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
  24GLOBALS(
  25  char *t, *p;
  26)
  27
  28void log_main(void)
  29{
  30  android_LogPriority pri = ANDROID_LOG_INFO;
  31  char *s = toybuf;
  32  int i;
  33
  34  if (TT.p) {
  35    i = stridx("defisvw", tolower(*TT.p));
  36    if (i==-1 || strlen(TT.p)!=1) error_exit("bad -p '%s'", TT.p);
  37    pri = (android_LogPriority []){ANDROID_LOG_DEBUG, ANDROID_LOG_ERROR,
  38      ANDROID_LOG_FATAL, ANDROID_LOG_INFO, ANDROID_LOG_SILENT,
  39      ANDROID_LOG_VERBOSE, ANDROID_LOG_WARN}[i];
  40  }
  41  if (!TT.t) TT.t = "log";
  42
  43  for (i = 0; toys.optargs[i]; i++) {
  44    if (i) *s++ = ' ';
  45    if ((s-toybuf)+strlen(toys.optargs[i])>=1024) {
  46      memcpy(s, toys.optargs[i], 1024-(s-toybuf));
  47      toybuf[1024] = 0;
  48      error_msg("log cut at 1024 bytes");
  49
  50      break;
  51    }
  52    s = stpcpy(s, toys.optargs[i]);
  53  }
  54
  55  __android_log_write(pri, TT.t, toybuf);
  56}
  57