strisdigit_s.c File Reference

#include "safe_str_lib.h"

Include dependency graph for strisdigit_s.c:

Functions
bool	strisdigit_s (const char *dest, rsize_t dmax)
	This function checks that the entire string contains digits. More...

Function Documentation

strisdigit_s()

bool strisdigit_s	(	const char *	dest,
		rsize_t	dmax
	)

This function checks that the entire string contains digits.

The scanning stops at the first null or after dmax characters.

Remarks

EXTENSION TO ISO/IEC TR 24731, Programming languages, environments and system software interfaces, Extensions to the C Library, Part I: Bounds-checking interfaces

Parameters

dest	pointer to string
dmax	maximum length of string

Precondition

dest shall not be a null pointer.

dmax shall not equal zero.

dmax shall not be greater than RSIZE_MAX_STR..

Returns

true when string is digit

false when string is not digit or an error occurred

See also

strisalphanumeric_s(), strisascii_s(), strishex_s(), strislowercase_s(), strismixedcase_s(), strisuppercase_s()