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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#include <sys/file.h>
#include <fcntl.h>
#include <errno.h>
extern char *optarg;
/*
* FUNCTION:
* static char *_file_getline(FILE *fp)
* INPUT:
* FILE *fp - file pointer to read from
* OUTPUT:
* char *(return) - an entry from the stream
* DESCRIPTION:
* This routine will read in a line at a time. If the line ends in a
* newline, it returns. If the line ends in a backslash newline, it
* continues reading more. It will ignore lines that start in # or
* blank lines.
*/
static char *
_file_getline(FILE *fp)
{
char entry[BUFSIZ], *tmp;
int size;
size = sizeof (entry);
tmp = entry;
/* find an entry */
while (fgets(tmp, size, fp)) {
if ((tmp == entry) && ((*tmp == '#') || (*tmp == '\n'))) {
continue;
} else {
if ((*tmp == '#') || (*tmp == '\n')) {
*tmp = '\0';
break;
}
size -= strlen(tmp);
tmp += strlen(tmp);
if (*(tmp-2) != '\\')
break;
size -= 2;
tmp -= 2;
}
}
if (tmp == entry)
return (NULL);
else
return (strdup(entry));
}
int
main(int ac, char *av[])
{
int c;
char file[80], ofile[80];
char *cp;
FILE *fp, *fp2;
(void) setlocale(LC_ALL, "");
#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif
(void) textdomain(TEXT_DOMAIN);
while ((c = getopt(ac, av, "f:o:")) != EOF)
switch (c) {
case 'f':
(void) strlcpy(file, optarg, sizeof (file));
break;
case 'o':
(void) strlcpy(ofile, optarg, sizeof (ofile));
break;
default:
(void) fprintf(stderr, gettext(
"Usage: %s [-f file] [-o output file]\n"),
av[0]);
return (1);
}
if ((fp = fopen(file, "r")) != NULL) {
int fd;
fd = open(ofile, O_RDWR|O_APPEND);
if ((fd < 0) && (errno == ENOENT))
fd = open(ofile, O_RDWR|O_CREAT|O_EXCL, 0644);
if (fd < 0) {
(void) fprintf(stderr,
gettext("Error trying to open file.\n"));
return (1);
}
lseek(fd, 0, SEEK_END);
if ((fp2 = fdopen(fd, "a")) != NULL) {
while ((cp = _file_getline(fp)) != NULL) {
(void) fprintf(fp2, "%s", cp);
}
return (0);
} else {
(void) fprintf(stderr,
gettext("Error trying to open file.\n"));
return (1);
}
} else {
(void) fprintf(stderr,
gettext("Error trying to open file.\n"));
return (1);
}
}
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