vscan.c File Reference

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/io.h>
#include "common/scan.h"

Include dependency graph for vscan.c:

Go to the source code of this file.

Macros
#define	_SCAN_GET(ctx)
#define	_SCAN_UNGET(ctx, c)

Functions
uint64_t	vscan (fd_t fd, const char *format, va_list args)
	Wrapper for reading from a file descriptor using scan formatting with va_list.

Macro Definition Documentation

_SCAN_GET

#define _SCAN_GET

(

ctx

)

Value:

    ({ \
        fd_t fd = (fd_t)(ctx)->private; \
        int res = EOF; \
        char c; \
        if (read(fd, &c, 1) == 1) \
        { \
            res = c; \
        } \
        res; \
    })

Definition at line 6 of file vscan.c.

_SCAN_UNGET

#define _SCAN_UNGET	(		ctx,
			c
	)

Value:

    ({ \
        fd_t fd = (fd_t)(ctx)->private; \
        if ((c) != EOF) \
        { \
            seek(fd, -1, SEEK_CUR); \
        } \
    })

Definition at line 18 of file vscan.c.