annotate modules/postgresql/postgresql.h @ 5366:f00192e1cd49

Examining the result of #'length: `eql', not `=', it's better style & cheaper 2011-03-08 Aidan Kehoe <kehoea@parhasard.net> * buff-menu.el (list-buffers-noselect): * byte-optimize.el (byte-optimize-identity): * byte-optimize.el (byte-optimize-if): * byte-optimize.el (byte-optimize-nth): * byte-optimize.el (byte-optimize-nthcdr): * bytecomp.el (byte-compile-warn-wrong-args): * bytecomp.el (byte-compile-two-args-19->20): * bytecomp.el (byte-compile-list): * bytecomp.el (byte-compile-beginning-of-line): * bytecomp.el (byte-compile-set): * bytecomp.el (byte-compile-set-default): * bytecomp.el (byte-compile-values): * bytecomp.el (byte-compile-values-list): * bytecomp.el (byte-compile-integerp): * bytecomp.el (byte-compile-multiple-value-list-internal): * bytecomp.el (byte-compile-throw): * cl-macs.el (cl-do-arglist): * cl-macs.el (cl-parse-loop-clause): * cl-macs.el (multiple-value-bind): * cl-macs.el (multiple-value-setq): * cl-macs.el (get-setf-method): * cmdloop.el (command-error): * cmdloop.el (y-or-n-p-minibuf): * cmdloop.el (yes-or-no-p-minibuf): * coding.el (unencodable-char-position): * cus-edit.el (custom-face-prompt): * cus-edit.el (custom-buffer-create-internal): * cus-edit.el (widget-face-action): * cus-edit.el (custom-group-value-create): * descr-text.el (describe-char-unicode-data): * dialog-gtk.el (popup-builtin-question-dialog): * dragdrop.el (experimental-dragdrop-drop-log-function): * dragdrop.el (experimental-dragdrop-drop-mime-default): * easymenu.el (easy-menu-add): * easymenu.el (easy-menu-remove): * faces.el (read-face-name): * faces.el (set-face-stipple): * files.el (file-name-non-special): * font.el (font-combine-fonts): * font.el (font-set-face-font): * font.el (font-parse-rgb-components): * font.el (font-rgb-color-p): * font.el (font-color-rgb-components): * gnuserv.el (gnuserv-edit-files): * help.el (key-or-menu-binding): * help.el (function-documentation-1): * help.el (function-documentation): * info.el (info): * isearch-mode.el (isearch-exit): * isearch-mode.el (isearch-edit-string): * isearch-mode.el (isearch-*-char): * isearch-mode.el (isearch-complete1): * ldap.el (ldap-encode-country-string): * ldap.el (ldap-decode-string): * minibuf.el (read-file-name-internal-1): * minibuf.el (read-non-nil-coding-system): * minibuf.el (get-user-response): * mouse.el (drag-window-divider): * mule/ccl.el: * mule/ccl.el (ccl-compile-if): * mule/ccl.el (ccl-compile-break): * mule/ccl.el (ccl-compile-repeat): * mule/ccl.el (ccl-compile-write-repeat): * mule/ccl.el (ccl-compile-call): * mule/ccl.el (ccl-compile-end): * mule/ccl.el (ccl-compile-read-multibyte-character): * mule/ccl.el (ccl-compile-write-multibyte-character): * mule/ccl.el (ccl-compile-translate-character): * mule/ccl.el (ccl-compile-mule-to-unicode): * mule/ccl.el (ccl-compile-unicode-to-mule): * mule/ccl.el (ccl-compile-lookup-integer): * mule/ccl.el (ccl-compile-lookup-character): * mule/ccl.el (ccl-compile-map-multiple): * mule/ccl.el (ccl-compile-map-single): * mule/devan-util.el (devanagari-compose-to-one-glyph): * mule/devan-util.el (devanagari-composition-component): * mule/mule-cmds.el (finish-set-language-environment): * mule/viet-util.el: * mule/viet-util.el (viet-encode-viscii-char): * multicast.el (open-multicast-group): * newcomment.el (comment-quote-nested): * newcomment.el (comment-region): * newcomment.el (comment-dwim): * regexp-opt.el (regexp-opt-group): * replace.el (map-query-replace-regexp): * specifier.el (derive-device-type-from-tag-set): * subr.el (skip-chars-quote): * test-harness.el (test-harness-from-buffer): * test-harness.el (batch-test-emacs): * wid-edit.el (widget-choice-action): * wid-edit.el (widget-symbol-prompt-internal): * wid-edit.el (widget-color-action): * window-xemacs.el (push-window-configuration): * window-xemacs.el (pop-window-configuration): * window.el (quit-window): * x-compose.el (electric-diacritic): It's better style, and cheaper (often one assembler instruction vs. a C funcall in the byte code), to use `eql' instead of `=' when it's clear what numerical type a given result will be. Change much of our code to do this, with the help of a byte-compiler change (not comitted) that looked for calls to #'length (which always returns an integer) in its args.
author Aidan Kehoe <kehoea@parhasard.net>
date Tue, 08 Mar 2011 23:41:52 +0000
parents a9c41067dd88
children 8bda66cd0414
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1 /*
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2 postgresql.h -- Emacs Lisp binding to libpq.so
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3 Copyright (C) 2000 Electrotechnical Laboratory, JAPAN.
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4 Licensed to the Free Software Foundation.
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5
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6 Author: SL Baur <steve@xemacs.org>
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7 Maintainer: SL Baur <steve@xemacs.org>
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8
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9 Please send patches to this file to me first before submitting them to
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10 xemacs-patches.
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11 */
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12
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13 #ifndef INCLUDED_postgresql_h_
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14 #define INCLUDED_postgresql_h_ 1
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15
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16 #define message message_ /* Yuck */
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17 #include LIBPQ_FE_H_FILE /* main PostgreSQL header file */
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18 #undef message
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19
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20 #define BLCKSZ 8192 /* size of a default Postgres disk block */
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21 /*
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22 This file contains the GCC bug workaround code for the private
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23 LRECORD types.
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24 */
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25
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26 /* PGconn is an opaque object and we need to be able to store them in
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27 Lisp code because libpq supports multiple connections.
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28 */
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29 struct Lisp_PGconn
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30 {
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31 NORMAL_LISP_OBJECT_HEADER header;
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32 PGconn *pgconn;
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33 };
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34 typedef struct Lisp_PGconn Lisp_PGconn;
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35
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36 DECLARE_LISP_OBJECT (pgconn, Lisp_PGconn);
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37
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38 #define XPGCONN(x) XRECORD (x, pgconn, Lisp_PGconn)
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39 #define wrap_pgconn(p) wrap_record (p, pgconn)
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40 #define PGCONNP(x) RECORDP (x, pgconn)
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41 #define CHECK_PGCONN(x) CHECK_RECORD (x, pgconn)
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42 #define CONCHECK_PGCONN(x) CONCHECK_RECORD (x, pgconn)
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43
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44 /****/
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45
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46 /* PGresult is an opaque object and we need to be able to store them in
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47 Lisp code.
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48 */
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49 struct Lisp_PGresult
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50 {
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51 NORMAL_LISP_OBJECT_HEADER header;
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52 PGresult *pgresult;
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53 };
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54 typedef struct Lisp_PGresult Lisp_PGresult;
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55
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56 DECLARE_LISP_OBJECT (pgresult, Lisp_PGresult);
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58 #define XPGRESULT(x) XRECORD (x, pgresult, Lisp_PGresult)
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59 #define wrap_pgresult(p) wrap_record (p, pgresult)
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60 #define PGRESULTP(x) RECORDP (x, pgresult)
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61 #define CHECK_PGRESULT(x) CHECK_RECORD (x, pgresult)
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62 #define CONCHECK_PGRESULT(x) CONCHECK_RECORD (x, pgresult)
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63
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64 #endif /* INCLUDED_postgresql_h_ */