util.c File Reference

#include "util.h"
#include "../defs.h"
#include "exception.h"
#include <ctype.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>

Functions
int	hex_to_int (char c)
	Get the integer value of hexadecimal ASCII representation. More...
int	parse_int (const char *s)
	Parse decimal or hexadecimal integer from s More...
char *	trim (char *s)
	Trim leading and trailing whitespace from s More...

Detailed Description

Note

NOT EXPORTED

Miscellaneous useful functions.

Function Documentation

hex_to_int()

int hex_to_int

(

char

c

)

Get the integer value of hexadecimal ASCII representation.

Parameters

c	the char to convert

Returns

-1 if failed, otherwise 0-15

parse_int()

int parse_int

(

const char *

s

)

Parse decimal or hexadecimal integer from s

Converts string s to an integer. Assumes decimal unless the first character is ‘’$'or'x'`.

Parameters

s	The string to convert.

Returns

-1 if failed, otherwise whatever the value is

trim()

char * trim

(

char *

s

)

Trim leading and trailing whitespace from s

Puts a NULL character after the last non-whitespace character and returns a pointer to the first non-whitespace character.

Parameters

s	string to trim

Returns

pointer to first non-whitespace character after s.