odyssey/sources/error.h

#ifndef ODYSSEY_ERROR_H
#define ODYSSEY_ERROR_H

/*
 * Odyssey.
 *
 * Scalable PostgreSQL connection pooler.
 */

typedef struct od_error od_error_t;

#define OD_ERROR_MAX_LEN 256

struct od_error
{
	char file[256];
	int file_len;
	char function[128];
	int function_len;
	char error[OD_ERROR_MAX_LEN];
	int error_len;
	int line;
};

static inline void
od_error_init(od_error_t *error)
{
	error->file[0]      = 0;
	error->file_len     = 0;
	error->function[0]  = 0;
	error->function_len = 0;
	error->error[0]     = 0;
	error->error_len    = 0;
	error->line         = 0;
}

static inline void
od_error_setv(od_error_t *error,
              const char *file,
              const char *function,
              int line,
              char *fmt,
              va_list args)
{
	error->file_len = od_snprintf(error->file, sizeof(error->file), "%s", file);
	error->function_len =
	  od_snprintf(error->function, sizeof(error->function), "%s", function);
	error->line = line;
	int len;
	len = od_vsnprintf(error->error, sizeof(error->error), fmt, args);
	error->error_len = len;
}

static inline int
od_error_set(od_error_t *error,
             const char *file,
             const char *function,
             int line,
             char *fmt,
             ...)
{
	va_list args;
	va_start(args, fmt);
	od_error_setv(error, file, function, line, fmt, args);
	va_end(args);
	return -1;
}

#define od_errorf(error, fmt, ...)                                             \
	od_error_set(error, __FILE__, __func__, __LINE__, fmt, __VA_ARGS__)

#endif /* ODYSSEY_ERROR_H */