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#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include <unistd.h>
#include "log.h"
int logLevel = MESS_DEBUG;
static FILE * errorFile = NULL;
static FILE * messageFile = NULL;
int flags = 0;
void logSetLevel(int level) {
logLevel = level;
}
void logSetErrorFile(FILE * f) {
errorFile = f;
}
void logSetMessageFile(FILE * f) {
messageFile = f;
}
void logSetFlags(int newFlags) {
flags |= newFlags;
}
void logClearFlags(int newFlags) {
flags &= ~newFlags;
}
#if 0
void log(int fd, char * format, ...) {
int i = 0;
char * buf = NULL;
va_list args;
int size;
va_start(args, format);
do {
i += 1000;
if (buf) free(buf);
buf = malloc(i);
size = vsnprintf(buf, i, format, args);
} while (size >= i);
write(fd, buf, size);
free(buf);
va_end(args);
}
#endif
void message(int level, char * format, ...) {
va_list args;
FILE * where = NULL;
int showTime = 0;
if (errorFile == NULL)
errorFile = stderr;
if (messageFile == NULL)
messageFile = stderr;
where = errorFile;
if (level >= logLevel) {
va_start(args, format);
switch (level) {
case MESS_DEBUG:
where = messageFile;
showTime = 1;
break;
case MESS_NORMAL:
case MESS_VERBOSE:
where = messageFile;
break;
default:
if (flags & LOG_TIMES)
fprintf(where, "%ld: ", (long) time(NULL));
fprintf(errorFile, "error: ");
break;
}
if (showTime && (flags & LOG_TIMES)) {
fprintf(where, "%ld:", (long) time(NULL));
}
vfprintf(where, format, args);
fflush(where);
va_end(args);
if (level == MESS_FATAL) exit(1);
}
}
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