texlive[54649] Build/source/texk/web2c: Externalize common variables.

commits+ascherer at tug.org commits+ascherer at tug.org
Sat Apr 11 17:57:16 CEST 2020 

Revision: 54649
          http://tug.org/svn/texlive?view=revision&revision=54649
Author:   ascherer
Date:     2020-04-11 17:57:15 +0200 (Sat, 11 Apr 2020)
Log Message:
-----------
Externalize common variables.

Four variables from 'common.h' are made 'extern' by moving them to
'common.w' (via 'comm-w2c.ch' and 'comm-w2c.h').

Modified Paths:
--------------
    trunk/Build/source/texk/web2c/ChangeLog
    trunk/Build/source/texk/web2c/ctangleboot.cin
    trunk/Build/source/texk/web2c/cwebboot.cin
    trunk/Build/source/texk/web2c/cwebdir/ChangeLog
    trunk/Build/source/texk/web2c/cwebdir/comm-w2c.ch
    trunk/Build/source/texk/web2c/cwebdir/comm-w2c.h

Modified: trunk/Build/source/texk/web2c/ChangeLog
===================================================================
--- trunk/Build/source/texk/web2c/ChangeLog	2020-04-11 01:11:40 UTC (rev 54648)
+++ trunk/Build/source/texk/web2c/ChangeLog	2020-04-11 15:57:15 UTC (rev 54649)
@@ -1,3 +1,8 @@
+2020-04-11  Andreas Scherer  <https://ascherer.github.io>
+
+	* ctangleboot.cin,
+	* cwebboot.cin: Rearrange 'common variables'.
+
 2020-03-30  Andreas Scherer  <https://ascherer.github.io>
 
 	* ctangleboot.cin,

Modified: trunk/Build/source/texk/web2c/ctangleboot.cin
===================================================================
--- trunk/Build/source/texk/web2c/ctangleboot.cin	2020-04-11 01:11:40 UTC (rev 54648)
+++ trunk/Build/source/texk/web2c/ctangleboot.cin	2020-04-11 15:57:15 UTC (rev 54649)
@@ -176,10 +176,10 @@
 /*:5*//*7:*/
 #line 79 "cwebdir/comm-w2c.h"
 
-char section_text[longest_name+1];
-char*section_text_end= section_text+longest_name;
-char*id_first;
-char*id_loc;
+extern char section_text[];
+extern char*section_text_end;
+extern char*id_first;
+extern char*id_loc;
 
 /*:7*//*8:*/
 #line 94 "cwebdir/comm-w2c.h"
@@ -832,7 +832,7 @@
 #line 779 "cwebdir/ctang-w2c.ch"
 
 char x[BUFSIZ],y[BUFSIZ];
-int x_size,y_size,comparison;
+int x_size,y_size,comparison= false;
 
 if((check_file= fopen(check_file_name,"r"))==NULL)
 fatal(_("! Cannot open output file "),check_file_name);

Modified: trunk/Build/source/texk/web2c/cwebboot.cin
===================================================================
--- trunk/Build/source/texk/web2c/cwebboot.cin	2020-04-11 01:11:40 UTC (rev 54648)
+++ trunk/Build/source/texk/web2c/cwebboot.cin	2020-04-11 15:57:15 UTC (rev 54649)
@@ -17,14 +17,14 @@
 #include <stdlib.h>  
 
 /*:22*//*81:*/
-#line 1120 "cwebdir/comm-w2c.ch"
+#line 1132 "cwebdir/comm-w2c.ch"
 
 #include <string.h> 
 #line 1417 "cwebdir/common.w"
 
-#line 1127 "cwebdir/comm-w2c.ch"
+#line 1139 "cwebdir/comm-w2c.ch"
 /*:81*//*85:*/
-#line 1166 "cwebdir/comm-w2c.ch"
+#line 1178 "cwebdir/comm-w2c.ch"
 
 #include <stdbool.h>  
 #include <stddef.h>  
@@ -31,7 +31,7 @@
 #include <stdint.h>  
 
 /*:85*//*88:*/
-#line 1208 "cwebdir/comm-w2c.ch"
+#line 1220 "cwebdir/comm-w2c.ch"
 
 #ifndef HAVE_GETTEXT
 #define HAVE_GETTEXT 0
@@ -48,7 +48,7 @@
 #endif
 
 /*:88*//*90:*/
-#line 1298 "cwebdir/comm-w2c.ch"
+#line 1310 "cwebdir/comm-w2c.ch"
 
 typedef bool boolean;
 #define HAVE_BOOLEAN
@@ -192,7 +192,16 @@
 int program;
 #line 76 "cwebdir/common.w"
 
-/*:2*//*7:*/
+/*:2*//*6:*/
+#line 90 "cwebdir/comm-w2c.ch"
+
+char section_text[longest_name+1];
+char*section_text_end= section_text+longest_name;
+char*id_first;
+char*id_loc;
+#line 138 "cwebdir/common.w"
+
+/*:6*//*7:*/
 #line 159 "cwebdir/common.w"
 
 char buffer[long_buf_size];
@@ -220,7 +229,7 @@
 /*:10*//*20:*/
 #line 418 "cwebdir/common.w"
 
-#line 264 "cwebdir/comm-w2c.ch"
+#line 276 "cwebdir/comm-w2c.ch"
 typedef uint8_t eight_bits;
 typedef uint16_t sixteen_bits;
 #line 420 "cwebdir/common.w"
@@ -250,7 +259,7 @@
 }dummy;
 
 /*:40*//*55:*/
-#line 703 "cwebdir/comm-w2c.ch"
+#line 715 "cwebdir/comm-w2c.ch"
 
 void*equiv_or_xref;
 #line 1064 "cwebdir/common.w"
@@ -292,10 +301,10 @@
 char C_file_name[max_file_name_length];
 char tex_file_name[max_file_name_length];
 char idx_file_name[max_file_name_length];
-#line 864 "cwebdir/comm-w2c.ch"
+#line 876 "cwebdir/comm-w2c.ch"
 char scn_file_name[max_file_name_length];
 char check_file_name[max_file_name_length];
-#line 871 "cwebdir/comm-w2c.ch"
+#line 883 "cwebdir/comm-w2c.ch"
 boolean flags[128];
 const char*use_language= "";
 #line 1228 "cwebdir/common.w"
@@ -306,15 +315,15 @@
 FILE*C_file;
 FILE*tex_file;
 FILE*idx_file;
-#line 1053 "cwebdir/comm-w2c.ch"
+#line 1065 "cwebdir/comm-w2c.ch"
 FILE*scn_file;
 FILE*check_file;
-#line 1060 "cwebdir/comm-w2c.ch"
+#line 1072 "cwebdir/comm-w2c.ch"
 FILE*active_file;
 char*found_filename;
 #line 1376 "cwebdir/common.w"
 
-#line 1077 "cwebdir/comm-w2c.ch"
+#line 1089 "cwebdir/comm-w2c.ch"
 /*:77*/
 #line 61 "cwebdir/common.w"
 
@@ -329,7 +338,7 @@
 char*change_limit;
 
 /*:11*//*86:*/
-#line 1182 "cwebdir/comm-w2c.ch"
+#line 1194 "cwebdir/comm-w2c.ch"
 
 char cb_banner[max_banner];
 string texmf_locale;
@@ -344,7 +353,7 @@
 /*33:*/
 #line 650 "cwebdir/common.w"
 
-#line 432 "cwebdir/comm-w2c.ch"
+#line 444 "cwebdir/comm-w2c.ch"
 extern boolean names_match(name_pointer,const char*,size_t,eight_bits);
 #line 652 "cwebdir/common.w"
 
@@ -351,7 +360,7 @@
 /*:33*//*38:*/
 #line 703 "cwebdir/common.w"
 
-#line 462 "cwebdir/comm-w2c.ch"
+#line 474 "cwebdir/comm-w2c.ch"
 extern void init_p(name_pointer,eight_bits);
 #line 705 "cwebdir/common.w"
 
@@ -358,7 +367,7 @@
 /*:38*//*46:*/
 #line 852 "cwebdir/common.w"
 
-#line 542 "cwebdir/comm-w2c.ch"
+#line 554 "cwebdir/comm-w2c.ch"
 extern void init_node(name_pointer);
 #line 854 "cwebdir/common.w"
 
@@ -365,7 +374,7 @@
 /*:46*//*53:*/
 #line 1017 "cwebdir/common.w"
 
-#line 668 "cwebdir/comm-w2c.ch"
+#line 680 "cwebdir/comm-w2c.ch"
 static int section_name_cmp(char**,int,name_pointer);
 #line 1019 "cwebdir/common.w"
 
@@ -372,7 +381,7 @@
 /*:53*//*57:*/
 #line 1092 "cwebdir/common.w"
 
-#line 710 "cwebdir/comm-w2c.ch"
+#line 722 "cwebdir/comm-w2c.ch"
 extern void err_print(const char*);
 #line 1094 "cwebdir/common.w"
 
@@ -379,16 +388,16 @@
 /*:57*//*60:*/
 #line 1140 "cwebdir/common.w"
 
-#line 737 "cwebdir/comm-w2c.ch"
+#line 749 "cwebdir/comm-w2c.ch"
 extern int wrap_up(void);
 extern void print_stats(void);
 #line 1143 "cwebdir/common.w"
 
-#line 748 "cwebdir/comm-w2c.ch"
+#line 760 "cwebdir/comm-w2c.ch"
 /*:60*//*63:*/
 #line 1173 "cwebdir/common.w"
 
-#line 811 "cwebdir/comm-w2c.ch"
+#line 823 "cwebdir/comm-w2c.ch"
 extern void fatal(const char*,const char*);
 extern void overflow(const char*);
 #line 1175 "cwebdir/common.w"
@@ -396,12 +405,12 @@
 /*:63*//*69:*/
 #line 1251 "cwebdir/common.w"
 
-#line 893 "cwebdir/comm-w2c.ch"
+#line 905 "cwebdir/comm-w2c.ch"
 static void scan_args(void);
 #line 1253 "cwebdir/common.w"
 
 /*:69*//*83:*/
-#line 1142 "cwebdir/comm-w2c.ch"
+#line 1154 "cwebdir/comm-w2c.ch"
 
 boolean get_line(void);
 name_pointer id_lookup(const char*,const char*,char);
@@ -414,7 +423,7 @@
 void sprint_section_name(char*,name_pointer);
 
 /*:83*//*84:*/
-#line 1155 "cwebdir/comm-w2c.ch"
+#line 1167 "cwebdir/comm-w2c.ch"
 
 static boolean input_ln(FILE*);
 static int web_strcmp(char*,int,char*,int);
@@ -424,7 +433,7 @@
 static void prime_the_change_buffer(void);
 
 /*:84*//*98:*/
-#line 1399 "cwebdir/comm-w2c.ch"
+#line 1411 "cwebdir/comm-w2c.ch"
 
 static void cb_usage(const_string str);
 static void cb_usagehelp(const_string*message,const_string bug_email);
@@ -464,7 +473,7 @@
 #line 72 "cwebdir/comm-w2c.ch"
 
 /*91:*/
-#line 1313 "cwebdir/comm-w2c.ch"
+#line 1325 "cwebdir/comm-w2c.ch"
 
 kpse_set_program_name(argv[0],"cweb");
 
@@ -472,7 +481,7 @@
 #line 73 "cwebdir/comm-w2c.ch"
 
 /*89:*/
-#line 1264 "cwebdir/comm-w2c.ch"
+#line 1276 "cwebdir/comm-w2c.ch"
 
 setlocale(LC_MESSAGES,setlocale(LC_CTYPE,""));
 texmf_locale= kpse_var_expand("${TEXMFLOCALEDIR}");
@@ -493,7 +502,7 @@
 /*68:*/
 #line 1233 "cwebdir/common.w"
 
-#line 878 "cwebdir/comm-w2c.ch"
+#line 890 "cwebdir/comm-w2c.ch"
 temporary_output= 1;
 #line 1235 "cwebdir/common.w"
 
@@ -501,7 +510,7 @@
 #line 75 "cwebdir/comm-w2c.ch"
 
 /*78:*/
-#line 1077 "cwebdir/comm-w2c.ch"
+#line 1089 "cwebdir/comm-w2c.ch"
 
 scan_args();
 if(program==ctangle){
@@ -536,7 +545,7 @@
 /*:4*//*9:*/
 #line 172 "cwebdir/common.w"
 
-#line 103 "cwebdir/comm-w2c.ch"
+#line 115 "cwebdir/comm-w2c.ch"
 static boolean input_ln(
 FILE*fp)
 #line 175 "cwebdir/common.w"
@@ -546,12 +555,12 @@
 if(feof(fp))return(0);
 limit= k= buffer;
 while(k<=buffer_end&&(c= getc(fp))!=EOF&&c!='\n')
-#line 110 "cwebdir/comm-w2c.ch"
+#line 122 "cwebdir/comm-w2c.ch"
 if((*(k++)= c)!=' '&&c!='\r')limit= k;
 #line 182 "cwebdir/common.w"
 if(k> buffer_end)
 if((c= getc(fp))!=EOF&&c!='\n'){
-#line 116 "cwebdir/comm-w2c.ch"
+#line 128 "cwebdir/comm-w2c.ch"
 ungetc(c,fp);loc= buffer;err_print(_("! Input line too long"));
 #line 185 "cwebdir/common.w"
 
@@ -564,7 +573,7 @@
 /*:9*//*12:*/
 #line 251 "cwebdir/common.w"
 
-#line 142 "cwebdir/comm-w2c.ch"
+#line 154 "cwebdir/comm-w2c.ch"
 static void
 prime_the_change_buffer(void)
 #line 254 "cwebdir/common.w"
@@ -578,13 +587,13 @@
 if(!input_ln(change_file))return;
 if(limit<buffer+2)continue;
 if(buffer[0]!='@')continue;
-#line 149 "cwebdir/comm-w2c.ch"
+#line 161 "cwebdir/comm-w2c.ch"
 if(xisupper(buffer[1]))buffer[1]= tolower((eight_bits)buffer[1]);
 #line 272 "cwebdir/common.w"
 if(buffer[1]=='x')break;
 if(buffer[1]=='y'||buffer[1]=='z'||buffer[1]=='i'){
 loc= buffer+2;
-#line 155 "cwebdir/comm-w2c.ch"
+#line 167 "cwebdir/comm-w2c.ch"
 err_print(_("! Missing @x in change file"));
 #line 276 "cwebdir/common.w"
 
@@ -600,7 +609,7 @@
 do{
 change_line++;
 if(!input_ln(change_file)){
-#line 161 "cwebdir/comm-w2c.ch"
+#line 173 "cwebdir/comm-w2c.ch"
 err_print(_("! Change file ended after @x"));
 #line 287 "cwebdir/common.w"
 
@@ -615,7 +624,7 @@
 #line 292 "cwebdir/common.w"
 
 {
-#line 168 "cwebdir/comm-w2c.ch"
+#line 180 "cwebdir/comm-w2c.ch"
 change_limit= change_buffer+(ptrdiff_t)(limit-buffer);
 strncpy(change_buffer,buffer,(size_t)(limit-buffer+1));
 #line 296 "cwebdir/common.w"
@@ -629,7 +638,7 @@
 /*:12*//*16:*/
 #line 320 "cwebdir/common.w"
 
-#line 176 "cwebdir/comm-w2c.ch"
+#line 188 "cwebdir/comm-w2c.ch"
 static void
 check_change(void)
 #line 323 "cwebdir/common.w"
@@ -644,7 +653,7 @@
 while(1){
 changing= 1;print_where= 1;change_line++;
 if(!input_ln(change_file)){
-#line 183 "cwebdir/comm-w2c.ch"
+#line 195 "cwebdir/comm-w2c.ch"
 err_print(_("! Change file ended before @y"));
 #line 335 "cwebdir/common.w"
 
@@ -652,7 +661,7 @@
 return;
 }
 if(limit> buffer+1&&buffer[0]=='@'){
-#line 189 "cwebdir/comm-w2c.ch"
+#line 201 "cwebdir/comm-w2c.ch"
 char xyz_code= xisupper(buffer[1])?tolower((eight_bits)buffer[1]):buffer[1];
 #line 341 "cwebdir/common.w"
 /*17:*/
@@ -659,7 +668,7 @@
 #line 358 "cwebdir/common.w"
 
 if(xyz_code=='x'||xyz_code=='z'){
-#line 201 "cwebdir/comm-w2c.ch"
+#line 213 "cwebdir/comm-w2c.ch"
 loc= buffer+2;err_print(_("! Where is the matching @y?"));
 #line 361 "cwebdir/common.w"
 
@@ -668,7 +677,7 @@
 if(n> 0){
 loc= buffer+2;
 printf("\n! Hmm... %d ",n);
-#line 207 "cwebdir/comm-w2c.ch"
+#line 219 "cwebdir/comm-w2c.ch"
 err_print(_("of the preceding lines failed to match"));
 #line 368 "cwebdir/common.w"
 
@@ -685,7 +694,7 @@
 #line 292 "cwebdir/common.w"
 
 {
-#line 168 "cwebdir/comm-w2c.ch"
+#line 180 "cwebdir/comm-w2c.ch"
 change_limit= change_buffer+(ptrdiff_t)(limit-buffer);
 strncpy(change_buffer,buffer,(size_t)(limit-buffer+1));
 #line 296 "cwebdir/common.w"
@@ -697,7 +706,7 @@
 changing= 0;cur_line++;
 while(!input_ln(cur_file)){
 if(include_depth==0){
-#line 195 "cwebdir/comm-w2c.ch"
+#line 207 "cwebdir/comm-w2c.ch"
 err_print(_("! CWEB file ended during a change"));
 #line 349 "cwebdir/common.w"
 
@@ -712,7 +721,7 @@
 /*:16*//*18:*/
 #line 378 "cwebdir/common.w"
 
-#line 214 "cwebdir/comm-w2c.ch"
+#line 226 "cwebdir/comm-w2c.ch"
 void
 reset_input(void)
 #line 381 "cwebdir/common.w"
@@ -721,7 +730,7 @@
 /*19:*/
 #line 393 "cwebdir/common.w"
 
-#line 225 "cwebdir/comm-w2c.ch"
+#line 237 "cwebdir/comm-w2c.ch"
 if((found_filename= kpse_find_cweb(web_file_name))==NULL||
 (web_file= fopen(found_filename,"r"))==NULL){
 fatal(_("! Cannot open input file "),web_file_name);
@@ -736,7 +745,7 @@
 
 
 web_file_open= 1;
-#line 241 "cwebdir/comm-w2c.ch"
+#line 253 "cwebdir/comm-w2c.ch"
 if((found_filename= kpse_find_cweb(change_file_name))==NULL||
 (change_file= fopen(found_filename,"r"))==NULL){
 fatal(_("! Cannot open change file "),change_file_name);
@@ -761,7 +770,7 @@
 /*:18*//*21:*/
 #line 426 "cwebdir/common.w"
 
-#line 271 "cwebdir/comm-w2c.ch"
+#line 283 "cwebdir/comm-w2c.ch"
 boolean get_line(void)
 #line 428 "cwebdir/common.w"
 {
@@ -772,7 +781,7 @@
 {
 change_line++;
 if(!input_ln(change_file)){
-#line 370 "cwebdir/comm-w2c.ch"
+#line 382 "cwebdir/comm-w2c.ch"
 err_print(_("! Change file ended without @z"));
 #line 541 "cwebdir/common.w"
 
@@ -787,12 +796,12 @@
 }
 *limit= ' ';
 if(buffer[0]=='@'){
-#line 376 "cwebdir/comm-w2c.ch"
+#line 388 "cwebdir/comm-w2c.ch"
 if(xisupper(buffer[1]))buffer[1]= tolower((eight_bits)buffer[1]);
 #line 554 "cwebdir/common.w"
 if(buffer[1]=='x'||buffer[1]=='y'){
 loc= buffer+2;
-#line 382 "cwebdir/comm-w2c.ch"
+#line 394 "cwebdir/comm-w2c.ch"
 err_print(_("! Where is the matching @z?"));
 #line 557 "cwebdir/common.w"
 
@@ -838,7 +847,7 @@
 loc= buffer+2;*limit= '"';
 while(*loc==' '||*loc=='\t')loc++;
 if(loc>=limit){
-#line 277 "cwebdir/comm-w2c.ch"
+#line 289 "cwebdir/comm-w2c.ch"
 err_print(_("! Include file name not given"));
 #line 443 "cwebdir/common.w"
 
@@ -845,7 +854,7 @@
 goto restart;
 }
 if(include_depth>=max_include_depth-1){
-#line 283 "cwebdir/comm-w2c.ch"
+#line 295 "cwebdir/comm-w2c.ch"
 err_print(_("! Too many nested includes"));
 #line 448 "cwebdir/common.w"
 
@@ -855,7 +864,7 @@
 /*23:*/
 #line 474 "cwebdir/common.w"
 {
-#line 319 "cwebdir/comm-w2c.ch"
+#line 331 "cwebdir/comm-w2c.ch"
 char*cur_file_name_end= cur_file_name+max_file_name_length-1;
 char*k= cur_file_name;
 #line 479 "cwebdir/common.w"
@@ -869,7 +878,7 @@
 if(k> cur_file_name_end)too_long();
 
 *k= '\0';
-#line 326 "cwebdir/comm-w2c.ch"
+#line 338 "cwebdir/comm-w2c.ch"
 if((found_filename= kpse_find_cweb(cur_file_name))!=NULL&&
 (cur_file= fopen(found_filename,"r"))!=NULL){
 
@@ -883,7 +892,7 @@
 cur_line= 0;print_where= 1;
 goto restart;
 }
-#line 364 "cwebdir/comm-w2c.ch"
+#line 376 "cwebdir/comm-w2c.ch"
 include_depth--;err_print(_("! Cannot open include file"));goto restart;
 #line 518 "cwebdir/common.w"
 }
@@ -895,11 +904,11 @@
 return 1;
 }
 
-#line 298 "cwebdir/comm-w2c.ch"
+#line 310 "cwebdir/comm-w2c.ch"
 /*:21*//*26:*/
 #line 569 "cwebdir/common.w"
 
-#line 392 "cwebdir/comm-w2c.ch"
+#line 404 "cwebdir/comm-w2c.ch"
 void
 check_complete(void){
 if(change_limit!=change_buffer){
@@ -907,7 +916,7 @@
 limit= buffer+(ptrdiff_t)(change_limit-change_buffer);
 #line 575 "cwebdir/common.w"
 changing= 1;change_depth= include_depth;loc= buffer;
-#line 402 "cwebdir/comm-w2c.ch"
+#line 414 "cwebdir/comm-w2c.ch"
 err_print(_("! Change file entry did not match"));
 #line 577 "cwebdir/common.w"
 
@@ -917,7 +926,7 @@
 /*:26*//*35:*/
 #line 660 "cwebdir/common.w"
 
-#line 444 "cwebdir/comm-w2c.ch"
+#line 456 "cwebdir/comm-w2c.ch"
 name_pointer
 id_lookup(
 const char*first,
@@ -930,7 +939,7 @@
 int l;
 name_pointer p;
 if(last==NULL)for(last= first;*last!='\0';last++);
-#line 456 "cwebdir/comm-w2c.ch"
+#line 468 "cwebdir/comm-w2c.ch"
 l= (int)(last-first);
 #line 673 "cwebdir/common.w"
 /*36:*/
@@ -959,13 +968,13 @@
 if(p==name_ptr)/*39:*/
 #line 706 "cwebdir/common.w"
 {
-#line 469 "cwebdir/comm-w2c.ch"
+#line 481 "cwebdir/comm-w2c.ch"
 if(byte_ptr+l> byte_mem_end)overflow(_("byte memory"));
 if(name_ptr>=name_dir_end)overflow(_("name"));
 #line 709 "cwebdir/common.w"
 strncpy(byte_ptr,first,l);
 (++name_ptr)->byte_start= byte_ptr+= l;
-#line 476 "cwebdir/comm-w2c.ch"
+#line 488 "cwebdir/comm-w2c.ch"
 init_p(p,t);
 #line 712 "cwebdir/common.w"
 }
@@ -979,7 +988,7 @@
 /*:35*//*42:*/
 #line 764 "cwebdir/common.w"
 
-#line 484 "cwebdir/comm-w2c.ch"
+#line 496 "cwebdir/comm-w2c.ch"
 void
 print_section_name(
 name_pointer p)
@@ -990,7 +999,7 @@
 while(p!=name_dir){
 ss= (p+1)->byte_start-1;
 if(*ss==' '&&ss>=s){
-#line 494 "cwebdir/comm-w2c.ch"
+#line 506 "cwebdir/comm-w2c.ch"
 term_write(s,(size_t)(ss-s));p= q->link;q= p;
 }else{
 term_write(s,(size_t)(ss+1-s));p= name_dir;q= NULL;
@@ -1004,7 +1013,7 @@
 /*:42*//*43:*/
 #line 783 "cwebdir/common.w"
 
-#line 505 "cwebdir/comm-w2c.ch"
+#line 517 "cwebdir/comm-w2c.ch"
 void
 sprint_section_name(
 char*dest,
@@ -1020,7 +1029,7 @@
 }else{
 ss++;p= name_dir;
 }
-#line 514 "cwebdir/comm-w2c.ch"
+#line 526 "cwebdir/comm-w2c.ch"
 strncpy(dest,s,(size_t)(ss-s)),dest+= ss-s;
 #line 799 "cwebdir/common.w"
 s= p->byte_start;
@@ -1031,7 +1040,7 @@
 /*:43*//*44:*/
 #line 804 "cwebdir/common.w"
 
-#line 522 "cwebdir/comm-w2c.ch"
+#line 534 "cwebdir/comm-w2c.ch"
 void
 print_prefix_name(
 name_pointer p)
@@ -1046,7 +1055,7 @@
 /*:44*//*45:*/
 #line 825 "cwebdir/common.w"
 
-#line 532 "cwebdir/comm-w2c.ch"
+#line 544 "cwebdir/comm-w2c.ch"
 static int web_strcmp(
 char*j,
 int j_len,
@@ -1066,7 +1075,7 @@
 /*:45*//*47:*/
 #line 855 "cwebdir/common.w"
 
-#line 554 "cwebdir/comm-w2c.ch"
+#line 566 "cwebdir/comm-w2c.ch"
 static name_pointer
 add_section_name(
 name_pointer par,
@@ -1078,9 +1087,9 @@
 {
 name_pointer p= name_ptr;
 char*s= first_chunk(p);
-#line 566 "cwebdir/comm-w2c.ch"
+#line 578 "cwebdir/comm-w2c.ch"
 int name_len= (int)(last-first)+ispref;
-#line 573 "cwebdir/comm-w2c.ch"
+#line 585 "cwebdir/comm-w2c.ch"
 if(s+name_len> byte_mem_end)overflow(_("byte memory"));
 if(name_ptr+1>=name_dir_end)overflow(_("name"));
 #line 869 "cwebdir/common.w"
@@ -1102,7 +1111,7 @@
 /*:47*//*48:*/
 #line 884 "cwebdir/common.w"
 
-#line 585 "cwebdir/comm-w2c.ch"
+#line 597 "cwebdir/comm-w2c.ch"
 static void
 extend_section_name(
 name_pointer p,
@@ -1113,9 +1122,9 @@
 {
 char*s;
 name_pointer q= p+1;
-#line 596 "cwebdir/comm-w2c.ch"
+#line 608 "cwebdir/comm-w2c.ch"
 int name_len= (int)(last-first)+ispref;
-#line 602 "cwebdir/comm-w2c.ch"
+#line 614 "cwebdir/comm-w2c.ch"
 if(name_ptr>=name_dir_end)overflow(_("name"));
 #line 896 "cwebdir/common.w"
 while(q->link!=name_dir)q= q->link;
@@ -1122,7 +1131,7 @@
 q->link= name_ptr;
 s= name_ptr->byte_start;
 name_ptr->link= name_dir;
-#line 608 "cwebdir/comm-w2c.ch"
+#line 620 "cwebdir/comm-w2c.ch"
 if(s+name_len> byte_mem_end)overflow(_("byte memory"));
 #line 901 "cwebdir/common.w"
 (++name_ptr)->byte_start= byte_ptr= s+name_len;
@@ -1133,7 +1142,7 @@
 /*:48*//*49:*/
 #line 912 "cwebdir/common.w"
 
-#line 617 "cwebdir/comm-w2c.ch"
+#line 629 "cwebdir/comm-w2c.ch"
 name_pointer
 section_lookup(
 char*first,char*last,
@@ -1146,7 +1155,7 @@
 name_pointer r= NULL;
 name_pointer par= NULL;
 
-#line 626 "cwebdir/comm-w2c.ch"
+#line 638 "cwebdir/comm-w2c.ch"
 int name_len= (int)(last-first)+1;
 #line 925 "cwebdir/common.w"
 /*50:*/
@@ -1160,12 +1169,12 @@
 p= (c==less?p->llink:p->rlink);
 }else{
 if(r!=NULL){
-#line 632 "cwebdir/comm-w2c.ch"
+#line 644 "cwebdir/comm-w2c.ch"
 fputs(_("\n! Ambiguous prefix: matches <"),stdout);
 #line 946 "cwebdir/common.w"
 
 print_prefix_name(p);
-#line 638 "cwebdir/comm-w2c.ch"
+#line 650 "cwebdir/comm-w2c.ch"
 fputs(_(">\n and <"),stdout);
 #line 949 "cwebdir/common.w"
 print_prefix_name(r);
@@ -1199,7 +1208,7 @@
 
 case prefix:
 if(!ispref){
-#line 644 "cwebdir/comm-w2c.ch"
+#line 656 "cwebdir/comm-w2c.ch"
 fputs(_("\n! New name is a prefix of <"),stdout);
 #line 975 "cwebdir/common.w"
 
@@ -1213,7 +1222,7 @@
 extend_section_name(r,first,last+1,ispref);
 return r;
 case bad_extension:
-#line 650 "cwebdir/comm-w2c.ch"
+#line 662 "cwebdir/comm-w2c.ch"
 fputs(_("\n! New name extends <"),stdout);
 #line 987 "cwebdir/common.w"
 
@@ -1221,12 +1230,12 @@
 err_print(">");
 return r;
 default:
-#line 656 "cwebdir/comm-w2c.ch"
+#line 668 "cwebdir/comm-w2c.ch"
 fputs(_("\n! Section name incompatible with <"),stdout);
 #line 993 "cwebdir/common.w"
 
 print_prefix_name(r);
-#line 662 "cwebdir/comm-w2c.ch"
+#line 674 "cwebdir/comm-w2c.ch"
 fputs(_(">,\n which abbreviates <"),stdout);
 #line 996 "cwebdir/common.w"
 print_section_name(r);
@@ -1242,7 +1251,7 @@
 /*:49*//*54:*/
 #line 1020 "cwebdir/common.w"
 
-#line 677 "cwebdir/comm-w2c.ch"
+#line 689 "cwebdir/comm-w2c.ch"
 static int section_name_cmp(
 char**pfirst,
 int len,
@@ -1261,7 +1270,7 @@
 switch(c= web_strcmp(first,len,s,ss-s)){
 case equal:if(q==name_dir)
 if(ispref){
-#line 686 "cwebdir/comm-w2c.ch"
+#line 698 "cwebdir/comm-w2c.ch"
 *pfirst= first+(ptrdiff_t)(ss-s);
 #line 1039 "cwebdir/common.w"
 return extension;
@@ -1270,7 +1279,7 @@
 case extension:
 if(!ispref)return bad_extension;
 first+= ss-s;
-#line 692 "cwebdir/comm-w2c.ch"
+#line 704 "cwebdir/comm-w2c.ch"
 if(q!=name_dir){len-= (int)(ss-s);s= q->byte_start;r= q;continue;}
 #line 1046 "cwebdir/common.w"
 *pfirst= first;return extension;
@@ -1282,7 +1291,7 @@
 /*:54*//*58:*/
 #line 1095 "cwebdir/common.w"
 
-#line 718 "cwebdir/comm-w2c.ch"
+#line 730 "cwebdir/comm-w2c.ch"
 void
 err_print(
 const char*s)
@@ -1294,7 +1303,7 @@
 #line 1115 "cwebdir/common.w"
 
 {if(changing&&include_depth==change_depth)
-#line 728 "cwebdir/comm-w2c.ch"
+#line 740 "cwebdir/comm-w2c.ch"
 printf(_(". (l. %d of change file)\n"),change_line);
 else if(include_depth==0)printf(_(". (l. %d)\n"),cur_line);
 else printf(_(". (l. %d of include file %s)\n"),cur_line,cur_file_name);
@@ -1321,18 +1330,18 @@
 /*:58*//*61:*/
 #line 1150 "cwebdir/common.w"
 
-#line 767 "cwebdir/comm-w2c.ch"
+#line 779 "cwebdir/comm-w2c.ch"
 int wrap_up(void){
 if(show_progress)new_line;
 #line 1153 "cwebdir/common.w"
 if(show_stats)
 print_stats();
-#line 774 "cwebdir/comm-w2c.ch"
+#line 786 "cwebdir/comm-w2c.ch"
 /*62:*/
 #line 1160 "cwebdir/common.w"
 
 switch(history){
-#line 798 "cwebdir/comm-w2c.ch"
+#line 810 "cwebdir/comm-w2c.ch"
 case spotless:
 if(show_happiness)puts(_("(No errors were found.)"));break;
 case harmless_message:
@@ -1345,10 +1354,10 @@
 }
 
 /*:62*/
-#line 774 "cwebdir/comm-w2c.ch"
+#line 786 "cwebdir/comm-w2c.ch"
 
 /*87:*/
-#line 1193 "cwebdir/comm-w2c.ch"
+#line 1205 "cwebdir/comm-w2c.ch"
 
 if(C_file)fclose(C_file);
 if(tex_file)fclose(tex_file);
@@ -1357,9 +1366,9 @@
 remove(check_file_name);
 
 /*:87*/
-#line 775 "cwebdir/comm-w2c.ch"
+#line 787 "cwebdir/comm-w2c.ch"
 
-#line 782 "cwebdir/comm-w2c.ch"
+#line 794 "cwebdir/comm-w2c.ch"
 switch(history){
 case harmless_message:return RETURN_WARN;
 case error_message:return RETURN_ERROR;
@@ -1370,13 +1379,13 @@
 }
 
 /*:61*//*64:*/
-#line 820 "cwebdir/comm-w2c.ch"
+#line 832 "cwebdir/comm-w2c.ch"
 void
 fatal(
 const char*s,const char*t)
 #line 1182 "cwebdir/common.w"
 {
-#line 828 "cwebdir/comm-w2c.ch"
+#line 840 "cwebdir/comm-w2c.ch"
 if(*s)fputs(s,stdout);
 #line 1184 "cwebdir/common.w"
 err_print(t);
@@ -1384,13 +1393,13 @@
 }
 
 /*:64*//*65:*/
-#line 836 "cwebdir/comm-w2c.ch"
+#line 848 "cwebdir/comm-w2c.ch"
 void
 overflow(
 const char*t)
 #line 1193 "cwebdir/common.w"
 {
-#line 844 "cwebdir/comm-w2c.ch"
+#line 856 "cwebdir/comm-w2c.ch"
 printf(_("\n! Sorry, %s capacity exceeded"),t);fatal("","");
 #line 1195 "cwebdir/common.w"
 }
@@ -1399,7 +1408,7 @@
 /*:65*//*70:*/
 #line 1254 "cwebdir/common.w"
 
-#line 900 "cwebdir/comm-w2c.ch"
+#line 912 "cwebdir/comm-w2c.ch"
 static void
 scan_args(void)
 #line 1257 "cwebdir/common.w"
@@ -1411,7 +1420,7 @@
 
 #line 1264 "cwebdir/common.w"
 
-#line 912 "cwebdir/comm-w2c.ch"
+#line 924 "cwebdir/comm-w2c.ch"
 
 #if defined DEV_NULL
 strncpy(change_file_name,DEV_NULL,max_file_name_length-2);
@@ -1426,13 +1435,13 @@
 while(--argc> 0){
 #line 1266 "cwebdir/common.w"
 if((**(++argv)=='-'||**argv=='+')&&*(*argv+1))/*74:*/
-#line 990 "cwebdir/comm-w2c.ch"
+#line 1002 "cwebdir/comm-w2c.ch"
 
 {
 if(strcmp("-help",*argv)==0||strcmp("--help",*argv)==0)
 
 /*94:*/
-#line 1338 "cwebdir/comm-w2c.ch"
+#line 1350 "cwebdir/comm-w2c.ch"
 
 cb_usagehelp(program==ctangle?CTANGLEHELP:
 program==cweave?CWEAVEHELP:CTWILLHELP,NULL);
@@ -1439,12 +1448,12 @@
 
 
 /*:94*/
-#line 994 "cwebdir/comm-w2c.ch"
+#line 1006 "cwebdir/comm-w2c.ch"
 
 if(strcmp("-version",*argv)==0||strcmp("--version",*argv)==0)
 
 /*96:*/
-#line 1380 "cwebdir/comm-w2c.ch"
+#line 1392 "cwebdir/comm-w2c.ch"
 
 printversionandexit(cb_banner,
 program==ctwill?"Donald E. Knuth":"Silvio Levy and Donald E. Knuth",
@@ -1452,7 +1461,7 @@
 
 
 /*:96*/
-#line 997 "cwebdir/comm-w2c.ch"
+#line 1009 "cwebdir/comm-w2c.ch"
 
 if(strcmp("-verbose",*argv)==0||strcmp("--verbose",*argv)==0)
 
@@ -1471,14 +1480,14 @@
 if(sscanf(++dot_pos,"%u",&kpathsea_debug)!=1)/*75:*/
 #line 1352 "cwebdir/common.w"
 
-#line 1040 "cwebdir/comm-w2c.ch"
+#line 1052 "cwebdir/comm-w2c.ch"
 cb_usage(program==ctangle?"ctangle":program==cweave?"cweave":"ctwill");
 
 #line 1363 "cwebdir/common.w"
 
-#line 1047 "cwebdir/comm-w2c.ch"
+#line 1059 "cwebdir/comm-w2c.ch"
 /*:75*/
-#line 1012 "cwebdir/comm-w2c.ch"
+#line 1024 "cwebdir/comm-w2c.ch"
 
 while(isdigit(*dot_pos))dot_pos++;
 dot_pos--;
@@ -1487,7 +1496,7 @@
 use_language= ++dot_pos;
 break;
 }else
-#line 1025 "cwebdir/comm-w2c.ch"
+#line 1037 "cwebdir/comm-w2c.ch"
  flags[(eight_bits)*dot_pos]= flag_change;
 #line 1350 "cwebdir/common.w"
 }
@@ -1497,7 +1506,7 @@
 
 else{
 s= name_pos= *argv;dot_pos= NULL;
-#line 933 "cwebdir/comm-w2c.ch"
+#line 945 "cwebdir/comm-w2c.ch"
 while(*s){
 if(*s=='.')dot_pos= s++;
 else if(*s==DIR_SEPARATOR||*s==DEVICE_SEPARATOR||*s=='/')
@@ -1512,7 +1521,7 @@
 {
 if(s-*argv> max_file_name_length-5)
 /*76:*/
-#line 1047 "cwebdir/comm-w2c.ch"
+#line 1059 "cwebdir/comm-w2c.ch"
 fatal(_("! Filename too long\n"),*argv);
 #line 1365 "cwebdir/common.w"
 
@@ -1541,12 +1550,12 @@
 #line 1310 "cwebdir/common.w"
 
 {
-#line 965 "cwebdir/comm-w2c.ch"
+#line 977 "cwebdir/comm-w2c.ch"
 if(strcmp(*argv,"-")!=0){
 #line 1314 "cwebdir/common.w"
 if(s-*argv> max_file_name_length-4)
 /*76:*/
-#line 1047 "cwebdir/comm-w2c.ch"
+#line 1059 "cwebdir/comm-w2c.ch"
 fatal(_("! Filename too long\n"),*argv);
 #line 1365 "cwebdir/common.w"
 
@@ -1557,7 +1566,7 @@
 if(dot_pos==NULL)
 sprintf(change_file_name,"%s.ch",*argv);
 else strcpy(change_file_name,*argv);
-#line 972 "cwebdir/comm-w2c.ch"
+#line 984 "cwebdir/comm-w2c.ch"
 }
 found_change= 1;
 #line 1321 "cwebdir/common.w"
@@ -1572,7 +1581,7 @@
 {
 if(s-*argv> max_file_name_length-5)
 /*76:*/
-#line 1047 "cwebdir/comm-w2c.ch"
+#line 1059 "cwebdir/comm-w2c.ch"
 fatal(_("! Filename too long\n"),*argv);
 #line 1365 "cwebdir/common.w"
 
@@ -1588,7 +1597,7 @@
 }else{
 strcpy(tex_file_name,*argv);
 strcpy(C_file_name,*argv);
-#line 979 "cwebdir/comm-w2c.ch"
+#line 991 "cwebdir/comm-w2c.ch"
 if(make_xrefs){
 #line 1336 "cwebdir/common.w"
 *dot_pos= 0;
@@ -1599,7 +1608,7 @@
 found_out= 1;
 }
 
-#line 989 "cwebdir/comm-w2c.ch"
+#line 1001 "cwebdir/comm-w2c.ch"
 /*:73*/
 #line 1277 "cwebdir/common.w"
 
@@ -1606,12 +1615,12 @@
 else/*75:*/
 #line 1352 "cwebdir/common.w"
 
-#line 1040 "cwebdir/comm-w2c.ch"
+#line 1052 "cwebdir/comm-w2c.ch"
  cb_usage(program==ctangle?"ctangle":program==cweave?"cweave":"ctwill");
 
 #line 1363 "cwebdir/common.w"
 
-#line 1047 "cwebdir/comm-w2c.ch"
+#line 1059 "cwebdir/comm-w2c.ch"
 /*:75*/
 #line 1278 "cwebdir/common.w"
 ;
@@ -1620,12 +1629,12 @@
 if(!found_web)/*75:*/
 #line 1352 "cwebdir/common.w"
 
-#line 1040 "cwebdir/comm-w2c.ch"
+#line 1052 "cwebdir/comm-w2c.ch"
 cb_usage(program==ctangle?"ctangle":program==cweave?"cweave":"ctwill");
 
 #line 1363 "cwebdir/common.w"
 
-#line 1047 "cwebdir/comm-w2c.ch"
+#line 1059 "cwebdir/comm-w2c.ch"
 /*:75*/
 #line 1281 "cwebdir/common.w"
 ;
@@ -1632,9 +1641,9 @@
 #line 1283 "cwebdir/common.w"
 }
 
-#line 952 "cwebdir/comm-w2c.ch"
+#line 964 "cwebdir/comm-w2c.ch"
 /*:70*//*95:*/
-#line 1346 "cwebdir/comm-w2c.ch"
+#line 1358 "cwebdir/comm-w2c.ch"
 
 static void cb_usage(const_string str)
 {
@@ -1667,7 +1676,7 @@
 }
 
 /*:95*//*97:*/
-#line 1388 "cwebdir/comm-w2c.ch"
+#line 1400 "cwebdir/comm-w2c.ch"
 
 void cb_show_banner(void)
 {

Modified: trunk/Build/source/texk/web2c/cwebdir/ChangeLog
===================================================================
--- trunk/Build/source/texk/web2c/cwebdir/ChangeLog	2020-04-11 01:11:40 UTC (rev 54648)
+++ trunk/Build/source/texk/web2c/cwebdir/ChangeLog	2020-04-11 15:57:15 UTC (rev 54649)
@@ -1,3 +1,7 @@
+2020-04-11  Andreas Scherer  <https://ascherer.github.io>
+
+	* comm-w2c.ch, comm-w2c.h: Rearrange 'common variables'.
+
 2020-03-30  Andreas Scherer  <https://ascherer.github.io>
 
 	* comm-w2c.ch, comm-w2c.h, ctang-w2c.ch, ctwill-w2c.ch, cweav-w2c.ch,

Modified: trunk/Build/source/texk/web2c/cwebdir/comm-w2c.ch
===================================================================
--- trunk/Build/source/texk/web2c/cwebdir/comm-w2c.ch	2020-04-11 01:11:40 UTC (rev 54648)
+++ trunk/Build/source/texk/web2c/cwebdir/comm-w2c.ch	2020-04-11 15:57:15 UTC (rev 54649)
@@ -83,6 +83,18 @@
 @z
 
 @x
+ at d minus_gt_ast 027 /* `\.{->*}'\,;  corresponds to MIT's {\tentex\char'27} */
+ at y
+ at d minus_gt_ast 027 /* `\.{->*}'\,;  corresponds to MIT's {\tentex\char'27} */
+
+@<Definitions...@>=
+char section_text[longest_name+1]; /* name being sought for */
+char *section_text_end = section_text+longest_name; /* end of |section_text| */
+char *id_first; /* where the current identifier begins in the buffer */
+char *id_loc; /* just after the current identifier in the buffer */
+ at z
+
+ at x
 @d buf_size 100 /* for \.{CWEAVE} and \.{CTANGLE} */
 @y
 @d buf_size 1000 /* for \.{CWEAVE} and \.{CTANGLE} */

Modified: trunk/Build/source/texk/web2c/cwebdir/comm-w2c.h
===================================================================
--- trunk/Build/source/texk/web2c/cwebdir/comm-w2c.h	2020-04-11 01:11:40 UTC (rev 54648)
+++ trunk/Build/source/texk/web2c/cwebdir/comm-w2c.h	2020-04-11 15:57:15 UTC (rev 54649)
@@ -77,10 +77,10 @@
 @d minus_gt_ast 027 /* `\.{->*}'\,;  corresponds to MIT's {\tentex\char'27} */
 
 @<Common code...@>=
-char section_text[longest_name+1]; /* name being sought for */
-char *section_text_end = section_text+longest_name; /* end of |section_text| */
-char *id_first; /* where the current identifier begins in the buffer */
-char *id_loc; /* just after the current identifier in the buffer */
+extern char section_text[]; /* name being sought for */
+extern char *section_text_end; /* end of |section_text| */
+extern char *id_first; /* where the current identifier begins in the buffer */
+extern char *id_loc; /* just after the current identifier in the buffer */
 
 @ Code related to input routines:

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