gsasl  1.10.0
About: GNU SASL is an implementation of the Simple Authentication and Security Layer (SASL). Development version.
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basename-lgpl.c
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1 /* basename.c -- return the last element in a file name
2 
3  Copyright (C) 1990, 1998-2001, 2003-2006, 2009-2021 Free Software
4  Foundation, Inc.
5 
6  This program is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation; either version 3 of the License, or
9  (at your option) any later version.
10 
11  This program is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with this program. If not, see <https://www.gnu.org/licenses/>. */
18 
19 #include <config.h>
20 
21 /* Specification. */
22 #include "basename-lgpl.h"
23 
24 #include <stdbool.h>
25 #include <string.h>
26 
27 #include "filename.h"
28 
29 char *
30 last_component (char const *name)
31 {
32  char const *base = name + FILE_SYSTEM_PREFIX_LEN (name);
33  char const *p;
34  bool last_was_slash = false;
35 
36  while (ISSLASH (*base))
37  base++;
38 
39  for (p = base; *p; p++)
40  {
41  if (ISSLASH (*p))
42  last_was_slash = true;
43  else if (last_was_slash)
44  {
45  base = p;
46  last_was_slash = false;
47  }
48  }
49 
50  return (char *) base;
51 }
52 
53 size_t
54 base_len (char const *name)
55 {
56  size_t len;
57  size_t prefix_len = FILE_SYSTEM_PREFIX_LEN (name);
58 
59  for (len = strlen (name); 1 < len && ISSLASH (name[len - 1]); len--)
60  continue;
61 
62  if (DOUBLE_SLASH_IS_DISTINCT_ROOT && len == 1
63  && ISSLASH (name[0]) && ISSLASH (name[1]) && ! name[2])
64  return 2;
65 
67  && len == prefix_len && ISSLASH (name[prefix_len]))
68  return prefix_len + 1;
69 
70  return len;
71 }
size_t base_len(char const *name)
Definition: basename-lgpl.c:54
char * last_component(char const *name)
Definition: basename-lgpl.c:30
#define DOUBLE_SLASH_IS_DISTINCT_ROOT
Definition: basename-lgpl.h:25
#define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE
Definition: filename.h:96
#define FILE_SYSTEM_PREFIX_LEN(Filename)
Definition: filename.h:95
#define ISSLASH(C)
Definition: filename.h:93
const char * name
Definition: error.c:43
const char * p
Definition: mbrtowc-impl.h:42