Magisk/native/jni/utils/logging.cpp

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#include <stdio.h>
#include <stdlib.h>
#include <android/log.h>
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#include <logging.hpp>
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#include <flags.h>
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int nop_log(const char *fmt, va_list ap) {
return 0;
}
void nop_ex(int i) {}
struct log_callback log_cb = {
.d = nop_log,
.i = nop_log,
.w = nop_log,
.e = nop_log,
.ex = nop_ex
};
void no_logging() {
log_cb.d = nop_log;
log_cb.i = nop_log;
log_cb.w = nop_log;
log_cb.e = nop_log;
log_cb.ex = nop_ex;
}
#define LOG_TAG "Magisk"
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[[maybe_unused]] static int log_d(const char *fmt, va_list ap) {
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return __android_log_vprint(ANDROID_LOG_DEBUG, LOG_TAG, fmt, ap);
}
static int log_i(const char *fmt, va_list ap) {
return __android_log_vprint(ANDROID_LOG_INFO, LOG_TAG, fmt, ap);
}
static int log_w(const char *fmt, va_list ap) {
return __android_log_vprint(ANDROID_LOG_WARN, LOG_TAG, fmt, ap);
}
static int log_e(const char *fmt, va_list ap) {
return __android_log_vprint(ANDROID_LOG_ERROR, LOG_TAG, fmt, ap);
}
void android_logging() {
#ifdef MAGISK_DEBUG
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log_cb.d = log_d;
#else
log_cb.d = nop_log;
#endif
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log_cb.i = log_i;
log_cb.w = log_w;
log_cb.e = log_e;
log_cb.ex = nop_ex;
}
static int vprinte(const char *fmt, va_list ap) {
return vfprintf(stderr, fmt, ap);
}
void cmdline_logging() {
log_cb.d = vprinte;
log_cb.i = vprintf;
log_cb.w = vprinte;
log_cb.e = vprinte;
log_cb.ex = exit;
}
int log_handler(log_type t, const char *fmt, ...) {
va_list argv;
int ret = 0;
va_start(argv, fmt);
switch (t) {
case L_DEBUG:
ret = log_cb.d(fmt, argv);
break;
case L_INFO:
ret = log_cb.i(fmt, argv);
break;
case L_WARN:
ret = log_cb.w(fmt, argv);
break;
case L_ERR:
ret = log_cb.e(fmt, argv);
log_cb.ex(1);
break;
}
va_end(argv);
return ret;
}