1  /*
       2   * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
       3   * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
       4   * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
       5   * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
       6   * Copyright (c) 2005-2018 Dmitry V. Levin <ldv@strace.io>
       7   * Copyright (c) 2016-2021 The strace developers.
       8   * All rights reserved.
       9   *
      10   * SPDX-License-Identifier: GPL-2.0-or-later
      11   */
      12  
      13  #include "tests.h"
      14  #include "xlat.h"
      15  #include <stdio.h>
      16  
      17  #if !XLAT_RAW
      18  static const char *
      19  lookup_xlat(const struct xlat *xlat, unsigned long long val)
      20  {
      21  	const struct xlat_data *xd = xlat->data;
      22  
      23  	for (size_t i = 0; i < xlat->size; i++, xd++) {
      24  		if (!xd->str)
      25  			continue;
      26  
      27  		if (xd->val == val) {
      28  			return xd->str;
      29  		}
      30  	}
      31  
      32  	return NULL;
      33  }
      34  #endif
      35  
      36  int
      37  XLAT_NAME(printxval)(const struct xlat *xlat, unsigned long long val,
      38  		     const char *const dflt)
      39  {
      40  #if XLAT_RAW
      41  	printf("%#llx", val);
      42  
      43  	return 1;
      44  #else
      45  	const char *str = lookup_xlat(xlat, val);
      46  
      47  # if XLAT_VERBOSE
      48  	printf("%#llx", val);
      49  	if (str || dflt)
      50  		printf(" /* %s */", str ?: dflt);
      51  # else
      52  	if (str) {
      53  		fputs(str, stdout);
      54  	} else {
      55  		printf("%#llx", val);
      56  		if (dflt)
      57  			printf(" /* %s */", dflt);
      58  	}
      59  # endif /* XLAT_VERBOSE */
      60  
      61  	return !!str;
      62  #endif /* XLAT_RAW */
      63  }
      64  
      65  const char *
      66  XLAT_NAME(sprintxlat)(const char *str, unsigned long long val,
      67  		      const char *const dflt)
      68  {
      69  	static char buf[256];
      70  
      71  #if XLAT_RAW
      72  	snprintf(buf, sizeof(buf), "%#llx", val);
      73  #elif XLAT_VERBOSE
      74  	if (str || dflt)
      75  		snprintf(buf, sizeof(buf), "%#llx /* %s */", val, str ?: dflt);
      76  	else
      77  		snprintf(buf, sizeof(buf), "%#llx", val);
      78  #else
      79  	if (str)
      80  		return str;
      81  
      82  	if (dflt)
      83  		snprintf(buf, sizeof(buf), "%#llx /* %s */", val, dflt);
      84  	else
      85  		snprintf(buf, sizeof(buf), "%#llx", val);
      86  #endif
      87  
      88  	return buf;
      89  }
      90  
      91  const char *
      92  XLAT_NAME(sprintxval)(const struct xlat *xlat, unsigned long long val,
      93  		      const char *const dflt)
      94  {
      95  #if XLAT_RAW
      96  	return sprintxlat(NULL, val, dflt);
      97  #else
      98  	return sprintxlat(lookup_xlat(xlat, val), val, dflt);
      99  #endif
     100  }