Warning cleanups for ecpg tests. Avoid doing pointer arithmetic on void *,

remove old-style function declarations, and mark a function "static".
There are some remaining warnings, but this fixes most of them, anyway.

src/interfaces/ecpg/test/dt_test.pgc

@@ -6,7 +6,7 @@
 #include <pgtypes_interval.h>
 
 int
-main()
+main(void)
 {
 	exec sql begin declare section;
 		date date1;

src/interfaces/ecpg/test/dyntest.pgc

@@ -2,7 +2,7 @@
  *
  * Copyright (c) 2000, Christof Petig <christof.petig@wtal.de>
  *
- * $PostgreSQL: pgsql/src/interfaces/ecpg/test/dyntest.pgc,v 1.10 2003/11/29 19:52:09 pgsql Exp $
+ * $PostgreSQL: pgsql/src/interfaces/ecpg/test/dyntest.pgc,v 1.11 2005/06/30 07:08:59 neilc Exp $
  */
 
 #include <stdio.h>
@@ -12,7 +12,7 @@
 exec sql include sql3types;
 exec sql include sqlca;
 
-static void error()
+static void error(void)
 {  printf("#%ld:%s\n",sqlca.sqlcode,sqlca.sqlerrm.sqlerrmc);
    exit(1);
 }

src/interfaces/ecpg/test/dyntest2.pgc

@@ -2,7 +2,7 @@
  *
  * Copyright (c) 2000, Christof Petig <christof.petig@wtal.de>
  *
- * $PostgreSQL: pgsql/src/interfaces/ecpg/test/dyntest2.pgc,v 1.5 2003/11/29 19:52:09 pgsql Exp $
+ * $PostgreSQL: pgsql/src/interfaces/ecpg/test/dyntest2.pgc,v 1.6 2005/06/30 07:08:59 neilc Exp $
  */
 
 #include <stdio.h>
@@ -11,7 +11,7 @@
 exec sql include sql3types;
 exec sql include sqlca;
 
-static void error()
+static void error(void)
 {
    printf("\n#%ld:%s\n",sqlca.sqlcode,sqlca.sqlerrm.sqlerrmc);
    exit(1);

src/interfaces/ecpg/test/num_test.pgc

@@ -3,7 +3,7 @@
 #include <decimal.h>
 
 int
-main()
+main(void)
 {
 	char *text="error\n";
 	numeric *value1, *value2, *res;

src/interfaces/ecpg/test/perftest.pgc

@@ -21,7 +21,7 @@ print_result(long sec, long usec, char *text)
 }
 
 int
-main ()
+main (void)
 {
 exec sql begin declare section;
 	long i;

src/interfaces/ecpg/test/test1.pgc

@@ -27,7 +27,7 @@ exec sql type intarray is int[AMOUNT];
 typedef int intarray[AMOUNT];
 
 int
-main ()
+main(void)
 {
 exec sql begin declare section;
 exec sql ifdef NAMELEN;

src/interfaces/ecpg/test/test2.pgc

@@ -16,7 +16,7 @@ exec sql declare cur cursor for
        select name, born, age, married, children from meskes;
 
 int
-main ()
+main (void)
 {
 	exec sql struct birthinfo { long born; short age; };
 exec sql begin declare section;

src/interfaces/ecpg/test/test3.pgc

@@ -9,7 +9,7 @@ exec sql type str is varchar[10];
 #include <string.h>
 
 int
-main ()
+main (void)
 {
 exec sql begin declare section;
 	typedef struct { long born; short age; } birthinfo;

src/interfaces/ecpg/test/test4.pgc

@@ -7,7 +7,7 @@ exec sql whenever sqlerror sqlprint;
 exec sql include sqlca;
 
 int
-main ()
+main (void)
 {
 EXEC SQL BEGIN DECLARE SECTION;
 	int i = 1;

src/interfaces/ecpg/test/test5.pgc

@@ -14,7 +14,7 @@ struct TBempl
    };
 EXEC SQL END DECLARE SECTION;
 
-int main()
+int main(void)
 {
 EXEC SQL BEGIN DECLARE SECTION;
 struct TBempl empl;

src/interfaces/ecpg/test/test_desc.pgc

@@ -1,7 +1,7 @@
 EXEC SQL WHENEVER SQLERROR SQLPRINT;
 
 int
-main()
+main(void)
 {
 	EXEC SQL BEGIN DECLARE SECTION;
 	char *stmt1 = "INSERT INTO test1 VALUES (?, ?)";

src/interfaces/ecpg/test/test_informix.pgc

@@ -1,8 +1,8 @@
 #include "sqltypes.h"
 
-void openit(void);
+static void openit(void);
 
-int main()
+int main(void)
 {
 	$int i = 14; 
 	$decimal j, m, n;
@@ -73,7 +73,7 @@ int main()
 	return 0;
 }
 
-void openit(void)
+static void openit(void)
 {
 	$open c;
 }

src/interfaces/ecpg/test/test_init.pgc

@@ -1,6 +1,6 @@
 exec sql include sqlca;
 
-int fa() { return 2; }
+int fa(void) { return 2; }
 int fb(int x) { return x; }
 int fc(const char *x) { return *x; }
 int fd(const char *x,int i) { return (*x)*i; }
@@ -22,7 +22,7 @@ namespace N
 };
 #endif
 
-int main()
+int main(void)
 { struct sa x,*y;
 exec sql begin declare section;
 int a=(int)2;

src/interfaces/ecpg/test/test_thread.pgc

@@ -70,7 +70,7 @@ int main(int argc, char *argv[])
     }
   for( n = 0; n < nthreads; n++ )
     {
-      pthread_create(&threads[n], NULL, test_thread, (void *)n + 1);
+      pthread_create(&threads[n], NULL, test_thread, (void *) (n + 1));
     }
 
   /* wait for thread completion */

src/interfaces/ecpg/test/test_thread_implicit.pgc

@@ -70,7 +70,7 @@ int main(int argc, char *argv[])
     }
   for( n = 0; n < nthreads; n++ )
     {
-      pthread_create(&threads[n], NULL, test_thread, (void *)n + 1);
+      pthread_create(&threads[n], NULL, test_thread, (void *) (n + 1));
     }
 
   /* wait for thread completion */

src/interfaces/ecpg/test/testdynalloc.pgc

@@ -2,7 +2,7 @@
 exec sql include sqlca;
 #include <stdlib.h>
 
-int main()
+int main(void)
 {  
    exec sql begin declare section;
    char **cpp=0;