null_stream.h File Reference

#include <derive-c/core/prelude.h>
#include <stdio.h>
#include <sys/types.h>

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Functions
static DC_PUBLIC FILE *	dc_null_stream (void)

Function Documentation

dc_null_stream()

DC_PUBLIC FILE * dc_null_stream ( void )

static

Definition at line 12 of file null_stream.h.

                                            {
    cookie_io_functions_t io = {
        .read = NULL,
        .write = NULL,
        .seek = NULL,
        .close = NULL,
    };
 
    FILE* f = fopencookie(NULL, "w", io);
    DC_ASSERT(f, "received nullptr from fopencookie");
 
    // Set io as unbuffered
    DC_ASSERT(setvbuf(f, NULL, _IONBF, 0) == 0, "setvbuf failed");
 
    return f;
}