internal.h
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#ifndef __EVHTP_INTERNAL_H__
#define __EVHTP_INTERNAL_H__
#ifdef __cplusplus
extern "C" {
#endif
#if defined __GNUC__ || defined __llvm__
# define evhtp_likely(x) __builtin_expect(!!(x), 1)
# define evhtp_unlikely(x) __builtin_expect(!!(x), 0)
#else
# define evhtp_likely(x) (x)
# define evhtp_unlikely(x) (x)
#endif
#ifndef TAILQ_FOREACH_SAFE
#define TAILQ_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = TAILQ_FIRST((head)); \
(var) && ((tvar) = TAILQ_NEXT((var), field), 1); \
(var) = (tvar))
#endif
#define __FILENAME__ \
(strrchr(__FILE__, '/') ? \
strrchr(__FILE__, '/') + 1 : __FILE__)
#define clean_errno() \
(errno == 0 ? "None" : strerror(errno))
#define __log_debug_color(X) "[\x1b[1;36m" X "\x1b[0;39m]"
#define __log_error_color(X) "[\x1b[1;31m" X "\x1b[0;39m]"
#define __log_warn_color(X) "[\x1b[1;33m" X "\x1b[0;39m]"
#define __log_info_color(X) "[\x1b[32m" X "\x1b[0;39m]"
#define __log_func_color(X) "\x1b[33m" X "\x1b[39m"
#define __log_args_color(X) "\x1b[94m" X "\x1b[39m"
#define __log_errno_color(X) "\x1b[35m" X "\x1b[39m"
#if !defined(EVHTP_DEBUG)
/* compile with all debug messages removed */
#define log_debug(M, ...)
#else
#define log_debug(M, ...) \
fprintf(stderr, __log_debug_color("DEBUG") " " \
__log_func_color("%s/%s:%-9d") \
__log_args_color(M) \
"\n", \
__FILENAME__, __FUNCTION__, __LINE__, ## __VA_ARGS__)
#endif
#define log_error(M, ...) \
fprintf(stderr, __log_error_color("ERROR") " " \
__log_func_color("%s:%-9d") \
__log_args_color(M) \
" :: " \
__log_errno_color("(errno: %s)") \
"\n", \
__FILENAME__, __LINE__, ## __VA_ARGS__, clean_errno())
#define log_warn(M, ...) \
fprintf(stderr, __log_warn_color("WARN") " " \
__log_func_color("%s:%-9d") \
__log_args_color(M) \
" :: " \
__log_errno_color("(errno: %s)") \
"\n", \
__FILENAME__, __LINE__, ## __VA_ARGS__, clean_errno())
#define log_info(M, ...) \
fprintf(stderr, __log_info_color("INFO") " " \
__log_func_color("%4s:%-9d") \
__log_args_color(M) "\n", \
__FILENAME__, __LINE__, ## __VA_ARGS__)
#ifndef NDEBUG
#define evhtp_assert(x) \
do { \
if (evhtp_unlikely(!(x))) { \
fprintf(stderr, "Assertion failed: %s (%s:%s:%d)\n", # x, \
__func__, __FILE__, __LINE__); \
fflush(stderr); \
abort(); \
} \
} while (0)
#define evhtp_alloc_assert(x) \
do { \
if (evhtp_unlikely(!x)) { \
fprintf(stderr, "Out of memory (%s:%s:%d)\n", \
__func__, __FILE__, __LINE__); \
fflush(stderr); \
abort(); \
} \
} while (0)
#define evhtp_assert_fmt(x, fmt, ...) \
do { \
if (evhtp_unlikely(!(x))) { \
fprintf(stderr, "Assertion failed: %s (%s:%s:%d) " fmt "\n", \
# x, __func__, __FILE__, __LINE__, __VA_ARGS__); \
fflush(stderr); \
abort(); \
} \
} while (0)
#define evhtp_errno_assert(x) \
do { \
if (evhtp_unlikely(!(x))) { \
fprintf(stderr, "%s [%d] (%s:%s:%d)\n", \
strerror(errno), errno, \
__func__, __FILE__, __LINE__); \
fflush(stderr); \
abort(); \
} \
} while (0)
#else
#define evhtp_assert(x)
#define evhtp_alloc_assert(x)
#define evhtp_assert_fmt(x)
#define evhtp_errno_assert(x)
#endif
#ifdef __cplusplus
}
#endif
#endif