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#include <stdbool.h>
#include <stdarg.h>
/* Default reporting level. Must recompile when change */
#ifndef RPT
#define RPT 2
#endif
/* Ways to report interesting behavior and errors */
/* Things to report */
typedef enum { MSG_WARN, MSG_ERROR, MSG_FATAL } message_t;
/* Buffer sizes */
#define MAX_CHAR 512
void init_files(FILE *errfile, FILE *verbfile);
bool set_logfile(char *file_name);
extern int verblevel;
void set_verblevel(int level);
/* Maximum number of megabytes that application can use (0 = unlimited) */
extern int mblimit;
/* Maximum number of seconds that application can use. (0 = unlimited) */
extern int timelimit;
/* Optional function to call when fatal error encountered */
extern void (*fatal_fun)();
/* Error messages */
void report_event(message_t msg, char *fmt, ...);
/* Report useful information */
void report(int verblevel, char *fmt, ...);
/* Like report, but without return character */
void report_noreturn(int verblevel, char *fmt, ...);
/* Simple failure report. Works even when malloc returns NULL */
void fail_fun(char *format, char *msg);
/* Signal safe reporting function */
void safe_report(int verblevel, char *msg);
/* Attempt to call malloc. Fail when returns NULL */
void *malloc_or_fail(size_t bytes, char *fun_name);
/* Attempt to call calloc. Fail when returns NULL */
void *calloc_or_fail(size_t cnt, size_t bytes, char *fun_name);
/* Attempt to call realloc. Fail when returns NULL */
void *realloc_or_fail(void *old,
size_t old_bytes,
size_t new_bytes,
char *fun_name);
/* Attempt to save string. Fail when malloc returns NULL */
char *strsave_or_fail(char *s, char *fun_name);
/* Free block, as from malloc, realloc, or strsave */
void free_block(void *b, size_t len);
/* Free array, as from calloc */
void free_array(void *b, size_t cnt, size_t bytes);
/* Free string saved by strsave_or_fail */
void free_string(char *s);
/* Report current allocation status */
void mem_status(FILE *fp);
/** Time measurement. **/
/* Time counted as fp number in seconds */
void init_time(double *timep);
/* Compute time since last call with this timer
and reset timer */
double delta_time(double *timep);
/** Memory usage **/
/* Number of bytes resident in physical memory */
size_t resident_bytes();
/* Convert bytes to gigabytes */
double gigabytes(size_t bytes);
/** Counters giving peak memory usage **/
/* Never resets */
size_t peak_bytes;
/* Resettable */
size_t last_peak_bytes;
/* Instantaneous */
size_t current_bytes;
/* Reset last_peak_bytes */
void reset_peak_bytes();
/* Change value of timeout */
void change_timeout(int oldval);
/* Handler for SIGTERM signals */
void sigterm_handler(int sig);