diff options
Diffstat (limited to 'libpam/include/pam_inline.h')
| -rw-r--r-- | libpam/include/pam_inline.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libpam/include/pam_inline.h b/libpam/include/pam_inline.h index a5aceb8a..cc302248 100644 --- a/libpam/include/pam_inline.h +++ b/libpam/include/pam_inline.h @@ -45,6 +45,26 @@ #define PAM_ARRAY_SIZE(a_) (sizeof(a_) / sizeof((a_)[0]) + PAM_MUST_BE_ARRAY(a_)) /* + * Zero-extend a signed integer type to unsigned long long. + */ +# define zero_extend_signed_to_ull(v_) \ + (sizeof(v_) == sizeof(char) ? (unsigned long long) (unsigned char) (v_) : \ + sizeof(v_) == sizeof(short) ? (unsigned long long) (unsigned short) (v_) : \ + sizeof(v_) == sizeof(int) ? (unsigned long long) (unsigned int) (v_) : \ + sizeof(v_) == sizeof(long) ? (unsigned long long) (unsigned long) (v_) : \ + (unsigned long long) (v_)) + +/* + * Sign-extend an unsigned integer type to long long. + */ +# define sign_extend_unsigned_to_ll(v_) \ + (sizeof(v_) == sizeof(char) ? (long long) (signed char) (v_) : \ + sizeof(v_) == sizeof(short) ? (long long) (signed short) (v_) : \ + sizeof(v_) == sizeof(int) ? (long long) (signed int) (v_) : \ + sizeof(v_) == sizeof(long) ? (long long) (signed long) (v_) : \ + (long long) (v_)) + +/* * Returns NULL if STR does not start with PREFIX, * or a pointer to the first char in STR after PREFIX. * The length of PREFIX is specified by PREFIX_LEN. |