Make all C main functions without arguments have "void" in arg list.

test cases/common/1 trivial/trivial.c

@@ -1,6 +1,6 @@
 #include<stdio.h>
 
-int main() {
+int main(void) {
     printf("Trivial test is working.\n");
     return 0;
 }

test cases/common/100 stringdef/stringdef.c

@@ -1,7 +1,7 @@
 #include<stdio.h>
 #include<string.h>
 
-int main() {
+int main(void) {
     if(strcmp(FOO, "bar")) {
         printf("FOO is misquoted: %s\n", FOO);
         return 1;

test cases/common/102 subproject subdir/prog.c

@@ -1,5 +1,5 @@
 #include <sub.h>
 
-int main() {
+int main(void) {
     return sub();
 }

test cases/common/103 postconf/prog.c

@@ -1,5 +1,5 @@
 #include"generated.h"
 
-int main() {
+int main(void) {
     return THE_NUMBER != 9;
 }

test cases/common/104 postconf with args/prog.c

@@ -1,5 +1,5 @@
 #include"generated.h"
 
-int main() {
+int main(void) {
     return THE_NUMBER != 9 || THE_ARG1 != 5 || THE_ARG2 != 33;
 }

test cases/common/106 extract same name/main.c

@@ -1,6 +1,6 @@
 int func1();
 int func2();
 
-int main() {
+int main(void) {
     return !(func1() == 23 && func2() == 42);
 }

test cases/common/109 generatorcustom/main.c

@@ -2,6 +2,6 @@
 
 #include"alltogether.h"
 
-int main() {
+int main(void) {
     return 0;
 }

test cases/common/11 subdir/subdir/prog.c

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

test cases/common/111 spaces backslash/comparer-end-notstring.c

@@ -10,7 +10,7 @@
 
 #define COMPARE_WITH "foo\\bar\\" /* This is the literal `foo\bar\` */
 
-int main() {
+int main(void) {
     if(strcmp(QUOTE(DEF_WITH_BACKSLASH), COMPARE_WITH)) {
         printf("Arg string is quoted incorrectly: %s instead of %s\n",
                QUOTE(DEF_WITH_BACKSLASH), COMPARE_WITH);

test cases/common/111 spaces backslash/comparer-end.c

@@ -6,7 +6,7 @@
 
 #define COMPARE_WITH "foo\\bar\\" /* This is `foo\bar\` */
 
-int main () {
+int main(void) {
     if (strcmp (DEF_WITH_BACKSLASH, COMPARE_WITH)) {
         printf ("Arg string is quoted incorrectly: %s vs %s\n",
                 DEF_WITH_BACKSLASH, COMPARE_WITH);

test cases/common/111 spaces backslash/comparer.c

@@ -6,7 +6,7 @@
 
 #define COMPARE_WITH "foo\\bar" /* This is the literal `foo\bar` */
 
-int main () {
+int main(void) {
     if (strcmp (DEF_WITH_BACKSLASH, COMPARE_WITH)) {
         printf ("Arg string is quoted incorrectly: %s instead of %s\n",
                 DEF_WITH_BACKSLASH, COMPARE_WITH);

test cases/common/116 subdir subproject/prog/prog.c

@@ -1,5 +1,5 @@
 #include <sub.h>
 
-int main() {
+int main(void) {
     return sub();
 }

test cases/common/119 subproject project arguments/exe.c

@@ -22,6 +22,6 @@
 #error
 #endif
 
-int main() {
+int main(void) {
     return 0;
 }

test cases/common/119 subproject project arguments/subprojects/subexe/subexe.c

@@ -22,6 +22,6 @@
 #error
 #endif
 
-int main() {
+int main(void) {
     return 0;
 }

test cases/common/120 test skip/test_skip.c

@@ -1,3 +1,3 @@
-int main() {
+int main(void) {
     return 77;
 }

test cases/common/122 llvm ir and assembly/main.c

@@ -2,7 +2,7 @@
 
 unsigned square_unsigned (unsigned a);
 
-int main ()
+int main(void)
 {
   unsigned int ret = square_unsigned (2);
   if (ret != 4) {

test cases/common/124 extract all shared library/prog.c

@@ -1,7 +1,7 @@
 #include"extractor.h"
 #include<stdio.h>
 
-int main() {
+int main(void) {
     if((1+2+3+4) != (func1() + func2() + func3() + func4())) {
         printf("Arithmetic is fail.\n");
         return 1;

test cases/common/125 object only target/prog.c

@@ -2,6 +2,6 @@ int func1_in_obj();
 int func2_in_obj();
 int func3_in_obj();
 
-int main() {
+int main(void) {
     return func1_in_obj() + func2_in_obj() + func3_in_obj();
 }

test cases/common/126 no buildincdir/prog.c

@@ -1,5 +1,5 @@
 #include"header.h"
 
-int main() {
+int main(void) {
     return 0;
 }

test cases/common/128 dependency file generation/main .c

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

test cases/common/129 configure file in generator/src/main.c

@@ -12,6 +12,6 @@
 #error Source RESULT is not defined correctly
 #endif
 
-int main() {
+int main(void) {
     return 0;
 }

test cases/common/13 pch/c/prog.c

@@ -4,7 +4,7 @@ void func() {
     fprintf(stdout, "This is a function that fails if stdio is not #included.\n");
 }
 
-int main() {
+int main(void) {
     return 0;
 }
 

test cases/common/13 pch/generated/prog.c

@@ -1,6 +1,6 @@
 // No includes here, they need to come from the PCH
 
-int main() {
+int main(void) {
     return FOO + BAR;
 }
 

test cases/common/13 pch/userDefined/prog.c

@@ -1,6 +1,6 @@
 // No includes here, they need to come from the PCH
 
-int main() {
+int main(void) {
     // Method is implemented in pch.c.
     // This makes sure that we can properly handle user defined
     // pch implementation files and not only auto-generated ones.

test cases/common/13 pch/withIncludeDirectories/prog.c

@@ -4,7 +4,7 @@ void func() {
     fprintf(stdout, "This is a function that fails if stdio is not #included.\n");
 }
 
-int main() {
+int main(void) {
     return 0;
 }
 

test cases/common/130 generated llvm ir/main.c

@@ -2,7 +2,7 @@
 
 unsigned square_unsigned (unsigned a);
 
-int main ()
+int main(void)
 {
   unsigned int ret = square_unsigned (2);
   if (ret != 4) {

test cases/common/131 generated assembly/main.c

@@ -5,7 +5,7 @@
 #endif
 unsigned square_unsigned (unsigned a);
 
-int main ()
+int main(void)
 {
   unsigned int ret = square_unsigned (2);
   if (ret != 4) {

test cases/common/132 build by default targets in tests/main.c

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

test cases/common/133 build by default/foo.c

@@ -1,6 +1,6 @@
 #include<stdio.h>
 
-int main() {
+int main(void) {
     printf("Existentialism.\n");
     return 0;
 }

test cases/common/134 include order/ordertest.c

@@ -4,7 +4,7 @@
 #error "Should have picked up hdr.h from inc1/hdr.h"
 #endif
 
-int main ()
+int main(void)
 {
   return 0;
 }

test cases/common/134 include order/sub4/main.c

@@ -1,7 +1,7 @@
 /* Use the <> include notation to force searching in include directories */
 #include <main.h>
 
-int main() {
+int main(void) {
   if (somefunc() == 1984)
     return 0;
   return 1;

test cases/common/135 override options/four.c

@@ -4,6 +4,6 @@ static int duplicate_func() {
     return -4;
 }
 
-int main() {
+int main(void) {
     return duplicate_func() + func();
 }

test cases/common/135 override options/two.c

@@ -1,6 +1,6 @@
 /*
  * Requires a Unity build. Otherwise hidden_func is not specified.
  */
-int main() {
+int main(void) {
     return hidden_func();
 }

test cases/common/137 c cpp and asm/main.c

@@ -2,7 +2,7 @@
 
 int get_retval(void);
 
-int main() {
+int main(void) {
   printf("C seems to be working.\n");
   return get_retval();
 }

test cases/common/139 custom target object output/progdir/prog.c

@@ -1,5 +1,5 @@
 int func1_in_obj();
 
-int main() {
+int main(void) {
     return func1_in_obj();
 }

test cases/common/14 configure file/dumpprog.c

@@ -15,7 +15,7 @@
 #define stringify(s) str(s)
 #define str(s) #s
 
-int main() {
+int main(void) {
 #if !(SHOULD_BE_UNQUOTED_STRING == string)
         printf("String token (unquoted) defined wrong.\n");
         return 1;

test cases/common/14 configure file/prog.c

@@ -8,7 +8,7 @@
 #error "FAIL!"
 #endif
 
-int main() {
+int main(void) {
 #ifndef BE_TRUE
     return 1;
 #else

test cases/common/14 configure file/prog2.c

@@ -1,5 +1,5 @@
 #include<config2.h>
 
-int main() {
+int main(void) {
     return ZERO_RESULT;
 }

test cases/common/14 configure file/prog4.c

@@ -1,6 +1,6 @@
 #include <config4a.h>
 #include <config4b.h>
 
-int main() {
+int main(void) {
     return RESULTA + RESULTB;
 }

test cases/common/14 configure file/prog5.c

@@ -1,6 +1,6 @@
 #include <string.h>
 #include <config5.h>
 
-int main() {
+int main(void) {
     return strcmp(MESSAGE, "@var2@");
 }

test cases/common/14 configure file/prog6.c

@@ -1,7 +1,7 @@
 #include <string.h>
 #include <config6.h>
 
-int main() {
+int main(void) {
     return strcmp(MESSAGE1, "foo")
         || strcmp(MESSAGE2, "@var1@")
         || strcmp(MESSAGE3, "\\foo")

test cases/common/14 configure file/prog7.c

@@ -1,7 +1,7 @@
 #include <string.h>
 #include <config7.h>
 
-int main() {
+int main(void) {
     return strcmp(MESSAGE1, "foo")
         || strcmp(MESSAGE2, "${var1}")
         || strcmp(MESSAGE3, "\\foo")

test cases/common/14 configure file/prog9.c

@@ -10,7 +10,7 @@
 #error "Should be defined"
 #endif
 
-int main() {
+int main(void) {
     return strcmp(A_STRING, "foo")
         || strcmp(B_STRING, "foo")
         || A_INT != 42

test cases/common/141 whole archive/prog.c

@@ -1,5 +1,5 @@
 #include<mylib.h>
 
-int main() {
+int main(void) {
     return func1() - func2();
 }

test cases/common/146 nested links/xephyr.c

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

test cases/common/148 link depends custom target/foo.c

@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main() {
+int main(void) {
   const char *fn = DEPFILE;
   FILE *f = fopen(fn, "r");
   if (!f) {

test cases/common/149 recursive linking/circular/main.c

@@ -6,7 +6,7 @@ int get_st1_value (void);
 int get_st2_value (void);
 int get_st3_value (void);
 
-int main() {
+int main(void) {
   int val;
 
   val = get_st1_value ();

test cases/common/149 recursive linking/edge-cases/shstmain.c

@@ -4,7 +4,7 @@
 
 int get_stshdep_value (void);
 
-int main() {
+int main(void) {
   int val;
 
   val = get_stshdep_value ();

test cases/common/149 recursive linking/edge-cases/stomain.c

@@ -4,7 +4,7 @@
 
 int get_stodep_value (void);
 
-int main() {
+int main(void) {
   int val;
 
   val = get_stodep_value ();

test cases/common/149 recursive linking/main.c

@@ -9,7 +9,7 @@ SYMBOL_IMPORT int get_shnodep_value (void);
 SYMBOL_IMPORT int get_shshdep_value (void);
 SYMBOL_IMPORT int get_shstdep_value (void);
 
-int main() {
+int main(void) {
   int val;
 
   val = get_shnodep_value ();

test cases/common/15 if/prog.c

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

test cases/common/150 library at root/main/main.c

@@ -1,5 +1,5 @@
 extern int fn(void);
 
-int main() {
+int main(void) {
     return 1 + fn();
 }

test cases/common/151 simd/simdchecker.c

@@ -23,7 +23,7 @@ int check_simd_implementation(float *four,
     return rv;
 }
 
-int main() {
+int main(void) {
     static const float four_initial[4] = {2.0, 3.0, 4.0, 5.0};
     ALIGN_16 float four[4];
     const float expected[4] = {3.0, 4.0, 5.0, 6.0};

test cases/common/153 dotinclude/dotproc.c

@@ -4,7 +4,7 @@
 #error The wrapper stdio.h was not included.
 #endif
 
-int main() {
+int main(void) {
     printf("Eventually I got printed.\n");
     return 0;
 }

test cases/common/154 reserved targets/test.c

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

test cases/common/155 duplicate source names/dir1/file.c

@@ -3,7 +3,7 @@ extern int dir2_dir1;
 extern int dir3;
 extern int dir3_dir1;
 
-int main() {
+int main(void) {
     if (dir2 != 20)
         return 1;
     if (dir2_dir1 != 21)

test cases/common/157 wrap file should not failed/src/subprojects/foo/prog2.c

@@ -1,6 +1,6 @@
 #include<stdio.h>
 
-int main() {
+int main(void) {
     printf("Do not have a file layout like this in your own projects.\n");
     printf("This is only to test that this works.\n");
     return 0;

test cases/common/157 wrap file should not failed/src/subprojects/prog.c

@@ -1,6 +1,6 @@
 #include<stdio.h>
 
-int main() {
+int main(void) {
     printf("Do not have a file layout like this in your own projects.\n");
     printf("This is only to test that this works.\n");
     return 0;

test cases/common/158 includedir subproj/prog.c

@@ -1,4 +1,3 @@
-
+int main(void) {
-int main() {
   return 0;
 }

test cases/common/159 subproject dir name collision/a.c

@@ -2,7 +2,7 @@
 char func_b();
 char func_c();
 
-int main() {
+int main(void) {
     if(func_b() != 'b') {
         return 1;
     }

test cases/common/16 else/prog.c

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

test cases/common/17 comparison/prog.c

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

test cases/common/170 get project license/bar.c

@@ -1,6 +1,6 @@
 #include<stdio.h>
 
-int main() {
+int main(void) {
     printf("I'm a main project bar.\n");
     return 0;
 }

test cases/common/172 subproject nested subproject dirs/prog.c

@@ -1,5 +1,5 @@
 int func();
 
-int main() {
+int main(void) {
     return func() == 42 ? 0 : 1;
 }

test cases/common/173 preserve gendir/testprog.c

@@ -1,6 +1,6 @@
 #include"base.h"
 #include"com/mesonbuild/subbie.h"
 
-int main() {
+int main(void) {
     return base() + subbie();
 }

test cases/common/174 source in dep/generated/main.c

@@ -1,5 +1,5 @@
 #include"funheader.h"
 
-int main() {
+int main(void) {
     return my_wonderful_function() != 42;
 }

test cases/common/175 generator link whole/main.c

@@ -2,7 +2,7 @@
 
 #include <stdio.h>
 
-int main() {
+int main(void) {
     if (meson_test_function() != 19) {
         printf("Bad meson_test_function()\n");
         return 1;

test cases/common/18 array/prog.c

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

test cases/common/183 bothlibraries/main.c

@@ -3,6 +3,6 @@
 DO_IMPORT int func();
 DO_IMPORT int retval;
 
-int main() {
+int main(void) {
     return func() == retval ? 0 : 1;
 }

test cases/common/184 escape and unicode/main.c

@@ -4,7 +4,7 @@ const char* does_it_work();
 
 int a_fun();
 
-int main() {
+int main(void) {
     if(strcmp(does_it_work(), "yes it does") != 0) {
         return -a_fun();
     }

test cases/common/187 find override/otherdir/main.c

@@ -1,5 +1,5 @@
 int be_seeing_you();
 
-int main() {
+int main(void) {
     return be_seeing_you() == 6 ? 0 : 1;
 }

test cases/common/187 find override/otherdir/main2.c

@@ -1,5 +1,5 @@
 int number_returner();
 
-int main() {
+int main(void) {
     return number_returner() == 100 ? 0 : 1;
 }

test cases/common/188 partial dependency/declare_dependency/main.c

@@ -15,7 +15,7 @@
 
 #include "foo.h"
 
-int main() {
+int main(void) {
     int a = foo();
     if (a == 1) {
         return 0;

test cases/common/19 includedir/src/prog.c

@@ -1,5 +1,5 @@
 #include "func.h"
 
-int main() {
+int main(void) {
     return func();
 }

test cases/common/195 install_mode/trivial.c

@@ -1,6 +1,6 @@
 #include<stdio.h>
 
-int main() {
+int main(void) {
     printf("Trivial test is working.\n");
     return 0;
 }

test cases/common/20 header in file list/prog.c

@@ -1,3 +1,3 @@
 #include "header.h"
 
-int main() { return 0; }
+int main(void) { return 0; }

test cases/common/200 generator in subdir/com/mesonbuild/testprog.c

@@ -1,5 +1,5 @@
 #include"subbie.h"
 
-int main() {
+int main(void) {
     return subbie();
 }

test cases/common/202 subproject with features/nothing.c

@@ -1,4 +1,4 @@
-int main()
+int main(void)
 {
     return 0;
-}
+}

test cases/common/207 kwarg entry/prog.c

@@ -1,7 +1,7 @@
 #include<prog.h>
 #include<stdio.h>
 
-int main() {
+int main(void) {
     printf(MESSAGE);
     return 0;
 }

test cases/common/215 link custom/prog.c

@@ -1,6 +1,6 @@
 void flob();
 
-int main() {
+int main(void) {
     flob();
     return 0;
 }

test cases/common/216 link custom_i single from multiple/prog.c

@@ -1,5 +1,5 @@
 int flob();
 
-int main() {
+int main(void) {
     return (flob() == 1 ? 0 : 1);
 }

test cases/common/217 link custom_i multiple from multiple/prog.c

@@ -1,7 +1,7 @@
 void flob_1();
 void flob_2();
 
-int main() {
+int main(void) {
     flob_1();
     flob_2();
     return 0;

test cases/common/225 include_dir dot/src/main.c

@@ -1,5 +1,5 @@
 #include "rone.h"
 
-int main() {
+int main(void) {
     return rOne();
-}
+}

test cases/common/23 object extraction/main.c

@@ -1,5 +1,5 @@
 int func();
 
-int main() {
+int main(void) {
     return func() == 42 ? 0 : 1;
 }

test cases/common/24 endian/prog.c

@@ -8,7 +8,7 @@ int is_big_endian(void) {
 }
 
 
-int main() {
+int main(void) {
     int is_be_check = is_big_endian();
     int is_be;
 #ifdef IS_BE

test cases/common/26 config subdir/src/prog.c

@@ -1,5 +1,5 @@
 #include "config.h"
 
-int main() {
+int main(void) {
     return RETURN_VALUE;
 }

test cases/common/27 pipeline/depends/prog.c

@@ -1,5 +1,5 @@
 int func();
 
-int main() {
+int main(void) {
     return func() != 42;
 }

test cases/common/27 pipeline/prog.c

@@ -1,5 +1,5 @@
 int func();
 
-int main() {
+int main(void) {
     return func();
 }

test cases/common/27 pipeline/src/prog.c

@@ -1,6 +1,6 @@
 #include"input_src.h"
 
-int main() {
+int main(void) {
     void *foo = printf;
     if(foo) {
         return 0;

test cases/common/33 define10/prog.c

@@ -1,7 +1,7 @@
 #include<stdio.h>
 #include"config.h"
 
-int main() {
+int main(void) {
     if(ONE != 1) {
         fprintf(stderr, "ONE is not 1.\n");
         return 1;

test cases/common/36 tryrun/ok.c

@@ -1,5 +1,6 @@
 #include<stdio.h>
-int main() {
+
+int main(void) {
   printf("%s\n", "stdout");
   fprintf(stderr, "%s\n", "stderr");
   return 0;

test cases/common/42 library chain/main.c

@@ -1,5 +1,5 @@
 int libfun();
 
-int main() {
+int main(void) {
   return libfun();
 }

test cases/common/44 test args/env2vars.c

@@ -2,7 +2,7 @@
 #include<string.h>
 #include<stdlib.h>
 
-int main() {
+int main(void) {
     if(strcmp(getenv("first"), "something-else") != 0) {
         fprintf(stderr, "First envvar is wrong. %s\n", getenv("first"));
         return 1;

test cases/common/44 test args/envvars.c

@@ -2,7 +2,7 @@
 #include<string.h>
 #include<stdlib.h>
 
-int main() {
+int main(void) {
     if(strcmp(getenv("first"), "val1") != 0) {
         fprintf(stderr, "First envvar is wrong. %s\n", getenv("first"));
         return 1;

test cases/common/45 subproject/subprojects/sublib/simpletest.c

@@ -1,5 +1,5 @@
 #include<subdefs.h>
 
-int main() {
+int main(void) {
     return subfunc() == 42 ? 0 : 1;
 }

test cases/common/45 subproject/user.c

@@ -2,7 +2,7 @@
 #include<stdio.h>
 
 
-int main() {
+int main(void) {
     int res;
     printf("Calling into sublib now.\n");
     res = subfunc();

test cases/common/48 custom install dirs/prog.c

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

test cases/common/49 subproject subproject/prog.c

@@ -1,5 +1,5 @@
 int func();
 
-int main() {
+int main(void) {
     return func() == 42 ? 0 : 1;
 }

test cases/common/5 linkstatic/main.c

@@ -1,5 +1,5 @@
 int func();
 
-int main() {
+int main(void) {
     return func();
 }

test cases/common/50 same file name/prog.c

@@ -1,6 +1,6 @@
 int func1();
 int func2();
 
-int main() {
+int main(void) {
     return func1() - func2();
 }