shithub: scc

ref: 82985457cab187b4e4b2f6706cdea31a2f3fa879
dir: /src/libc/stdio/fopen.c/

View raw version 
#include <errno.h>
#include <stdio.h>

#include "../libc.h"

#undef fopen

FILE *
fopen(const char * restrict name, const char * restrict mode)
{
	FILE *fp;

	for (fp = __iob; fp < &__iob[FOPEN_MAX]; ++fp) {
		if ((fp->flags & (_IOREAD | _IOWRITE | _IORW)) == 0)
			break;
	}
	if (fp == &__iob[FOPEN_MAX]) {
		errno = ENOMEM;
		return NULL;
	}

	return _fpopen(name, mode, fp);
}