}
void util_meminfo() {
- util_debug("MEM", "Memory information:\n\
- Total allocations: %llu\n\
- Total deallocations: %llu\n\
- Total allocated: %llu (bytes)\n\
- Total deallocated: %llu (bytes)\n",
- mem_at, mem_dt,
- mem_ab, mem_db
- );
+ if (!opts_memchk)
+ return;
+
+ util_debug("MEM", "Memory information:\n\
+ Total allocations: %llu\n\
+ Total deallocations: %llu\n\
+ Total allocated: %llu (bytes)\n\
+ Total deallocated: %llu (bytes)\n\
+ Leaks found: lost %llu (bytes) in %d allocations\n",
+ mem_at, mem_dt,
+ mem_ab, mem_db,
+ (mem_ab - mem_db),
+ (mem_at - mem_dt)
+ );
}
-#ifndef mem_d
-#define mem_d(x) util_memory_d((x), __LINE__, __FILE__)
-#endif
-#ifndef mem_a
-#define mem_a(x) util_memory_a((x), __LINE__, __FILE__)
-#endif
-
/*
* Some string utility functions, because strdup uses malloc, and we want
* to track all memory (without replacing malloc).
*/
char *util_strdup(const char *s) {
- size_t len;
- char *ptr;
+ size_t len = 0;
+ char *ptr = NULL;
if (!s)
return NULL;
- len = strlen(s);
- ptr = mem_a (len+1);
-
- if (ptr && len) {
+ if ((len = strlen(s)) && (ptr = mem_a(len+1))) {
memcpy(ptr, s, len);
ptr[len] = '\0';
}
-
return ptr;
}
}
void util_debug(const char *area, const char *ms, ...) {
+ if (!opts_debug)
+ return;
+
va_list va;
va_start(va, ms);
fprintf (stdout, "DEBUG: ");
fputc ('[', stdout);
- fprintf(stdout, "%s",area);
+ fprintf(stdout, "%s", area);
fputs ("] ", stdout);
vfprintf(stdout, ms, va);
va_end (va);
}
+/*
+ * Endianess swapping, all data must be stored little-endian. This
+ * reorders by stride and length, much nicer than other functions for
+ * certian-sized types like short or int.
+ */
+void util_endianswap(void *m, int s, int l) {
+ size_t w = 0;
+ size_t i = 0;
+
+ /* ignore if we're already LE */
+ if(*((char *)&s))
+ return;
+
+ for(; w < l; w++) {
+ for(; i < s << 1; i++) {
+ unsigned char *p = (unsigned char *)m+w*s;
+ unsigned char t = p[i];
+ p[i] = p[s-i-1];
+ p[s-i-1] = t;
+ }
+ }
+}
+
+/*
+ * This is an implementation of CRC32. The polynomial has been offline
+ * computed for faster generation at the cost of larger code size. This
+ * is used to compute hashes for hash-table. This is not used for crc16
+ * generation of progs header calculation.
+ */
+#define util_crc32_update(O,C) \
+ (util_crc32_table[((C)^((unsigned char)O)) & 0xFF] ^ ((C)>>8))
+
+/* CRC polynomial 0xEDB88320 */
+static const uint32_t util_crc32_table[] = {
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
+ 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
+ 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
+ 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
+ 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+ 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
+ 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
+ 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
+ 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
+ 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
+ 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
+ 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
+ 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
+ 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+ 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
+ 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
+ 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
+ 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
+ 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
+ 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
+ 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
+ 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
+ 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+ 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
+ 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
+ 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
+ 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
+ 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
+ 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
+ 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
+ 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
+ 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+ 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
+ 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
+ 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
+ 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
+ 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
+ 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
+ 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
+};
+
+uint32_t util_crc32(const char *key, int len, register const short clamp) {
+ register uint32_t hash = 0xFFFFFFFF;
+ for (; len; --len, ++key)
+ hash = util_crc32_update(*key, hash);
+ return (~hash) % clamp;
+}
+
/*
* Implements libc getline for systems that don't have it, which is
* assmed all. This works the same as getline().
if (!lineptr || !n || !stream)
return -1;
if (!*lineptr) {
- if (!(*lineptr = mem_a((*n = 64))))
+ if (!(*lineptr = mem_a((*n=64))))
return -1;
}
chr = *n + *lineptr - pos;
strcpy(tmp,*lineptr);
if (!(*lineptr = tmp)) {
- mem_d (tmp);
+ mem_d (tmp);
return -1;
}
pos = *n - chr + *lineptr;
projects / xonotic / gmqcc.git / blobdiff