#include <unistd.h>

#include <perk/perk.h>

static inline FILE * pe_output_prolog(

	const struct pe_common_ctx *	cctx,

	FILE *				fout,

	FILE **				ftmp)

{

	int fdout;

	*ftmp = (FILE *)0;

	if (fout)

		return fout;

	else if (!cctx)

		return 0;

	else if (cctx->fdout < 0)

		return stdout;

	if ((fdout = dup(cctx->fdout)) < 0)

		return 0;

	if ((*ftmp = fdopen(fdout,"a")))

		return *ftmp;

	close(fdout);

	return 0;

}

static inline int pe_output_epilog(int ret, FILE * f)

{

	if (f)

		fclose(f);

	return ret;

}