This file is indexed.

/usr/include/ETL/_stringf.h is in etl-dev 1.2.1-0.1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
/* =========================================================================
** Extended Template and Library
** stringf Procedure Implementation
** $Id$
**
** Copyright (c) 2002 Robert B. Quattlebaum Jr.
** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
** published by the Free Software Foundation; either version 2 of
** the License, or (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
** General Public License for more details.
**
** === N O T E S ===========================================================
**
** This is an internal header file, included by other ETL headers.
** You should not attempt to use it directly.
**
** ========================================================================= */

/* === S T A R T =========================================================== */

#ifndef __ETL__STRINGF_H
#define __ETL__STRINGF_H

/* === H E A D E R S ======================================================= */

#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif

#include <string>
#include <cstdarg>
#include <cstdlib>
#include <cstdio>

/* === M A C R O S ========================================================= */

#ifndef ETL_STRPRINTF_MAX_LENGTH
#define ETL_STRPRINTF_MAX_LENGTH	(800)
#endif

#ifdef _WIN32
#define POPEN_BINARY_READ_TYPE "rb"
#define POPEN_BINARY_WRITE_TYPE "wb"
#else
#define POPEN_BINARY_READ_TYPE "r"
#define POPEN_BINARY_WRITE_TYPE "w"
#endif

/* === T Y P E D E F S ===================================================== */

_ETL_BEGIN_CDECLS

#if defined(__APPLE__) || defined(__CYGWIN__) || defined(_WIN32)
#define ETL_NO_THROW
#else
#define ETL_NO_THROW throw()
#endif

// Prefer prototypes from glibc headers, since defining them ourselves
// works around glibc security mechanisms

#ifdef HAVE_VASPRINTF	// This is the preferred method
 #ifndef __GLIBC__
  extern int vasprintf(char **,const char *,va_list)ETL_NO_THROW;
 #endif
#else

# ifdef HAVE_VSNPRINTF	// This is the secondary method
 #ifndef __GLIBC__
  extern int vsnprintf(char *,size_t,const char*,va_list)ETL_NO_THROW;
 #endif
# endif

#endif

#ifdef HAVE_VSSCANF
 #ifndef __GLIBC__
  #ifndef _WIN32
   extern int vsscanf(const char *,const char *,va_list)ETL_NO_THROW;
  #endif
 #endif
#else
#define ETL_NO_VSTRSCANF
#ifdef HAVE_SSCANF
 #ifndef __GLIBC__
  extern int sscanf(const char *buf, const char *format, ...)ETL_NO_THROW;
 #endif
#endif
#endif

#include <unistd.h>

_ETL_END_CDECLS

/* === C L A S S E S & S T R U C T S ======================================= */

_ETL_BEGIN_NAMESPACE

inline std::string
vstrprintf(const char *format, va_list args)
{
#ifdef HAVE_VASPRINTF	// This is the preferred method (and safest)
	char *buffer;
	std::string ret;
	int i=vasprintf(&buffer,format,args);
	if (i>-1)
	{
		ret=buffer;
		free(buffer);
	}
	return ret;
#else
#ifdef HAVE_VSNPRINTF	// This is the secondary method (Safe, but bulky)
#warning etl::vstrprintf() has a maximum size of ETL_STRPRINTF_MAX_LENGTH in this configuration.
#ifdef ETL_THREAD_SAFE
	char buffer[ETL_STRPRINTF_MAX_LENGTH];
#else
	static char buffer[ETL_STRPRINTF_MAX_LENGTH];
#endif
	vsnprintf(buffer,sizeof(buffer),format,args);
	return buffer;
#else					// This is the worst method (UNSAFE, but "works")
#warning Potential for Buffer-overflow bug using vsprintf
#define ETL_UNSAFE_STRPRINTF	(true)
// Here, we are doubling the size of the buffer to make this case
// slightly more safe.
#ifdef ETL_THREAD_SAFE
	char buffer[ETL_STRPRINTF_MAX_LENGTH*2];
#else
	static char buffer[ETL_STRPRINTF_MAX_LENGTH*2];
#endif
	vsprintf(buffer,format,args);
	return buffer;
#endif
#endif
}

inline std::string
strprintf(const char *format, ...)
{
	va_list args;
	va_start(args,format);
	return vstrprintf(format,args);
}

#ifndef ETL_NO_VSTRSCANF
inline int
vstrscanf(const std::string &data, const char*format, va_list args)
{
    return vsscanf(data.c_str(),format,args);
}

inline int
strscanf(const std::string &data, const char*format, ...)
{
	va_list args;
	va_start(args,format);
	return vstrscanf(data, format,args);
}
#else

/* #if defined (HAVE_SSCANF) && defined (__GNUC__) */
#define strscanf(data,format,...) sscanf(data.c_str(),format,__VA_ARGS__)
/* #endif */
#endif


#define stratof(X) (atof((X).c_str()))
#define stratoi(X) (atoi((X).c_str()))

inline bool is_separator(char c)
{
	return c == ETL_DIRECTORY_SEPARATOR0 || c == ETL_DIRECTORY_SEPARATOR1;
}

inline std::string
basename(const std::string &str)
{
	std::string::const_iterator iter;

	if(str.empty())
		return std::string();

	if(str.size() == 1 && is_separator(str[0]))
		return str;

	if(is_separator((&*str.end())[-1]))
		iter=str.end()-2;
	else
		iter=str.end()-1;

	for(;iter!=str.begin();iter--)
		if(is_separator(*iter))
			break;

	if (is_separator(*iter))
		iter++;

	if(is_separator((&*str.end())[-1]))
		return std::string(iter,str.end()-1);

	return std::string(iter,str.end());
}

inline std::string
dirname(const std::string &str)
{
	std::string::const_iterator iter;

	if(str.empty())
		return std::string();

	if(str.size() == 1 && is_separator(str[0]))
		return str;

	if(is_separator((&*str.end())[-1]))
		iter=str.end()-2;
	else
		iter=str.end()-1;

	for(;iter!=str.begin();iter--)
		if(is_separator(*iter))
			break;

	if(iter==str.begin())
	{
	   if (is_separator(*iter))
		   return std::string() + ETL_DIRECTORY_SEPARATOR;
	   else
		   return ".";
	}

	return std::string(str.begin(),iter);
}

// filename_extension("/f.e/d.c") => ".c"
inline std::string
filename_extension(const std::string &str)
{
	std::string base = basename(str);
	std::string::size_type pos = base.find_last_of('.');
	if (pos == std::string::npos) return std::string();
	return base.substr(pos);
}

// filename_sans_extension("/f.e/d.c") => "/f.e/d"
inline std::string
filename_sans_extension(const std::string &str)
{
	std::string base = basename(str);
	std::string::size_type pos = base.find_last_of('.');
	if (pos == std::string::npos) return str;
	std::string dir = dirname(str);
	if (dir == ".") return base.substr(0,pos);
	return dir + ETL_DIRECTORY_SEPARATOR + base.substr(0,pos);
}

inline bool
is_absolute_path(const std::string &path)
{
#ifdef _WIN32
	if(path.size()>=3 && path[1]==':' && is_separator(path[2]))
		return true;
#endif
	if(!path.empty() && is_separator(path[0]))
		return true;
	return false;
}

inline std::string
unix_to_local_path(const std::string &path)
{
	std::string ret;
	std::string::const_iterator iter;
	for(iter=path.begin();iter!=path.end();iter++)
		if (is_separator(*iter))
			ret+=ETL_DIRECTORY_SEPARATOR;
		else
		switch(*iter)
		{
		case '~':
			ret+='~';
			break;
		default:
			ret+=*iter;
			break;
		}
	return ret;
}

inline std::string
current_working_directory()
{
	char dir[256];
	// TODO: current_working_directory() should use Glib::locale_to_utf8()
	std::string ret(getcwd(dir,sizeof(dir)));
	return ret;
}

inline std::string
get_root_from_path(std::string path)
{
	std::string ret;
	std::string::const_iterator iter;

	for(iter=path.begin();iter!=path.end();++iter)
	{
		if(is_separator(*iter))
			break;
		ret+=*iter;
	}
	//if(iter!=path.end())
		ret+=ETL_DIRECTORY_SEPARATOR;
	return ret;
}

inline std::string
remove_root_from_path(std::string path)
{
	while(!path.empty())
	{
		if(is_separator(path[0]))
		{
			path.erase(path.begin());
			return path;
		}
		path.erase(path.begin());
	}
	return path;
}

inline std::string
cleanup_path(std::string path)
{
    std::string ret;

    // remove '.'
    for(int i = 0; i < (int)path.size();)
    {
        if ( path[i] == '.'
          && (i-1 <  0                || is_separator(path[i-1]))
          && (i+1 >= (int)path.size() || is_separator(path[i+1])) )
        {
        	path.erase(i, i+1 < (int)path.size() ? 2 : 1);
        } else {
        	++i;
        }
    }

    // remove double separators
    for(int i = 0; i < (int)path.size()-1;)
        if ( is_separator(path[i]) && is_separator(path[i+1]) )
        	path.erase(i+1, 1); else ++i;

    // solve '..'
    for(int i = 0; i < (int)path.size()-3;)
    {
        if ( is_separator(path[i])
          && path[i+1] == '.'
          && path[i+2] == '.'
          && (i+3 >= (int)path.size() || is_separator(path[i+3])) )
        {
            // case "/../some/path", remove "../"
			if (i == 0) {
				path.erase(i+1, i+3 >= (int)path.size() ? 2 : 3);
			}
			else
            // case "../../some/path", skip
			if ( i-2 >= 0
			  && path[i-1] == '.'
			  && path[i-2] == '.'
			  && (i-3 < 0 || is_separator(path[i-3])) )
			{
				++i;
			}
			// case "some/thing/../some/path", remove "thing/../"
			else
			{
				// so now we have:
				// i > 0, see first case,
				// path[i-1] is not a separator (double separators removed already),
				// so path[i-1] is part of valid directory entry,
				// also is not a special entry ('.' or '..'), see previous case and stage "remove '.'"
				size_t pos = path.find_last_of(ETL_DIRECTORY_SEPARATORS, i-1);
				if (pos == std::string::npos) {
					path.erase(0, i+3 >= (int)path.size() ? i+3 : i+4);
					i = 0;
				}
				else
				{
					path.erase(pos + 1, (i+3 >= (int)path.size() ? i+3 : i+4) - (int)pos - 1);
					i = (int)pos;
				}
			}
        }
        else
        {
        	++i;
        }
    }

    // remove separator from end of path
    if (path.size() > 1u && is_separator(path[path.size() - 1]))
    	path.erase(path.size() - 1, 1);

    return path;
}

inline std::string
absolute_path(std::string curr_path, std::string path)
{
	std::string ret(curr_path);
	if(path.empty())
		return cleanup_path(ret);
	if(is_absolute_path(path))
		return cleanup_path(path);
	return cleanup_path(ret+ETL_DIRECTORY_SEPARATOR+path);
}

inline std::string
absolute_path(std::string path)
	{ return absolute_path(current_working_directory(), path); }

inline std::string
relative_path(std::string curr_path,std::string dest_path)
{
	// If dest_path is already a relative path,
	// then there is no need to do anything.
	if(!is_absolute_path(dest_path))
		dest_path=absolute_path(dest_path);
	else
		dest_path=cleanup_path(dest_path);

	if(!is_absolute_path(curr_path))
		curr_path=absolute_path(curr_path);
	else
		curr_path=cleanup_path(curr_path);

#ifdef _WIN32
	// If we are on windows and the dest path is on a different drive,
	// then there is no way to make a relative path to it.
	if(dest_path.size()>=3 && dest_path[1]==':' && dest_path[0]!=curr_path[0])
		return dest_path;
#endif

	if(curr_path==dirname(dest_path))
		return basename(dest_path);

	while(!dest_path.empty() && !curr_path.empty() && get_root_from_path(dest_path)==get_root_from_path(curr_path))
	{
		dest_path=remove_root_from_path(dest_path);
		curr_path=remove_root_from_path(curr_path);
	}

	while(!curr_path.empty())
	{
		dest_path=std::string("..")+ETL_DIRECTORY_SEPARATOR+dest_path;
		curr_path=remove_root_from_path(curr_path);
	}

	return dest_path;
}

inline std::string
relative_path(std::string path)
	{ return relative_path(current_working_directory(), path); }

inline std::string
solve_relative_path(std::string curr_path,std::string dest_path)
{
	if(is_absolute_path(dest_path))
		return cleanup_path(dest_path);
	if(dest_path.empty())
		return cleanup_path(curr_path);
	return cleanup_path(curr_path + ETL_DIRECTORY_SEPARATOR + dest_path);
}


_ETL_END_NAMESPACE

/* === E N D =============================================================== */

#endif