sys_getexepath.c

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/* get the executable path */

#include "../fb.h"
#include <windows.h>

char *fb_hGetExePath( char *dst, ssize_t maxlen )
{
        GetModuleFileName( GetModuleHandle( NULL ), dst, maxlen );

        char *p = strrchr( dst, '\\' );
        if( p != NULL )
                *p = '\0';
        else
                dst[0] = '\0';

        /* just a drive letter? make sure \ follows to prevent using relative path */
        if( maxlen > 3 && dst[2] == '\0' && dst[1] == ':' )
        {
                if( (dst[0] & ~32) >= 'A' && (dst[0] & ~32) <= 'Z' )
                {
                        dst[2] = '\\';
                        dst[3] = '\0';
                }
        }

        return p;
}