docs: misc #28970

4 files changed, 19 insertions, 18 deletions

diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua
index 5087c2d36d..cbab735489 100644
--- a/src/nvim/eval.lua
+++ b/src/nvim/eval.lua
@@ -6442,6 +6442,7 @@ M.funcs = {
         "lhsrawalt" The {lhs} of the mapping as raw bytes, alternate
       	      form, only present when it differs from "lhsraw"
         "rhs"	     The {rhs} of the mapping as typed.
+        "callback" Lua function, if RHS was defined as such.
         "silent"   1 for a |:map-silent| mapping, else 0.
         "noremap"  1 if the {rhs} of the mapping is not remappable.
         "script"   1 if mapping was defined with <script>.
diff --git a/src/nvim/main.c b/src/nvim/main.c
index c507a201b0..6b90a13e1e 100644
--- a/src/nvim/main.c
+++ b/src/nvim/main.c
@@ -1434,9 +1434,9 @@ scripterror:
       // On Windows expand "~\" or "~/" prefix in file names to profile directory.
 #ifdef MSWIN
       if (*p == '~' && (p[1] == '\\' || p[1] == '/')) {
-        size_t size = strlen(os_get_homedir()) + strlen(p);
+        size_t size = strlen(os_homedir()) + strlen(p);
         char *tilde_expanded = xmalloc(size);
-        snprintf(tilde_expanded, size, "%s%s", os_get_homedir(), p + 1);
+        snprintf(tilde_expanded, size, "%s%s", os_homedir(), p + 1);
         xfree(p);
         p = tilde_expanded;
       }
diff --git a/src/nvim/os/env.c b/src/nvim/os/env.c
index a4d5c02b5b..8dfedd073e 100644
--- a/src/nvim/os/env.c
+++ b/src/nvim/os/env.c
@@ -395,7 +395,21 @@ void os_get_hostname(char *hostname, size_t size)
 #endif
 }
 
-/// To get the "real" home directory:
+/// The "real" home directory as determined by `init_homedir`.
+static char *homedir = NULL;
+static char *os_uv_homedir(void);
+
+/// Gets the "real", resolved user home directory as determined by `init_homedir`.
+const char *os_homedir(void)
+{
+  if (!homedir) {
+    emsg("os_homedir failed: homedir not initialized");
+    return NULL;
+  }
+  return homedir;
+}
+
+/// Sets `homedir` to the "real", resolved user home directory, as follows:
 ///   1. get value of $HOME
 ///   2. if $HOME is not set, try the following
 /// For Windows:
@@ -409,20 +423,6 @@ void os_get_hostname(char *hostname, size_t size)
 ///     This also works with mounts and links.
 ///     Don't do this for Windows, it will change the "current dir" for a drive.
 ///   3. fall back to current working directory as a last resort
-static char *homedir = NULL;
-static char *os_uv_homedir(void);
-
-/// Public accessor for the cached "real", resolved user home directory. See
-/// comment on `homedir`.
-const char *os_get_homedir(void)
-{
-  if (!homedir) {
-    emsg("os_get_homedir failed: homedir not initialized");
-    return NULL;
-  }
-  return homedir;
-}
-
 void init_homedir(void)
 {
   // In case we are called a second time.
diff --git a/src/nvim/os/input.c b/src/nvim/os/input.c
index c4eb2803f6..8affc58591 100644
--- a/src/nvim/os/input.c
+++ b/src/nvim/os/input.c
@@ -514,7 +514,7 @@ static void process_ctrl_c(void)
 
   size_t available = input_available();
   ssize_t i;
-  for (i = (ssize_t)available - 1; i >= 0; i--) {
+  for (i = (ssize_t)available - 1; i >= 0; i--) {  // Reverse-search input for Ctrl_C.
     uint8_t c = (uint8_t)input_read_pos[i];
     if (c == Ctrl_C
         || (c == 'C' && i >= 3