Remove shadowed declarations, undefined identifiers, and specify argument types where it is required. (#1601)

JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com

tests/unit/test-date-helpers.c

@@ -31,7 +31,7 @@
  * Unit test's main function.
  */
 int
-main ()
+main (void)
 {
   /* int ecma_date_day (time)*/
 

tests/unit/test-heap.c

@@ -75,7 +75,7 @@ test_heap_give_some_memory_back (jmem_free_unused_memory_severity_t severity)
 } /* test_heap_give_some_memory_back */
 
 int
-main ()
+main (void)
 {
   TEST_INIT ();
 

tests/unit/test-libm.c

@@ -84,7 +84,7 @@ check_double (const char *expr, double computed, double expected)
 } /* check_double */
 
 int
-main ()
+main (void)
 {
 #define INF INFINITY
 #include "test-libm.inc.h"

tests/unit/test-lit-char-helpers.c

@@ -22,7 +22,7 @@
 #include "test-common.h"
 
 int
-main ()
+main (void)
 {
   TEST_INIT ();
 

tests/unit/test-literal-storage.c

@@ -38,7 +38,7 @@ generate_string (lit_utf8_byte_t *str, lit_utf8_size_t len)
 } /* generate_string */
 
 static ecma_number_t
-generate_number ()
+generate_number (void)
 {
   ecma_number_t num = ((ecma_number_t) rand () / 32767.0);
   if (rand () % 2)
@@ -54,7 +54,7 @@ generate_number ()
 } /* generate_number */
 
 int
-main ()
+main (void)
 {
   TEST_INIT ();
 

tests/unit/test-longjmp.c

@@ -68,7 +68,7 @@ test_setjmp_longjmp (volatile int depth)
 } /* test_setjmp_longjmp */
 
 int
-main ()
+main (void)
 {
   TEST_INIT ();
 

tests/unit/test-number-to-integer.c

@@ -34,7 +34,7 @@ typedef struct
  * Unit test's main function.
  */
 int
-main ()
+main (void)
 {
   TEST_INIT ();
 

tests/unit/test-number-to-string.c

@@ -22,7 +22,7 @@
  * Unit test's main function.
  */
 int
-main ()
+main (void)
 {
   TEST_INIT ();
 

tests/unit/test-poolman.c

@@ -39,7 +39,7 @@ uint8_t *ptrs[TEST_MAX_SUB_ITERS];
 uint8_t data[TEST_MAX_SUB_ITERS][TEST_CHUNK_SIZE];
 
 int
-main ()
+main (void)
 {
   TEST_INIT ();
 

tests/unit/test-string-to-number.c

@@ -23,7 +23,7 @@
  * Unit test's main function.
  */
 int
-main ()
+main (void)
 {
   TEST_INIT ();
 

tests/unit/test-strings.c

@@ -100,7 +100,7 @@ generate_cesu8_string (lit_utf8_byte_t *buf_p,
 } /* generate_cesu8_string */
 
 int
-main ()
+main (void)
 {
   TEST_INIT ();