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#ifndef QEMU_LOG_H
#define QEMU_LOG_H

/* The deprecated global variables: */
extern FILE *logfile;
extern int loglevel;


/*
* The new API:
*
*/

/* Log settings checking macros: */

/* Returns true if qemu_log() will really write somewhere
*/
#define qemu_log_enabled() (logfile != NULL)

/* Returns true if a bit is set in the current loglevel mask
*/
#define qemu_loglevel_mask(b) ((loglevel & (b)) != 0)


/* Logging functions: */

/* main logging function
*/
#define qemu_log(...) do { \
if (logfile) \
fprintf(logfile, ## __VA_ARGS__); \
} while (0)

/* vfprintf-like logging function
*/
#define qemu_log_vprintf(fmt, va) do { \
if (logfile) \
vfprintf(logfile, fmt, va); \
} while (0)

/* log only if a bit is set on the current loglevel mask
*/
#define qemu_log_mask(b, ...) do { \
if (loglevel & (b)) \
fprintf(logfile, ## __VA_ARGS__); \
} while (0)




/* Special cases: */

/* cpu_dump_state() logging functions: */
#define log_cpu_state(env, f) cpu_dump_state((env), logfile, fprintf, (f));
#define log_cpu_state_mask(b, env, f) do { \
if (loglevel & (b)) log_cpu_state((env), (f)); \
} while (0)

/* disas() and target_disas() to logfile: */
#define log_target_disas(start, len, flags) \
target_disas(logfile, (start), (len), (flags))
#define log_disas(start, len) \
disas(logfile, (start), (len))

/* page_dump() output to the log file: */
#define log_page_dump() page_dump(logfile)



/* Maintenance: */

/* fflush() the log file */
#define qemu_log_flush() fflush(logfile)

/* Close the log file */
#define qemu_log_close() do { \
fclose(logfile); \
logfile = NULL; \
} while (0)

/* Set up a new log file */
#define qemu_log_set_file(f) do { \
logfile = (f); \
} while (0)

/* Set up a new log file, only if none is set */
#define qemu_log_try_set_file(f) do { \
if (!logfile) \
logfile = (f); \
} while (0)


#endif
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