util.h File Reference

hl7 utilitiy functions More...

#include <stddef.h>
#include <string.h>
#include "node.h"

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Macros
#define	SIZE_T_L   "%ld"
#define	MARKER_T   "\u251C"
#define	MARKER_L   "\u2514"
#define	MARKER_D   "\u2500"

Functions
void *	memdup (void *src, size_t length)
	copy a chunck of memory More...
void	dump_structure (message_t *message)
	print a parsed HL7 structure More...
char *	trim (char *str)
	trim white space at the beginnign and end of a string More...
char *	escape (char *str, char *quote_char, char escape_char)
	escape a character in a string More...

Detailed Description

hl7 utilitiy functions

Macro Definition Documentation

MARKER_D

#define MARKER_D   "\u2500"

console marker for none

MARKER_L

#define MARKER_L   "\u2514"

console marker for leaf

MARKER_T

#define MARKER_T   "\u251C"

console marker for node

SIZE_T_L

#define SIZE_T_L   "%ld"

unix long int

Function Documentation

dump_structure()

void dump_structure

(

message_t *

message

)

print a parsed HL7 structure

debug function, used by 7parse to display an ASCII tree of the file content.

Parameters

message

the message to print

escape()

char* escape	(	char *	str,
		char *	quote_char,
		char	escape_char
	)

escape a character in a string

This function will allcoate a new string with all occourances of quote_char prepended with escape_char.

You must take care of freeing the result!

Parameters

str	string to escape
quote_char	the character to find and escape
escape_char	the character to prepend in front of quote char

Returns

char array with double quote backslash escaped

memdup()

void* memdup	(	void *	src,
		size_t	length
	)

copy a chunck of memory

Will allocate memory for you, you are in charge to free it later.

Parameters

src	byte array to copy
length	length of input array

Returns

pointer to copy byte array

trim()

char* trim

(

char *

str

)

trim white space at the beginnign and end of a string

Note

all trailing bytes of whitespace are replaced with '\0' in the original string and the pointer is shifted at the beginning to the first non whitespace character. You will loos track of the original beginning of the memory chunk. Use with care (always use a copy of the original pointer).

Parameters

[out]

str

to string

Returns

pointer to the new beginning of the string