#include "safe_str_lib.h"

Include dependency graph for strfirstsame_s.c:

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

Function Documentation

◆ strfirstsame_s()

EXPORT errno_t strfirstsame_s	(	const char *	dest,
		rsize_t	dmax,
		const char *	src,
		rsize_t *	index
	)

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

The scanning stops at the fisrt null 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]	index	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.

Return values

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

See also: strfirstchar_s(), strfirstdiff_s(), strlastchar_s(), strlastdiff_s(), strlastsame_s()