1 files changed, 24 insertions, 26 deletions

diff --git a/src/nvim/strings.c b/src/nvim/strings.c
index 22effaade0..16691d0ded 100644
--- a/src/nvim/strings.c
+++ b/src/nvim/strings.c
@@ -104,10 +104,10 @@ char_u *vim_strsave_escaped_ext(const char_u *string, const char_u *esc_chars, c
       p += l - 1;
       continue;
     }
-    if (vim_strchr((char *)esc_chars, *p) != NULL || (bsl && rem_backslash(p))) {
+    if (vim_strchr((char *)esc_chars, *p) != NULL || (bsl && rem_backslash((char *)p))) {
       length++;                         // count a backslash
     }
-    ++length;                           // count an ordinary char
+    length++;                           // count an ordinary char
   }
 
   char_u *escaped_string = xmalloc(length);
@@ -120,7 +120,7 @@ char_u *vim_strsave_escaped_ext(const char_u *string, const char_u *esc_chars, c
       p += l - 1;                     // skip multibyte char
       continue;
     }
-    if (vim_strchr((char *)esc_chars, *p) != NULL || (bsl && rem_backslash(p))) {
+    if (vim_strchr((char *)esc_chars, *p) != NULL || (bsl && rem_backslash((char *)p))) {
       *p2++ = cc;
     }
     *p2++ = *p;
@@ -191,7 +191,7 @@ char *vim_strnsave_unquoted(const char *const string, const size_t length)
 char_u *vim_strsave_shellescape(const char_u *string, bool do_special, bool do_newline)
   FUNC_ATTR_NONNULL_RET FUNC_ATTR_MALLOC FUNC_ATTR_NONNULL_ALL
 {
-  char_u *d;
+  char *d;
   char_u *escaped_string;
   size_t l;
   int csh_like;
@@ -222,13 +222,13 @@ char_u *vim_strsave_shellescape(const char_u *string, bool do_special, bool do_n
     }
     if ((*p == '\n' && (csh_like || do_newline))
         || (*p == '!' && (csh_like || do_special))) {
-      ++length;                         // insert backslash
+      length++;                         // insert backslash
       if (csh_like && do_special) {
-        ++length;                       // insert backslash
+        length++;                       // insert backslash
       }
     }
     if (do_special && find_cmdline_var(p, &l) >= 0) {
-      ++length;                         // insert backslash
+      length++;                         // insert backslash
       p += l - 1;
     }
     if (*p == '\\' && fish_like) {
@@ -238,7 +238,7 @@ char_u *vim_strsave_shellescape(const char_u *string, bool do_special, bool do_n
 
   // Allocate memory for the result and fill it.
   escaped_string = xmalloc(length);
-  d = escaped_string;
+  d = (char *)escaped_string;
 
   // add opening quote
 #ifdef WIN32
@@ -248,7 +248,7 @@ char_u *vim_strsave_shellescape(const char_u *string, bool do_special, bool do_n
 #endif
   *d++ = '\'';
 
-  for (const char_u *p = string; *p != NUL;) {
+  for (const char *p = (char *)string; *p != NUL;) {
 #ifdef WIN32
     if (!p_ssl) {
       if (*p == '"') {
@@ -264,7 +264,7 @@ char_u *vim_strsave_shellescape(const char_u *string, bool do_special, bool do_n
       *d++ = '\\';
       *d++ = '\'';
       *d++ = '\'';
-      ++p;
+      p++;
       continue;
     }
     if ((*p == '\n' && (csh_like || do_newline))
@@ -276,7 +276,7 @@ char_u *vim_strsave_shellescape(const char_u *string, bool do_special, bool do_n
       *d++ = *p++;
       continue;
     }
-    if (do_special && find_cmdline_var(p, &l) >= 0) {
+    if (do_special && find_cmdline_var((char_u *)p, &l) >= 0) {
       *d++ = '\\';                    // insert backslash
       while (--l != SIZE_MAX) {  // copy the var
         *d++ = *p++;
@@ -431,8 +431,8 @@ int vim_stricmp(const char *s1, const char *s2)
     if (*s1 == NUL) {
       break;                                // strings match until NUL
     }
-    ++s1;
-    ++s2;
+    s1++;
+    s2++;
   }
   return 0;                                 // strings match
 }
@@ -457,9 +457,9 @@ int vim_strnicmp(const char *s1, const char *s2, size_t len)
     if (*s1 == NUL) {
       break;                                // strings match until NUL
     }
-    ++s1;
-    ++s2;
-    --len;
+    s1++;
+    s2++;
+    len--;
   }
   return 0;                                 // strings match
 }
@@ -503,7 +503,7 @@ static int sort_compare(const void *s1, const void *s2)
 
 void sort_strings(char **files, int count)
 {
-  qsort((void *)files, (size_t)count, sizeof(char_u *), sort_compare);
+  qsort((void *)files, (size_t)count, sizeof(char *), sort_compare);
 }
 
 /*
@@ -516,7 +516,7 @@ bool has_non_ascii(const char_u *s)
   const char_u *p;
 
   if (s != NULL) {
-    for (p = s; *p != NUL; ++p) {
+    for (p = s; *p != NUL; p++) {
       if (*p >= 128) {
         return true;
       }
@@ -540,14 +540,12 @@ bool has_non_ascii_len(const char *const s, const size_t len)
   return false;
 }
 
-/*
- * Concatenate two strings and return the result in allocated memory.
- */
-char_u *concat_str(const char_u *restrict str1, const char_u *restrict str2)
+/// Concatenate two strings and return the result in allocated memory.
+char *concat_str(const char *restrict str1, const char *restrict str2)
   FUNC_ATTR_NONNULL_RET FUNC_ATTR_MALLOC FUNC_ATTR_NONNULL_ALL
 {
   size_t l = STRLEN(str1);
-  char_u *dest = xmalloc(l + STRLEN(str2) + 1);
+  char *dest = xmalloc(l + STRLEN(str2) + 1);
   STRCPY(dest, str1);
   STRCPY(dest + l, str2);
   return dest;
@@ -1511,15 +1509,15 @@ int kv_do_printf(StringBuilder *str, const char *fmt, ...)
 /// Reverse text into allocated memory.
 ///
 /// @return  the allocated string.
-char_u *reverse_text(char_u *s)
+char *reverse_text(char *s)
   FUNC_ATTR_NONNULL_RET
 {
   // Reverse the pattern.
   size_t len = STRLEN(s);
-  char_u *rev = xmalloc(len + 1);
+  char *rev = xmalloc(len + 1);
   size_t rev_i = len;
   for (size_t s_i = 0; s_i < len; s_i++) {
-    const int mb_len = utfc_ptr2len((char *)s + s_i);
+    const int mb_len = utfc_ptr2len(s + s_i);
     rev_i -= (size_t)mb_len;
     memmove(rev + rev_i, s + s_i, (size_t)mb_len);
     s_i += (size_t)mb_len - 1;