#ifndef SP_UTILS_H
#define SP_UTILS_H

#include "sp_config.h"
#include "sp_list.h"

#if defined(__GNUC__)
# if __GNUC__ >= 3
#  define sp_pure __attribute__((pure))
#  define sp_const __attribute__((const))
# else
#  define sp_pure
#  define sp_const
# endif
#endif
/* The dump filename are of the form
 * `sp_dump_DATE_IPADDR.dump`, with:
 * - DATE being the output of asctime, 26 chars long
 * - IP_ADDR being an IP adress, with a maximum size of 15
 *
 *   We keep one char for the terminal \0, and one for the leading slash.
 */

#define MAX_FOLDER_LEN                                        \
  PATH_MAX - 1 - sizeof("sp_dump_") - 26 - sizeof("_") - 15 - \
      sizeof(".dump") - 1

#define VAR_AND_LEN(var) var, strlen(var)

#define SHA256_SIZE 32

#define HOOK_FUNCTION(original_name, hook_table, new_function, execution) \
  hook_function(original_name, SNUFFLEUPAGUS_G(hook_table), new_function, execution)

#define HOOK_FUNCTION_BY_REGEXP(regexp, hook_table, new_function, execution) \
  hook_regexp(regexp, SNUFFLEUPAGUS_G(hook_table), new_function, execution)

#define SP_LOG_NOTICE "notice"
#define SP_LOG_DROP "drop"
#define SP_LOG_DEBUG "debug"
#define SP_LOG_ERROR "error"

#define sp_log_err(feature, ...) sp_log_msg(feature, SP_LOG_ERROR, __VA_ARGS__)
#ifdef SP_DEBUG
    #define sp_log_debug(...) sp_log_msg("DEBUG", SP_LOG_DEBUG, __VA_ARGS__)
#else
    #define sp_log_debug(...)
#endif

void sp_log_msg(char const *feature, char const *level, const char* fmt, ...);
int compute_hash(const char *const filename, char *file_hash);
char *sp_convert_to_string(zval *);
bool sp_match_value(const char *, const char *, const pcre *);
int sp_match_array_key(const zval *, const char *, const pcre *);
int sp_match_array_key_recurse(const zval *, sp_node_t *, const char *,
                               const pcre *);
void sp_log_disable(const char *restrict, const char *restrict,
                    const char *restrict, const sp_disabled_function *);
void sp_log_disable_ret(const char *restrict, const char *restrict,
                        const sp_disabled_function *);
char *sp_getenv(char *);
int is_regexp_matching(const pcre *, const char *);
int hook_function(const char *, HashTable *,
                  void (*)(INTERNAL_FUNCTION_PARAMETERS), bool);
int hook_regexp(const pcre *, HashTable *,
                void (*)(INTERNAL_FUNCTION_PARAMETERS), bool);

#endif /* SP_UTILS_H */