endif
#endif
	return p;
}

void debug_mem_free(unsigned char *file, int line, void *p)
{
#ifdef LEAK_DEBUG
	struct alloc_header *ah;
#endif
	if (p == DUMMY) return;
	if (!p) {
		errfile = file, errline = line, int_error("mem_free(NULL)");
		return;
	}
#ifdef LEAK_DEBUG
	p = (char *)p - L_D_S;
	ah = p;
	if (ah->magic != ALLOC_MAGIC) {
		errfile = file, errline = line, int_error("mem_free: magic doesn't match: %08x", ah->magic);
		return;
	}
#ifdef FREE_FILL
	memset((char *)p + L_D_S, FREE_FILL, ah->size);
#endif
	ah->magic = ALLOC_FREE_MAGIC;
#ifdef LEAK_DEBUG_LIST
	del_from_list(ah);
	if (ah->comment) free(ah->comment);
#endif
	mem_amount -= ah->size;
#endif
#ifdef RED_ZONE
	if (*((char *)p + L_D_S + ah->size + RED_ZONE_INC - 1) != RED_ZONE) {
		errfile = file, errline = line, int_error("mem_free: red zone damaged: %02x (block allocated at %s:%d:%s)", *((unsigned char *)p + L_D_S + ah->size + RED_ZONE_INC - 1),
#ifdef LEAK_DEBUG_LIST
		ah->file, ah->line, ah->comment);
#else
		"-", 0, "-");
#endif
		return;
	}
#endif
	free(p);
}

void *debug_mem_realloc(unsigned char *file, int line, void *p, size_t size)
{
#ifdef LEAK_DEBUG
	struct alloc_header *ah;
#endif
	if (p == DUMMY) return debug_mem_alloc(file, line, size);
	if (!p) {
		errfile = file, errline = line, int_error("mem_realloc(NULL, %d)", size);
		return NULL;
	}
	if (!size) {
		debug_mem_free(file, line, p);
		return DUMMY;
	}
	if (size > MAXINT) overalloc();
#ifdef LEAK_DEBUG
	p = (char *)p - L_D_S;
	ah = p;
	if (ah->magic != ALLOC_MAGIC) {
		errfile = file, errline = line, int_error("mem_realloc: magic doesn't match: %08x", ah->magic);
		return NULL;
	}
	ah->magic = ALLOC_REALLOC_MAGIC;
#ifdef REALLOC_FILL
	if (size < (size_t)ah->size) memset((char *)p + L_D_S + size, REALLOC_FILL, ah->size - size);
#endif
#endif
#ifdef RED_ZONE
	if (*((char *)p + L_D_S + ah->size + RED_ZONE_INC - 1) != RED_ZONE) {
		errfile = file, errline = line, int_error("mem_realloc: red zone damaged: %02x (block allocated at %s:%d:%s)", *((unsigned char *)p + L_D_S + ah->size + RED_ZONE_INC - 1),
#ifdef LEAK_DEBUG_LIST
		ah->file, ah->line, ah->comment);
#else
		"-", 0, "-");
#endif
		return (char *)p + L_D_S;
	}
#endif
	if (!(p = realloc(p, size + L_D_S + RED_ZONE_INC))) {
		error("ERROR: out of memory (realloc returned NULL)");
#ifdef PSP
		wait_for_triangle("debug_mem_realloc() out of memory!");
#endif
		fatal_tty_exit();
		exit(RET_FATAL);
		return NULL;
	}
#ifdef RED_ZONE
	*((char *)p + size + L_D_S + RED_ZONE_INC - 1) = RED_ZONE;
#endif
#ifdef LEAK_DEBUG
	ah = p;
	mem_amount += size - ah->size;
	ah->size = size;
	ah->magic = ALLOC_MAGIC;
#ifdef LEAK_DEBUG_LIST
	ah->prev->next = ah;
	ah->next->prev = ah;
#endif
#endif
	return (char *)p + L_D_S;
}

void set_mem_comment(void *p, unsigned char *c, int l)
{
#ifdef LEAK_DEBUG_LIST
	struct alloc_header *ah = (struct alloc_header *)((char *)p - L_D_S);
	if (ah->comment) free(ah->comment);
	if ((ah->comment = malloc(l + 1))) memcpy(ah->comment, c, l), ah->comment[l] = 0;
#endif
}

unsigned char *get_mem_comment(void *p)
{
#ifdef LEAK_DEBUG_LIST
	/* perm je prase: return ((struct alloc_header*)((char*)((void*)((char*)p-sizeof(int))) - L_D_S))->comment;*/
	struct alloc_header *ah = (struct alloc_header *)((char *)p - L_D_S);
	if (!ah->comment) return "";
	else return ah->comment;
#else
	return "";
#endif
}


#endif

#ifdef OOPS

struct prot {
	struct prot *next;
	struct prot *prev;
	sigjmp_buf buf;
};

struct list_head prot = {&prot, &prot };

int handled = 0;

void fault(void *dummy)
{
	struct prot *p;
	/*fprintf(stderr, "FAULT: %d !\n", (int)(unsigned long)dummy);*/
	if (list_empty(prot)) {
#ifdef PSP
		wait_for_triangle("fault!");
#endif
		fatal_tty_exit();
		exit(0);
	}
	p = prot.next;
	del_from_list(p);
	longjmp(p->buf, 1);
}

sigjmp_buf *new_stack_frame(void)
{
	struct prot *new;
	if (!handled) {
		install_signal_handler(SIGSEGV, fault, (void *)SIGSEGV, 1);
		install_signal_handler(SIGBUS, fault, (void *)SIGBUS, 1);
		install_signal_handler(SIGFPE, fault, (void *)SIGFPE, 1);
		install_signal_handler(SIGILL, fault, (void *)SIGILL, 1);
		install_signal_handler(SIGABRT, fault, (void *)SIGABRT, 1);
		handled = 1;
	}
	if (!(new = mem_alloc(sizeof(struct prot)))) return NULL;
	add_to_list(prot, new);
	return &new->buf;
}

void xpr()
{
	if (!list_empty(prot)) {
		struct prot *next = prot.next;
		del_from_list(next);
		mem_free(next);
	}
}

void nopr()
{
	free_list(prot);
}

#endif
Back to Top