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Remove limitation on input lines by using getline(3)

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This commit is contained in:
Baptiste Daroussin 2015-05-04 22:27:55 +00:00
parent 72cc039d1a
commit 53b89be196
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=282439
2 changed files with 8 additions and 7 deletions
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6
usr.bin/checknr/checknr.1
View File

@ -28,7 +28,7 @@
.\" @(#)checknr.1 8.1 (Berkeley) 6/6/93
.\" $FreeBSD$
.\"
.Dd January 26, 2005
.Dd May 5, 2015
.Dt CHECKNR 1
.Os
.Sh NAME
@ -157,7 +157,3 @@ There is no way to define a 1 character macro name using
.Pp
Does not correctly recognize certain reasonable constructs,
such as conditionals.
.Pp
Input lines are limited to
.Dv LINE_MAX
(2048) bytes in length.

9
usr.bin/checknr/checknr.c
View File

@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
* structured typesetting.
*/
#include <err.h>
#define _WITH_GETLINE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -284,11 +285,14 @@ process(FILE *f)
{
int i, n;
char mac[5]; /* The current macro or nroff command */
char *line;
size_t linecap;
int pl;
static char line[256]; /* the current line */
line = NULL;
linecap = 0;
stktop = -1;
for (lineno = 1; fgets(line, sizeof line, f); lineno++) {
for (lineno = 1; getline(&line, &linecap, f) > 0; lineno++) {
if (line[0] == '.') {
/*
* find and isolate the macro/command name.
@ -367,6 +371,7 @@ process(FILE *f)
}
}
}
free(line);
/*
* We've hit the end and look at all this stuff that hasn't been
* matched yet! Complain, complain.