Exported struct and functions have conflict with others

[taozuhong]

C:/msys/ucrt64/include/winbase.h:1511:27: error: conflicting types for 'OpenFile'; have 'HFILE(const CHAR *, struct _OFSTRUCT *, UINT)' {aka 'int(const char *, struct _OFSTRUCT *, unsigned int)'}
 1511 |   WINBASEAPI HFILE WINAPI OpenFile (LPCSTR lpFileName, LPOFSTRUCT lpReOpenBuff, UINT uStyle);
      |                           ^~~~~~~~
In file included from src/kangaroo.exe.p/main.c:17:
cgo-gcc-export-header-prolog:301:51: note: previous declaration of 'OpenFile' with type 'struct OptionsResult(char *, struct Options *)'
src/kangaroo.exe.p/main.c: In function '_vala_main':
src/kangaroo.exe.p/main.c:42:9: error: unknown type name 'Options'; use 'struct' keyword to refer to the type
   42 |         Options _tmp1_ = {0};
      |         ^~~~~~~
      |         struct
src/kangaroo.exe.p/main.c:43:9: error: unknown type name 'Options'; use 'struct' keyword to refer to the type
   43 |         Options _tmp2_;
      |         ^~~~~~~
      |         struct
../src/main.vala:20:16: error: assignment to 'GoInt *' {aka 'long long int *'} from 'GoInt' {aka 'long long int'} makes pointer from integer without a cast [-Wint-conversion]
   20 |         Excelize.Workbook book = new Excelize.Workbook();
      |                ^
../src/main.vala:21:37: error: 'Options' undeclared (first use in this function)
   21 |         book.SaveAs("test.xlsx", Excelize.Options());
      |                                     ^~~~~~~
../src/main.vala:21:37: note: each undeclared identifier is reported only once for each function it appears in
../src/main.vala:21:26: error: passing argument 1 of 'SaveAs' makes integer from pointer without a cast [-Wint-conversion]
   21 |         book.SaveAs("test.xlsx", Excelize.Options());
      |                          ^~~~
      |                          |
      |                          GoInt * {aka long long int *}
cgo-gcc-export-header-prolog:315:49: note: expected 'GoInt' {aka 'long long int'} but argument is of type 'GoInt *' {aka 'long long int *'}
../src/main.vala:21:45: warning: passing argument 3 of 'SaveAs' from incompatible pointer type [-Wincompatible-pointer-types]
   21 |         book.SaveAs("test.xlsx", Excelize.Options());
      |                                             ^~~~~~~
      |                                             |
      |                                             int *
cgo-gcc-export-header-prolog:315:82: note: expected 'struct Options *' but argument is of type 'int *'
../src/main.vala:21:9: error: implicit declaration of function 'excelize_options_destroy' [-Wimplicit-function-declaration]
   21 |         book.SaveAs("test.xlsx", Excelize.Options());
      |         ^~~~~~~~~~~~~~~~~~~~~~~~
../src/main.vala:26:18: error: passing argument 1 of 'Close' makes integer from pointer without a cast [-Wint-conversion]
   26 |         return KApplication.singleton.run(args);
      |                  ^~~~
      |                  |
      |                  GoInt * {aka long long int *}
src/kangaroo.exe.p/main.c:31:61: note: in definition of macro '_Close0'
   31 | #define _Close0(var) ((var == NULL) ? NULL : (var = (Close (var), NULL)))
      |                                                             ^~~
cgo-gcc-export-header-prolog:165:48: note: expected 'GoInt' {aka 'long long int'} but argument is of type 'GoInt *' {aka 'long long int *'}
ninja: build stopped: subcommand failed.

[taozuhong]

Some thoughts about the library interface:

1. exported functions add prefix excelize_
2. OptionsResult.idx type not same as NewFile
3. File handle convert to GoInt is the right choice?

[xuri]

Thanks for your feedback. Could you show us a complete, standalone example program or reproducible demo?

[taozuhong]

I use it with Vala language via vapi, not C with the header files directly, can't locate the error directly.

Maybe we should write a C program to use it.

[taozuhong]

I've made a C language example, it works fine, the C header files are good

#include <stdio.h>
#include <excelize/excelize.h>

int main() {
    GoInt f = NewFile();
    NewSheet(f, "Sheet1");
    SetCellStr(f, "Sheet1", "A1", "Hello World!");
    SaveAs(f, "test.xlsx", NULL);
    Close(f);
    return 0;
}

build command:
gcc -o test test.c <path>/excelize.dll

[xuri]

If the problem doesn't need to be fixed, please close this. Thanks.