50 lines
991 B
C
50 lines
991 B
C
#include "__fio.h"
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#include "__syscall.h"
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#include "unistd.h"
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struct __io_file __stdin = { .fd = 0 };
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struct __io_file __stdout = { .fd = 1 };
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struct __io_file __stderr = { .fd = 2 };
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struct __io_file *stdin = &__stdin;
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struct __io_file *stdout = &__stdout;
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struct __io_file *stderr = &__stderr;
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int __fileno(struct __io_file *f)
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{
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return f->fd;
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}
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unsigned int __fio_write(struct __io_file *f, const char *buf, unsigned int sz)
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{
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for (unsigned int i = 0; i < sz; i++) {
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if (f->buf_idx >= __FIO_BUFSZ) {
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__fio_flush(f);
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}
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f->buf[f->buf_idx++] = buf[i];
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if (buf[i] == '\n') {
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__fio_flush(f);
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}
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}
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return sz;
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}
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unsigned int __fio_flush(struct __io_file *f)
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{
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ssize_t res = write(f->fd, f->buf, f->buf_idx);
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if (res != f->buf_idx) {
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f->err = 1;
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}
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size_t flushed = f->buf_idx;
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f->buf_idx = 0;
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return flushed;
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}
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int __fio_error(struct __io_file *f)
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{
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return f->err != 0;
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}
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