LXR toybox/toys/android/log.c

   1/* log.c - Log to logcat.
   2 *
   3 * Copyright 2016 The Android Open Source Project
   4
   5USE_LOG(NEWTOY(log, "<1p:t:", TOYFLAG_USR|TOYFLAG_SBIN))
   6
   7config LOG
   8  bool "log"
   9  depends on TOYBOX_ON_ANDROID
  10  default y
  11  help
  12    usage: log [-p PRI] [-t TAG] MESSAGE...
  13
  14    Logs message to logcat.
  15
  16    -p  use the given priority instead of INFO:
  17        d: DEBUG  e: ERROR  f: FATAL  i: INFO  v: VERBOSE  w: WARN  s: SILENT
  18    -t  use the given tag instead of "log"
  19*/
  20
  21#define FOR_log
  22#include "toys.h"
  23#include <android/log.h>
  24
  25GLOBALS(
  26  char *tag;
  27  char *pri;
  28)
  29
  30void log_main(void)
  31{
  32  android_LogPriority pri = ANDROID_LOG_INFO;
  33  char *s = toybuf;
  34  int i;
  35
  36  if (TT.pri) {
  37    i = stridx("defisvw", tolower(*TT.pri));
  38    if (i==-1 || strlen(TT.pri)!=1) error_exit("bad -p '%s'", TT.pri);
  39    pri = (android_LogPriority []){ANDROID_LOG_DEBUG, ANDROID_LOG_ERROR,
  40      ANDROID_LOG_FATAL, ANDROID_LOG_INFO, ANDROID_LOG_SILENT,
  41      ANDROID_LOG_VERBOSE, ANDROID_LOG_WARN}[i];
  42  }
  43  if (!TT.tag) TT.tag = "log";
  44
  45  for (i = 0; toys.optargs[i]; i++) {
  46    if (i) *s++ = ' ';
  47    if ((s-toybuf)+strlen(toys.optargs[i])>=1024) {
  48      memcpy(s, toys.optargs[i], 1024-(s-toybuf));
  49      toybuf[1024] = 0;
  50      error_msg("log cut at 1024 bytes");
  51
  52      break;
  53    }
  54    s = stpcpy(s, toys.optargs[i]);
  55  }
  56
  57  __android_log_write(pri, TT.tag, toybuf);
  58}
  59