get rid of the main() without (void) plague

Author: cirosantilli

c/abs.c

@@ -8,7 +8,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     assert(abs(-1) == 1);
 
     /*

c/array_designated_initializer.c

@@ -13,7 +13,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
 #if __STDC_VERSION__ >= 199901L
     {
         int is[] = {

c/assert_h.c

@@ -14,7 +14,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     assert(1);
     return EXIT_SUCCESS;
 }

c/atexit.c

@@ -12,7 +12,7 @@ void atexit_func() {
     printf("atexit\n");
 }
 
-int main() {
+int main(void) {
     atexit(atexit_func);
     return EXIT_SUCCESS;
 }

c/auto.c

@@ -9,7 +9,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     /* SAME: */
     int i;
     auto int i2;

c/bitfield.c

@@ -6,7 +6,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     struct S {
         unsigned b1 : 1;
         unsigned b2 : 2;

c/comments.c

@@ -6,7 +6,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     /* Standard multi line comment. */
     /*
     assert(false);

c/complex_h.c

@@ -40,7 +40,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
 #if __STDC_VERSION__ >= 199901L
 #ifndef __STDC_NO_COMPLEX__
     puts("!__STDC_NO_COMPLEX__");

c/compound_literal.c

@@ -21,7 +21,7 @@ void func_struct_1(struct func_struct s) {
     assert(s.i == 1);
 }
 
-int main() {
+int main(void) {
 #if __STDC_VERSION__ >= 199901L
     /* Compound literals for arrays */
     {

c/compound_struct_literal.c

@@ -8,7 +8,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     struct S { int i; int j; };
 
     /* Basic example. */

c/constant_expression.c

@@ -23,7 +23,7 @@
 */
 #include "common.h"
 
-int main() {
+int main(void) {
     const int i = 0;
 
     /* ERROR: not a constant expression. */

c/enum.c

@@ -1,6 +1,6 @@
 #include "common.h"
 
-int main() {
+int main(void) {
     /*
     # Terminology
 

c/errno_h.c

@@ -26,7 +26,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     /* No error */
     errno = 0;
 

c/exit.c

@@ -14,7 +14,7 @@ void exit_func() {
     exit(EXIT_SUCCESS);
 }
 
-int main() {
+int main(void) {
     exit_func();
     /* Never gets run */
     return EXIT_FAILURE;

c/extern/main.c

@@ -46,7 +46,7 @@ void printMain() {
 
 void printA();
 
-int main() {
+int main(void) {
     printA();
     printMain();
     printf("commonUninitInt = %d\n", commonUninitInt);

c/float_h.c

@@ -12,7 +12,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     /*
     # Rounding method
 

c/for.c

@@ -20,7 +20,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     /* Basic example. */
     {
         int i;

c/function_pointer.c

@@ -21,7 +21,7 @@ int int_func_func_int_int(int (*function_ptr)(int, int), int m, int n) {
     return (*function_ptr)(m, n);
 }
 
-int main() {
+int main(void) {
     /*
     Basic usage.
 

c/generic.c

@@ -6,7 +6,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
 #if __STDC_VERSION__ >= 201112L
 #if defined(__GNUC__) && (__GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))
 #define typename(x) _Generic((x), \

c/getenv.c

@@ -8,7 +8,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     printf("HOME = %s\n", getenv("HOME"));
     assert(getenv("NOT_DEFINED") == NULL);
     return EXIT_SUCCESS;

c/goto.c

@@ -12,7 +12,7 @@ int goto_func(int i) {
     return 1;
 }
 
-int main() {
+int main(void) {
     /*
     However, avoid using this as it may generate unreadable code.
 

c/hello_world.c

@@ -1,7 +1,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int main() {
+int main(void) {
     puts("hello world");
     return EXIT_SUCCESS;
 }

c/identifier.c

@@ -1,6 +1,6 @@
 #include "common.h"
 
-int main() {
+int main(void) {
     /*
     # Identifiers
 

c/identifier_list.c

@@ -20,7 +20,7 @@ void g() {}
 /* Identifier type list. This one is not optional. */
 void h(void) {}
 
-int main() {
+int main(void) {
     assert(f(1, 2) == 3);
     return EXIT_SUCCESS;
 }

c/if.c

@@ -2,7 +2,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     /* Only 0 counts as false. */
     if (0) {
         assert(0);

c/incomplete_type.c

@@ -12,7 +12,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
 
     /*
     TODO what are all possible types of incomplete types?

c/interactive/abort.c

@@ -22,7 +22,7 @@ void atexit_func() {
     printf("atexit\n");
 }
 
-int main() {
+int main(void) {
     /* Will not get called. */
     atexit(atexit_func);
     abort();

c/interactive/assert_fail.c

@@ -8,7 +8,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     assert(0);
     puts("here");
     return EXIT_SUCCESS;

c/interactive/branch_prediction_and_patterns_perf.c

@@ -15,7 +15,7 @@ void f(long p) {
             sum++;
 }
 
-int main() {
+int main(void) {
     f(INT_MIN);
     f(-1);
     f(1);

c/interactive/clock.c

@@ -4,7 +4,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     clock_t t;
     uintmax_t i, j;
 

c/inttypes_h.c

@@ -4,7 +4,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
 #if __STDC_VERSION__ >= 199901L
     /*
     # PRIxPTR

c/iso646_h.c

@@ -19,7 +19,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     assert(1 and 1);
     assert(0 or 1);
     return EXIT_SUCCESS;

c/limits_h.c

@@ -7,7 +7,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     {
         /*
         # CHAR_BIT

c/literals.c

@@ -23,6 +23,6 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     return EXIT_SUCCESS;
 }

c/main_function.c

@@ -14,7 +14,7 @@
  *
  * Valid signatures: either:
  *
- *     int main()
+ *     int main(void)
  *
  * or:
  *

c/malloc.c

@@ -33,7 +33,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     /* Basic usage */
     {
         size_t bytes = sizeof(int) * 2;

c/min.c

@@ -1,3 +1,3 @@
-int main() {
+int main(void) {
     return 0;
 }

c/ndebug.c

@@ -10,7 +10,7 @@
 #include <assert.h>
 #include <stdlib.h>
 
-int main() {
+int main(void) {
     assert(0);
     return EXIT_SUCCESS;
 }

c/no_return_non_void.c

@@ -16,7 +16,7 @@ int f() {}
 #endif
 #endif
 
-int main() {
+int main(void) {
 #if __STDC_VERSION__ >= 199901L
 #ifdef UNDEFINED_BEHAVIOUR
     f();

c/noreturn.c

@@ -27,7 +27,7 @@ noreturn
 #endif
 void g() { exit(0); }
 
-int main() {
+int main(void) {
 #if __STDC_VERSION__ >= 201112L
     f();
     g();

c/null.c

@@ -61,7 +61,7 @@
 
 int *ip;
 
-int main() {
+int main(void) {
     /*
     It never points to any possible valid memory location:
     global, local variable, malloc return, ...

c/offsetof.c

@@ -11,7 +11,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     /* Basic example. */
     {
         struct S {

c/operator.c

@@ -11,7 +11,7 @@ int int_func_int(int i) {
     return i;
 }
 
-int main() {
+int main(void) {
     /*
     # Arithmetic operators
 

c/parameter_without_name.c

@@ -22,7 +22,7 @@ int f(int i, float g) { return i + (int)g; }
 
 int void_parameter(void) { return 1; }
 
-int main() {
+int main(void) {
     assert(f(1, 1.5) == 2);
 
     /* The exception is the "void paramter". */

c/pointer.c

@@ -8,7 +8,7 @@
 
 #include "common.h"
 
-int main() {
+int main(void) {
     int i;
     int *pi, *pi2;
     /* BAD */