| #ifndef ASN1P_INTEGER_H |
| #define ASN1P_INTEGER_H |
| |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif /* HAVE_CONFIG_H */ |
| |
| #ifdef HAVE_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif /* HAVE_SYS_TYPES_H */ |
| #ifdef HAVE_INTTYPES_H |
| #include <inttypes.h> /* POSIX 1003.1-2001, C99 */ |
| #else /* HAVE_INTTYPES_H */ |
| #ifdef HAVE_STDINT_H |
| #include <stdint.h> /* SUSv2+ */ |
| #endif /* HAVE_STDINT_H */ |
| #endif /* HAVE_INTTYPES_H */ |
| |
| /* |
| * Basic integer type used in numerous places. |
| * ASN.1 does not define any limits on this number, so it must be sufficiently |
| * large to accomodate typical inputs. It does not have to be a dynamically |
| * allocated type with potentially unlimited width: consider the width of |
| * an integer defined here as one of the "compiler limitations". |
| * NOTE: this is NOT a type for ASN.1 "INTEGER" type representation, this |
| * type is used by the compiler itself to handle large integer values |
| * specified inside ASN.1 grammar. |
| */ |
| #ifdef HAVE_128_BIT_INT |
| typedef __int128 asn1c_integer_t; |
| #else |
| typedef intmax_t asn1c_integer_t; |
| #endif |
| |
| int asn1p_atoi(const char *ptr, asn1c_integer_t *r_value); |
| const char *asn1p_itoa(asn1c_integer_t value); /* Ptr to a static buf */ |
| /* |
| * Return values: |
| * -1: The value did not fit in the buffer. |
| * >0: The length in bytes of the stringified numeric value. |
| */ |
| int asn1p_itoa_s(char *buf, size_t size, |
| asn1c_integer_t value); /* Return -1 on error, or length. */ |
| |
| #endif /* ASN1P_INTEGER_H */ |