Merge pull request #20077 from dundargoc/refactor/char_u/11

refactor: replace char_u with char 11: remove `STRLEN` part 1

80 files changed, 613 insertions, 612 deletions

diff --git a/src/nvim/api/autocmd.c b/src/nvim/api/autocmd.c
index 1cf0211f43..99340a3c59 100644
--- a/src/nvim/api/autocmd.c
+++ b/src/nvim/api/autocmd.c
@@ -240,7 +240,7 @@ Array nvim_get_autocmds(Dict(get_autocmds) *opts, Error *err)
           assert(pattern_filters[i]);
 
           char *pat = pattern_filters[i];
-          int patlen = (int)STRLEN(pat);
+          int patlen = (int)strlen(pat);
 
           if (aupat_is_buflocal(pat, patlen)) {
             aupat_normalize_buflocal_pat(pattern_buflocal,
diff --git a/src/nvim/api/command.c b/src/nvim/api/command.c
index b3518f1b0f..ed0907e8f8 100644
--- a/src/nvim/api/command.c
+++ b/src/nvim/api/command.c
@@ -105,7 +105,7 @@ Dictionary nvim_parse_cmd(String str, Dictionary opts, Error *err)
 
   // Parse arguments
   Array args = ARRAY_DICT_INIT;
-  size_t length = STRLEN(ea.arg);
+  size_t length = strlen(ea.arg);
 
   // For nargs = 1 or '?', pass the entire argument list as a single argument,
   // otherwise split arguments by whitespace.
diff --git a/src/nvim/api/extmark.c b/src/nvim/api/extmark.c
index ae051d8cab..edcea52838 100644
--- a/src/nvim/api/extmark.c
+++ b/src/nvim/api/extmark.c
@@ -742,7 +742,7 @@ Integer nvim_buf_set_extmark(Buffer buffer, Integer ns_id, Integer line, Integer
       line = buf->b_ml.ml_line_count;
     }
   } else if (line < buf->b_ml.ml_line_count) {
-    len = ephemeral ? MAXCOL : STRLEN(ml_get_buf(buf, (linenr_T)line + 1, false));
+    len = ephemeral ? MAXCOL : strlen(ml_get_buf(buf, (linenr_T)line + 1, false));
   }
 
   if (col == -1) {
@@ -761,7 +761,7 @@ Integer nvim_buf_set_extmark(Buffer buffer, Integer ns_id, Integer line, Integer
 
   if (col2 >= 0) {
     if (line2 >= 0 && line2 < buf->b_ml.ml_line_count) {
-      len = ephemeral ? MAXCOL : STRLEN(ml_get_buf(buf, (linenr_T)line2 + 1, false));
+      len = ephemeral ? MAXCOL : strlen(ml_get_buf(buf, (linenr_T)line2 + 1, false));
     } else if (line2 == buf->b_ml.ml_line_count) {
       // We are trying to add an extmark past final newline
       len = 0;
@@ -1106,7 +1106,7 @@ static int init_sign_text(char **sign_text, char *text)
 {
   char *s;
 
-  char *endp = text + (int)STRLEN(text);
+  char *endp = text + (int)strlen(text);
 
   // Count cells and check for non-printable chars
   int cells = 0;
diff --git a/src/nvim/api/ui.c b/src/nvim/api/ui.c
index 27fb4b8e16..45c20d07e1 100644
--- a/src/nvim/api/ui.c
+++ b/src/nvim/api/ui.c
@@ -122,7 +122,7 @@ static char *mpack_array_dyn16(char **buf)
 static void mpack_str(char **buf, const char *str)
 {
   assert(sizeof(schar_T) - 1 < 0x20);
-  size_t len = STRLEN(str);
+  size_t len = strlen(str);
   mpack_w(buf, 0xa0 | len);
   memcpy(*buf, str, len);
   *buf += len;
diff --git a/src/nvim/api/vimscript.c b/src/nvim/api/vimscript.c
index f6d0e39327..1758f18926 100644
--- a/src/nvim/api/vimscript.c
+++ b/src/nvim/api/vimscript.c
@@ -304,7 +304,7 @@ Object nvim_call_dict_function(Object dict, String fn, Array args, Error *err)
     }
     fn = (String) {
       .data = di->di_tv.vval.v_string,
-      .size = STRLEN(di->di_tv.vval.v_string),
+      .size = strlen(di->di_tv.vval.v_string),
     };
   }
 
diff --git a/src/nvim/autocmd.c b/src/nvim/autocmd.c
index 9d37647a4e..dafbae5813 100644
--- a/src/nvim/autocmd.c
+++ b/src/nvim/autocmd.c
@@ -266,7 +266,7 @@ static void au_show_for_event(int group, event_T event, char *pat)
       // normalize pat into standard "<buffer>#N" form
       aupat_normalize_buflocal_pat(buflocal_pat, pat, patlen, aupat_get_buflocal_nr(pat, patlen));
       pat = (char *)buflocal_pat;
-      patlen = (int)STRLEN(buflocal_pat);
+      patlen = (int)strlen(buflocal_pat);
     }
 
     assert(*pat != NUL);
@@ -725,7 +725,7 @@ int check_ei(void)
 char *au_event_disable(char *what)
 {
   char *save_ei = xstrdup(p_ei);
-  char *new_ei = xstrnsave(p_ei, STRLEN(p_ei) + STRLEN(what));
+  char *new_ei = xstrnsave(p_ei, strlen(p_ei) + strlen(what));
   if (*what == ',' && *p_ei == NUL) {
     STRCPY(new_ei, what + 1);
   } else {
@@ -957,7 +957,7 @@ int do_autocmd_event(event_T event, char *pat, bool once, int nested, char *cmd,
       aupat_normalize_buflocal_pat(buflocal_pat, pat, patlen, buflocal_nr);
 
       pat = buflocal_pat;
-      patlen = (int)STRLEN(buflocal_pat);
+      patlen = (int)strlen(buflocal_pat);
     }
 
     if (delete) {
@@ -1018,7 +1018,7 @@ int autocmd_register(int64_t id, event_T event, char *pat, int patlen, int group
   int findgroup;
   char buflocal_pat[BUFLOCAL_PAT_LEN];  // for "<buffer=X>"
 
-  if (patlen > (int)STRLEN(pat)) {
+  if (patlen > (int)strlen(pat)) {
     return FAIL;
   }
 
@@ -1039,7 +1039,7 @@ int autocmd_register(int64_t id, event_T event, char *pat, int patlen, int group
     aupat_normalize_buflocal_pat(buflocal_pat, pat, patlen, buflocal_nr);
 
     pat = buflocal_pat;
-    patlen = (int)STRLEN(buflocal_pat);
+    patlen = (int)strlen(buflocal_pat);
   }
 
   // always goes at or after the last one, so start at the end.
@@ -1193,7 +1193,7 @@ size_t aucmd_pattern_length(char *pat)
     return (size_t)(endpat - pat);
   }
 
-  return STRLEN(pat);
+  return strlen(pat);
 }
 
 char *aucmd_next_pattern(char *pat, size_t patlen)
@@ -2012,7 +2012,7 @@ void auto_next_pat(AutoPatCmd *apc, int stop_at_last)
         s = _("%s Autocommands for \"%s\"");
 
         const size_t sourcing_name_len
-          = (STRLEN(s) + strlen(name) + (size_t)ap->patlen + 1);
+          = (strlen(s) + strlen(name) + (size_t)ap->patlen + 1);
 
         char *const namep = xmalloc(sourcing_name_len);
         snprintf(namep, sourcing_name_len, s, name, ap->pat);
diff --git a/src/nvim/buffer.c b/src/nvim/buffer.c
index 1cc68c9cee..1d8f4a257c 100644
--- a/src/nvim/buffer.c
+++ b/src/nvim/buffer.c
@@ -2170,7 +2170,7 @@ int buflist_findpat(const char *pattern, const char *pattern_end, bool unlisted,
     if (pat == NULL) {
       return -1;
     }
-    patend = pat + STRLEN(pat) - 1;
+    patend = pat + strlen(pat) - 1;
     toggledollar = (patend > pat && *patend == '$');
 
     // First try finding a listed buffer.  If not found and "unlisted"
@@ -2284,7 +2284,7 @@ int ExpandBufnames(char *pat, int *num_file, char ***file, int options)
 
   // Make a copy of "pat" and change "^" to "\(^\|[\/]\)".
   if (*pat == '^') {
-    patc = xmalloc(STRLEN(pat) + 11);
+    patc = xmalloc(strlen(pat) + 11);
     STRCPY(patc, "\\(^\\|[\\/]\\)");
     STRCPY(patc + 11, pat + 1);
   } else {
@@ -3037,7 +3037,7 @@ void fileinfo(int fullname, int shorthelp, int dont_truncate)
 
   if (fullname > 1) {       // 2 CTRL-G: include buffer number
     vim_snprintf(buffer, IOSIZE, "buf %d: ", curbuf->b_fnum);
-    p = buffer + STRLEN(buffer);
+    p = buffer + strlen(buffer);
   } else {
     p = buffer;
   }
@@ -3096,7 +3096,7 @@ void fileinfo(int fullname, int shorthelp, int dont_truncate)
                      (int64_t)curbuf->b_ml.ml_line_count,
                      n);
     validate_virtcol();
-    len = STRLEN(buffer);
+    len = strlen(buffer);
     col_print(buffer + len, IOSIZE - len,
               (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1);
   }
@@ -3305,7 +3305,7 @@ void maketitle(void)
       }
       *icon_str = NUL;
       // Truncate name at 100 bytes.
-      len = (int)STRLEN(buf_p);
+      len = (int)strlen(buf_p);
       if (len > 100) {
         len -= 100;
         len += utf_cp_tail_off(buf_p, buf_p + len) + 1;
@@ -3412,7 +3412,7 @@ bool append_arg_number(win_T *wp, char *buf, int buflen, bool add_file)
     return false;
   }
 
-  char *p = buf + STRLEN(buf);  // go to the end of the buffer
+  char *p = buf + strlen(buf);  // go to the end of the buffer
 
   // Early out if the string is getting too long
   if (p - buf + 35 >= buflen) {
diff --git a/src/nvim/change.c b/src/nvim/change.c
index 6cd971cd74..ab550259c8 100644
--- a/src/nvim/change.c
+++ b/src/nvim/change.c
@@ -589,7 +589,7 @@ bool file_ff_differs(buf_T *buf, bool ignore_empty)
 /// Handles Replace mode and multi-byte characters.
 void ins_bytes(char *p)
 {
-  ins_bytes_len(p, STRLEN(p));
+  ins_bytes_len(p, strlen(p));
 }
 
 /// Insert string "p" with length "len" at the cursor position.
@@ -632,7 +632,7 @@ void ins_char_bytes(char *buf, size_t charlen)
   size_t col = (size_t)curwin->w_cursor.col;
   linenr_T lnum = curwin->w_cursor.lnum;
   char *oldp = ml_get(lnum);
-  size_t linelen = STRLEN(oldp) + 1;  // length of old line including NUL
+  size_t linelen = strlen(oldp) + 1;  // length of old line including NUL
 
   // The lengths default to the values for when not replacing.
   size_t oldlen = 0;        // nr of bytes inserted
@@ -731,7 +731,7 @@ void ins_char_bytes(char *buf, size_t charlen)
 /// Caller must have prepared for undo.
 void ins_str(char *s)
 {
-  int newlen = (int)STRLEN(s);
+  int newlen = (int)strlen(s);
   linenr_T lnum = curwin->w_cursor.lnum;
 
   if (virtual_active() && curwin->w_cursor.coladd > 0) {
@@ -740,7 +740,7 @@ void ins_str(char *s)
 
   colnr_T col = curwin->w_cursor.col;
   char *oldp = ml_get(lnum);
-  int oldlen = (int)STRLEN(oldp);
+  int oldlen = (int)strlen(oldp);
 
   char *newp = xmalloc((size_t)oldlen + (size_t)newlen + 1);
   if (col > 0) {
@@ -798,7 +798,7 @@ int del_bytes(colnr_T count, bool fixpos_arg, bool use_delcombine)
   colnr_T col = curwin->w_cursor.col;
   bool fixpos = fixpos_arg;
   char *oldp = ml_get(lnum);
-  colnr_T oldlen = (colnr_T)STRLEN(oldp);
+  colnr_T oldlen = (colnr_T)strlen(oldp);
 
   // Can't do anything when the cursor is on the NUL after the line.
   if (col >= oldlen) {
@@ -962,7 +962,7 @@ int copy_indent(int size, char *src)
     if (p == NULL) {
       // Allocate memory for the result: the copied indent, new indent
       // and the rest of the line.
-      line_len = (int)STRLEN(get_cursor_line_ptr()) + 1;
+      line_len = (int)strlen(get_cursor_line_ptr()) + 1;
       assert(ind_len + line_len >= 0);
       size_t line_size;
       STRICT_ADD(ind_len, line_len, &line_size, size_t);
@@ -1072,7 +1072,7 @@ int open_line(int dir, int flags, int second_line_indent, bool *did_do_comment)
       p = skipwhite(p_extra);
       first_char = (unsigned char)(*p);
     }
-    extra_len = (int)STRLEN(p_extra);
+    extra_len = (int)strlen(p_extra);
     saved_char = *p_extra;
     *p_extra = NUL;
   }
@@ -1155,7 +1155,7 @@ int open_line(int dir, int flags, int second_line_indent, bool *did_do_comment)
           }
         } else {      // Not a comment line
           // Find last non-blank in line
-          p = ptr + STRLEN(ptr) - 1;
+          p = ptr + strlen(ptr) - 1;
           while (p > ptr && ascii_iswhite(*p)) {
             p--;
           }
@@ -1205,7 +1205,7 @@ int open_line(int dir, int flags, int second_line_indent, bool *did_do_comment)
 
           while ((ptr[0] == '#' || was_backslashed)
                  && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) {
-            if (*ptr && ptr[STRLEN(ptr) - 1] == '\\') {
+            if (*ptr && ptr[strlen(ptr) - 1] == '\\') {
               was_backslashed = true;
             } else {
               was_backslashed = false;
@@ -1331,7 +1331,7 @@ int open_line(int dir, int flags, int second_line_indent, bool *did_do_comment)
         if (lead_len > 0) {
           if (current_flag == COM_START) {
             lead_repl = (char *)lead_middle;
-            lead_repl_len = (int)STRLEN(lead_middle);
+            lead_repl_len = (int)strlen(lead_middle);
           }
 
           // If we have hit RETURN immediately after the start
@@ -1641,7 +1641,7 @@ int open_line(int dir, int flags, int second_line_indent, bool *did_do_comment)
     if (flags & OPENLINE_COM_LIST && second_line_indent > 0) {
       int i;
       int padding = second_line_indent
-                    - (newindent + (int)STRLEN(leader));
+                    - (newindent + (int)strlen(leader));
 
       // Here whitespace is inserted after the comment char.
       // Below, set_indent(newindent, SIN_INSERT) will insert the
@@ -1755,7 +1755,7 @@ int open_line(int dir, int flags, int second_line_indent, bool *did_do_comment)
       }
       ml_replace(curwin->w_cursor.lnum, saved_line, false);
 
-      int new_len = (int)STRLEN(saved_line);
+      int new_len = (int)strlen(saved_line);
 
       // TODO(vigoux): maybe there is issues there with expandtabs ?
       int cols_spliced = 0;
@@ -1795,7 +1795,7 @@ int open_line(int dir, int flags, int second_line_indent, bool *did_do_comment)
   if (did_append) {
     changed_lines(curwin->w_cursor.lnum, 0, curwin->w_cursor.lnum, 1L, true);
     // bail out and just get the final length of the line we just manipulated
-    bcount_t extra = (bcount_t)STRLEN(ml_get(curwin->w_cursor.lnum));
+    bcount_t extra = (bcount_t)strlen(ml_get(curwin->w_cursor.lnum));
     extmark_splice(curbuf, (int)curwin->w_cursor.lnum - 1, 0,
                    0, 0, 0, 1, 0, 1 + extra, kExtmarkUndo);
   }
@@ -2084,7 +2084,7 @@ int get_last_leader_offset(char *line, char **flags)
   char part_buf[COM_MAX_LEN];         // buffer for one option part
 
   // Repeat to match several nested comment strings.
-  int i = (int)STRLEN(line);
+  int i = (int)strlen(line);
   while (--i >= lower_check_bound) {
     // scan through the 'comments' option for a match
     int found_one = false;
@@ -2171,7 +2171,7 @@ int get_last_leader_offset(char *line, char **flags)
       while (ascii_iswhite(*com_leader)) {
         com_leader++;
       }
-      len1 = (int)STRLEN(com_leader);
+      len1 = (int)strlen(com_leader);
 
       for (list = curbuf->b_p_com; *list;) {
         char *flags_save = list;
@@ -2185,7 +2185,7 @@ int get_last_leader_offset(char *line, char **flags)
         while (ascii_iswhite(*string)) {
           string++;
         }
-        len2 = (int)STRLEN(string);
+        len2 = (int)strlen(string);
         if (len2 == 0) {
           continue;
         }
diff --git a/src/nvim/charset.c b/src/nvim/charset.c
index 693ff90179..0cc2189948 100644
--- a/src/nvim/charset.c
+++ b/src/nvim/charset.c
@@ -268,7 +268,7 @@ int buf_init_chartab(buf_T *buf, int global)
 void trans_characters(char *buf, int bufsize)
 {
   char_u *trs;                 // translated character
-  int len = (int)STRLEN(buf);  // length of string needing translation
+  int len = (int)strlen(buf);  // length of string needing translation
   int room = bufsize - len;    // room in buffer after string
 
   while (*buf != 0) {
@@ -1078,7 +1078,7 @@ void getvvcol(win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *e
     // Cannot put the cursor on part of a wide character.
     char *ptr = ml_get_buf(wp->w_buffer, pos->lnum, false);
 
-    if (pos->col < (colnr_T)STRLEN(ptr)) {
+    if (pos->col < (colnr_T)strlen(ptr)) {
       int c = utf_ptr2char(ptr + pos->col);
       if ((c != TAB) && vim_isprintc(c)) {
         endadd = (colnr_T)(char2cells(c) - 1);
@@ -1157,7 +1157,7 @@ char *skipwhite(const char *const p)
   FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL
   FUNC_ATTR_NONNULL_RET
 {
-  return skipwhite_len(p, STRLEN(p));
+  return skipwhite_len(p, strlen(p));
 }
 
 /// Like `skipwhite`, but skip up to `len` characters.
diff --git a/src/nvim/cmdexpand.c b/src/nvim/cmdexpand.c
index 3e9edea372..65b07cc17b 100644
--- a/src/nvim/cmdexpand.c
+++ b/src/nvim/cmdexpand.c
@@ -511,7 +511,7 @@ char *ExpandOne(expand_T *xp, char *str, char *orig, int options, int mode)
   if (mode == WILD_ALL && xp->xp_numfiles > 0 && !got_int) {
     size_t len = 0;
     for (i = 0; i < xp->xp_numfiles; i++) {
-      len += STRLEN(xp->xp_files[