annotate src/s/README @ 5655:b7ae5f44b950

Remove some redundant functions, change others to labels, lisp/ lisp/ChangeLog addition: 2012-05-05 Aidan Kehoe <kehoea@parhasard.net> Remove some redundant functions; turn other utility functions into labels, avoiding visibility in the global namespace, and reducing the size of the dumped binary. * auto-save.el (auto-save-unhex): Removed. * auto-save.el (auto-save-unescape-name): Use #'string-to-number instead of #'auto-save-unhex. * files.el (save-some-buffers): * files.el (save-some-buffers-1): Changed to a label. * files.el (not-modified): * gui.el (make-gui-button): * gui.el (gui-button-action): Changed to a label. * gui.el (insert-gui-button): * indent.el (indent-for-tab-command): * indent.el (insert-tab): Changed to a label. * indent.el (indent-rigidly): * isearch-mode.el: * isearch-mode.el (isearch-ring-adjust): * isearch-mode.el (isearch-ring-adjust1): Changed to a label. * isearch-mode.el (isearch-pre-command-hook): * isearch-mode.el (isearch-maybe-frob-keyboard-macros): Changed to a label. * isearch-mode.el (isearch-highlight): * isearch-mode.el (isearch-make-extent): Changed to a label. * itimer.el: * itimer.el (itimer-decrement): Removed, replaced uses with decf. * itimer.el (itimer-increment): Removed, replaced uses with incf. * itimer.el (itimer-signum): Removed, replaced uses with minusp, plusp. * itimer.el (itimer-name): * itimer.el (check-itimer): Removed, replaced with #'check-type calls. * itimer.el (itimer-value): * itimer.el (check-itimer-coerce-string): Removed. * itimer.el (itimer-restart): * itimer.el (itimer-function): * itimer.el (check-nonnegative-number): Removed. * itimer.el (itimer-uses-arguments): * itimer.el (check-string): Removed. * itimer.el (itimer-function-arguments): * itimer.el (itimer-recorded-run-time): * itimer.el (set-itimer-name): * itimer.el (set-itimer-value): * itimer.el (set-itimer-value-internal): * itimer.el (set-itimer-restart): * itimer.el (set-itimer-function): * itimer.el (set-itimer-is-idle): * itimer.el (set-itimer-recorded-run-time): * itimer.el (get-itimer): * itimer.el (delete-itimer): * itimer.el (start-itimer): * itimer.el (activate-itimer): * itimer.el (itimer-edit-set-field): * itimer.el (itimer-edit-next-field): * itimer.el (itimer-edit-previous-field): Use incf, decf, plusp, minusp and the more general argument type checking macros. * lib-complete.el: * lib-complete.el (lib-complete:better-root): Changed to a label. * lib-complete.el (lib-complete:get-completion-table): Changed to a label. * lib-complete.el (read-library-internal): Include labels. * lib-complete.el (lib-complete:cache-completions): Changed to a label. * minibuf.el (read-buffer): Use #'set-difference, don't reinvent it. * newcomment.el (comment-padright): Use a label instead of repeating a lambda expression. * packages.el (package-get-key): * packages.el (package-get-key-1): Removed, use #'getf instead. * simple.el (kill-backward-chars): Removed; this isn't used. * simple.el (what-cursor-position): (lambda (arg) (format "%S" arg) -> #'prin1-to-string. * simple.el (debug-print-1): Renamed to #'debug-print. * simple.el (debug-print): Removed, #'debug-print-1 was equivalent. * subr.el (integer-to-bit-vector): check-nonnegative-number no longer available. * widget.el (define-widget): * widget.el (define-widget-keywords): Removed, this was long obsolete.
author Aidan Kehoe <kehoea@parhasard.net>
date Sat, 05 May 2012 18:42:00 +0100
parents 861f2601a38b
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1 This directory contains C header files containing
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2 operating-system-specific definitions. Each file describes a
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3 particular operating system. The emacs configuration script edits
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4 ../config.h to include the appropriate one of these files, and then
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5 each emacs source file includes config.h.
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6
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7 General XEmacs Changes
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8 ---------------------------
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9 The following is a list of those changes made globally across all
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10 files. They are not marked individually in each header file. All
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11 other changes should be preceded by a comment /* XEmacs change */.
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12
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14 1. Removed all #defines of [read|write|open|close]. This is now
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15 handled automatically by checking the INTERRUPTIBLE_IO etc. flags.
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16
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17 2. Removed all instances of #undef SIGIO and replaced them with
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18 #define BROKEN_SIGIO. Jamie says:
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19
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20 /* use BROKEN_SIGIO instead of this kludge -- jwz */
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21
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22 3. All instances of HAVE_GETWD, HAVE_DUP2, HAVE_UNISTD_H, NEED_UNISTD_H,
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23 HAVE_GETTIMEOFDAY and NEED_REALPATH removed. We detect these
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24 automatically with configure.
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25
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26 4. All instances of HAVE_X11 replaced with HAVE_X_WINDOWS. We don't
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27 support X10 or earlier so the HAVE_X11 define was purged.
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28
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29 5. Most of the signal crap (e.g. redefining sigsetmask, defining
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30 POSIX_SIGNALS) has been removed. There are four possible
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31 signal paradigms that all systems fall into, and we auto-detect
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32 them in configure and handle them in syssignal.h.
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33
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34 6. Removed references to INTERRUPT_INPUT. XEmacs does not use
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35 this bizarre way of reading input.
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36
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37 7. Removed references to BROKEN_FIONREAD. FIONREAD is used only
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38 in INTERRUPT_INPUT and in the select() emulator, neither of
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39 which are supported in XEmacs.
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40
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41 8. Removed references to NOMULTIPLEJOBS. This is unused in XEmacs
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42 and in FSF Emacs.
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43
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44 9. Removed references to HAVE_WAIT_HEADER and WAIT_USE_INT.
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45 They are unnecessary with the cleaned up syswait.h in XEmacs.
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46 (We autodetect sys/wait.h). Instead, #define or #undef
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47 HAVE_UNION_WAIT.
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48
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49 10. Removed BSTRING. Not used anywhere. (If the header file
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50 says there are bugs in bcopy() or the like, however, a
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51 #define BROKEN_BCOPY is added for reference.)
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52
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53 11. Removed #defines of bcopy, bzero, bcmp, index, rindex.
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54 XEmacs makes consistent use of the ANSI-equivalent
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55 functions memcpy, memset, memcmp, strchr, strrchr.
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57 12. '#define subprocesses' removed. Use '#define NO_SUBPROCESSES'
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58 if they don't exist.
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59
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60 13. References to HAVE_VFORK removed. configure detects this.
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62 14. Removed references to SYSV_SYSTEM_DIR, NONSYSTEM_DIR_LIBRARY,
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63 HAVE_SOCKETS, HAVE_SYSVIPC. configure detects these.
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64
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65 15. Removed defines of HAVE_TERMIOS, HAVE_TERMIO, HAVE_TCATTR (when
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66 HAVE_TERMIOS was also defined), and SIGNALS_VIA_CHARACTERS. configure
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67 detects these and systty.h automatically defines HAVE_TCATTR when
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68 HAVE_TERMIOS is defined.
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70 16. Removed SETPGRP_RELEASES_CTTY. Not necessary any more, with
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71 fixed definitions of EMACS_SEPARATE_PROCESS_GROUP et al.
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73 17. Removed defines of NLIST_STRUCT. configure detects this.
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75 18. Removed defines of _setjmp and _longjmp. configure detects this.
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77 19. Removed all '#define static' business. Defines NO_REMAP instead.
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79 20. Removed defines of HAVE_MACH_MACH_H. configure detects this.
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81 21. Removed KERNEL_FILE and LDAV_SYMBOL from most if not all files.
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82 getloadavg.c has all sorts of conditional defns to define these.
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84 22. Got rid of most PTY-related stuff. We try hard to autodetect the
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85 proper way of allocating PTY's. Removed HAVE_PTYS defn.
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87 23. Removed HAVE_SOCKETS, we autodetect this.
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89 24. Removed CLASH_DETECTION; this is now a configurable option.
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90
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91 25. Removed BSD_PGRPS; this is autodetected.
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92
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93 26. Removed NARROWPROTO; this is autodetected.
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94
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95 27. Removed LIBS_DEBUG, C_DEBUG_SWITCH, C_OPTIMIZE_SWITCH.
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96 None of them are used any more. Any such stuff goes into
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97 configure.ac.