Argument Manipulation API.

Files
file	argv.h

Functions
void	argvPrint (const char *msg, ARGV_const_t argv, FILE *fp)
	Print argv array elements. More...
ARGI_t	argiFree (ARGI_t argi)
	Destroy an argi array. More...
ARGV_t	argvNew (void)
	Create an empty argv array. More...
ARGV_t	argvFree (ARGV_t argv)
	Destroy an argv array. More...
int	argiCount (ARGI_const_t argi)
	Return no. More...
ARGint_t	argiData (ARGI_const_t argi)
	Return data from argi array. More...
int	argvCount (ARGV_const_t argv)
	Return no. More...
ARGV_t	argvData (ARGV_t argv)
	Return data from argv array. More...
int	argvCmp (const void *a, const void *b)
	Compare argv arrays (qsort/bsearch). More...
int	argvSort (ARGV_t argv, int(*compar)(const void *, const void *))
	Sort an argv array. More...
ARGV_t	argvSearch (ARGV_const_t argv, const char *val, int(*compar)(const void *, const void *))
	Find an element in an argv array. More...
int	argiAdd (ARGI_t *argip, int ix, int val)
	Add an int to an argi array. More...
int	argvAdd (ARGV_t *argvp, const char *val)
	Add a string to an argv array. More...
int	argvAddNum (ARGV_t *argvp, int val)
	Add a number to an argv array (converting to a string). More...
int	argvAppend (ARGV_t *argvp, ARGV_const_t av)
	Append one argv array to another. More...
ARGV_t	argvSplitString (const char *str, const char *seps, argvFlags flags)
	Split a string into an argv array. More...
int	argvSplit (ARGV_t *argvp, const char *str, const char *seps)
	Split a string into an argv array. More...
char *	argvJoin (ARGV_const_t argv, const char *sep)
	Join an argv array into a string. More...

Detailed Description

Function Documentation

int argiAdd	(	ARGI_t *	argip,
		int	ix,
		int	val
	)

Add an int to an argi array.

Return values

*argip

argi array

Parameters

ix	argi array index (or -1 to append)
val	int arg to add

Returns

0 always

int argiCount

(

ARGI_const_t

argi

)

Return no.

of elements in argi array.

Parameters

argi	argi array

Returns

no. of elements

ARGint_t argiData

(

ARGI_const_t

argi

)

Return data from argi array.

Parameters

argi	argi array

Returns

argi array data address

ARGI_t argiFree

(

ARGI_t

argi

)

Destroy an argi array.

Parameters

argi	argi array

Returns

NULL always

int argvAdd	(	ARGV_t *	argvp,
		const char *	val
	)

Add a string to an argv array.

Return values

*argvp

argv array

Parameters

val	string arg to append

Returns

0 always

int argvAddNum	(	ARGV_t *	argvp,
		int	val
	)

Add a number to an argv array (converting to a string).

Return values

*argvp

argv array

Parameters

val	numeric arg to append

Returns

0 always

int argvAppend	(	ARGV_t *	argvp,
		ARGV_const_t	av
	)

Append one argv array to another.

Return values

*argvp

argv array

Parameters

av	argv array to append

Returns

0 always

int argvCmp	(	const void *	a,
		const void *	b
	)

Compare argv arrays (qsort/bsearch).

Parameters

a	1st instance address
b	2nd instance address

Returns

result of comparison

int argvCount

(

ARGV_const_t

argv

)

Return no.

of elements in argv array.

Parameters

argv	argv array

Returns

no. of elements

ARGV_t argvData

(

ARGV_t

argv

)

Return data from argv array.

Parameters

argv	argv array

Returns

argv array data address

ARGV_t argvFree

(

ARGV_t

argv

)

Destroy an argv array.

Parameters

argv	argv array

Returns

NULL always

Referenced by main().

char* argvJoin	(	ARGV_const_t	argv,
		const char *	sep
	)

Join an argv array into a string.

Parameters

*argv	argv array to join
sep	separator string to use

Returns

malloc'ed string

Referenced by build().

ARGV_t argvNew

(

void

)

Create an empty argv array.

Returns

pointer to empty argv

void argvPrint	(	const char *	msg,
		ARGV_const_t	argv,
		FILE *	fp
	)

Print argv array elements.

Parameters

msg	output message prefix (or NULL)
argv	argv array
fp	output file handle (NULL uses stderr)

ARGV_t argvSearch	(	ARGV_const_t	argv,
		const char *	val,
		int(*)(const void *, const void *)	compar
	)

Find an element in an argv array.

Parameters

argv	argv array
val	string to find
compar	strcmp-like comparison function, or NULL for argvCmp()

Returns

found string (NULL on failure)

int argvSort	(	ARGV_t	argv,
		int(*)(const void *, const void *)	compar
	)

Sort an argv array.

Parameters

argv	argv array
compar	strcmp-like comparison function, or NULL for argvCmp()

Returns

0 always

int argvSplit	(	ARGV_t *	argvp,
		const char *	str,
		const char *	seps
	)

Split a string into an argv array.

Return values

*argvp

argv array

Parameters

str	string arg to split
seps	separator characters

Returns

0 always

Referenced by buildArgCallback().

ARGV_t argvSplitString	(	const char *	str,
		const char *	seps,
		argvFlags	flags
	)

Split a string into an argv array.

Parameters

str	string arg to split
seps	separator characters
flags	flags to control behavior

Returns

argv array