1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
#pragma once
#include <dispatch/dispatch.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#ifdef IB_LOG_TO_SYSLOG
#include <syslog.h>
#define ib_log(fmt, args...) syslog(LOG_ERR, IB_LOG_NAME ": " fmt, ##args)
#else
static FILE *logfp;
static void open_logfp_if_necessary() {
/* syslog() doesn't seem to work from launchd... */
static dispatch_once_t pred;
dispatch_once(&pred, ^{
char filename[128];
sprintf(filename, "/tmp/substitute-" IB_LOG_NAME "-log.%ld",
(long) getpid());
logfp = fopen(filename, "w");
if (!logfp) {
/* Ack... */
logfp = stderr;
}
});
}
#define ib_log(fmt, args...) do { \
open_logfp_if_necessary(); \
fprintf(logfp, fmt "\n", ##args); \
fflush(logfp); \
} while(0)
#endif
static inline void ib_log_hex(const void *buf, size_t size) {
const uint8_t *up = buf;
char *hex = malloc(2 * size + 1), *p = hex;
for (size_t i = 0; i < size; i++) {
sprintf(p, "%02x", up[i]);
p += 2;
}
ib_log("%s", hex);
free(hex);
}
#define IB_VERBOSE 1
|
