summaryrefslogtreecommitdiff
path: root/libhfcommon/util.h
diff options
context:
space:
mode:
authorRobert Swiecki <robert@swiecki.net>2018-01-05 14:56:32 +0100
committerRobert Swiecki <robert@swiecki.net>2018-01-05 14:56:32 +0100
commit246af3eddb368f3c990e73af3ca87900a5de7e84 (patch)
tree0471d8dca019189e288e5a075625cbdee2ee79a2 /libhfcommon/util.h
parentff003b74a32346392e2d50fec18067fdcbd25f7a (diff)
downloadhonggfuzz-246af3eddb368f3c990e73af3ca87900a5de7e84.tar.gz
Includes/Libs: rename directories to the 'hf' prefix, so it doesn't collide with other public libraries
Diffstat (limited to 'libhfcommon/util.h')
-rw-r--r--libhfcommon/util.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/libhfcommon/util.h b/libhfcommon/util.h
new file mode 100644
index 00000000..26fe6e66
--- /dev/null
+++ b/libhfcommon/util.h
@@ -0,0 +1,125 @@
+/*
+ *
+ * honggfuzz - utilities
+ * -----------------------------------------
+ *
+ * Author: Robert Swiecki <swiecki@google.com>
+ *
+ * Copyright 2010-2015 by Google Inc. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ *
+ */
+
+#ifndef _HF_COMMON_UTIL_H_
+#define _HF_COMMON_UTIL_H_
+
+#include <pthread.h>
+#include <stdarg.h>
+#ifdef __clang__
+#include <stdatomic.h>
+#endif
+#include <stdbool.h>
+#include <stdint.h>
+#include <time.h>
+
+#define MX_LOCK(m) util_mutexLock(m, __func__, __LINE__)
+#define MX_UNLOCK(m) util_mutexUnlock(m, __func__, __LINE__)
+#define MX_RWLOCK_READ(m) util_mutexRWLockRead(m, __func__, __LINE__)
+#define MX_RWLOCK_WRITE(m) util_mutexRWLockWrite(m, __func__, __LINE__)
+#define MX_RWLOCK_UNLOCK(m) util_mutexRWUnlock(m, __func__, __LINE__)
+
+/* Atomics */
+#define ATOMIC_GET(x) __atomic_load_n(&(x), __ATOMIC_SEQ_CST)
+#define ATOMIC_SET(x, y) __atomic_store_n(&(x), y, __ATOMIC_SEQ_CST)
+#define ATOMIC_CLEAR(x) __atomic_store_n(&(x), 0, __ATOMIC_SEQ_CST)
+#define ATOMIC_XCHG(x, y) __atomic_exchange_n(&(x), y, __ATOMIC_SEQ_CST)
+
+#define ATOMIC_PRE_INC(x) __atomic_add_fetch(&(x), 1, __ATOMIC_SEQ_CST)
+#define ATOMIC_POST_INC(x) __atomic_fetch_add(&(x), 1, __ATOMIC_SEQ_CST)
+
+#define ATOMIC_PRE_DEC(x) __atomic_sub_fetch(&(x), 1, __ATOMIC_SEQ_CST)
+#define ATOMIC_POST_DEC(x) __atomic_fetch_sub(&(x), 1, __ATOMIC_SEQ_CST)
+
+#define ATOMIC_PRE_ADD(x, y) __atomic_add_fetch(&(x), y, __ATOMIC_SEQ_CST)
+#define ATOMIC_POST_ADD(x, y) __atomic_fetch_add(&(x), y, __ATOMIC_SEQ_CST)
+
+#define ATOMIC_PRE_SUB(x, y) __atomic_sub_fetch(&(x), y, __ATOMIC_SEQ_CST)
+#define ATOMIC_POST_SUB(x, y) __atomic_fetch_sub(&(x), y, __ATOMIC_SEQ_CST)
+
+#define ATOMIC_PRE_AND(x, y) __atomic_and_fetch(&(x), y, __ATOMIC_SEQ_CST)
+#define ATOMIC_POST_AND(x, y) __atomic_fetch_and(&(x), y, __ATOMIC_SEQ_CST)
+
+#define ATOMIC_PRE_OR(x, y) __atomic_or_fetch(&(x), y, __ATOMIC_SEQ_CST)
+#define ATOMIC_POST_OR(x, y) __atomic_fetch_or(&(x), y, __ATOMIC_SEQ_CST)
+
+#define ATOMIC_PRE_INC_RELAXED(x) __atomic_add_fetch(&(x), 1, __ATOMIC_RELAXED)
+#define ATOMIC_POST_OR_RELAXED(x, y) __atomic_fetch_or(&(x), y, __ATOMIC_RELAXED)
+
+__attribute__((always_inline)) static inline uint8_t ATOMIC_BTS(uint8_t* addr, size_t offset) {
+ uint8_t oldbit;
+ addr += (offset / 8);
+ oldbit = ATOMIC_POST_OR_RELAXED(*addr, ((uint8_t)1U << (offset % 8)));
+ return oldbit;
+}
+
+extern void* util_Malloc(size_t sz);
+
+extern void* util_Calloc(size_t sz);
+
+extern void* util_MMap(size_t sz);
+
+extern void* util_Realloc(void* ptr, size_t sz);
+
+extern char* util_StrDup(const char* s);
+
+extern uint64_t util_rndGet(uint64_t min, uint64_t max);
+
+extern void util_rndBuf(uint8_t* buf, size_t sz);
+
+extern uint64_t util_rnd64(void);
+
+extern int util_ssnprintf(char* str, size_t size, const char* format, ...);
+
+extern int util_vssnprintf(char* str, size_t size, const char* format, va_list ap);
+
+extern void util_getLocalTime(const char* fmt, char* buf, size_t len, time_t tm);
+
+extern void util_nullifyStdio(void);
+
+extern bool util_redirectStdin(const char* inputFile);
+
+extern uint64_t util_hash(const char* buf, size_t len);
+
+extern int64_t util_timeNowMillis(void);
+
+extern uint64_t util_getUINT32(const uint8_t* buf);
+extern uint64_t util_getUINT64(const uint8_t* buf);
+
+extern void util_mutexLock(pthread_mutex_t* mutex, const char* func, int line);
+extern void util_mutexUnlock(pthread_mutex_t* mutex, const char* func, int line);
+
+extern void util_mutexRWLockRead(pthread_rwlock_t* mutex, const char* func, int line);
+extern void util_mutexRWLockWrite(pthread_rwlock_t* mutex, const char* func, int line);
+extern void util_mutexRWUnlock(pthread_rwlock_t* mutex, const char* func, int line);
+
+extern int64_t fastArray64Search(uint64_t* array, size_t arraySz, uint64_t key);
+
+extern bool util_isANumber(const char* s);
+
+extern size_t util_decodeCString(char* s);
+
+extern uint64_t util_CRC64(const uint8_t* buf, size_t len);
+extern uint64_t util_CRC64Rev(const uint8_t* buf, size_t len);
+
+#endif /* ifndef _HF_COMMON_UTIL_H_ */