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#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <sys/resource.h>
#include <time.h>
#define SECOND 1000000000ul
static struct timespec time_diff(
struct timespec cur,
struct timespec old);
static int indent = 0;
static void print_indent(FILE *file)
{
for (int i = 0; i < indent; i++) {
fprintf(file, "\t");
}
}
void log_indent(void)
{
indent++;
}
void log_unindent(void)
{
if (indent > 0) {
indent--;
}
}
void log_error(const char *const fmt, ...)
{
va_list args;
va_start(args, fmt);
fprintf(stderr, "[ERROR]: ");
vfprintf(stderr, fmt, args);
va_end(args);
}
void log_warning(const char *const fmt, ...)
{
va_list args;
va_start(args, fmt);
fprintf(stderr, "[WARNING]: ");
print_indent(stderr);
vfprintf(stderr, fmt, args);
va_end(args);
}
void log_debug(const char *const fmt, ...)
{
#ifndef DEBUG
//return;
#endif
static struct timespec start_time;
if (start_time.tv_nsec == 0) {
fprintf(stderr, "[ real, cpu, maxRSS]\n");
clock_gettime(CLOCK_REALTIME, &start_time);
}
struct timespec real_time;
struct timespec cpu_time;
clock_gettime(CLOCK_REALTIME, &real_time);
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &cpu_time);
real_time = time_diff(real_time, start_time);
struct rusage usage;
getrusage(RUSAGE_SELF, &usage);
va_list args;
va_start(args, fmt);
fprintf(
stderr,
"[%ld.%06ld, %ld.%06ld, %5ld KB][DEBUG]: ",
real_time.tv_sec,
real_time.tv_nsec / 1000,
cpu_time.tv_sec,
cpu_time.tv_nsec / 1000,
usage.ru_maxrss
);
print_indent(stderr);
vfprintf(stderr, fmt, args);
va_end(args);
}
void log_info(const char *const fmt, ...)
{
va_list args;
va_start(args, fmt);
fprintf(stderr, "[INFO]: ");
print_indent(stderr);
vfprintf(stderr, fmt, args);
va_end(args);
}
void log_append_error(const char *const fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
void log_append_warning(const char *const fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
void log_append_debug(const char *const fmt, ...)
{
#ifndef DEBUG
//return;
#endif
va_list args;
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
}
void log_append_info(const char *const fmt, ...)
{
va_list args;
va_start(args, fmt);
vprintf(fmt, args);
va_end(args);
}
struct timespec time_diff(struct timespec cur,
struct timespec old)
{
struct timespec diff;
diff.tv_sec = cur.tv_sec - old.tv_sec;
if (cur.tv_nsec > old.tv_nsec) {
diff.tv_nsec = cur.tv_nsec - old.tv_nsec;
} else {
diff.tv_nsec = SECOND + cur.tv_nsec - old.tv_nsec;
diff.tv_sec -= 1;
}
return diff;
}
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