strutil.c File Reference

String utility functions. More...

#include <ctype.h>
#include <math.h>
#include "strutil.h"

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Functions
int	EatWhitespace (const char **StrPtr)
	Eat whitespace characters in a string.
int	ParseNumber (double *Number, const char **StrPtr, int FloatAllowed)
	Read a number from a string.

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Detailed Description

String utility functions.

Author:

Pascal Getreuer <getreuer@gmail.com>

Copyright (c) 2011, Pascal Getreuer All rights reserved.

This program is free software: you can use, modify and/or redistribute it under the terms of the simplified BSD License. You should have received a copy of this license along this program. If not, see <http://www.opensource.org/licenses/bsd-license.html>.

Definition in file strutil.c.

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Function Documentation

int EatWhitespace

(

const char **

StrPtr

)

Eat whitespace characters in a string.

Parameters:

StrPtr

char** pointing to a pointer to the character array

Returns:

1 if a non-space character is found, 0 if the string terminates

This function advances a pointer to a string to consume as much whitespace as possible. Upon returning, *StrPos points to the first non-space character. If the string terminates without a non-space character, *StrPos is the location of the null terminator.

Definition at line 31 of file strutil.c.

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int ParseNumber	(	double *	Number,
		const char **	StrPtr,
		int	FloatAllowed
	)

Read a number from a string.

Parameters:

Number	is a pointer to where to store the result
StrPtr	char** pointing to a pointer to the character array
FloatAllowed	whether decimal or scientific notations are allowed

Returns:

1 on success, 0 on failure

The routine consumes leading whitespace and reads as many characters as possible to form a valid floating-point number in decimal or scientific notation. Upon returning, *StrPos points to the character immediately following the number.

Definition at line 55 of file strutil.c.

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