strisalphanumeric_s.c File Reference
#include "safe_str_lib.h"
Include dependency graph for strisalphanumeric_s.c:
Functions | |
| bool | strisalphanumeric_s (const char *dest, rsize_t dmax) |
| This function checks if the entire string contains alphanumerics. More... | |
Function Documentation
◆ strisalphanumeric_s()
| bool strisalphanumeric_s | ( | const char * | dest, |
| rsize_t | dmax | ||
| ) |
This function checks if the entire string contains alphanumerics.
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 dest is alphanumeric
- false when dest is not alphanumeric or an error occurred