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Code Issues Releases Activity

P1003.2 forbids imposing any limit on line lengths; read character by

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character instead of manually buffering each line.
This commit is contained in:
Tim J. Robbins 2002-05-24 07:05:10 +00:00
parent 55be04ab11
commit ce78cbf9e0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=97230
1 changed files with 22 additions and 24 deletions
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46
usr.bin/paste/paste.c
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@ -115,11 +115,10 @@ int
parallel(char **argv)
{
LIST *lp;
int cnt;
int cnt, ich;
char ch, *p;
LIST *head, *tmp;
int opencnt, output;
char buf[_POSIX2_LINE_MAX + 1];
for (cnt = 0, head = NULL; (p = *argv); ++argv, ++cnt) {
if ((lp = malloc(sizeof(LIST))) == NULL)
@ -147,7 +146,7 @@ parallel(char **argv)
putchar(ch);
continue;
}
if (!fgets(buf, sizeof(buf), lp->fp)) {
if ((ich = getc(lp->fp)) == EOF) {
if (!--opencnt)
break;
lp->fp = NULL;
@ -156,9 +155,6 @@ parallel(char **argv)
putchar(ch);
continue;
}
if (!(p = index(buf, '\n')))
errx(1, "%s: input line too long", lp->name);
*p = '\0';
/*
* make sure that we don't print any delimiters
* unless there's a non-empty file.
@ -170,7 +166,11 @@ parallel(char **argv)
putchar(ch);
} else if ((ch = delim[(lp->cnt - 1) % delimcnt]))
putchar(ch);
(void)printf("%s", buf);
if (ich == '\n')
continue;
do {
putchar(ich);
} while ((ich = getc(lp->fp)) != EOF && ich != '\n');
}
if (output)
putchar('\n');
@ -183,9 +183,8 @@ int
sequential(char **argv)
{
FILE *fp;
int cnt, failed;
char ch, *p, *dp;
char buf[_POSIX2_LINE_MAX + 1];
int ch, cnt, failed, needdelim;
char *p;
failed = 0;
for (; (p = *argv); ++argv) {
@ -196,23 +195,22 @@ sequential(char **argv)
failed = 1;
continue;
}
if (fgets(buf, sizeof(buf), fp)) {
for (cnt = 0, dp = delim;;) {
if (!(p = index(buf, '\n')))
errx(1, "%s: input line too long", *argv);
*p = '\0';
(void)printf("%s", buf);
if (!fgets(buf, sizeof(buf), fp))
break;
if ((ch = *dp++))
putchar(ch);
if (++cnt == delimcnt) {
dp = delim;
cnt = needdelim = 0;
while ((ch = getc(fp)) != EOF) {
if (needdelim) {
needdelim = 0;
if (delim[cnt] != '\0')
putchar(delim[cnt]);
if (++cnt == delimcnt)
cnt = 0;
}
}
putchar('\n');
if (ch != '\n')
putchar(ch);
else
needdelim = 1;
}
if (needdelim)
putchar('\n');
if (fp != stdin)
(void)fclose(fp);
}