Commit 9bee7622 authored by Eli Zaretskii's avatar Eli Zaretskii

; * src/coding.c: Improve commentary. (Bug#34765)

parent e61349c2
Pipeline #1783 passed with stage
in 26 minutes and 22 seconds
......@@ -7782,15 +7782,22 @@ encode_coding (struct coding_system *coding)
SAFE_FREE ();
}
/* Name (or base name) of work buffer for code conversion. */
/* Code-conversion operations use internal buffers. There's a single
reusable buffer, which is created the first time it is needed, and
then never killed. When this reusable buffer is being used, the
reused_workbuf_in_use flag is set. If we need another conversion
buffer while the reusable one is in use (e.g., if code-conversion
is reentered when another code-conversion is in progress), we
create temporary buffers using the name of the reusable buffer as
the base name, see code_conversion_save below. These temporary
buffers are killed when the code-conversion operations that use
them return, see code_conversion_restore below. */
/* A string that serves as name of the reusable work buffer, and as base
name of temporary work buffers used for code-conversion operations. */
static Lisp_Object Vcode_conversion_workbuf_name;
/* A working buffer used by the top level conversion. Once it is
created, it is never destroyed. It has the name
Vcode_conversion_workbuf_name. The other working buffers are
destroyed after the use is finished, and their names are modified
versions of Vcode_conversion_workbuf_name. */
/* The reusable working buffer, created once and never killed. */
static Lisp_Object Vcode_conversion_reused_workbuf;
/* True iff Vcode_conversion_reused_workbuf is already in use. */
......
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