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