ref: 8e212d00e17c23b79489215d6cc41da22381a550
dir: /lib/c/stdio/fopen.c/
#include <errno.h> #include <stdio.h> #include "../syscall.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); }