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-rw-r--r--libbb/get_last_path_component.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/libbb/get_last_path_component.c b/libbb/get_last_path_component.c
index 04fdf2a3e..46a87d7fc 100644
--- a/libbb/get_last_path_component.c
+++ b/libbb/get_last_path_component.c
@@ -10,12 +10,34 @@
10 10
11const char* FAST_FUNC bb_basename(const char *name) 11const char* FAST_FUNC bb_basename(const char *name)
12{ 12{
13#if ENABLE_PLATFORM_MINGW32
14 const char *cp;
15 for (cp = name; *cp; cp++)
16 if (*cp == '/' || *cp == '\\' || *cp == ':')
17 name = cp + 1;
18#else
13 const char *cp = strrchr(name, '/'); 19 const char *cp = strrchr(name, '/');
14 if (cp) 20 if (cp)
15 return cp + 1; 21 return cp + 1;
22#endif
16 return name; 23 return name;
17} 24}
18 25
26#if ENABLE_PLATFORM_MINGW32
27char * FAST_FUNC get_last_slash(const char *path)
28{
29 const char *start = path + root_len(path);
30 char *slash = strrchr(start, '/');
31 char *bslash = strrchr(start, '\\');
32
33 if (slash && bslash)
34 slash = MAX(slash, bslash);
35 else if (!slash)
36 slash = bslash;
37 return slash;
38}
39#endif
40
19/* 41/*
20 * "/" -> "/" 42 * "/" -> "/"
21 * "abc" -> "abc" 43 * "abc" -> "abc"
@@ -24,10 +46,20 @@ const char* FAST_FUNC bb_basename(const char *name)
24 */ 46 */
25char* FAST_FUNC bb_get_last_path_component_nostrip(const char *path) 47char* FAST_FUNC bb_get_last_path_component_nostrip(const char *path)
26{ 48{
49#if ENABLE_PLATFORM_MINGW32
50 const char *start = path + root_len(path);
51 char *slash = get_last_slash(path);
52
53 if (!slash && has_dos_drive_prefix(path) && path[2] != '\0')
54 return (char *)path + 2;
55 if (!slash || (slash == start && !slash[1]))
56 return (char*)path;
57#else
27 char *slash = strrchr(path, '/'); 58 char *slash = strrchr(path, '/');
28 59
29 if (!slash || (slash == path && !slash[1])) 60 if (!slash || (slash == path && !slash[1]))
30 return (char*)path; 61 return (char*)path;
62#endif
31 63
32 return slash + 1; 64 return slash + 1;
33} 65}
@@ -40,11 +72,20 @@ char* FAST_FUNC bb_get_last_path_component_nostrip(const char *path)
40 */ 72 */
41char* FAST_FUNC bb_get_last_path_component_strip(char *path) 73char* FAST_FUNC bb_get_last_path_component_strip(char *path)
42{ 74{
75#if ENABLE_PLATFORM_MINGW32
76 char *slash = last_char_is_dir_sep(path);
77 const char *start = has_dos_drive_prefix(path) ? path+2 : path;
78
79 if (slash)
80 while (is_dir_sep(*slash) && slash != start)
81 *slash-- = '\0';
82#else
43 char *slash = last_char_is(path, '/'); 83 char *slash = last_char_is(path, '/');
44 84
45 if (slash) 85 if (slash)
46 while (*slash == '/' && slash != path) 86 while (*slash == '/' && slash != path)
47 *slash-- = '\0'; 87 *slash-- = '\0';
88#endif
48 89
49 return bb_get_last_path_component_nostrip(path); 90 return bb_get_last_path_component_nostrip(path);
50} 91}