193 lines
4.2 KiB
C
193 lines
4.2 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#elif !defined alloca
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# ifdef __GNUC__
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# define alloca __builtin_alloca
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# elif defined _AIX
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# define alloca __alloca
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# elif defined _MSC_VER
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# include <malloc.h>
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# define alloca _alloca
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# elif !defined HAVE_ALLOCA
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# ifdef __cplusplus
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extern "C"
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# endif
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void *alloca (size_t);
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# endif
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "ecore_file_private.h"
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static Eina_List *__ecore_file_path_bin = NULL;
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static Eina_List *_ecore_file_path_from_env(const char *env);
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void
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ecore_file_path_init(void)
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{
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__ecore_file_path_bin = _ecore_file_path_from_env("PATH");
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}
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void
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ecore_file_path_shutdown(void)
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{
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char *dir;
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EINA_LIST_FREE(__ecore_file_path_bin, dir)
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eina_stringshare_del(dir);
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}
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Eina_List *
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_ecore_file_path_from_env(const char *env)
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{
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Eina_List *path = NULL;
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char *env_tmp, *env_path, *p, *last;
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env_tmp = getenv(env);
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if (!env_tmp)
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return path;
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env_path = alloca(sizeof(char) * strlen(env_tmp) + 1);
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memset(env_path, 0, strlen(env_tmp));
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strcpy(env_path, env_tmp);
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last = env_path;
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for (p = env_path; *p; p++)
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{
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if (*p == ':')
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*p = '\0';
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if (!*p)
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{
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if (!ecore_file_path_dir_exists(last))
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path = eina_list_append(path, eina_stringshare_add(last));
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last = p + 1;
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}
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}
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if (p > last)
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path = eina_list_append(path, eina_stringshare_add(last));
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return path;
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}
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/**
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* @addtogroup Ecore_File_Group Ecore_File - Files and directories convenience functions
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*
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* @{
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*/
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/**
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* @brief Check if the given directory is in PATH.
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*
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* @param in_dir The name of the directory to search in PATH.
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* @return @c EINA_TRUE if the directory exist in PATH, @c EINA_FALSE otherwise.
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*
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* This function checks if @p in_dir is in the environment variable
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* PATH. If @p in_dir is @c NULL, or if PATH is empty, or @p in_dir is
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* not in PATH, the function returns @c EINA_FALSE, otherwise it returns
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* @c EINA_TRUE.
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*/
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EAPI Eina_Bool
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ecore_file_path_dir_exists(const char *in_dir)
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{
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Eina_List *l;
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char *dir;
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if (!in_dir)
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return EINA_FALSE;
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if (!__ecore_file_path_bin) return EINA_FALSE;
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EINA_LIST_FOREACH(__ecore_file_path_bin, l, dir)
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{
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if (strcmp(dir, in_dir))
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return EINA_TRUE;
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}
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return EINA_FALSE;
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}
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/**
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* @brief Check if the given application is installed.
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*
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* @param exe The name of the application
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* @return @c EINA_TRUE if the @p exe is in PATH and is executable,
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* @c EINA_FALSE otherwise.
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*
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* This function checks if @p exe exists in PATH and is executable. If
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* @p exe is @c NULL or is not executable, the function returns
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* @c EINA_FALSE, otherwise it returns @c EINA_TRUE.
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*/
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EAPI Eina_Bool
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ecore_file_app_installed(const char *exe)
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{
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Eina_List *l;
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char *dir;
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char buf[PATH_MAX];
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if (!exe) return EINA_FALSE;
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if (ecore_file_can_exec(exe)) return EINA_TRUE;
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EINA_LIST_FOREACH(__ecore_file_path_bin, l, dir)
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{
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snprintf(buf, sizeof(buf), "%s/%s", dir, exe);
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if (ecore_file_can_exec(buf))
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return EINA_TRUE;
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}
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return EINA_FALSE;
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}
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/**
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* @brief Get a list of all the applications installed on the system.
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*
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* @return An Eina_List containing all the executable files in the
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* system.
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*
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* This function returns a list of allocated strings of all the
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* executable files. If no files are found, the function returns
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* @c NULL. When not needed anymore, the element of the list must be
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* freed.
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*/
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EAPI Eina_List *
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ecore_file_app_list(void)
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{
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Eina_List *list = NULL;
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Eina_List *files;
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Eina_List *l;
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char buf[PATH_MAX], *dir, *exe;
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EINA_LIST_FOREACH(__ecore_file_path_bin, l, dir)
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{
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files = ecore_file_ls(dir);
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EINA_LIST_FREE(files, exe)
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{
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snprintf(buf, sizeof(buf), "%s/%s", dir, exe);
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if ((ecore_file_can_exec(buf)) &&
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(!ecore_file_is_dir(buf)))
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list = eina_list_append(list, strdup(buf));
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free(exe);
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}
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}
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return list;
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}
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/**
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* @}
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*/
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