Prefix LOG and CHECK with AOS_

This prepares us for introducing glog more widely and transitioning
things over where they make sense.

Change-Id: Ic6c208882407bc2153fe875ffc736d66f5c8ade5
diff --git a/aos/logging/logging.h b/aos/logging/logging.h
index 6682098..bd9b103 100644
--- a/aos/logging/logging.h
+++ b/aos/logging/logging.h
@@ -4,14 +4,14 @@
 // This file contains the logging client interface. It works with both C and C++
 // code.
 
-#include <stdio.h>
+#include <errno.h>
 #include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <errno.h>
 
-#include "aos/macros.h"
 #include "aos/libc/aos_strerror.h"
+#include "aos/macros.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -19,16 +19,16 @@
 
 typedef uint8_t log_level;
 
-#define DECL_LEVELS \
-DECL_LEVEL(DEBUG, 0); /* stuff that gets printed out every cycle */ \
-DECL_LEVEL(INFO, 1); /* things like PosEdge/NegEdge */ \
-/* things that might still work if they happen occasionally */ \
-DECL_LEVEL(WARNING, 2); \
-/*-1 so that vxworks macro of same name will have same effect if used*/ \
-DECL_LEVEL(ERROR, -1); /* errors */ \
-/* serious errors. the logging code will terminate the process/task */ \
-DECL_LEVEL(FATAL, 4); \
-DECL_LEVEL(LOG_UNKNOWN, 5); /* unknown logging level */
+#define DECL_LEVELS                                                       \
+  DECL_LEVEL(DEBUG, 0); /* stuff that gets printed out every cycle */     \
+  DECL_LEVEL(INFO, 1);  /* things like PosEdge/NegEdge */                 \
+  /* things that might still work if they happen occasionally */          \
+  DECL_LEVEL(WARNING, 2);                                                 \
+  /*-1 so that vxworks macro of same name will have same effect if used*/ \
+  DECL_LEVEL(ERROR, -1); /* errors */                                     \
+  /* serious errors. the logging code will terminate the process/task */  \
+  DECL_LEVEL(FATAL, 4);                                                   \
+  DECL_LEVEL(LOG_UNKNOWN, 5); /* unknown logging level */
 #define DECL_LEVEL(name, value) static const log_level name = value;
 DECL_LEVELS;
 #undef DECL_LEVEL
@@ -40,14 +40,14 @@
 // Actually implements the basic logging call.
 // Does not check that level is valid.
 void log_do(log_level level, const char *format, ...)
-  __attribute__((format(GOOD_PRINTF_FORMAT_TYPE, 2, 3)));
+    __attribute__((format(GOOD_PRINTF_FORMAT_TYPE, 2, 3)));
 
 void log_cork(int line, const char *function, const char *format, ...)
-  __attribute__((format(GOOD_PRINTF_FORMAT_TYPE, 3, 4)));
+    __attribute__((format(GOOD_PRINTF_FORMAT_TYPE, 3, 4)));
 // Implements the uncork logging call.
 void log_uncork(int line, const char *function, log_level level,
                 const char *file, const char *format, ...)
-  __attribute__((format(GOOD_PRINTF_FORMAT_TYPE, 5, 6)));
+    __attribute__((format(GOOD_PRINTF_FORMAT_TYPE, 5, 6)));
 
 #ifdef __cplusplus
 }
@@ -64,7 +64,7 @@
 #define LOG_SOURCENAME __FILE__
 
 // The basic logging call.
-#define LOG(level, format, args...)                                        \
+#define AOS_LOG(level, format, args...)                                    \
   do {                                                                     \
     log_do(level, LOG_SOURCENAME ": " STRINGIFY(__LINE__) ": %s: " format, \
            LOG_CURRENT_FUNCTION, ##args);                                  \
@@ -78,39 +78,39 @@
 
 // Same as LOG except appends " due to %d (%s)\n" (formatted with errno and
 // aos_strerror(errno)) to the message.
-#define PLOG(level, format, args...) PELOG(level, errno, format, ##args)
+#define AOS_PLOG(level, format, args...) AOS_PELOG(level, errno, format, ##args)
 
 // Like PLOG except allows specifying an error other than errno.
-#define PELOG(level, error_in, format, args...)           \
-  do {                                                    \
-    const int error = error_in;                           \
-    LOG(level, format " due to %d (%s)\n", ##args, error, \
-        aos_strerror(error));                             \
+#define AOS_PELOG(level, error_in, format, args...)           \
+  do {                                                        \
+    const int error = error_in;                               \
+    AOS_LOG(level, format " due to %d (%s)\n", ##args, error, \
+            aos_strerror(error));                             \
   } while (0);
 
 // Allows format to not be a string constant.
-#define LOG_DYNAMIC(level, format, args...)                             \
-  do {                                                                  \
-    static char log_buf[LOG_MESSAGE_LEN];                               \
-    int ret = snprintf(log_buf, sizeof(log_buf), format, ##args);       \
-    if (ret < 0 || (uintmax_t)ret >= LOG_MESSAGE_LEN) {                 \
-      LOG(ERROR, "next message was too long so not subbing in args\n"); \
-      LOG(level, "%s", format);                                         \
-    } else {                                                            \
-      LOG(level, "%s", log_buf);                                        \
-    }                                                                   \
+#define AOS_LOG_DYNAMIC(level, format, args...)                             \
+  do {                                                                      \
+    static char log_buf[LOG_MESSAGE_LEN];                                   \
+    int ret = snprintf(log_buf, sizeof(log_buf), format, ##args);           \
+    if (ret < 0 || (uintmax_t)ret >= LOG_MESSAGE_LEN) {                     \
+      AOS_LOG(ERROR, "next message was too long so not subbing in args\n"); \
+      AOS_LOG(level, "%s", format);                                         \
+    } else {                                                                \
+      AOS_LOG(level, "%s", log_buf);                                        \
+    }                                                                       \
   } while (0)
 
 // Allows "bottling up" multiple log fragments which can then all be logged in
 // one message with LOG_UNCORK.
 // Calls from a given thread/task will be grouped together.
-#define LOG_CORK(format, args...)                             \
+#define AOS_LOG_CORK(format, args...)                         \
   do {                                                        \
     log_cork(__LINE__, LOG_CURRENT_FUNCTION, format, ##args); \
   } while (0)
 // Actually logs all of the saved up log fragments (including format and args on
 // the end).
-#define LOG_UNCORK(level, format, args...)                                    \
+#define AOS_LOG_UNCORK(level, format, args...)                                \
   do {                                                                        \
     log_uncork(__LINE__, LOG_CURRENT_FUNCTION, level, LOG_SOURCENAME, format, \
                ##args);                                                       \
@@ -162,16 +162,16 @@
 // controlled by NDEBUG, so the check will be executed regardless of
 // compilation mode.  Therefore, it is safe to do things like:
 //    CHECK(fp->Write(x) == 4)
-#define CHECK(condition)                          \
-  if (__builtin_expect(!(condition), 0)) {        \
-    LOG(FATAL, "CHECK(%s) failed\n", #condition); \
+#define AOS_CHECK(condition)                          \
+  if (__builtin_expect(!(condition), 0)) {            \
+    AOS_LOG(FATAL, "CHECK(%s) failed\n", #condition); \
   }
 
 // Helper functions for CHECK_OP macro.
 // The (int, int) specialization works around the issue that the compiler
 // will not instantiate the template version of the function on values of
 // unnamed enum type.
-#define DEFINE_CHECK_OP_IMPL(name, op)                                       \
+#define AOS_DEFINE_CHECK_OP_IMPL(name, op)                                   \
   template <typename T1, typename T2>                                        \
   inline void LogImpl##name(const T1 &v1, const T2 &v2,                      \
                             const char *exprtext) {                          \
@@ -192,47 +192,47 @@
 // base/logging.h provides its own #defines for the simpler names EQ, NE, etc.
 // This happens if, for example, those are used as token names in a
 // yacc grammar.
-DEFINE_CHECK_OP_IMPL(Check_EQ, ==)  // Compilation error with CHECK_EQ(NULL, x)?
-DEFINE_CHECK_OP_IMPL(Check_NE, !=)  // Use CHECK(x == NULL) instead.
-DEFINE_CHECK_OP_IMPL(Check_LE, <=)
-DEFINE_CHECK_OP_IMPL(Check_LT, < )
-DEFINE_CHECK_OP_IMPL(Check_GE, >=)
-DEFINE_CHECK_OP_IMPL(Check_GT, > )
+AOS_DEFINE_CHECK_OP_IMPL(Check_EQ, ==)  // Compilation error with CHECK_EQ(NULL, x)?
+AOS_DEFINE_CHECK_OP_IMPL(Check_NE, !=)  // Use CHECK(x == NULL) instead.
+AOS_DEFINE_CHECK_OP_IMPL(Check_LE, <=)
+AOS_DEFINE_CHECK_OP_IMPL(Check_LT, <)
+AOS_DEFINE_CHECK_OP_IMPL(Check_GE, >=)
+AOS_DEFINE_CHECK_OP_IMPL(Check_GT, >)
 
-#define CHECK_OP(name, op, val1, val2)  \
-  ::aos::LogImplCheck##name(val1, val2, \
+#define AOS_CHECK_OP(name, op, val1, val2) \
+  ::aos::LogImplCheck##name(val1, val2,    \
                             STRINGIFY(val1) STRINGIFY(op) STRINGIFY(val2))
 
-#define CHECK_EQ(val1, val2) CHECK_OP(_EQ, ==, val1, val2)
-#define CHECK_NE(val1, val2) CHECK_OP(_NE, !=, val1, val2)
-#define CHECK_LE(val1, val2) CHECK_OP(_LE, <=, val1, val2)
-#define CHECK_LT(val1, val2) CHECK_OP(_LT, < , val1, val2)
-#define CHECK_GE(val1, val2) CHECK_OP(_GE, >=, val1, val2)
-#define CHECK_GT(val1, val2) CHECK_OP(_GT, > , val1, val2)
+#define AOS_CHECK_EQ(val1, val2) AOS_CHECK_OP(_EQ, ==, val1, val2)
+#define AOS_CHECK_NE(val1, val2) AOS_CHECK_OP(_NE, !=, val1, val2)
+#define AOS_CHECK_LE(val1, val2) AOS_CHECK_OP(_LE, <=, val1, val2)
+#define AOS_CHECK_LT(val1, val2) AOS_CHECK_OP(_LT, <, val1, val2)
+#define AOS_CHECK_GE(val1, val2) AOS_CHECK_OP(_GE, >=, val1, val2)
+#define AOS_CHECK_GT(val1, val2) AOS_CHECK_OP(_GT, >, val1, val2)
 
 // A small helper for CHECK_NOTNULL().
 template <typename T>
-inline T* CheckNotNull(const char *value_name, T *t) {
+inline T *CheckNotNull(const char *value_name, T *t) {
   if (t == NULL) {
-    LOG(FATAL, "'%s' must not be NULL\n", value_name);
+    AOS_LOG(FATAL, "'%s' must not be NULL\n", value_name);
   }
   return t;
 }
 
 // Check that the input is non NULL.  This very useful in constructor
 // initializer lists.
-#define CHECK_NOTNULL(val) ::aos::CheckNotNull(STRINGIFY(val), val)
+#define AOS_CHECK_NOTNULL(val) ::aos::CheckNotNull(STRINGIFY(val), val)
 
 inline int CheckSyscall(const char *syscall_string, int value) {
   if (__builtin_expect(value == -1, false)) {
-    PLOG(FATAL, "%s failed", syscall_string);
+    AOS_PLOG(FATAL, "%s failed", syscall_string);
   }
   return value;
 }
 
 inline void CheckSyscallReturn(const char *syscall_string, int value) {
   if (__builtin_expect(value != 0, false)) {
-    PELOG(FATAL, value, "%s failed", syscall_string);
+    AOS_PELOG(FATAL, value, "%s failed", syscall_string);
   }
 }
 
@@ -240,16 +240,17 @@
 // useful for quickly checking syscalls where it's not very useful to print out
 // the values of any of the arguments. Returns the result otherwise.
 //
-// Example: const int fd = PCHECK(open("/tmp/whatever", O_WRONLY))
-#define PCHECK(syscall) ::aos::CheckSyscall(STRINGIFY(syscall), syscall)
+// Example: const int fd = AOS_PCHECK(open("/tmp/whatever", O_WRONLY))
+#define AOS_PCHECK(syscall) ::aos::CheckSyscall(STRINGIFY(syscall), syscall)
 
 // PELOG(FATAL)s with the result of syscall if it returns anything other than 0.
 // This is useful for quickly checking things like many of the pthreads
 // functions where it's not very useful to print out the values of any of the
 // arguments.
 //
-// Example: PRCHECK(munmap(address, length))
-#define PRCHECK(syscall) ::aos::CheckSyscallReturn(STRINGIFY(syscall), syscall)
+// Example: AOS_PRCHECK(munmap(address, length))
+#define AOS_PRCHECK(syscall) \
+  ::aos::CheckSyscallReturn(STRINGIFY(syscall), syscall)
 
 }  // namespace aos