diff options
Diffstat (limited to 'include/util.h')
| -rw-r--r-- | include/util.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/util.h b/include/util.h index 179f05f16..b0d8613ce 100644 --- a/include/util.h +++ b/include/util.h @@ -270,6 +270,14 @@ int vasprintf ( char **result, const char *format, va_list args); #define hexdigitp(a) (digitp (a) \ || (*(a) >= 'A' && *(a) <= 'F') \ || (*(a) >= 'a' && *(a) <= 'f')) +/* the atoi macros assume that the buffer has only valid digits */ +#define atoi_1(p) (*(p) - '0' ) +#define atoi_2(p) ((atoi_1(p) * 10) + atoi_1((p)+1)) +#define atoi_4(p) ((atoi_2(p) * 100) + atoi_2((p)+2)) +#define xtoi_1(p) (*(p) <= '9'? (*(p)- '0'): \ + *(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10)) +#define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1)) + /* Note this isn't identical to a C locale isspace() without \f and \v, but works for the purposes used here. */ #define ascii_isspace(a) ((a)==' ' || (a)=='\n' || (a)=='\r' || (a)=='\t') |