strlastsame_s.c File Reference

#include "safe_str_lib.h"

Include dependency graph for strlastsame_s.c:

Functions
EXPORT errno_t	strlastsame_s (const char *dest, rsize_t dmax, const char *src, rsize_t *idx)
	Returns the index of the last character that is the same between dest and src. More...

Function Documentation

strlastsame_s()

EXPORT errno_t strlastsame_s	(	const char *	dest,
		rsize_t	dmax,
		const char *	src,
		rsize_t *	idx
	)

Returns the index of the last character that is the same between dest and src.

The scanning stops at the first nul in dest or src, 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

[in]	dest	pointer to string to compare against
[in]	dmax	restricted maximum length of string dest
[in]	src	pointer to the string to be compared to dest
[out]	idx	pointer to returned index

Precondition

Neither dest nor src shall be a null pointer.

indicator shall not be a null pointer.

dmax shall not be 0.

dmax shall not be greater than RSIZE_MAX_STR.

Returns

index to last same char, when the return code is OK

Return values

EOK	when index to last same char is returned
ESNULLP	when dst/src/idx is NULL pointer
ESZEROL	when dmax = 0
ESLEMAX	when dmax > RSIZE_MAX_STR
ESNOTFND	when not found

See also

strfirstchar_s(), strfirstdiff_s(), strfirstsame_s(), strlastchar_s(), strlastdiff_s()