strstr_s.c File Reference

#include "safe_str_lib.h"

Include dependency graph for strstr_s.c:

Functions
EXPORT errno_t	strstr_s (char *dest, rsize_t dmax, const char *src, rsize_t slen, char **substring)
	The strstr_s() function locates the first occurrence of the substring pointed to by src which would be located in the string pointed to by dest. More...

Function Documentation

strstr_s()

EXPORT errno_t strstr_s	(	char *	dest,
		rsize_t	dmax,
		const char *	src,
		rsize_t	slen,
		char **	substring
	)

The strstr_s() function locates the first occurrence of the substring pointed to by src which would be located in the string pointed to by dest.

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 be searched for the substring
[in]	dmax	restricted maximum length of dest string
[in]	src	pointer to the sub string
[in]	slen	the maximum number of characters to use from src
[out]	substring	the returned substring pointer

Precondition

Neither dest nor src shall be a null pointer.

Neither dmax nor slen shall not be 0.

Neither dmax nor slen shall not be greater than RSIZE_MAX_STR.

Return values

EOK	when successful operation, substring found.
ESNULLP	when dest/src/substring is NULL pointer
ESZEROL	when dmax/slen = 0
ESLEMAX	when dmax/slen > RSIZE_MAX_STR
ESNOTFND	when substring not found

See also

strprefix_s(), strspn_s(), strcspn_s(), strpbrk_s()