zos-io.h File Reference

#include "zos-macros.h"
#include <stdarg.h>
#include <sys/types.h>

Go to the source code of this file.

Functions
__Z_EXPORT int	dprintf (int fd, const char *,...)
__Z_EXPORT int	vdprintf (int fd, const char *, va_list ap)
__Z_EXPORT void	__dump (int fd, const void *addr, size_t len, size_t bw)
__Z_EXPORT void	__dump_title (int fd, const void *addr, size_t len, size_t bw, const char *,...)
__Z_EXPORT void	__console (const void *p_in, int len_i)
__Z_EXPORT int	__console_printf (const char *fmt,...)
__Z_EXPORT int	__find_file_in_path (char *out, int size, const char *envvar, const char *file)
__Z_EXPORT int	__chgfdccsid (int fd, unsigned short ccsid)
__Z_EXPORT int	__chgfdcodeset (int fd, char *codeset)
__Z_EXPORT int	__setfdtext (int fd)
__Z_EXPORT int	__setfdbinary (int fd)
__Z_EXPORT int	__disableautocvt (int fd)
__Z_EXPORT int	__copyfdccsid (int sourcefd, int destfd)
__Z_EXPORT int	__getfdccsid (int fd)
__Z_EXPORT int	__setfdccsid (int fd, int t_ccsid)
__Z_EXPORT int	__getLogMemoryFileNo ()
__Z_EXPORT void	__memprintf (const char *format,...)

Function Documentation

__chgfdccsid()

__Z_EXPORT int __chgfdccsid	(	int	fd,
		unsigned short	ccsid
	)

Change file descriptor to CCSID.

Parameters

[in]	fd	file descriptor.
[in]	ccsid	CCSID.

Returns

returns 0 if successful, or -1 on failure.

__chgfdcodeset()

__Z_EXPORT int __chgfdcodeset	(	int	fd,
		char *	codeset
	)

Change file descriptor to CCSID from a codeset

Parameters

[in]	fd	file descriptor.
[in]	codeset	code set

Returns

returns 0 if successful, or -1 on failure.

__console()

__Z_EXPORT void __console	(	const void *	p_in,
		int	len_i
	)

Print given buffer to MVS Console.

__console_printf()

__Z_EXPORT int __console_printf	(	const char *	fmt,
			...
	)

Print formatted data to MVS Console.

__copyfdccsid()

__Z_EXPORT int __copyfdccsid	(	int	sourcefd,
		int	destfd
	)

Copy ccsid from source fd to destination fd

Parameters

[in]	sourcefd	file descriptor.
[in]	destfd	file descriptor.

Returns

returns 0 if successful, or -1 on failure.

__disableautocvt()

__Z_EXPORT int __disableautocvt

(

int

fd

)

Disable auto-conversion on file descriptors

Parameters

[in]

fd

file descriptor.

Returns

returns 0 if successful, or -1 on failure.

__dump()

__Z_EXPORT void __dump	(	int	fd,
		const void *	addr,
		size_t	len,
		size_t	bw
	)

Dump to console.

__dump_title()

__Z_EXPORT void __dump_title	(	int	fd,
		const void *	addr,
		size_t	len,
		size_t	bw,
		const char *	format,
			...
	)

Dump title to console.

__find_file_in_path()

__Z_EXPORT int __find_file_in_path	(	char *	out,
		int	size,
		const char *	envvar,
		const char *	file
	)

Finds file in a given path

Parameters

[out]	out	Found path string
[in]	size	Max size of path string
[in]	envar	Environment variable to search
[in]	file	file to search

Returns

returns non-zero if successful, 0 if not found.

__getfdccsid()

__Z_EXPORT int __getfdccsid

(

int

fd

)

Get file descriptor CCSID.

Parameters

[in]

fd

file descriptor.

Returns

returns file descriptors ccsid.

__getLogMemoryFileNo()

__Z_EXPORT int __getLogMemoryFileNo

(

)

Returns the fileno to which memory diagnostics is written (use for instance in a __display_backtrace(__getLogMemoryFileNo()); call).

__memprintf()

__Z_EXPORT void __memprintf	(	const char *	format,
			...
	)

Logs memory allocation and release to the file name specified in the environment variable zoslib_config_t.MEMORY_USAGE_LOG_FILE_ENVAR.

Parameters

[in]

same

as C's printf() parameters

__setfdbinary()

__Z_EXPORT int __setfdbinary

(

int

fd

)

Change file descriptor to binary

Parameters

[in]

fd

file descriptor.

Returns

returns 0 if successful, or -1 on failure.

__setfdccsid()

__Z_EXPORT int __setfdccsid	(	int	fd,
		int	t_ccsid
	)

Set file descriptor to the provided CCSID.

Parameters

[in]	fd	file descriptor.
[in]	t_ccsid	CCSID.

Returns

returns 0 if successful, or -1 on failure.

__setfdtext()

__Z_EXPORT int __setfdtext

(

int

fd

)

Change file descriptor to text (819 or controlled via envar)

Parameters

[in]

fd

file descriptor.

Returns

returns 0 if successful, or -1 on failure.

dprintf()

__Z_EXPORT int dprintf	(	int	fd,
		const char *	fmt,
			...
	)

Debug Printf.

Returns

returns total number of bytes written to file descriptor

vdprintf()

__Z_EXPORT int vdprintf	(	int	fd,
		const char *	fmt,
		va_list	ap
	)

Variadic Debug Printf.

Returns

returns total number of bytes written to file descriptor