efl: remove some warnings.

Summary:
Mainly from the examples but also from libunibreak and tests/eet.

I'm not sure if it's really worth to remove warnings from the examples
-- because it adds pedantic-ness to something supposed to be didatic,
but I leave for you guys to judge.

Reviewers: tasn, cedric

CC: felipealmeida, raster, smohanty, cedric

Differential Revision: https://phab.enlightenment.org/D896

Signed-off-by: Cedric Bail <cedric.bail@free.fr>

unsorted/ecore/ecore_idler_example.c

@@ -1,8 +1,12 @@
 //Compile with:
 // gcc -o ecore_idler_example ecore_idler_example.c `pkg-config --libs --cflags ecore eo`
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <Ecore.h>
-//#include <Ecore_Eo.h>
+#include <Eo.h>
 #include <unistd.h>
 
 struct context   // helper struct to give some context to the callbacks

unsorted/eet/eet-data-cipher_decipher.c

@@ -8,6 +8,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <string.h>
 
 int
 main(void)
@@ -16,17 +17,19 @@ main(void)
    const char *key = "This is a crypto key";
    const char *key_bad = "This is another crypto key";
 
-   char *file = strdup("/tmp/eet_cipher_example_XXXXX");
+   char *file = strdup("/tmp/eet_cipher_example_XXXXXX");
    Eet_File *ef;
    char *test;
    int size;
+   int tmpfd;
 
    eet_init();
 
-   if (!(file = tmpnam(file)))
+   if (-1 == (tmpfd = mkstemp(file)) || !!close(tmpfd))
      {
         fprintf(
-          stderr, "ERROR: could not create temporary file (%s).\n", file);
+                stderr, "ERROR: could not create temporary file (%s) : %s\n",
+                file, strerror(errno));
         goto panic;
      }
 

unsorted/eina/eina_hash_01.c

@@ -37,8 +37,8 @@ _phone_entry_free_cb(void *data)
 }
 
 static Eina_Bool
-_phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
-		       void *data, void *fdata)
+_phone_book_foreach_cb(const Eina_Hash *phone_book EINA_UNUSED, const void *key,
+		       void *data, void *fdata EINA_UNUSED)
 {
    const char *name = key;
    const char *number = data;
@@ -51,6 +51,8 @@ _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
 int
 main(int argc, const char *argv[])
 {
+   (void) argc;
+   (void) argv;
    Eina_Hash *phone_book = NULL;
    int i;
    const char *entry_name = "Heitor Villa-Lobos";

unsorted/eina/eina_hash_02.c

@@ -47,7 +47,9 @@ _phone_book_stringshared_free_cb(void *data)
 
 static Eina_Bool
 _phone_book_stringshared_foreach_cb(const Eina_Hash *phone_book,
-				    const void *key, void *data, void *fdata)
+                                    const void *key EINA_UNUSED,
+                                    void *data,
+                                    void *fdata EINA_UNUSED)
 {
    Phone_Entry *e = data;
    const char *name = e->name; // e->name == key
@@ -97,8 +99,8 @@ _phone_book_string_key_length(const char *key)
 }
 
 static int
-_phone_book_string_key_cmp(const char *key1, int key1_length,
-                     const char *key2, int key2_length)
+_phone_book_string_key_cmp(const char *key1, int key1_length EINA_UNUSED,
+                     const char *key2, int key2_length EINA_UNUSED)
 {
    return strcmp(key1, key2);
 }
@@ -138,6 +140,8 @@ example_hash_big(void)
 int
 main(int argc, const char *argv[])
 {
+   (void)argc;
+   (void)argv;
    eina_init();
 
    example_hash_stringshared();

unsorted/eina/eina_hash_03.c

@@ -38,7 +38,7 @@ _phone_entry_free_cb(void *data)
 
 static Eina_Bool
 _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
-		       void *data, void *fdata)
+		       void *data, void *fdata EINA_UNUSED)
 {
    const char *name = key;
    const char *number = data;
@@ -51,6 +51,8 @@ _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
 int
 main(int argc, const char *argv[])
 {
+   (void)argc;
+   (void)argv;
    Eina_Hash *phone_book = NULL;
    int i;
    const char *entry_name = "Heitor Villa-Lobos";

unsorted/eina/eina_hash_04.c

@@ -38,7 +38,7 @@ _phone_entry_free_cb(void *data)
 
 static Eina_Bool
 _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
-		       void *data, void *fdata)
+		       void *data, void *fdata EINA_UNUSED)
 {
    const char *name = key;
    const char *number = data;
@@ -51,6 +51,8 @@ _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
 int
 main(int argc, const char *argv[])
 {
+   (void)argc;
+   (void)argv;
    Eina_Hash *phone_book = NULL;
    int i;
    const char *entry_name = "Heitor Villa-Lobos";

unsorted/eina/eina_hash_05.c

@@ -38,7 +38,7 @@ _phone_entry_free_cb(void *data)
 
 static Eina_Bool
 _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
-		       void *data, void *fdata)
+		       void *data, void *fdata EINA_UNUSED)
 {
    const int32_t *id = key;
    const char *number = data;
@@ -51,6 +51,8 @@ _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
 int
 main(int argc, const char *argv[])
 {
+   (void)argc;
+   (void)argv;
    Eina_Hash *phone_book = NULL;
    int i;
    int32_t entry_id = 4;

unsorted/eina/eina_hash_06.c

@@ -38,11 +38,11 @@ _phone_entry_free_cb(void *data)
 
 static Eina_Bool
 _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
-		       void *data, void *fdata)
+		       void *data, void *fdata EINA_UNUSED)
 {
    const int64_t *id = key;
    const char *number = data;
-   printf("%lld: %s\n", *id, number);
+   printf("%lld: %s\n", (long long int)*id, number);
 
    // Return EINA_FALSE to stop this callback from being called
    return EINA_TRUE;
@@ -51,6 +51,8 @@ _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key,
 int
 main(int argc, const char *argv[])
 {
+   (void)argc;
+   (void)argv;
    Eina_Hash *phone_book = NULL;
    int i;
    int64_t entry_id = 4;
@@ -75,7 +77,7 @@ main(int argc, const char *argv[])
    if (phone)
      {
 	printf("Printing entry.\n");
-	printf("Id: %lld\n", entry_id);
+	printf("Id: %lld\n", (long long int)entry_id);
 	printf("Number: %s\n\n", phone);
      }
 
@@ -136,7 +138,7 @@ main(int argc, const char *argv[])
 	Eina_Hash_Tuple *t = data;
 	const int64_t *id = t->key;
 	const char *number = t->data;
-	printf("%lld: %s\n", *id, number);
+	printf("%lld: %s\n", (long long int)*id, number);
      }
    eina_iterator_free(it); // Always free the iterator after its use
    printf("\n");
@@ -147,7 +149,7 @@ main(int argc, const char *argv[])
    while (eina_iterator_next(it, &data))
      {
 	const int64_t *id = data;
-	printf("%lld\n", *id);
+	printf("%lld\n", (long long int)*id);
      }
    eina_iterator_free(it);
    printf("\n");

unsorted/eina/eina_list_01.c

@@ -7,6 +7,8 @@
 int
 main(int argc, char **argv)
 {
+   (void)argc;
+   (void)argv;
    Eina_List *list = NULL;
    Eina_List *l;
    void *list_data;

unsorted/eina/eina_list_02.c

@@ -8,6 +8,8 @@
 int
 main(int argc, char **argv)
 {
+   (void)argc;
+   (void)argv;
    Eina_List *list = NULL, *other_list = NULL;
    Eina_List *l;
    void *data;

unsorted/eina/eina_list_03.c

@@ -7,6 +7,8 @@
 int
 main(int argc, char **argv)
 {
+   (void)argc;
+   (void)argv;
    Eina_List *list = NULL, *r_list;
    Eina_List *l;
    Eina_Iterator *itr;

unsorted/eina/eina_list_04.c

@@ -7,6 +7,8 @@
 int
 main(int argc, char **argv)
 {
+   (void)argc;
+   (void)argv;
    Eina_List *list = NULL;
    Eina_List *l;
    void *list_data;

unsorted/eina/eina_strbuf_01.c

@@ -25,7 +25,7 @@ int main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
    eina_strbuf_reset(buf);
 
    eina_strbuf_append_printf(buf, "%s%c", "buffe", 'r');
-   eina_strbuf_insert_printf(buf, " %s: %d", 6, "length", eina_strbuf_length_get(buf));
+   eina_strbuf_insert_printf(buf, " %s: %d", 6, "length", (int)eina_strbuf_length_get(buf));
    printf("%s\n", eina_strbuf_string_get(buf));
 
    eina_strbuf_remove(buf, 0, 7);

unsorted/eina/eina_value_01.c

@@ -5,6 +5,8 @@
 
 int main(int argc, char **argv)
 {
+   (void)argc;
+   (void)argv;
    Eina_Value v;
    int i;
    char *newstr;

unsorted/eina/eina_value_02.c

@@ -79,6 +79,8 @@ void my_struct_use(Eina_Value *params)
 
 int main(int argc, char **argv)
 {
+   (void)argc;
+   (void)argv;
    Eina_Value *v1, *v2;
 
    eina_init();

unsorted/eina/eina_value_03.c

@@ -26,7 +26,7 @@ _tz_copy(const Eina_Value_Type *type EINA_UNUSED, const void *src, void * dst)
    return EINA_TRUE;
 }
 
-static Eina_Bool
+static int
 _tz_compare(const Eina_Value_Type *type EINA_UNUSED, const void *a, const void *b)
 {
    struct timezone tza = *(struct timezone*)a;

unsorted/eina/eina_xattr_01.c

@@ -37,7 +37,7 @@ main(int argc, char **argv)
      }
    else if (strcmp(argv[1], "get") == 0)
      {
-        size_t size = 0;
+        ssize_t size = 0;
         const char *value;
 
         if (argc < 4)

unsorted/eldbus/complex-types-client-eina-value.c

@@ -63,7 +63,7 @@ _fill_receive_array_of_string_int_with_size(Eldbus_Message *msg, int size, const
 
    offset = _type_offset(sizeof(int), sizeof(Eina_Value_Array));
    main_members[0].name = "size";
-   main_members[0].type = EINA_VALUE_TYPE_INT, 0;
+   main_members[0].type = EINA_VALUE_TYPE_INT;
    main_members[0].offset = 0;
    main_members[1].name = "array";
    main_members[1].type = EINA_VALUE_TYPE_ARRAY;

unsorted/evas/evas-map-utils.c

@@ -166,9 +166,6 @@ _on_keydown(void *data, Evas *e EINA_UNUSED, Evas_Object *o EINA_UNUSED, void *e
 {
    App_Data *ad = data;
    Evas_Event_Key_Down *ev = event;
-   const Evas_Modifier *mods;
-
-   mods = evas_key_modifier_get(ad->canvas);
    switch (ev->key[0])
      {
       case 'a':