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-rw-r--r--src/doc.c109
1 files changed, 41 insertions, 68 deletions
diff --git a/src/doc.c b/src/doc.c
index 9b72b17cffa..ab4d401d616 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -25,19 +25,12 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <sys/file.h> /* Must be after sys/types.h for USG*/
#include <ctype.h>
#include <setjmp.h>
-
-#ifdef HAVE_FCNTL_H
#include <fcntl.h>
-#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
-#ifndef O_RDONLY
-#define O_RDONLY 0
-#endif
-
#include "lisp.h"
#include "buffer.h"
#include "keyboard.h"
@@ -45,10 +38,6 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include "keymap.h"
#include "buildobj.h"
-#ifdef HAVE_INDEX
-extern char *index P_ ((const char *, int));
-#endif
-
Lisp_Object Vdoc_file_name;
Lisp_Object Qfunction_documentation;
@@ -56,23 +45,18 @@ Lisp_Object Qfunction_documentation;
/* A list of files used to build this Emacs binary. */
static Lisp_Object Vbuild_files;
-extern Lisp_Object Voverriding_local_map;
-
-extern Lisp_Object Qremap;
-
/* Buffer used for reading from documentation file. */
static char *get_doc_string_buffer;
static int get_doc_string_buffer_size;
static unsigned char *read_bytecode_pointer;
-Lisp_Object Fsnarf_documentation P_ ((Lisp_Object));
+Lisp_Object Fsnarf_documentation (Lisp_Object);
/* readchar in lread.c calls back here to fetch the next byte.
If UNREADFLAG is 1, we unread a byte. */
int
-read_bytecode_char (unreadflag)
- int unreadflag;
+read_bytecode_char (int unreadflag)
{
if (unreadflag)
{
@@ -102,16 +86,14 @@ read_bytecode_char (unreadflag)
and return a cons cell. */
Lisp_Object
-get_doc_string (filepos, unibyte, definition)
- Lisp_Object filepos;
- int unibyte, definition;
+get_doc_string (Lisp_Object filepos, int unibyte, int definition)
{
char *from, *to;
register int fd;
register char *name;
register char *p, *p1;
- int minsize;
- int offset, position;
+ EMACS_INT minsize;
+ EMACS_INT offset, position;
Lisp_Object file, tem;
if (INTEGERP (filepos))
@@ -190,14 +172,14 @@ get_doc_string (filepos, unibyte, definition)
p = get_doc_string_buffer;
while (1)
{
- int space_left = (get_doc_string_buffer_size
- - (p - get_doc_string_buffer));
+ EMACS_INT space_left = (get_doc_string_buffer_size
+ - (p - get_doc_string_buffer));
int nread;
/* Allocate or grow the buffer if we need to. */
if (space_left == 0)
{
- int in_buffer = p - get_doc_string_buffer;
+ EMACS_INT in_buffer = p - get_doc_string_buffer;
get_doc_string_buffer_size += 16 * 1024;
get_doc_string_buffer
= (char *) xrealloc (get_doc_string_buffer,
@@ -221,9 +203,9 @@ get_doc_string (filepos, unibyte, definition)
if (!nread)
break;
if (p == get_doc_string_buffer)
- p1 = (char *) index (p + offset, '\037');
+ p1 = strchr (p + offset, '\037');
else
- p1 = (char *) index (p, '\037');
+ p1 = strchr (p, '\037');
if (p1)
{
*p1 = 0;
@@ -296,10 +278,9 @@ get_doc_string (filepos, unibyte, definition)
to - (get_doc_string_buffer + offset));
else
{
- /* Let the data determine whether the string is multibyte,
- even if Emacs is running in --unibyte mode. */
- int nchars = multibyte_chars_in_text (get_doc_string_buffer + offset,
- to - (get_doc_string_buffer + offset));
+ /* The data determines whether the string is multibyte. */
+ EMACS_INT nchars = multibyte_chars_in_text (get_doc_string_buffer + offset,
+ to - (get_doc_string_buffer + offset));
return make_string_from_bytes (get_doc_string_buffer + offset,
nchars,
to - (get_doc_string_buffer + offset));
@@ -311,15 +292,13 @@ get_doc_string (filepos, unibyte, definition)
of a compiled function from the .elc file. */
Lisp_Object
-read_doc_string (filepos)
- Lisp_Object filepos;
+read_doc_string (Lisp_Object filepos)
{
return get_doc_string (filepos, 0, 1);
}
static int
-reread_doc_file (file)
- Lisp_Object file;
+reread_doc_file (Lisp_Object file)
{
#if 0
Lisp_Object reply, prompt[3];
@@ -346,8 +325,7 @@ DEFUN ("documentation", Fdocumentation, Sdocumentation, 1, 2, 0,
doc: /* Return the documentation string of FUNCTION.
Unless a non-nil second argument RAW is given, the
string is passed through `substitute-command-keys'. */)
- (function, raw)
- Lisp_Object function, raw;
+ (Lisp_Object function, Lisp_Object raw)
{
Lisp_Object fun;
Lisp_Object funcar;
@@ -474,8 +452,7 @@ Third argument RAW omitted or nil means pass the result through
This differs from `get' in that it can refer to strings stored in the
`etc/DOC' file; and that it evaluates documentation properties that
aren't strings. */)
- (symbol, prop, raw)
- Lisp_Object symbol, prop, raw;
+ (Lisp_Object symbol, Lisp_Object prop, Lisp_Object raw)
{
int try_reload = 1;
Lisp_Object tem;
@@ -515,10 +492,8 @@ aren't strings. */)
/* Scanning the DOC files and placing docstring offsets into functions. */
static void
-store_function_docstring (fun, offset)
- Lisp_Object fun;
- /* Use EMACS_INT because we get this from pointer subtraction. */
- EMACS_INT offset;
+store_function_docstring (Lisp_Object fun, EMACS_INT offset)
+/* Use EMACS_INT because we get offset from pointer subtraction. */
{
fun = indirect_function (fun);
@@ -538,7 +513,7 @@ store_function_docstring (fun, offset)
{
tem = Fcdr (Fcdr (fun));
if (CONSP (tem) && INTEGERP (XCAR (tem)))
- XSETCARFASTINT (tem, offset);
+ XSETCAR (tem, make_number (offset));
}
else if (EQ (tem, Qmacro))
store_function_docstring (XCDR (fun), offset);
@@ -565,13 +540,12 @@ The function takes one argument, FILENAME, a string;
it specifies the file name (without a directory) of the DOC file.
That file is found in `../etc' now; later, when the dumped Emacs is run,
the same file name is found in the `doc-directory'. */)
- (filename)
- Lisp_Object filename;
+ (Lisp_Object filename)
{
int fd;
char buf[1024 + 1];
- register int filled;
- register int pos;
+ register EMACS_INT filled;
+ register EMACS_INT pos;
register char *p, *end;
Lisp_Object sym;
char *name;
@@ -605,7 +579,7 @@ the same file name is found in the `doc-directory'. */)
for (beg = buildobj; *beg; beg = end)
{
- int len;
+ EMACS_INT len;
while (*beg && isspace (*beg)) ++beg;
@@ -643,7 +617,7 @@ the same file name is found in the `doc-directory'. */)
/* p points to ^_Ffunctionname\n or ^_Vvarname\n or ^_Sfilename\n. */
if (p != end)
{
- end = (char *) index (p, '\n');
+ end = strchr (p, '\n');
/* See if this is a file name, and if it is a file in build-files. */
if (p[1] == 'S')
@@ -652,7 +626,7 @@ the same file name is found in the `doc-directory'. */)
if (end - p > 4 && end[-2] == '.'
&& (end[-1] == 'o' || end[-1] == 'c'))
{
- int len = end - p - 2;
+ EMACS_INT len = end - p - 2;
char *fromfile = alloca (len + 1);
strncpy (fromfile, &p[2], len);
fromfile[len] = 0;
@@ -697,7 +671,7 @@ the same file name is found in the `doc-directory'. */)
}
pos += end - buf;
filled -= end - buf;
- bcopy (end, buf, filled);
+ memmove (buf, end, filled);
}
emacs_close (fd);
return Qnil;
@@ -718,23 +692,22 @@ thus, \\=\\=\\=\\= puts \\=\\= into the output, and \\=\\=\\=\\[ puts \\=\\[ int
Returns original STRING if no substitutions were made. Otherwise,
a new string, without any text properties, is returned. */)
- (string)
- Lisp_Object string;
+ (Lisp_Object string)
{
unsigned char *buf;
int changed = 0;
register unsigned char *strp;
register unsigned char *bufp;
- int idx;
- int bsize;
+ EMACS_INT idx;
+ EMACS_INT bsize;
Lisp_Object tem;
Lisp_Object keymap;
unsigned char *start;
- int length, length_byte;
+ EMACS_INT length, length_byte;
Lisp_Object name;
struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
int multibyte;
- int nchars;
+ EMACS_INT nchars;
if (NILP (string))
return Qnil;
@@ -776,7 +749,7 @@ a new string, without any text properties, is returned. */)
if (len == 1)
*bufp = *strp;
else
- bcopy (strp, bufp, len);
+ memcpy (bufp, strp, len);
strp += len;
bufp += len;
nchars++;
@@ -786,7 +759,7 @@ a new string, without any text properties, is returned. */)
}
else if (strp[0] == '\\' && strp[1] == '[')
{
- int start_idx;
+ EMACS_INT start_idx;
int follow_remap = 1;
changed = 1;
@@ -825,10 +798,10 @@ a new string, without any text properties, is returned. */)
if (NILP (tem)) /* but not on any keys */
{
- int offset = bufp - buf;
+ EMACS_INT offset = bufp - buf;
buf = (unsigned char *) xrealloc (buf, bsize += 4);
bufp = buf + offset;
- bcopy ("M-x ", bufp, 4);
+ memcpy (bufp, "M-x ", 4);
bufp += 4;
nchars += 4;
if (multibyte)
@@ -848,7 +821,7 @@ a new string, without any text properties, is returned. */)
else if (strp[0] == '\\' && (strp[1] == '{' || strp[1] == '<'))
{
struct buffer *oldbuf;
- int start_idx;
+ EMACS_INT start_idx;
/* This is for computing the SHADOWS arg for describe_map_tree. */
Lisp_Object active_maps = Fcurrent_active_maps (Qnil, Qnil);
Lisp_Object earlier_maps;
@@ -919,10 +892,10 @@ a new string, without any text properties, is returned. */)
length_byte = SBYTES (tem);
subst:
{
- int offset = bufp - buf;
+ EMACS_INT offset = bufp - buf;
buf = (unsigned char *) xrealloc (buf, bsize += length_byte);
bufp = buf + offset;
- bcopy (start, bufp, length_byte);
+ memcpy (bufp, start, length_byte);
bufp += length_byte;
nchars += length;
/* Check STRING again in case gc relocated it. */
@@ -939,7 +912,7 @@ a new string, without any text properties, is returned. */)
if (len == 1)
*bufp = *strp;
else
- bcopy (strp, bufp, len);
+ memcpy (bufp, strp, len);
strp += len;
bufp += len;
nchars++;
@@ -955,7 +928,7 @@ a new string, without any text properties, is returned. */)
}
void
-syms_of_doc ()
+syms_of_doc (void)
{
Qfunction_documentation = intern_c_string ("function-documentation");
staticpro (&Qfunction_documentation);