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Diffstat (limited to 'src/nvim/mbyte.c')
-rw-r--r--src/nvim/mbyte.c91
1 files changed, 47 insertions, 44 deletions
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c
index 6dbbb17da9..5f1114fa42 100644
--- a/src/nvim/mbyte.c
+++ b/src/nvim/mbyte.c
@@ -430,7 +430,7 @@ int mb_get_class_tab(const char_u *p, const uint64_t *const chartab)
}
return 1;
}
- return utf_class_tab(utf_ptr2char(p), chartab);
+ return utf_class_tab(utf_ptr2char((char *)p), chartab);
}
/*
@@ -512,12 +512,12 @@ int utf_char2cells(int c)
/// Return the number of display cells character at "*p" occupies.
/// This doesn't take care of unprintable characters, use ptr2cells() for that.
-int utf_ptr2cells(const char_u *p)
+int utf_ptr2cells(const char *p)
{
int c;
// Need to convert to a character number.
- if (*p >= 0x80) {
+ if ((uint8_t)(*p) >= 0x80) {
c = utf_ptr2char(p);
// An illegal byte is displayed as <xx>.
if (utf_ptr2len(p) == 1 || c == NUL) {
@@ -543,9 +543,9 @@ int utf_ptr2cells_len(const char_u *p, int size)
if (utf_ptr2len_len(p, size) < utf8len_tab[*p]) {
return 1; // truncated
}
- c = utf_ptr2char(p);
+ c = utf_ptr2char((char *)p);
// An illegal byte is displayed as <xx>.
- if (utf_ptr2len(p) == 1 || c == NUL) {
+ if (utf_ptr2len((char *)p) == 1 || c == NUL) {
return 4;
}
// If the char is ASCII it must be an overlong sequence.
@@ -566,8 +566,8 @@ size_t mb_string2cells(const char *str)
{
size_t clen = 0;
- for (const char_u *p = (char_u *)str; *p != NUL; p += utfc_ptr2len(p)) {
- clen += utf_ptr2cells(p);
+ for (const char_u *p = (char_u *)str; *p != NUL; p += utfc_ptr2len((char *)p)) {
+ clen += utf_ptr2cells((char *)p);
}
return clen;
@@ -586,7 +586,7 @@ size_t mb_string2cells_len(const char_u *str, size_t size)
for (const char_u *p = str; *p != NUL && p < str + size;
p += utfc_ptr2len_len(p, size + (p - str))) {
- clen += utf_ptr2cells(p);
+ clen += utf_ptr2cells((char *)p);
}
return clen;
@@ -602,9 +602,10 @@ size_t mb_string2cells_len(const char_u *str, size_t size)
/// @param[in] p String to convert.
///
/// @return Unicode codepoint or byte value.
-int utf_ptr2char(const char_u *const p)
+int utf_ptr2char(const char *const p_in)
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
{
+ uint8_t *p = (uint8_t *)p_in;
if (p[0] < 0x80) { // Be quick for ASCII.
return p[0];
}
@@ -679,7 +680,7 @@ static int utf_safe_read_char_adv(const char_u **s, size_t *n)
// We have a multibyte sequence and it isn't truncated by buffer
// limits so utf_ptr2char() is safe to use. Or the first byte is
// illegal (k=0), and it's also safe to use utf_ptr2char().
- c = utf_ptr2char(*s);
+ c = utf_ptr2char((char *)(*s));
// On failure, utf_ptr2char() returns the first byte, so here we
// check equality with the first byte. The only non-ASCII character
@@ -706,8 +707,8 @@ int mb_ptr2char_adv(const char_u **const pp)
{
int c;
- c = utf_ptr2char(*pp);
- *pp += utfc_ptr2len(*pp);
+ c = utf_ptr2char((char *)(*pp));
+ *pp += utfc_ptr2len((char *)(*pp));
return c;
}
@@ -719,8 +720,8 @@ int mb_cptr2char_adv(const char_u **pp)
{
int c;
- c = utf_ptr2char(*pp);
- *pp += utf_ptr2len(*pp);
+ c = utf_ptr2char((char *)(*pp));
+ *pp += utf_ptr2len((char *)(*pp));
return c;
}
@@ -733,14 +734,14 @@ bool utf_composinglike(const char_u *p1, const char_u *p2)
{
int c2;
- c2 = utf_ptr2char(p2);
+ c2 = utf_ptr2char((char *)p2);
if (utf_iscomposing(c2)) {
return true;
}
if (!arabic_maycombine(c2)) {
return false;
}
- return arabic_combine(utf_ptr2char(p1), c2);
+ return arabic_combine(utf_ptr2char((char *)p1), c2);
}
/// Convert a UTF-8 string to a wide character
@@ -758,21 +759,21 @@ int utfc_ptr2char(const char_u *p, int *pcc)
int cc;
int i = 0;
- c = utf_ptr2char(p);
- len = utf_ptr2len(p);
+ c = utf_ptr2char((char *)p);
+ len = utf_ptr2len((char *)p);
// Only accept a composing char when the first char isn't illegal.
if ((len > 1 || *p < 0x80)
&& p[len] >= 0x80
&& utf_composinglike(p, p + len)) {
- cc = utf_ptr2char(p + len);
+ cc = utf_ptr2char((char *)p + len);
for (;;) {
pcc[i++] = cc;
if (i == MAX_MCO) {
break;
}
- len += utf_ptr2len(p + len);
- if (p[len] < 0x80 || !utf_iscomposing(cc = utf_ptr2char(p + len))) {
+ len += utf_ptr2len((char *)p + len);
+ if (p[len] < 0x80 || !utf_iscomposing(cc = utf_ptr2char((char *)p + len))) {
break;
}
}
@@ -800,14 +801,14 @@ int utfc_ptr2char_len(const char_u *p, int *pcc, int maxlen)
int len = utf_ptr2len_len(p, maxlen);
// Is it safe to use utf_ptr2char()?
bool safe = len > 1 && len <= maxlen;
- int c = safe ? utf_ptr2char(p) : *p;
+ int c = safe ? utf_ptr2char((char *)p) : *p;
// Only accept a composing char when the first char isn't illegal.
if ((safe || c < 0x80) && len < maxlen && p[len] >= 0x80) {
for (; i < MAX_MCO; i++) {
int len_cc = utf_ptr2len_len(p + len, maxlen - len);
safe = len_cc > 1 && len_cc <= maxlen - len;
- if (!safe || (pcc[i] = utf_ptr2char(p + len)) < 0x80
+ if (!safe || (pcc[i] = utf_ptr2char((char *)p + len)) < 0x80
|| !(i == 0 ? utf_composinglike(p, p + len) : utf_iscomposing(pcc[i]))) {
break;
}
@@ -830,9 +831,10 @@ int utfc_ptr2char_len(const char_u *p, int *pcc, int maxlen)
///
/// @return Sequence length, 0 for empty string and 1 for non-UTF-8 byte
/// sequence.
-int utf_ptr2len(const char_u *const p)
+int utf_ptr2len(const char *const p_in)
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL
{
+ uint8_t *p = (uint8_t *)p_in;
if (*p == NUL) {
return 0;
}
@@ -889,10 +891,11 @@ int utf_ptr2len_len(const char_u *p, int size)
/// Return the number of bytes occupied by a UTF-8 character in a string
///
/// This includes following composing characters.
-int utfc_ptr2len(const char_u *const p)
+int utfc_ptr2len(const char *const p_in)
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL
{
- uint8_t b0 = (uint8_t)(*p);
+ uint8_t *p = (uint8_t *)p_in;
+ uint8_t b0 = *p;
if (b0 == NUL) {
return 0;
@@ -902,7 +905,7 @@ int utfc_ptr2len(const char_u *const p)
}
// Skip over first UTF-8 char, stopping at a NUL byte.
- int len = utf_ptr2len(p);
+ int len = utf_ptr2len((char *)p);
// Check for illegal byte.
if (len == 1 && b0 >= 0x80) {
@@ -919,7 +922,7 @@ int utfc_ptr2len(const char_u *const p)
// Skip over composing char.
prevlen = len;
- len += utf_ptr2len(p + len);
+ len += utf_ptr2len((char *)p + len);
}
}
@@ -1510,7 +1513,7 @@ void mb_utflen(const char_u *s, size_t len, size_t *codepoints, size_t *codeunit
clen = utf_ptr2len_len(s + i, len - i);
// NB: gets the byte value of invalid sequence bytes.
// we only care whether the char fits in the BMP or not
- int c = (clen > 1) ? utf_ptr2char(s + i) : s[i];
+ int c = (clen > 1) ? utf_ptr2char((char *)s + i) : s[i];
count++;
if (c > 0xFFFF) {
extra++;
@@ -1532,7 +1535,7 @@ ssize_t mb_utf_index_to_bytes(const char_u *s, size_t len, size_t index, bool us
clen = utf_ptr2len_len(s + i, len - i);
// NB: gets the byte value of invalid sequence bytes.
// we only care whether the char fits in the BMP or not
- int c = (clen > 1) ? utf_ptr2char(s + i) : s[i];
+ int c = (clen > 1) ? utf_ptr2char((char *)s + i) : s[i];
count++;
if (use_utf16_units && c > 0xFFFF) {
count++;
@@ -1590,7 +1593,7 @@ void show_utf8(void)
// Get the byte length of the char under the cursor, including composing
// characters.
line = get_cursor_pos_ptr();
- len = utfc_ptr2len(line);
+ len = utfc_ptr2len((char *)line);
if (len == 0) {
msg("NUL");
return;
@@ -1604,7 +1607,7 @@ void show_utf8(void)
STRCPY(IObuff + rlen, "+ ");
rlen += 2;
}
- clen = utf_ptr2len(line + i);
+ clen = utf_ptr2len((char *)line + i);
}
sprintf((char *)IObuff + rlen, "%02x ",
(line[i] == NL) ? NUL : line[i]); // NUL is stored as NL
@@ -1654,7 +1657,7 @@ int utf_head_off(const char_u *base, const char_u *p)
break;
}
- c = utf_ptr2char(q);
+ c = utf_ptr2char((char *)q);
if (utf_iscomposing(c)) {
continue;
}
@@ -1667,7 +1670,7 @@ int utf_head_off(const char_u *base, const char_u *p)
while (j > base && (*j & 0xc0) == 0x80) {
--j;
}
- if (arabic_combine(utf_ptr2char(j), c)) {
+ if (arabic_combine(utf_ptr2char((char *)j), c)) {
continue;
}
}
@@ -1823,7 +1826,7 @@ bool utf_allow_break(int cc, int ncc)
/// @param[in,out] tp Destination to copy to.
void mb_copy_char(const char_u **const fp, char_u **const tp)
{
- const size_t l = (size_t)utfc_ptr2len(*fp);
+ const size_t l = (size_t)utfc_ptr2len((char *)(*fp));
memmove(*tp, *fp, l);
*tp += l;
@@ -1955,9 +1958,9 @@ void utf_find_illegal(void)
while (*p != NUL) {
// Illegal means that there are not enough trail bytes (checked by
// utf_ptr2len()) or too many of them (overlong sequence).
- len = utf_ptr2len(p);
+ len = utf_ptr2len((char *)p);
if (*p >= 0x80 && (len == 1
- || utf_char2len(utf_ptr2char(p)) != len)) {
+ || utf_char2len(utf_ptr2char((char *)p)) != len)) {
if (vimconv.vc_type == CONV_NONE) {
curwin->w_cursor.col += (colnr_T)(p - get_cursor_pos_ptr());
} else {
@@ -1965,7 +1968,7 @@ void utf_find_illegal(void)
len = (int)(p - tofree);
for (p = get_cursor_pos_ptr(); *p != NUL && len-- > 0; p += l) {
- l = utf_ptr2len(p);
+ l = utf_ptr2len((char *)p);
curwin->w_cursor.col += l;
}
}
@@ -2027,7 +2030,7 @@ void mb_check_adjust_col(void *win_)
// Reset `coladd` when the cursor would be on the right half of a
// double-wide character.
if (win->w_cursor.coladd == 1 && p[win->w_cursor.col] != TAB
- && vim_isprintc(utf_ptr2char(p + win->w_cursor.col))
+ && vim_isprintc(utf_ptr2char((char *)p + win->w_cursor.col))
&& ptr2cells(p + win->w_cursor.col) > 1) {
win->w_cursor.coladd = 0;
}
@@ -2057,7 +2060,7 @@ int mb_charlen(const char_u *str)
}
for (count = 0; *p != NUL; count++) {
- p += utfc_ptr2len(p);
+ p += utfc_ptr2len((char *)p);
}
return count;
@@ -2070,7 +2073,7 @@ int mb_charlen_len(const char_u *str, int len)
int count;
for (count = 0; *p != NUL && p < str + len; count++) {
- p += utfc_ptr2len(p);
+ p += utfc_ptr2len((char *)p);
}
return count;
@@ -2110,7 +2113,7 @@ const char *mb_unescape(const char **const pp)
// Return a multi-byte character if it's found. An illegal sequence
// will result in a 1 here.
- if (utf_ptr2len((const char_u *)buf) > 1) {
+ if (utf_ptr2len(buf) > 1) {
*pp = (const char *)str + str_idx + 1;
return buf;
}
@@ -2400,7 +2403,7 @@ static char_u *iconv_string(const vimconv_T *const vcp, char_u *str, size_t slen
// conversion from 'encoding' to something else. In other
// situations we don't know what to skip anyway.
*to++ = '?';
- if (utf_ptr2cells((char_u *)from) > 1) {
+ if (utf_ptr2cells(from) > 1) {
*to++ = '?';
}
l = utfc_ptr2len_len((const char_u *)from, (int)fromlen);
@@ -2616,7 +2619,7 @@ char_u *string_convert_ext(const vimconv_T *const vcp, char_u *ptr, size_t *lenp
}
*d++ = ptr[i];
} else {
- c = utf_ptr2char(ptr + i);
+ c = utf_ptr2char((char *)ptr + i);
if (vcp->vc_type == CONV_TO_LATIN9) {
switch (c) {
case 0x20ac:
generated by cgit (git 2.34.1) at 2025-06-14 01:14:10 +0000