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core.h File Reference
#include <ctype.h>#include <dirent.h>#include <inttypes.h>#include <limits.h>#include <stdbool.h>#include <stddef.h>#include <stdint.h>#include <stdio.h>#include <stdlib.h>#include <string.h>#include <sys/stat.h>#include <uuid/uuid.h>#include "log.h"#include "xxhash.h"
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Macros | |
| #define | LOG_USE_COLOR |
| #define | BREAKPOINT |
| #define | LIKELY(x) |
| #define | UNLIKELY(x) |
| #define | TMPDIR "/tmp" |
| #define | VOLK_VERSION "1.0b7" |
| #define | VOLK_NS "info:volksdata:" |
| #define | KLEN sizeof(VOLK_Key) |
| #define | DBL_KLEN sizeof(VOLK_DoubleKey) |
| #define | TRP_KLEN sizeof(VOLK_TripleKey) |
| #define | QUAD_KLEN sizeof(VOLK_QuadKey) |
| #define | UUIDSTR_SIZE 37 |
| #define | NULL_TRP {NULL_KEY, NULL_KEY, NULL_KEY} |
| "NULL" triple, a value that is never user-provided. | |
| #define | VOLK_OK 0 |
| Generic success return code. | |
| #define | VOLK_NOACTION 88801 |
| No action taken. | |
| #define | VOLK_NORESULT 88802 |
| No result yielded. | |
| #define | VOLK_END 88803 |
| Loop end. | |
| #define | VOLK_CONFLICT 88804 |
| Conflict warning. | |
| #define | VOLK_ERROR -88899 |
| Generic error return code. | |
| #define | VOLK_PARSE_ERR -88898 |
| Codec parser error. | |
| #define | VOLK_VALUE_ERR -88897 |
| An invalid input value was provided. | |
| #define | VOLK_TXN_ERR -88896 |
| Error handling a store transaction. | |
| #define | VOLK_DB_ERR -88895 |
| Low-level database error. | |
| #define | VOLK_NOT_IMPL_ERR -88894 |
| Functionality is not implemented. | |
| #define | VOLK_IO_ERR -88893 |
| I/O error. | |
| #define | VOLK_MEM_ERR -88892 |
| Memory allocation error. | |
| #define | VOLK_CONFLICT_ERR -88891 |
| Conflict error. | |
| #define | VOLK_ENV_ERR -88890 |
| Error while handling environment setup; or environment not initialized. | |
| #define | VOLK_HASH_SEED 0 |
| Seed used for all hashing. Compile-time configurable. | |
| #define | VOLK_HASH32(buf, size, seed) |
| Default 32-bit hashing function. | |
| #define | VOLK_HASH64(buf, size, seed) |
| Default 64-bit hashing function. | |
| #define | VOLK_HASH128(buf, size, seed) |
| Default 128-bit hashing function. | |
| #define | VOLK_HASH(...) |
| Default hashing function. Depends on architecture. | |
| #define | VOLK_MIN_ERROR -88899 |
| Minimum error value. | |
| #define | VOLK_MAX_ERROR -88000 |
| #define | VOLK_MIN_WARNING 88800 |
| First warning value. | |
| #define | VOLK_MAX_WARNING 88899 |
| #define | LOG_DEBUG(...) |
| #define | LOG_TRACE(...) |
| #define | LOG_RC(rc) |
| Log an error or warning for return codes that are not VOLK_OK. | |
| #define | CHECK(exp, marker) |
| Jump to marker if exp does not return VOLK_OK. | |
| #define | PCHECK(exp, marker) |
| Jump to marker if exp returns a negative value (skip warnings). | |
| #define | NLCHECK(exp, marker) |
| Log error and jump to marker if exp is NULL. | |
| #define | RCCK(exp) |
| Return exp return value if it is of VOLK_rc type and nonzero. | |
| #define | PRCCK(exp) |
| Return exp return value if it is of VOLK_rc type and negative (=error). | |
| #define | RCNL(exp) |
| Return NULL if exp returns a nonzero value. | |
| #define | PRCNL(exp) |
| Return NULL if exp returns a negative value (=error). | |
| #define | NLNL(exp) |
| Log error and return NULL if exp is NULL. | |
| #define | MALLOC_GUARD(var, rc) |
| Allocate one pointer with malloc and return rc if it fails. | |
| #define | CALLOC_GUARD(var, rc) |
| Allocate one pointer with calloc and return rc if it fails. | |
Typedefs | |
| typedef int | VOLK_rc |
| typedef XXH32_hash_t | VOLK_Hash32 |
| 32-bit hash data type. | |
| typedef XXH64_hash_t | VOLK_Hash64 |
| 64-bit hash data type. | |
| typedef XXH128_hash_t | VOLK_Hash128 |
| 128-bit hash data type. | |
| typedef VOLK_Hash64 | VOLK_Hash |
| Default hash data type. | |
| typedef size_t | VOLK_Key |
| Term key, i.e., hash of a serialized term. | |
| typedef VOLK_Key | VOLK_DoubleKey[2] |
| Array of two VOLK_Key values. | |
| typedef VOLK_Key | VOLK_TripleKey[3] |
| Array of three VOLK_Key values, representing a triple. | |
| typedef VOLK_Key | VOLK_QuadKey[4] |
| Array of three VOLK_Key values, representing a triple with context. | |
| typedef char | uuid_str_t[UUIDSTR_SIZE] |
| UUID string tpe. | |
Enumerations | |
| enum | VOLK_bool_op { VOLK_BOOL_UNION , VOLK_BOOL_SUBTRACTION , VOLK_BOOL_INTERSECTION , VOLK_BOOL_XOR } |
| Boolean operations that can be performed on a graph. More... | |
Functions | |
| const char * | VOLK_strerror (VOLK_rc rc) |
| Return an error message for a return code. | |
| char * | strndup (const char *src, size_t max) |
| Replacement for GNU strndup. | |
| char * | strdup (const char *src) |
| Replacement for GNU strdup. | |
| VOLK_rc | mkdir_p (const char *path, mode_t mode) |
| Make recursive directories. | |
| VOLK_rc | rm_r (const char *path) |
| Remove a directory recursively, as in Unix "rm -r". | |
| int | utf8_encode (const uint32_t utf, unsigned char *out) |
| Encode a code point using UTF-8. | |
Variables | |
| char * | warning_msg [] |
| Warning messages. | |
| char * | error_msg [] |
| char * | VOLK_root_path |
| bool | VOLK_env_is_init |
| Whether the environment is initialized. | |
