qcsapi_output.h

/*SH1
*******************************************************************************
**                                                                           **
**         Copyright (c) 2009 - 2011 Quantenna Communications Inc            **
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**  File        : qcsapi.h                                                   **
**  Description :                                                            **
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EH1*/

#ifndef _QCSAPI_OUTPUT_H
#define _QCSAPI_OUTPUT_H

#include <sys/types.h>
#include <stdarg.h>

enum qcsapi_print_type {
	OUT,
	ERR,
};

struct qcsapi_output_bufinfo {
	char	**buf;
	ssize_t	bufsize;
	ssize_t	bytes_written;
};

typedef struct qcsapi_output {
	int (*func)(struct qcsapi_output*, enum qcsapi_print_type, const char *, va_list args);
	struct qcsapi_output_bufinfo out;
	struct qcsapi_output_bufinfo err;
#define QCSAPI_OUTPUT_REALLOC	0x1
	int flags;
} qcsapi_output;

extern struct qcsapi_output qcsapi_output_stdio_adapter(void);
extern struct qcsapi_output qcsapi_output_buf_adapter(char **stdout_buf, size_t stdout_bufsize,
		char **stderr_buf, size_t stderr_bufsize, int realloc_allowed);

static inline int print_out(struct qcsapi_output *output, const char *format, ...)
{
	int ret;
	va_list args;

	va_start(args, format);
	ret = output->func(output, OUT, format, args);
	va_end(args);

	return ret;
}

static inline int print_err(struct qcsapi_output *output, const char *format, ...)
{
	int ret;
	va_list args;

	va_start(args, format);
	ret = output->func(output, ERR, format, args);
	va_end(args);

	return ret;
}

#endif	/* _QCSAPI_OUTPUT_H */