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