eina: add eina_file_mkdtemp and tests for Eina_File.

Test added for :
eina_file_direct_ls_simple
eina_file_ls_simple

Signed-off-by: Cedric BAIL <cedric.bail@samsung.com>

AUTHORS

@@ -47,6 +47,7 @@ Jérôme Pinot <ngc891@gmail.com>
 Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
 Patryk Kaczmarek <patryk.k@samsung.com>
 Igor Murzov <e-mail@date.by>
+Vladislav Brovko <v.brovko@samsung.com>
 
 Eet
 ---

src/lib/eina/eina_file.h

@@ -323,7 +323,40 @@ EAPI Eina_Iterator *eina_file_stat_ls(const char *dir) EINA_WARN_UNUSED_RESULT E
  */
 EAPI int eina_file_statat(void *container, Eina_File_Direct_Info *info, Eina_Stat *buf) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1, 2, 3);
 
-EAPI int eina_file_mkstemp(const char *filename, Eina_Tmpstr **path);
+/**
+ * @brief Generate and create a uniquely named temporary file from template.
+ *        Generated file is opened with the open(2) O_EXCL flag.
+ *
+ * @param [in] templatename is a string. The last six characters of templatename must be XXXXXX. 
+ * @param [out] path Where to put the name of the created file. If not NULL
+ *              should be released by eina_tmpstr_del.
+ * @return On success @c file descriptor of the temporary file is returned, 
+ *         On error @c -1 is returned, in which case errno is set appropriately.
+ *
+ * This function calls mkstemp, generates a unique temporary filename 
+ * from template, creates and opens the file, and returns an open file 
+ * descriptor for the file. 
+ *
+ * @see eina_file_mkdtemp()
+ * @since 1.8
+ */
+EAPI int eina_file_mkstemp(const char *templatename, Eina_Tmpstr **path);
+
+/**
+ * @brief Generate and create a uniquely named temporary directory from template.
+ *
+ * @param [in] templatename is a string. The last six characters of templatename must be XXXXXX.
+ * @param [out] path Where to put the name of the created directory. If not NULL
+ *              should be released by eina_tmpstr_del.
+ * @return On success @c EINA_TRUE is returned, On error @c EINA_FALSE is returned, 
+ *         in which case errno is set appropriately.
+ *
+ * This function calls mkdtemp. The directory is then created with permissions 0700. 
+ *
+ * @see eina_file_mkstemp()
+ * @since 1.8
+ */
+EAPI Eina_Bool eina_file_mkdtemp(const char *templatename, Eina_Tmpstr **path);
 
 /**
  * @brief Get an iterator to list the content of a directory, with direct

src/lib/eina/eina_file_common.c

@@ -571,7 +571,7 @@ eina_file_copy(const char *src, const char *dst, Eina_File_Copy_Flags flags, Ein
 }
 
 EAPI int
-eina_file_mkstemp(const char *filename, Eina_Tmpstr **path)
+eina_file_mkstemp(const char *templatename, Eina_Tmpstr **path)
 {
    char buffer[PATH_MAX];
    const char *tmpdir;
@@ -584,7 +584,7 @@ eina_file_mkstemp(const char *filename, Eina_Tmpstr **path)
    tmpdir = (char *)evil_tmpdir_get();
 #endif /* ! HAVE_EVIL */
 
-   snprintf(buffer, PATH_MAX, "%s/%s", tmpdir, filename);
+   snprintf(buffer, PATH_MAX, "%s/%s", tmpdir, templatename);
 
    fd = mkstemp(buffer);
    if (path) *path = eina_tmpstr_add(buffer);
@@ -593,3 +593,27 @@ eina_file_mkstemp(const char *filename, Eina_Tmpstr **path)
 
    return fd;
 }
+
+EAPI Eina_Bool
+eina_file_mkdtemp(const char *templatename, Eina_Tmpstr **path)
+{
+   char buffer[PATH_MAX];
+   const char *tmpdir;
+   char *tmpdirname;
+
+#ifndef HAVE_EVIL
+   tmpdir = getenv("TMPDIR");
+   if (!tmpdir) tmpdir = "/tmp";
+#else
+   tmpdir = (char *)evil_tmpdir_get();
+#endif /* ! HAVE_EVIL */
+
+   snprintf(buffer, PATH_MAX, "%s/%s", tmpdir, templatename);
+
+   tmpdirname = mkdtemp(buffer);
+   if (path) *path = eina_tmpstr_add(buffer);
+   if (tmpdirname == NULL)
+     return EINA_FALSE;
+
+   return EINA_TRUE;
+}

src/tests/eina/eina_test_file.c

@@ -23,11 +23,14 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "eina_suite.h"
 #include "Eina.h"
 #include "eina_safety_checks.h"
 
+static int default_dir_rights = 0777;
+
 #ifdef EINA_SAFETY_CHECKS
 struct log_ctx {
    const char *msg;
@@ -134,9 +137,128 @@ START_TEST(eina_file_split_simple)
 }
 END_TEST
 
+Eina_Tmpstr*
+get_full_path(const char* tmpdirname, const char* filename)
+{
+    char full_path[PATH_MAX] = "";
+    eina_str_join(full_path, sizeof(full_path), '/', tmpdirname, filename);
+    return eina_tmpstr_add(full_path);
+}
+
+Eina_Tmpstr*
+get_eina_test_file_tmp_dir()
+{
+   Eina_Tmpstr *tmp_dir;
+
+   Eina_Bool created = eina_file_mkdtemp("EinaFileTestXXXXXX", &tmp_dir);
+
+   if (!created)
+     {
+        return NULL;
+     }
+
+   return tmp_dir;
+}
+
+START_TEST(eina_file_direct_ls_simple)
+{
+   eina_init();
+
+   const char *good_dirs[] =
+     {
+        "eina_file_direct_ls_simple_dir",
+        "a.",
+        "$a$b",
+        "~$a@:-*$b!{}"
+     };
+   const int good_dirs_count = sizeof(good_dirs) / sizeof(const char *);
+   Eina_Tmpstr *test_dirname = get_eina_test_file_tmp_dir();
+   fail_if(test_dirname == NULL);
+
+   for (int i = 0; i != good_dirs_count; ++i)
+     {
+        Eina_Tmpstr *dirname = get_full_path(test_dirname, good_dirs[i]);
+        // clean old test directories
+        rmdir(dirname);
+        fail_if(mkdir(dirname, default_dir_rights) != 0);
+
+        Eina_File_Direct_Info *dir_info;
+        Eina_Iterator *it = eina_file_direct_ls(test_dirname);
+        Eina_Bool found_dir = EINA_FALSE;
+
+        while (eina_iterator_next(it, (void **)&dir_info))
+          {
+             if (!strcmp(dir_info->path, dirname))
+               {
+                  found_dir = EINA_TRUE;
+               }
+          }
+
+        eina_iterator_free(it);
+
+        fail_if(!found_dir);
+        fail_if(rmdir(dirname) != 0);
+
+        eina_tmpstr_del(dirname);
+     }
+   fail_if(rmdir(test_dirname) != 0);
+   eina_tmpstr_del(test_dirname);
+   eina_shutdown();
+}
+END_TEST
+
+START_TEST(eina_file_ls_simple)
+{
+   eina_init();
+
+   const char *good_dirs[] =
+     {
+        "eina_file_ls_simple_dir",
+        "b.",
+        "$b$a",
+        "~$b@:-*$a!{}"
+     };
+   const int good_dirs_count = sizeof(good_dirs) / sizeof(const char *);
+   Eina_Tmpstr *test_dirname = get_eina_test_file_tmp_dir();
+   fail_if(test_dirname == NULL);
+
+   for (int i = 0; i != good_dirs_count; ++i)
+     {
+        Eina_Tmpstr *dirname = get_full_path(test_dirname, good_dirs[i]);
+        // clean old test directories
+        rmdir(dirname);
+        fail_if(mkdir(dirname, default_dir_rights) != 0);
+
+        char *filename;
+        Eina_Iterator *it = eina_file_ls(test_dirname);
+        Eina_Bool found_dir = EINA_FALSE;
+
+        while (eina_iterator_next(it, (void **)&filename))
+          {
+             if (!strcmp(filename, dirname))
+               {
+                  found_dir = EINA_TRUE;
+               }
+          }
+
+        eina_iterator_free(it);
+
+        fail_if(!found_dir);
+        fail_if(rmdir(dirname) != 0);
+
+        eina_tmpstr_del(dirname);
+     }
+   fail_if(rmdir(test_dirname) != 0);
+   eina_tmpstr_del(test_dirname);
+   eina_shutdown();
+}
+END_TEST
+
 void
 eina_test_file(TCase *tc)
 {
    tcase_add_test(tc, eina_file_split_simple);
+   tcase_add_test(tc, eina_file_direct_ls_simple);
+   tcase_add_test(tc, eina_file_ls_simple);
 }