Emerson

Hi, I'm trying to write a file using the routine in the documentation, and the external builds ok, but when it is sent the filename, though it creates a file with that name, the file is always containing zero bytes. It cannot write the data/text in the created file. (Btw, when I use sysfile_write, it crashes Max. I even tried to resort to general methods with stdio.h: FILE *fp and fopen/fwrite/fclose, but they are ineffective.)

void fthing_write(t_fthing *x, t_symbol *s);

void fthing_dowrite(t_fthing *x, t_symbol *s);

class_addmethod(c, (method)fthing_write, "write", A_DEFSYM, 0);

void fthing_write(t_fthing *x, t_symbol *s)

defer(x, (method)fthing_dowrite, s, 0, NULL);

void fthing_dowrite(t_fthing *x, t_symbol *s)

err = path_createsysfile(filename, path, 'TEXT', &fh);

err = sysfile_writetextfile(fh, &buf, TEXT_LB_NATIVE);

Any help to find out what's missing here?

Hi, I'm trying to write a file using the routine in the documentation, and the external builds ok, but when it is sent the filename, though it creates a file with that name, the file is always containing zero bytes. It cannot write the data/text in the created file. (Btw, when I use sysfile_write, it crashes Max. I even tried to resort to general methods with stdio.h: FILE *fp and fopen/fwrite/fclose,  but they are ineffective.)

void fthing_write(t_fthing *x, t_symbol *s);
void fthing_dowrite(t_fthing *x, t_symbol *s);

void fthing_write(t_fthing *x, t_symbol *s)
{
    defer(x, (method)fthing_dowrite, s, 0, NULL);
}

void fthing_dowrite(t_fthing *x, t_symbol *s)
{
    char filename[MAX_FILENAME_CHARS];
    short path = path_getdefault();
    char *buf = "write me into a file";
    long err;
    t_filehandle fh;
 

   err = path_createsysfile(filename, path, 'TEXT', &fh);
    if (err)
    {
        post("could not create file");
        return;
    }
 

   err = sysfile_writetextfile(fh, &buf, TEXT_LB_NATIVE);
    post("%ld", err); //err shows 0.
    sysfile_close(fh);
}

Hi, I'm trying to write a file using the routine in the documentation, and the external builds ok, but when it is sent the filename, though 

cannot-write-with-sysfile_write-or-sysfile_writetextfile

Can updating from 8.1.2 to the new 8.1.3 solve this problem? (Using Mojave, not Catalina.)

Just did the update, the problem didn't go away.

To conclude the monologue on this topic, let me mention how I solved it so it may help someone else:

1. Including ext_path.h is not enough; file writing functions also need ext_sysfile.h.

2. In the writing-not-restricted-to-text (fwrite substitute) option, variable "count" given in the example from documentation causes a type mismatch in the function call. Instead of "long", it must be declared as "unsigned long long".

To conclude the monologue on this topic, let me mention how I solved it so it may help someone else: 

1. Including ext_path.h is not enough; file writing functions also need ext_sysfile.h. 

2. In the writing-not-restricted-to-text  (fwrite substitute) option, variable "count" given in the example from documentation causes a type mismatch in the function call. Instead of "long", it must be declared as "unsigned long long".

Cannot write with sysfile_write or sysfile_writetextfile