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This release is almost the same as CWEB 4.3, but * it fixes the indexing bug in CWEAVE/CTWILL that git retracted * it adds a few more changes from the CWEB 4.4 development branch
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,6 @@ | ||
| [Git-archive] | ||
| .gitattributes export-ignore | ||
| README.md export-ignore | ||
| my-changes.md export-ignore | ||
| testthings.w export-ignore | ||
| indentation.w export-ignore |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -4,35 +4,32 @@ No changes to CTANGLE or CWEAVE are needed. | |
| (Contributed 13 Oct 2000 by [email protected]; slightly edited by Don Knuth) | ||
| @x in limbo, change the title page document to specify Mac version | ||
| \centerline{(Version 4.2)} | ||
| \centerline{(Version 4.3)} | ||
| @y | ||
| \centerline{(Version 4.2 for MacOS)} | ||
| \centerline{(Version 4.3 for MacOS)} | ||
| @z | ||
| @x sections 23/24: Make input_ln accept \n, \r, \n\r, or \r\n as line endings | ||
| @x section 23: Make input_ln accept \n, \r, \n\r, or \r\n as line endings | ||
| @ In the unlikely event that your standard I/O library does not | ||
| support |feof|, |getc|, and |ungetc| you may have to change things here. | ||
| @^system dependencies@> | ||
| @<Predecl...@>= | ||
| static boolean input_ln(FILE *);@/ | ||
| @ @c | ||
| static boolean input_ln(@t\1\1@> /* copies a line into |buffer| or returns |false| */ | ||
| FILE *fp@t\2\2@>) /* what file to read from */ | ||
| @c | ||
| static boolean input_ln( /* copies a line into |buffer| or returns |false| */ | ||
| FILE *fp) /* what file to read from */ | ||
| { | ||
| register int c=EOF; /* character read; initialized so some compilers won't complain */ | ||
| register char *k; /* where next character goes */ | ||
| if (feof(fp)) return false; /* we have hit end-of-file */ | ||
| limit = k = buffer; /* beginning of buffer */ | ||
| register int c=EOF; /* character read; initialized so some compilers won't complain */ | ||
| register char *k; /* where next character goes */ | ||
| if (feof(fp)) return false; /* we have hit end-of-file */ | ||
| limit = k = buffer; /* beginning of buffer */ | ||
| while (k<=buffer_end && (c=getc(fp)) != EOF && c!='\n') | ||
| if ((*(k++) = c) != ' ') limit = k; | ||
| if (k>buffer_end) | ||
| if ((c=getc(fp))!=EOF && c!='\n') { | ||
| ungetc(c,fp); loc=buffer; err_print("! Input line too long"); | ||
| @.Input line too long@> | ||
| } | ||
| if (c==EOF && limit==buffer) return false; /* there was nothing after | ||
| if (c==EOF && limit==buffer) return false; /* there was nothing after | ||
| the last newline */ | ||
| return true; | ||
| } | ||
|
|
@@ -45,17 +42,14 @@ line endings, so that \.{CWEB} will works with ASCII files stored in | |
| \UNIX/, {\mc DOS} or {\mc MAC} format. | ||
| @^system dependencies@> | ||
|
|
||
| @<Predecl...@>= | ||
| static boolean input_ln(FILE *);@/ | ||
|
|
||
| @ @c | ||
| static boolean input_ln(@t\1\1@> /* copies a line into |buffer| or returns |false| */ | ||
| FILE *fp@t\2\2@>) /* what file to read from */ | ||
| @c | ||
| static boolean input_ln( /* copies a line into |buffer| or returns |false| */ | ||
| FILE *fp) /* what file to read from */ | ||
| { | ||
| register int c=EOF; /* character read; initialized so some compilers won't complain */ | ||
| register char *k; /* where next character goes */ | ||
| if (feof(fp)) return false; /* we have hit end-of-file */ | ||
| limit = k = buffer; /* beginning of buffer */ | ||
| register char *k; /* where next character goes */ | ||
| if (feof(fp)) return false; /* we have hit end-of-file */ | ||
| limit = k = buffer; /* beginning of buffer */ | ||
| while (true) { | ||
| c = getc(fp); | ||
| if (c==EOF) return limit!=buffer; /* |false|, if there was nothing after | ||
|
|
@@ -77,7 +71,7 @@ FILE *fp@t\2\2@>) /* what file to read from */ | |
| } | ||
| @z | ||
|
|
||
| @x section 28, simply return if no change file was specified | ||
| @x section 27, simply return if no change file was specified | ||
| change_limit=change_buffer; /* this value is used if the change file ends */ | ||
| @<Skip over comment lines in the change file; |return| if end of file@>@; | ||
| @y | ||
|
|
@@ -121,20 +115,19 @@ An omitted change file argument means that |"/dev/null"| should be used, | |
| @y | ||
| An omitted change file argument means that no change file should be used, | ||
| @z | ||
|
|
||
| @x section 76, make change file name empty when it is unspecified | ||
| @x section 75, make change file name empty when it is unspecified | ||
| strcpy(change_file_name,"/dev/null"); | ||
| @y | ||
| change_file_name[0]='\0'; /* empty string */ | ||
| @z | ||
| @x section 76, use the Metrowerks |ccommand| to access command lines | ||
| @x section 75, use the Metrowerks |ccommand| to access command lines | ||
| while (--argc > 0) { | ||
| @y | ||
| argc = ccommand (&argv); /* use Mac interface to command line */ | ||
| @^system dependencies@> | ||
| while (--argc > 0) { | ||
| @z | ||
| @x section 76, use the path separator constant | ||
| @x section 75, use the path separator constant | ||
| else if (*s=='/') dot_pos=NULL,name_pos=++s; | ||
| @y | ||
| else if (*s==PATH_SEP) dot_pos=NULL,name_pos=++s; | ||
|
|
||
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