diff options
Diffstat (limited to '')
-rw-r--r-- | libraries/ecore/src/lib/ecore_file/ecore_file_path.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/libraries/ecore/src/lib/ecore_file/ecore_file_path.c b/libraries/ecore/src/lib/ecore_file/ecore_file_path.c new file mode 100644 index 0000000..ade3bc6 --- /dev/null +++ b/libraries/ecore/src/lib/ecore_file/ecore_file_path.c | |||
@@ -0,0 +1,184 @@ | |||
1 | #ifdef HAVE_CONFIG_H | ||
2 | # include <config.h> | ||
3 | #endif | ||
4 | |||
5 | #undef alloca | ||
6 | #ifdef HAVE_ALLOCA_H | ||
7 | # include <alloca.h> | ||
8 | #elif defined __GNUC__ | ||
9 | # define alloca __builtin_alloca | ||
10 | #elif defined _AIX | ||
11 | # define alloca __alloca | ||
12 | #elif defined _MSC_VER | ||
13 | # include <malloc.h> | ||
14 | # define alloca _alloca | ||
15 | #else | ||
16 | # include <stddef.h> | ||
17 | # ifdef __cplusplus | ||
18 | extern "C" | ||
19 | # endif | ||
20 | void *alloca (size_t); | ||
21 | #endif | ||
22 | |||
23 | #include <stdio.h> | ||
24 | #include <string.h> | ||
25 | |||
26 | #include "ecore_file_private.h" | ||
27 | |||
28 | static Eina_List *__ecore_file_path_bin = NULL; | ||
29 | |||
30 | static Eina_List *_ecore_file_path_from_env(const char *env); | ||
31 | |||
32 | void | ||
33 | ecore_file_path_init(void) | ||
34 | { | ||
35 | __ecore_file_path_bin = _ecore_file_path_from_env("PATH"); | ||
36 | } | ||
37 | |||
38 | void | ||
39 | ecore_file_path_shutdown(void) | ||
40 | { | ||
41 | char *dir; | ||
42 | |||
43 | EINA_LIST_FREE(__ecore_file_path_bin, dir) | ||
44 | eina_stringshare_del(dir); | ||
45 | } | ||
46 | |||
47 | Eina_List * | ||
48 | _ecore_file_path_from_env(const char *env) | ||
49 | { | ||
50 | Eina_List *path = NULL; | ||
51 | char *env_tmp, *env_path, *p, *last; | ||
52 | |||
53 | env_tmp = getenv(env); | ||
54 | if (!env_tmp) | ||
55 | return path; | ||
56 | |||
57 | env_path = alloca(sizeof(char) * strlen(env_tmp) + 1); | ||
58 | memset(env_path, 0, strlen(env_tmp)); | ||
59 | strcpy(env_path, env_tmp); | ||
60 | last = env_path; | ||
61 | for (p = env_path; *p; p++) | ||
62 | { | ||
63 | if (*p == ':') | ||
64 | *p = '\0'; | ||
65 | |||
66 | if (!*p) | ||
67 | { | ||
68 | if (!ecore_file_path_dir_exists(last)) | ||
69 | path = eina_list_append(path, eina_stringshare_add(last)); | ||
70 | last = p + 1; | ||
71 | } | ||
72 | } | ||
73 | if (p > last) | ||
74 | path = eina_list_append(path, eina_stringshare_add(last)); | ||
75 | |||
76 | return path; | ||
77 | } | ||
78 | |||
79 | /** | ||
80 | * @addtogroup Ecore_File_Group Ecore_File - Files and directories convenience functions | ||
81 | * | ||
82 | * @{ | ||
83 | */ | ||
84 | |||
85 | /** | ||
86 | * @brief Check if the given directory is in PATH. | ||
87 | * | ||
88 | * @param The name of the directory to search in PATH. | ||
89 | * @return EINA_TRUE if the directory exist in PATH, EINA_FALSE otherwise. | ||
90 | * | ||
91 | * This function checks if @p in_dir is in the environment variable | ||
92 | * PATH. If @p in_dir is @c NULL, or if PATH is empty, or @p in_dir is | ||
93 | * not in PATH, the function returns EINA_FALSE, otherwise it returns | ||
94 | * EINA_TRUE. | ||
95 | */ | ||
96 | EAPI Eina_Bool | ||
97 | ecore_file_path_dir_exists(const char *in_dir) | ||
98 | { | ||
99 | Eina_List *l; | ||
100 | char *dir; | ||
101 | |||
102 | if (!in_dir) | ||
103 | return EINA_FALSE; | ||
104 | |||
105 | if (!__ecore_file_path_bin) return EINA_FALSE; | ||
106 | EINA_LIST_FOREACH(__ecore_file_path_bin, l, dir) | ||
107 | { | ||
108 | if (strcmp(dir, in_dir)) | ||
109 | return EINA_TRUE; | ||
110 | } | ||
111 | |||
112 | return EINA_FALSE; | ||
113 | } | ||
114 | |||
115 | /** | ||
116 | * @brief Check if the given application is installed. | ||
117 | * | ||
118 | * @param exe The name of the application | ||
119 | * @return EINA_TRUE if the exe is in PATH and is executable, | ||
120 | * EINA_FALSE otherwise. | ||
121 | * | ||
122 | * | ||
123 | * This function checks if @p exe exists in PATH and is executable. If | ||
124 | * @p exe is @c NULL or is not executable, the function returns | ||
125 | * EINA_FALSE, otherwise it returns EINA_TRUE. | ||
126 | */ | ||
127 | EAPI Eina_Bool | ||
128 | ecore_file_app_installed(const char *exe) | ||
129 | { | ||
130 | Eina_List *l; | ||
131 | char *dir; | ||
132 | char buf[PATH_MAX]; | ||
133 | |||
134 | if (!exe) return EINA_FALSE; | ||
135 | if (ecore_file_can_exec(exe)) return EINA_TRUE; | ||
136 | |||
137 | EINA_LIST_FOREACH(__ecore_file_path_bin, l, dir) | ||
138 | { | ||
139 | snprintf(buf, sizeof(buf), "%s/%s", dir, exe); | ||
140 | if (ecore_file_can_exec(buf)) | ||
141 | return EINA_TRUE; | ||
142 | } | ||
143 | |||
144 | return EINA_FALSE; | ||
145 | } | ||
146 | |||
147 | /** | ||
148 | * @brief Get a list of all the applications installed on the system. | ||
149 | * | ||
150 | * @return An Eina_List containing all the executable files in the | ||
151 | * system. | ||
152 | * | ||
153 | * This function returns a list of allocated strings of all the | ||
154 | * executable files. If no files are found, the function returns | ||
155 | * @c NULL. When not needed anymore, the element of the list must be | ||
156 | * freed. | ||
157 | */ | ||
158 | EAPI Eina_List * | ||
159 | ecore_file_app_list(void) | ||
160 | { | ||
161 | Eina_List *list = NULL; | ||
162 | Eina_List *files; | ||
163 | Eina_List *l; | ||
164 | char buf[PATH_MAX], *dir, *exe; | ||
165 | |||
166 | EINA_LIST_FOREACH(__ecore_file_path_bin, l, dir) | ||
167 | { | ||
168 | files = ecore_file_ls(dir); | ||
169 | EINA_LIST_FREE(files, exe) | ||
170 | { | ||
171 | snprintf(buf, sizeof(buf), "%s/%s", dir, exe); | ||
172 | if ((ecore_file_can_exec(buf)) && | ||
173 | (!ecore_file_is_dir(buf))) | ||
174 | list = eina_list_append(list, strdup(buf)); | ||
175 | free(exe); | ||
176 | } | ||
177 | } | ||
178 | |||
179 | return list; | ||
180 | } | ||
181 | |||
182 | /** | ||
183 | * @} | ||
184 | */ | ||