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-rw-r--r--include/mbstring.h20
-rw-r--r--include/rune.h9
-rw-r--r--lib/mbstring/u8prev.c15
-rw-r--r--lib/mbstring/u8tor.c10
4 files changed, 27 insertions, 27 deletions
diff --git a/include/mbstring.h b/include/mbstring.h
index 2b5ec01..0bf4685 100644
--- a/include/mbstring.h
+++ b/include/mbstring.h
@@ -13,19 +13,19 @@
#define U8_ARGSP(s) (&(s).p), (&(s).len)
/* clang-format off */
-#define U8_BYTE_1(x) (((x) & 0x80) == 0x00)
-#define U8_BYTE_2(x) (((x) & 0xE0) == 0xC0)
-#define U8_BYTE_3(x) (((x) & 0xF0) == 0xE0)
-#define U8_BYTE_4(x) (((x) & 0xF8) == 0xF0)
-#define U8_BYTE_C(x) (((x) & 0xC0) == 0x80)
+#define u8byte1(x) (((x) & 0x80) == 0x00)
+#define u8byte2(x) (((x) & 0xE0) == 0xC0)
+#define u8byte3(x) (((x) & 0xF0) == 0xE0)
+#define u8byte4(x) (((x) & 0xF8) == 0xF0)
+#define u8bytec(x) (((x) & 0xC0) == 0x80)
/* clang-format on */
-#define U8_1B_MAX RUNE_C(0x00007FL)
-#define U8_2B_MAX RUNE_C(0x0007FFL)
-#define U8_3B_MAX RUNE_C(0x00FFFFL)
-#define U8_4B_MAX RUNE_C(0x10FFFFL)
+constexpr rune U8_1B_MAX = 0x00007F;
+constexpr rune U8_2B_MAX = 0x0007FF;
+constexpr rune U8_3B_MAX = 0x00FFFF;
+constexpr rune U8_4B_MAX = 0x10FFFF;
-#define U8_LEN_MAX 4
+constexpr int U8_LEN_MAX = 4;
#define PRIsU8 ".*s"
#define U8_PRI_ARGS(sv) ((int)(sv).len), ((sv).p)
diff --git a/include/rune.h b/include/rune.h
index fc9f927..db08de2 100644
--- a/include/rune.h
+++ b/include/rune.h
@@ -28,9 +28,10 @@
#define RUNE_C(x) UINT32_C(x)
-#define ASCII_MAX RUNE_C(0x00007F)
-#define LATIN1_MAX RUNE_C(0x0000FF)
-#define RUNE_ERROR RUNE_C(0x00FFFD)
-#define RUNE_MAX RUNE_C(0x10FFFF)
+constexpr rune RUNE_ERROR = 0x00FFFD;
+
+constexpr rune ASCII_MAX = 0x00007F;
+constexpr rune LATIN1_MAX = 0x0000FF;
+constexpr rune RUNE_MAX = 0x10FFFF;
#endif /* !MLIB_RUNE_H */
diff --git a/lib/mbstring/u8prev.c b/lib/mbstring/u8prev.c
index 507f7e1..ff580c2 100644
--- a/lib/mbstring/u8prev.c
+++ b/lib/mbstring/u8prev.c
@@ -12,23 +12,22 @@ u8prev(rune *ch, const char8_t **p, const char8_t *start)
if (d <= 0) {
return 0;
- } else if (U8_BYTE_1(s[-1])) {
+ } else if (u8byte1(s[-1])) {
if (ch)
*ch = s[-1];
off = 1;
- } else if (d > 1 && U8_BYTE_C(s[-1]) && U8_BYTE_2(s[-2])) {
+ } else if (d > 1 && u8bytec(s[-1]) && u8byte2(s[-2])) {
if (ch)
*ch = ((s[-2] & 0x1F) << 6) | (s[-1] & 0x3F);
off = 2;
- } else if (d > 2 && U8_BYTE_C(s[-1]) && U8_BYTE_C(s[-2])
- && U8_BYTE_3(s[-3])) {
+ } else if (d > 2 && u8bytec(s[-1]) && u8bytec(s[-2]) && u8byte3(s[-3])) {
if (ch) {
- *ch =
- ((s[-3] & 0x0F) << 12) | ((s[-2] & 0x3F) << 6) | (s[-1] & 0x3F);
+ *ch = ((s[-3] & 0x0F) << 12) | ((s[-2] & 0x3F) << 6)
+ | (s[-1] & 0x3F);
}
off = 3;
- } else if (d > 3 && U8_BYTE_C(s[-1]) && U8_BYTE_C(s[-2]) && U8_BYTE_C(s[-3])
- && U8_BYTE_4(s[-4])) {
+ } else if (d > 3 && u8bytec(s[-1]) && u8bytec(s[-2]) && u8bytec(s[-3])
+ && u8byte4(s[-4])) {
if (ch) {
*ch = ((s[-4] & 0x07) << 18) | ((s[-3] & 0x3F) << 12)
| ((s[-2] & 0x3F) << 6) | (s[-1] & 0x3F);
diff --git a/lib/mbstring/u8tor.c b/lib/mbstring/u8tor.c
index 85c4c19..eb54689 100644
--- a/lib/mbstring/u8tor.c
+++ b/lib/mbstring/u8tor.c
@@ -4,17 +4,17 @@
int
u8tor(rune *ch, const char8_t *s)
{
- if (U8_BYTE_1(s[0])) {
+ if (u8byte1(s[0])) {
*ch = s[0];
return 1;
- } else if (U8_BYTE_2(s[0]) && U8_BYTE_C(s[1])) {
+ } else if (u8byte2(s[0]) && u8bytec(s[1])) {
*ch = ((s[0] & 0x1F) << 6) | (s[1] & 0x3F);
return 2;
- } else if (U8_BYTE_3(s[0]) && U8_BYTE_C(s[1]) && U8_BYTE_C(s[2])) {
+ } else if (u8byte3(s[0]) && u8bytec(s[1]) && u8bytec(s[2])) {
*ch = ((s[0] & 0x0F) << 12) | ((s[1] & 0x3F) << 6) | (s[2] & 0x3F);
return 3;
- } else if (U8_BYTE_4(s[0]) && U8_BYTE_C(s[1]) && U8_BYTE_C(s[2])
- && U8_BYTE_C(s[3])) {
+ } else if (u8byte4(s[0]) && u8bytec(s[1]) && u8bytec(s[2])
+ && u8bytec(s[3])) {
*ch = ((s[0] & 0x07) << 18) | ((s[1] & 0x3F) << 12)
| ((s[2] & 0x3F) << 6) | (s[3] & 0x3F);
return 4;