/src/harfbuzz/src/hb-number.cc

Source (jump to first uncovered line)
/*
 * Copyright © 2019  Ebrahim Byagowi
 *
 *  This is part of HarfBuzz, a text shaping library.
 *
 * Permission is hereby granted, without written agreement and without
 * license or royalty fees, to use, copy, modify, and distribute this
 * software and its documentation for any purpose, provided that the
 * above copyright notice and the following two paragraphs appear in
 * all copies of this software.
 *
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 *
 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 *
 */

#include "hb.hh"
#include "hb-number.hh"
#include "hb-number-parser.hh"

template<typename T, typename Func>
static bool
_parse_number (const char **pp, const char *end, T *pv,
         bool whole_buffer, Func f)
{
  char buf[32];
  unsigned len = hb_min (ARRAY_LENGTH (buf) - 1, (unsigned) (end - *pp));
  strncpy (buf, *pp, len);
  buf[len] = '\0';

  char *p = buf;
  char *pend = p;

  errno = 0;
  *pv = f (p, &pend);
  if (unlikely (errno || p == pend ||
    /* Check if consumed whole buffer if is requested */
    (whole_buffer && pend - p != end - *pp)))
    return false;

  *pp += pend - p;
  return true;
}

bool
hb_parse_int (const char **pp, const char *end, int *pv, bool whole_buffer)
{
  return _parse_number<int> (pp, end, pv, whole_buffer,
           [] (const char *p, char **end)
           { return strtol (p, end, 10); });
}

bool
hb_parse_uint (const char **pp, const char *end, unsigned *pv,
         bool whole_buffer, int base)
{
  return _parse_number<unsigned> (pp, end, pv, whole_buffer,
          [base] (const char *p, char **end)
          { return strtoul (p, end, base); });
}

bool
hb_parse_double (const char **pp, const char *end, double *pv, bool whole_buffer)
{
  const char *pend = end;
  *pv = strtod_rl (*pp, &pend);
  if (unlikely (*pp == pend)) return false;
  *pp = pend;
  return !whole_buffer || end == pend;
}

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright © 2019 Ebrahim Byagowi
3		*
4		* This is part of HarfBuzz, a text shaping library.
5		*
6		* Permission is hereby granted, without written agreement and without
7		* license or royalty fees, to use, copy, modify, and distribute this
8		* software and its documentation for any purpose, provided that the
9		* above copyright notice and the following two paragraphs appear in
10		* all copies of this software.
11		*
12		* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
13		* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
14		* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
15		* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
16		* DAMAGE.
17		*
18		* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
19		* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20		* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
21		* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
22		* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
23		*
24		*/
25
26		#include "hb.hh"
27		#include "hb-number.hh"
28		#include "hb-number-parser.hh"
29
30		template<typename T, typename Func>
31		static bool
32		_parse_number (const char *pp, const char end, T *pv,
33		bool whole_buffer, Func f)
34	0	{
35	0	char buf[32];
36	0	unsigned len = hb_min (ARRAY_LENGTH (buf) - 1, (unsigned) (end - *pp));
37	0	strncpy (buf, *pp, len);
38	0	buf[len] = '\0';
39
40	0	char *p = buf;
41	0	char *pend = p;
42
43	0	errno = 0;
44	0	*pv = f (p, &pend);
45	0	if (unlikely (errno \|\| p == pend \|\|
46		/* Check if consumed whole buffer if is requested */
47	0	(whole_buffer && pend - p != end - *pp)))
48	0	return false;
49
50	0	*pp += pend - p;
51	0	return true;
52	0	} Unexecuted instantiation: hb-number.cc:bool _parse_number<int, hb_parse_int(char const*, char const, int, bool)::$_4>(char const, char const, int, bool, hb_parse_int(char const, char const, int, bool)::$_4) Unexecuted instantiation: hb-number.cc:bool _parse_number<unsigned int, hb_parse_uint(char const, char const, unsigned int, bool, int)::$_5>(char const, char const, unsigned int, bool, hb_parse_uint(char const, char const, unsigned int*, bool, int)::$_5)
53
54		bool
55		hb_parse_int (const char *pp, const char end, int *pv, bool whole_buffer)
56	0	{
57	0	return _parse_number<int> (pp, end, pv, whole_buffer,
58	0	[] (const char p, char *end)
59	0	{ return strtol (p, end, 10); });
60	0	}
61
62		bool
63		hb_parse_uint (const char *pp, const char end, unsigned *pv,
64		bool whole_buffer, int base)
65	0	{
66	0	return _parse_number<unsigned> (pp, end, pv, whole_buffer,
67	0	[base] (const char p, char *end)
68	0	{ return strtoul (p, end, base); });
69	0	}
70
71		bool
72		hb_parse_double (const char *pp, const char end, double *pv, bool whole_buffer)
73	70.2k	{
74	70.2k	const char *pend = end;
75	70.2k	pv = strtod_rl (pp, &pend);
76	70.2k	if (unlikely (*pp == pend)) return false;
77	70.1k	*pp = pend;
78	70.1k	return !whole_buffer \|\| end == pend;
79	70.2k	}

Coverage Report

Created: 2024-06-09 05:15