strlastchar_s.c File Reference

#include "safe_str_lib.h"

Include dependency graph for strlastchar_s.c:

Functions
EXPORT errno_t	strlastchar_s (char *dest, rsize_t dmax, char c, char **last)
	Returns a pointer to the last occurrence of character c in dest. More...

Function Documentation

strlastchar_s()

EXPORT errno_t strlastchar_s	(	char *	dest,
		rsize_t	dmax,
		char	c,
		char **	last
	)

Returns a pointer to the last occurrence of character c in dest.

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

[in]	dest	pointer to string to compare against
[in]	dmax	restricted maximum length of string
[in]	c	character to locate
[out]	last	returned pointer to first occurrence of c

Precondition

dest shall not be a null pointer.

last shall not be a null pointer.

dmax shall not be 0

dmax shall not be greater than RSIZE_MAX_STR

Returns

pointer to last occurence of c, NULL if not found

Return values

EOK	when pointer to last occurrence is returned
ESNULLP	when dst/first is NULL pointer
ESZEROL	when dmax = 0
ESLEMAX	when dmax > RSIZE_MAX_STR

See also

strfirstchar_s(), strfirstdiff_s(), strfirstsame_s(), strlastdiff_s(), strlastsame_s()