Package: emacs;
Reported by: Paul Eggert <eggert <at> cs.ucla.edu>
Date: Tue, 19 Jun 2012 21:58:01 UTC
Severity: minor
Tags: patch
Done: Paul Eggert <eggert <at> cs.ucla.edu>
Bug is archived. No further changes may be made.
Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: Paul Eggert <eggert <at> cs.ucla.edu> To: bug-gnu-emacs <at> gnu.org Cc: Eli Zaretskii <eliz <at> gnu.org> Subject: NO_RETURN -> _Noreturn Date: Tue, 19 Jun 2012 14:53:33 -0700
Tags: patch Here's a modernization patch I'd like to install after some further testing. This affects the NT port so I'm CC'ing Eli. === modified file 'ChangeLog' --- ChangeLog 2012-06-17 01:42:56 +0000 +++ ChangeLog 2012-06-19 21:22:45 +0000 @@ -1,3 +1,10 @@ +2012-06-19 Paul Eggert <eggert <at> cs.ucla.edu> + + Switch from NO_RETURN to C11's _Noreturn. + We might as well use the spelling standardized by C11, + as in the long run that should simplify maintenance. + * configure.in (NO_RETURN): Remove. All uses replaced by _Noreturn. + 2012-06-13 Andreas Schwab <schwab <at> linux-m68k.org> * configure.in: Rename --enable-use-lisp-union-type to === modified file 'configure.in' --- configure.in 2012-06-13 13:40:48 +0000 +++ configure.in 2012-06-19 21:22:45 +0000 @@ -3598,13 +3598,6 @@ #include <string.h> #include <stdlib.h> -#if defined __GNUC__ && (__GNUC__ > 2 \ - || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5)) -#define NO_RETURN __attribute__ ((__noreturn__)) -#else -#define NO_RETURN /* nothing */ -#endif - #if __GNUC__ >= 3 /* On GCC 3.0 we might get a warning. */ #define NO_INLINE __attribute__((noinline)) #else === modified file 'lib-src/ChangeLog' --- lib-src/ChangeLog 2012-06-10 13:20:58 +0000 +++ lib-src/ChangeLog 2012-06-19 21:22:45 +0000 @@ -1,3 +1,18 @@ +2012-06-19 Paul Eggert <eggert <at> cs.ucla.edu> + + Switch from NO_RETURN to C11's _Noreturn. + * ebrowse.c (usage, version): + * emacsclient.c (print_help_and_exit, fail): + * etags.c (suggest_asking_for_help, fatal, pfatal): + * hexl.c (usage): + * make-docfile.c (fatal): + * movemail.c (fatal, pfatal_with_name, pfatal_and_delete): + * update-game-score.c (usage): + * ebrowse.c (usage, version): + * emacsclient.c (print_help_and_exit, fail): + Use _Noreturn rather than NO_RETURN. + No need for separate decl merely because of _Noreturn. + 2012-06-08 Andreas Schwab <schwab <at> linux-m68k.org> * make-docfile.c (search_lisp_doc_at_eol): Unget last read === modified file 'lib-src/ebrowse.c' --- lib-src/ebrowse.c 2012-01-19 07:21:25 +0000 +++ lib-src/ebrowse.c 2012-06-19 21:22:45 +0000 @@ -463,10 +463,6 @@ static void class_definition (struct sym *, int, int, int); static char *operator_name (int *); static void parse_qualified_param_ident_or_type (char **); -static void usage (int) NO_RETURN; -static void version (void) NO_RETURN; - - /*********************************************************************** Utilities @@ -3507,7 +3503,7 @@ --version display version info\n\ " -static void +static _Noreturn void usage (int error) { puts (USAGE); @@ -3522,7 +3518,7 @@ # define VERSION "21" #endif -static void +static _Noreturn void version (void) { /* Makes it easier to update automatically. */ === modified file 'lib-src/emacsclient.c' --- lib-src/emacsclient.c 2012-05-05 04:32:58 +0000 +++ lib-src/emacsclient.c 2012-06-19 21:22:45 +0000 @@ -169,8 +169,7 @@ be used for the new frame */ const char *frame_parameters = NULL; -static void print_help_and_exit (void) NO_RETURN; -static void fail (void) NO_RETURN; +static _Noreturn void print_help_and_exit (void); struct option longopts[] = @@ -670,7 +669,7 @@ } -static void +static _Noreturn void print_help_and_exit (void) { /* Spaces and tabs are significant in this message; they're chosen so the @@ -718,7 +717,7 @@ defined-- exit with an errorcode. Uses argv, but gets it from the global variable main_argv. */ -static void +static _Noreturn void fail (void) { if (alternate_editor) === modified file 'lib-src/etags.c' --- lib-src/etags.c 2012-05-21 15:36:54 +0000 +++ lib-src/etags.c 2012-06-19 21:22:45 +0000 @@ -366,9 +366,9 @@ static void free_regexps (void); static void regex_tag_multiline (void); static void error (const char *, ...) ATTRIBUTE_FORMAT_PRINTF (1, 2); -static void suggest_asking_for_help (void) NO_RETURN; -void fatal (const char *, const char *) NO_RETURN; -static void pfatal (const char *) NO_RETURN; +static _Noreturn void suggest_asking_for_help (void); +_Noreturn void fatal (const char *, const char *); +static _Noreturn void pfatal (const char *); static void add_node (node *, node **); static void init (void); === modified file 'lib-src/hexl.c' --- lib-src/hexl.c 2012-01-19 07:21:25 +0000 +++ lib-src/hexl.c 2012-06-19 21:22:45 +0000 @@ -48,7 +48,7 @@ int group_by = DEFAULT_GROUPING; char *progname; -void usage (void) NO_RETURN; +_Noreturn void usage (void); int main (int argc, char **argv) === modified file 'lib-src/make-docfile.c' --- lib-src/make-docfile.c 2012-06-08 21:33:58 +0000 +++ lib-src/make-docfile.c 2012-06-19 21:22:45 +0000 @@ -76,7 +76,6 @@ static int scan_file (char *filename); static int scan_lisp_file (const char *filename, const char *mode); static int scan_c_file (char *filename, const char *mode); -static void fatal (const char *s1, const char *s2) NO_RETURN; static void start_globals (void); static void write_globals (void); @@ -111,7 +110,7 @@ /* Print error message and exit. */ /* VARARGS1 */ -static void +static _Noreturn void fatal (const char *s1, const char *s2) { error (s1, s2); === modified file 'lib-src/movemail.c' --- lib-src/movemail.c 2012-01-19 07:21:25 +0000 +++ lib-src/movemail.c 2012-06-19 21:22:45 +0000 @@ -137,10 +137,10 @@ char *strerror (int); #endif -static void fatal (const char *s1, const char *s2, const char *s3) NO_RETURN; +static _Noreturn void fatal (const char *s1, const char *s2, const char *s3); static void error (const char *s1, const char *s2, const char *s3); -static void pfatal_with_name (char *name) NO_RETURN; -static void pfatal_and_delete (char *name) NO_RETURN; +static _Noreturn void pfatal_with_name (char *name); +static _Noreturn void pfatal_and_delete (char *name); static char *concat (const char *s1, const char *s2, const char *s3); static long *xmalloc (unsigned int size); #ifdef MAIL_USE_POP === modified file 'lib-src/update-game-score.c' --- lib-src/update-game-score.c 2012-04-16 00:41:01 +0000 +++ lib-src/update-game-score.c 2012-06-19 21:22:45 +0000 @@ -48,8 +48,6 @@ #include <sys/stat.h> #include <getopt.h> -static int usage (int err) NO_RETURN; - #define MAX_ATTEMPTS 5 #define MAX_SCORES 200 #define MAX_DATA_LEN 1024 @@ -59,7 +57,7 @@ #define difftime(t1, t0) (double)((t1) - (t0)) #endif -static int +static _Noreturn void usage (int err) { fprintf (stdout, "Usage: update-game-score [-m MAX] [-r] [-d DIR] game/scorefile SCORE DATA\n"); @@ -89,17 +87,13 @@ static int write_scores (const char *filename, const struct score_entry *scores, int count); -static void lose (const char *msg) NO_RETURN; - -static void +static _Noreturn void lose (const char *msg) { fprintf (stderr, "%s\n", msg); exit (EXIT_FAILURE); } -static void lose_syserr (const char *msg) NO_RETURN; - /* Taken from sysdep.c. */ #ifndef HAVE_STRERROR #ifndef WINDOWSNT @@ -116,7 +110,7 @@ #endif /* not WINDOWSNT */ #endif /* ! HAVE_STRERROR */ -static void +static _Noreturn void lose_syserr (const char *msg) { fprintf (stderr, "%s: %s\n", msg, strerror (errno)); === modified file 'lwlib/ChangeLog' --- lwlib/ChangeLog 2012-06-10 13:20:58 +0000 +++ lwlib/ChangeLog 2012-06-19 21:22:45 +0000 @@ -1,3 +1,10 @@ +2012-06-19 Paul Eggert <eggert <at> cs.ucla.edu> + + Switch from NO_RETURN to C11's _Noreturn. + * xlwmenu.c (abort_gracefully): + Use _Noreturn rather than NO_RETURN. + No need for separate decl merely because of _Noreturn. + 2012-05-31 Paul Eggert <eggert <at> cs.ucla.edu> Remove obsolete '#define static' cruft. === modified file 'lwlib/xlwmenu.c' --- lwlib/xlwmenu.c 2012-05-31 05:08:37 +0000 +++ lwlib/xlwmenu.c 2012-06-19 21:22:45 +0000 @@ -190,7 +190,6 @@ static void Nothing(Widget w, XEvent *ev, String *params, Cardinal *num_params); static int separator_height (enum menu_separator); static void pop_up_menu (XlwMenuWidget, XButtonPressedEvent *); -static void abort_gracefully (Widget w) NO_RETURN; static XtActionsRec xlwMenuActionsList [] = @@ -273,7 +272,7 @@ /* Like abort, but remove grabs from widget W before. */ -static void +static _Noreturn void abort_gracefully (Widget w) { if (XtIsShell (XtParent (w))) === modified file 'nt/ChangeLog' --- nt/ChangeLog 2012-06-16 13:17:14 +0000 +++ nt/ChangeLog 2012-06-19 21:22:45 +0000 @@ -1,3 +1,10 @@ +2012-06-19 Paul Eggert <eggert <at> cs.ucla.edu> + + Switch from NO_RETURN to C11's _Noreturn. + * config.nt (_Noreturn): New macro. + (NO_RETURN): Remove. All uses replaced with _Noreturn. + (w32_abort) [HAVE_NTGUI]: Use _Noreturn rather than NO_RETURN. + 2012-06-16 Eli Zaretskii <eliz <at> gnu.org> * makefile.w32-in (install-addpm): New target. === modified file 'nt/config.nt' --- nt/config.nt 2012-06-11 23:17:11 +0000 +++ nt/config.nt 2012-06-19 21:22:45 +0000 @@ -495,18 +495,23 @@ #endif #include <stdlib.h> -#ifndef NO_RETURN -#if defined __GNUC__ && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR >= 5)) -#define NO_RETURN __attribute__ ((__noreturn__)) -#else -#define NO_RETURN /* nothing */ -#endif +/* The _Noreturn keyword of C11. */ +#if ! (defined _Noreturn \ + || (defined __STDC_VERSION__ && 201112 <= __STDC_VERSION__)) +# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \ + || 0x5110 <= __SUNPRO_C) +# define _Noreturn __attribute__ ((__noreturn__)) +# elif defined _MSC_VER && 1200 <= _MSC_VER +# define _Noreturn __declspec (noreturn) +# else +# define _Noreturn +# endif #endif /* Redefine abort. */ #ifdef HAVE_NTGUI #define abort w32_abort -void w32_abort (void) NO_RETURN; +_Noreturn void w32_abort (void); #endif /* Prevent accidental use of features unavailable in === modified file 'src/ChangeLog' --- src/ChangeLog 2012-06-19 18:57:39 +0000 +++ src/ChangeLog 2012-06-19 21:22:45 +0000 @@ -1,3 +1,36 @@ +2012-06-19 Paul Eggert <eggert <at> cs.ucla.edu> + + Switch from NO_RETURN to C11's _Noreturn. + * buffer.h (buffer_slot_type_mismatch): + * data.c (arith_error) [!FORWARD_SIGNAL_TO_MAIN_THREAD]: + * editfns.c (time_overflow): + * eval.c (unwind_to_catch): + * image.c (my_png_error, my_error_exit): + * keyboard.c (quit_throw_to_read_char, user_error) + (Fexit_recursive_edit, Fabort_recursive_edit): + * lisp.h (die, args_out_of_range, args_out_of_range_3) + (wrong_type_argument, buffer_overflow, __executable_start) + (memory_full, buffer_memory_full, string_overflow, Fthrow) + (xsignal, xsignal0, xsignal1, xsignal2, xsignal3, signal_error) + (error, verror, nsberror, report_file_error, Ftop_level, Fkill_emacs) + (fatal): + (child_setup) [!DOS_NT]: + * lread.c (end_of_file_error, invalid_syntax): + * process.c (send_process_trap) [!FORWARD_SIGNAL_TO_MAIN_THREAD]: + * puresize.h (pure_write_error): + * search.c (matcher_overflow): + * sound.c (sound_perror, alsa_sound_perror): + * sysdep.c, syssignal.h (croak): + * term.c (maybe_fatal, vfatal): + * textprop.c (text_read_only): + * undo.c (user_error): + * unexmacosx.c (unexec_error): + * xterm.c (x_ins_del_lines, x_delete_glyphs): + Use _Noreturn rather than NO_RETURN. + No need for separate decl merely because of _Noreturn. + * sound.c (sound_warning, parse_sound): + Remove unnecessary forward decls. + 2012-06-19 Stefan Monnier <monnier <at> iro.umontreal.ca> * minibuf.c (Fread_string): Bind minibuffer-completion-table. === modified file 'src/buffer.h' --- src/buffer.h 2012-06-16 12:24:15 +0000 +++ src/buffer.h 2012-06-19 21:22:45 +0000 @@ -882,7 +882,7 @@ extern void set_buffer_temp (struct buffer *); extern Lisp_Object buffer_local_value_1 (Lisp_Object, Lisp_Object); extern void record_buffer (Lisp_Object); -extern void buffer_slot_type_mismatch (Lisp_Object, int) NO_RETURN; +extern _Noreturn void buffer_slot_type_mismatch (Lisp_Object, int); extern void fix_overlays_before (struct buffer *, ptrdiff_t, ptrdiff_t); extern void mmap_set_vars (int); === modified file 'src/data.c' --- src/data.c 2012-06-19 16:56:28 +0000 +++ src/data.c 2012-06-19 21:22:45 +0000 @@ -3213,9 +3213,8 @@ } #ifndef FORWARD_SIGNAL_TO_MAIN_THREAD -static void arith_error (int) NO_RETURN; +_Noreturn #endif - static void arith_error (int signo) { === modified file 'src/editfns.c' --- src/editfns.c 2012-06-16 12:24:15 +0000 +++ src/editfns.c 2012-06-19 21:22:45 +0000 @@ -73,7 +73,6 @@ extern Lisp_Object w32_get_internal_run_time (void); #endif -static void time_overflow (void) NO_RETURN; static Lisp_Object format_time_string (char const *, ptrdiff_t, Lisp_Object, int, time_t *, struct tm *); static int tm_diff (struct tm *, struct tm *); @@ -1378,7 +1377,7 @@ #endif /* Report that a time value is out of range for Emacs. */ -static void +static _Noreturn void time_overflow (void) { error ("Specified time is not representable"); === modified file 'src/eval.c' --- src/eval.c 2012-06-08 13:18:26 +0000 +++ src/eval.c 2012-06-19 21:22:45 +0000 @@ -131,7 +131,6 @@ Lisp_Object inhibit_lisp_code; static Lisp_Object funcall_lambda (Lisp_Object, ptrdiff_t, Lisp_Object *); -static void unwind_to_catch (struct catchtag *, Lisp_Object) NO_RETURN; static int interactive_p (int); static Lisp_Object apply_lambda (Lisp_Object fun, Lisp_Object args); static Lisp_Object Ffetch_bytecode (Lisp_Object); @@ -1111,10 +1110,10 @@ This is used for correct unwinding in Fthrow and Fsignal. */ -static void +static _Noreturn void unwind_to_catch (struct catchtag *catch, Lisp_Object value) { - register int last_time; + int last_time; /* Save the value in the tag. */ catch->val = value; === modified file 'src/image.c' --- src/image.c 2012-06-19 16:56:28 +0000 +++ src/image.c 2012-06-19 21:22:45 +0000 @@ -5553,8 +5553,7 @@ /* Error and warning handlers installed when the PNG library is initialized. */ -static void my_png_error (png_struct *, const char *) NO_RETURN; -static void +static _Noreturn void my_png_error (png_struct *png_ptr, const char *msg) { xassert (png_ptr != NULL); @@ -6135,8 +6134,7 @@ }; -static void my_error_exit (j_common_ptr) NO_RETURN; -static void +static _Noreturn void my_error_exit (j_common_ptr cinfo) { struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err; === modified file 'src/keyboard.c' --- src/keyboard.c 2012-06-19 16:56:28 +0000 +++ src/keyboard.c 2012-06-19 21:22:45 +0000 @@ -462,7 +462,7 @@ static Lisp_Object (Fcommand_execute) (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object); static void handle_interrupt (void); -static void quit_throw_to_read_char (int) NO_RETURN; +static _Noreturn void quit_throw_to_read_char (int); static void process_special_events (void); static void timer_start_idle (void); static void timer_stop_idle (void); @@ -1195,13 +1195,13 @@ Fthrow (Qtop_level, Qnil); } -static void user_error (const char*) NO_RETURN; -static void user_error (const char *msg) +static _Noreturn void +user_error (const char *msg) { xsignal1 (Quser_error, build_string (msg)); } -static Lisp_Object Fexit_recursive_edit (void) NO_RETURN; +_Noreturn DEFUN ("exit-recursive-edit", Fexit_recursive_edit, Sexit_recursive_edit, 0, 0, "", doc: /* Exit from the innermost recursive edit or minibuffer. */) (void) @@ -1212,7 +1212,7 @@ user_error ("No recursive edit is in progress"); } -static Lisp_Object Fabort_recursive_edit (void) NO_RETURN; +_Noreturn DEFUN ("abort-recursive-edit", Fabort_recursive_edit, Sabort_recursive_edit, 0, 0, "", doc: /* Abort the command that requested this recursive edit or minibuffer input. */) (void) === modified file 'src/lisp.h' --- src/lisp.h 2012-06-17 08:21:25 +0000 +++ src/lisp.h 2012-06-19 21:22:45 +0000 @@ -113,7 +113,7 @@ # define eassert(X) ((void) (0 && (X))) /* Check that X compiles. */ #else /* ENABLE_CHECKING */ -extern void die (const char *, const char *, int) NO_RETURN; +extern _Noreturn void die (const char *, const char *, int); /* The suppress_checking variable is initialized to 0 in alloc.c. Set it to 1 using a debugger to temporarily disable aborting on @@ -2388,10 +2388,10 @@ extern uintmax_t cons_to_unsigned (Lisp_Object, uintmax_t); extern struct Lisp_Symbol *indirect_variable (struct Lisp_Symbol *); -extern void args_out_of_range (Lisp_Object, Lisp_Object) NO_RETURN; -extern void args_out_of_range_3 (Lisp_Object, Lisp_Object, - Lisp_Object) NO_RETURN; -extern Lisp_Object wrong_type_argument (Lisp_Object, Lisp_Object) NO_RETURN; +extern _Noreturn void args_out_of_range (Lisp_Object, Lisp_Object); +extern _Noreturn void args_out_of_range_3 (Lisp_Object, Lisp_Object, + Lisp_Object); +extern _Noreturn Lisp_Object wrong_type_argument (Lisp_Object, Lisp_Object); extern Lisp_Object do_symval_forwarding (union Lisp_Fwd *); extern void set_internal (Lisp_Object, Lisp_Object, Lisp_Object, int); extern void syms_of_data (void); @@ -2554,7 +2554,7 @@ extern Lisp_Object Qinhibit_modification_hooks; extern void move_gap (ptrdiff_t); extern void move_gap_both (ptrdiff_t, ptrdiff_t); -extern void buffer_overflow (void) NO_RETURN; +extern _Noreturn void buffer_overflow (void); extern void make_gap (ptrdiff_t); extern ptrdiff_t copy_text (const unsigned char *, unsigned char *, ptrdiff_t, int, int); @@ -2599,7 +2599,7 @@ /* Defined in dispnew.c */ #if (defined PROFILING \ && (defined __FreeBSD__ || defined GNU_LINUX || defined __MINGW32__)) -void __executable_start (void) NO_RETURN; +_Noreturn void __executable_start (void); #endif extern Lisp_Object selected_frame; extern Lisp_Object Vwindow_system; @@ -2675,8 +2675,8 @@ extern void reset_malloc_hooks (void); extern void uninterrupt_malloc (void); extern void malloc_warning (const char *); -extern void memory_full (size_t) NO_RETURN; -extern void buffer_memory_full (ptrdiff_t) NO_RETURN; +extern _Noreturn void memory_full (size_t); +extern _Noreturn void buffer_memory_full (ptrdiff_t); extern int survives_gc_p (Lisp_Object); extern void mark_object (Lisp_Object); #if defined REL_ALLOC && !defined SYSTEM_MALLOC @@ -2698,7 +2698,7 @@ EXFUN (Fvector, MANY); EXFUN (Fmake_symbol, 1); EXFUN (Fmake_marker, 0); -extern void string_overflow (void) NO_RETURN; +extern _Noreturn void string_overflow (void); EXFUN (Fmake_string, 2); extern Lisp_Object build_string (const char *); extern Lisp_Object make_string (const char *, ptrdiff_t); @@ -2872,14 +2872,15 @@ (ptrdiff_t nargs, Lisp_Object *args)); EXFUN (Fprogn, UNEVALLED); EXFUN (Finteractive_p, 0); -EXFUN (Fthrow, 2) NO_RETURN; +_Noreturn EXFUN (Fthrow, 2); EXFUN (Fsignal, 2); -extern void xsignal (Lisp_Object, Lisp_Object) NO_RETURN; -extern void xsignal0 (Lisp_Object) NO_RETURN; -extern void xsignal1 (Lisp_Object, Lisp_Object) NO_RETURN; -extern void xsignal2 (Lisp_Object, Lisp_Object, Lisp_Object) NO_RETURN; -extern void xsignal3 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object) NO_RETURN; -extern void signal_error (const char *, Lisp_Object) NO_RETURN; +extern _Noreturn void xsignal (Lisp_Object, Lisp_Object); +extern _Noreturn void xsignal0 (Lisp_Object); +extern _Noreturn void xsignal1 (Lisp_Object, Lisp_Object); +extern _Noreturn void xsignal2 (Lisp_Object, Lisp_Object, Lisp_Object); +extern _Noreturn void xsignal3 (Lisp_Object, Lisp_Object, Lisp_Object, + Lisp_Object); +extern _Noreturn void signal_error (const char *, Lisp_Object); EXFUN (Fcommandp, 2); EXFUN (Ffunctionp, 1); EXFUN (Feval, 2); @@ -2905,9 +2906,9 @@ extern void specbind (Lisp_Object, Lisp_Object); extern void record_unwind_protect (Lisp_Object (*) (Lisp_Object), Lisp_Object); extern Lisp_Object unbind_to (ptrdiff_t, Lisp_Object); -extern void error (const char *, ...) NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 2); -extern void verror (const char *, va_list) - NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 0); +extern _Noreturn void error (const char *, ...) ATTRIBUTE_FORMAT_PRINTF (1, 2); +extern _Noreturn void verror (const char *, va_list) + ATTRIBUTE_FORMAT_PRINTF (1, 0); extern void do_autoload (Lisp_Object, Lisp_Object); extern Lisp_Object un_autoload (Lisp_Object); extern void init_eval_once (void); @@ -2968,7 +2969,7 @@ /* Defined in buffer.c */ extern int mouse_face_overlay_overlaps (Lisp_Object); -extern void nsberror (Lisp_Object) NO_RETURN; +extern _Noreturn void nsberror (Lisp_Object); EXFUN (Fset_buffer_multibyte, 1); EXFUN (Foverlay_start, 1); EXFUN (Foverlay_end, 1); @@ -3051,7 +3052,7 @@ EXFUN (Fread_file_name, 6); extern Lisp_Object close_file_unwind (Lisp_Object); extern Lisp_Object restore_point_unwind (Lisp_Object); -extern void report_file_error (const char *, Lisp_Object) NO_RETURN; +extern _Noreturn void report_file_error (const char *, Lisp_Object); extern int internal_delete_file (Lisp_Object); extern void syms_of_fileio (void); extern Lisp_Object make_temp_name (Lisp_Object, int); @@ -3139,7 +3140,7 @@ extern int input_pending; EXFUN (Fdiscard_input, 0); EXFUN (Frecursive_edit, 0); -EXFUN (Ftop_level, 0) NO_RETURN; +_Noreturn EXFUN (Ftop_level, 0); extern Lisp_Object menu_bar_items (Lisp_Object); extern Lisp_Object tool_bar_items (Lisp_Object, int *); extern void discard_mouse_events (void); @@ -3208,7 +3209,7 @@ extern void fatal_error_signal (int); #endif extern Lisp_Object Qkill_emacs; -EXFUN (Fkill_emacs, 1) NO_RETURN; +_Noreturn EXFUN (Fkill_emacs, 1); #if HAVE_SETLOCALE void fixup_locale (void); void synchronize_system_messages_locale (void); @@ -3260,11 +3261,10 @@ extern void setup_process_coding_systems (Lisp_Object); EXFUN (Fcall_process, MANY); -extern int child_setup (int, int, int, char **, int, Lisp_Object) #ifndef DOS_NT - NO_RETURN + _Noreturn #endif - ; +extern int child_setup (int, int, int, char **, int, Lisp_Object); extern void init_callproc_1 (void); extern void init_callproc (void); extern void set_initial_environment (void); @@ -3397,8 +3397,8 @@ extern int *char_ins_del_vector; extern void mark_ttys (void); extern void syms_of_term (void); -extern void fatal (const char *msgid, ...) - NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 2); +extern _Noreturn void fatal (const char *msgid, ...) + ATTRIBUTE_FORMAT_PRINTF (1, 2); /* Defined in terminal.c */ EXFUN (Fframe_terminal, 1); === modified file 'src/lread.c' --- src/lread.c 2012-06-19 16:56:28 +0000 +++ src/lread.c 2012-06-19 21:22:45 +0000 @@ -154,10 +154,6 @@ Lisp_Object, Lisp_Object); static Lisp_Object load_unwind (Lisp_Object); static Lisp_Object load_descriptor_unwind (Lisp_Object); - -static void invalid_syntax (const char *) NO_RETURN; -static void end_of_file_error (void) NO_RETURN; - /* Functions that read one byte from the current source READCHARFUN or unreads one byte. If the integer argument C is -1, it returns @@ -1664,7 +1660,7 @@ /* Signal an `end-of-file' error, if possible with file name information. */ -static void +static _Noreturn void end_of_file_error (void) { if (STRINGP (Vload_file_name)) @@ -2032,7 +2028,7 @@ /* Signal Qinvalid_read_syntax error. S is error string of length N (if > 0) */ -static void +static _Noreturn void invalid_syntax (const char *s) { xsignal1 (Qinvalid_read_syntax, build_string (s)); === modified file 'src/process.c' --- src/process.c 2012-06-18 06:58:00 +0000 +++ src/process.c 2012-06-19 21:22:45 +0000 @@ -5361,7 +5361,7 @@ static Lisp_Object process_sent_to; #ifndef FORWARD_SIGNAL_TO_MAIN_THREAD -static void send_process_trap (int) NO_RETURN; +static _Noreturn void send_process_trap (int); #endif static void === modified file 'src/puresize.h' --- src/puresize.h 2012-05-25 18:19:24 +0000 +++ src/puresize.h 2012-06-19 21:22:45 +0000 @@ -75,7 +75,7 @@ { if (PURE_P (obj)) \ pure_write_error (); } -extern void pure_write_error (void) NO_RETURN; +extern _Noreturn void pure_write_error (void); /* Define PURE_P. */ === modified file 'src/search.c' --- src/search.c 2012-06-16 12:24:15 +0000 +++ src/search.c 2012-06-19 21:22:45 +0000 @@ -101,9 +101,8 @@ static EMACS_INT search_buffer (Lisp_Object, ptrdiff_t, ptrdiff_t, ptrdiff_t, ptrdiff_t, EMACS_INT, int, Lisp_Object, Lisp_Object, int); -static void matcher_overflow (void) NO_RETURN; -static void +static _Noreturn void matcher_overflow (void) { error ("Stack overflow in regexp matcher"); === modified file 'src/sound.c' --- src/sound.c 2012-05-25 18:19:24 +0000 +++ src/sound.c 2012-06-19 21:22:45 +0000 @@ -109,13 +109,6 @@ SOUND_ATTR_SENTINEL }; -#ifdef HAVE_ALSA -static void alsa_sound_perror (const char *, int) NO_RETURN; -#endif -static void sound_perror (const char *) NO_RETURN; -static void sound_warning (const char *); -static int parse_sound (Lisp_Object, Lisp_Object *); - /* END: Common Definitions */ /* BEGIN: Non Windows Definitions */ @@ -320,7 +313,7 @@ /* Like perror, but signals an error. */ -static void +static _Noreturn void sound_perror (const char *msg) { int saved_errno = errno; @@ -909,7 +902,7 @@ #define DEFAULT_ALSA_SOUND_DEVICE "default" #endif -static void +static _Noreturn void alsa_sound_perror (const char *msg, int err) { error ("%s: %s", msg, snd_strerror (err)); === modified file 'src/sysdep.c' --- src/sysdep.c 2012-06-02 21:01:07 +0000 +++ src/sysdep.c 2012-06-19 21:22:45 +0000 @@ -127,7 +127,7 @@ static int emacs_get_tty (int, struct emacs_tty *); static int emacs_set_tty (int, struct emacs_tty *, int); #if defined TIOCNOTTY || defined USG5 || defined CYGWIN -static void croak (char *) NO_RETURN; +static _Noreturn void croak (char *); #endif /* Declare here, including term.h is problematic on some systems. */ === modified file 'src/syssignal.h' --- src/syssignal.h 2012-05-01 03:45:39 +0000 +++ src/syssignal.h 2012-06-19 21:22:45 +0000 @@ -76,7 +76,7 @@ sigset_t sys_sigunblock (sigset_t new_mask); sigset_t sys_sigsetmask (sigset_t new_mask); #if ! (defined TIOCNOTTY || defined USG5 || defined CYGWIN) -void croak (char *) NO_RETURN; +_Noreturn void croak (char *); #endif #define sys_sigdel(MASK,SIG) sigdelset (&MASK,SIG) === modified file 'src/term.c' --- src/term.c 2012-06-19 06:49:50 +0000 +++ src/term.c 2012-06-19 21:22:45 +0000 @@ -85,11 +85,11 @@ static void set_tty_hooks (struct terminal *terminal); static void dissociate_if_controlling_tty (int fd); static void delete_tty (struct terminal *); -static void maybe_fatal (int must_succeed, struct terminal *terminal, - const char *str1, const char *str2, ...) - NO_RETURN ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); -static void vfatal (const char *str, va_list ap) - NO_RETURN ATTRIBUTE_FORMAT_PRINTF (1, 0); +static _Noreturn void maybe_fatal (int must_succeed, struct terminal *terminal, + const char *str1, const char *str2, ...) + ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5); +static _Noreturn void vfatal (const char *str, va_list ap) + ATTRIBUTE_FORMAT_PRINTF (1, 0); #define OUTPUT(tty, a) \ === modified file 'src/textprop.c' --- src/textprop.c 2012-06-16 12:24:15 +0000 +++ src/textprop.c 2012-06-19 21:22:45 +0000 @@ -72,7 +72,6 @@ static Lisp_Object interval_insert_behind_hooks; static Lisp_Object interval_insert_in_front_hooks; -static void text_read_only (Lisp_Object) NO_RETURN; static Lisp_Object Fprevious_property_change (Lisp_Object, Lisp_Object, Lisp_Object); @@ -80,7 +79,7 @@ /* Signal a `text-read-only' error. This function makes it easier to capture that error in GDB by putting a breakpoint on it. */ -static void +static _Noreturn void text_read_only (Lisp_Object propval) { if (STRINGP (propval)) === modified file 'src/undo.c' --- src/undo.c 2012-06-16 12:24:15 +0000 +++ src/undo.c 2012-06-19 21:22:45 +0000 @@ -438,8 +438,8 @@ unbind_to (count, Qnil); } -static void user_error (const char*) NO_RETURN; -static void user_error (const char *msg) +static _Noreturn void +user_error (const char *msg) { xsignal1 (Quser_error, build_string (msg)); } === modified file 'src/unexmacosx.c' --- src/unexmacosx.c 2012-05-27 12:18:35 +0000 +++ src/unexmacosx.c 2012-06-19 21:22:45 +0000 @@ -197,8 +197,6 @@ static struct segment_command *data_segment_scp; -static void unexec_error (const char *format, ...) NO_RETURN; - /* Read N bytes from infd into memory starting at address DEST. Return true if successful, false otherwise. */ static int @@ -275,7 +273,7 @@ /* Debugging and informational messages routines. */ -static void +static _Noreturn void unexec_error (const char *format, ...) { va_list ap; === modified file 'src/xterm.c' --- src/xterm.c 2012-06-17 07:39:50 +0000 +++ src/xterm.c 2012-06-19 21:22:45 +0000 @@ -320,7 +320,7 @@ static void XTset_terminal_modes (struct terminal *); static void XTreset_terminal_modes (struct terminal *); static void x_clear_frame (struct frame *); -static void x_ins_del_lines (struct frame *, int, int) NO_RETURN; +static _Noreturn void x_ins_del_lines (struct frame *, int, int); static void frame_highlight (struct frame *); static void frame_unhighlight (struct frame *); static void x_new_focus_frame (struct x_display_info *, struct frame *); @@ -353,7 +353,7 @@ #ifdef USE_GTK static int x_dispatch_event (XEvent *, Display *); #endif -/* Don't declare this NO_RETURN because we want no +/* Don't declare this _Noreturn because we want no interference with debugging failing X calls. */ static void x_connection_closed (Display *, const char *); static void x_wm_set_window_state (struct frame *, int); @@ -912,7 +912,7 @@ static void x_draw_composite_glyph_string_foreground (struct glyph_string *); static void x_draw_glyph_string_box (struct glyph_string *); static void x_draw_glyph_string (struct glyph_string *); -static void x_delete_glyphs (struct frame *, int) NO_RETURN; +static _Noreturn void x_delete_glyphs (struct frame *, int); static void x_compute_glyph_string_overhangs (struct glyph_string *); static void x_set_cursor_gc (struct glyph_string *); static void x_set_mode_line_face_gc (struct glyph_string *);
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.