176 lines
3.6 KiB
C
176 lines
3.6 KiB
C
/*-
|
|
* Copyright (c) 2014 Baptiste Daroussin <bapt@FreeBSD.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer
|
|
* in this position and unchanged.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
|
|
#define _WITH_GETLINE
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
#include <stringlist.h>
|
|
#include <err.h>
|
|
#include <ctype.h>
|
|
|
|
#define C_OPTION 0x1
|
|
|
|
static StringList *includes;
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
|
|
fprintf(stderr, "usage: soelim [-Crtv] [-I dir] [files]\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
static FILE *
|
|
soelim_fopen(const char *name)
|
|
{
|
|
FILE *f;
|
|
char path[MAXPATHLEN];
|
|
size_t i;
|
|
|
|
if (strcmp(name, "-") == 0)
|
|
return (stdin);
|
|
|
|
if ((f = fopen(name, "r")) != NULL)
|
|
return (f);
|
|
|
|
if (*name == '/') {
|
|
warn("can't open '%s'", name);
|
|
return (NULL);
|
|
}
|
|
|
|
for (i = 0; i < includes->sl_cur; i++) {
|
|
snprintf(path, sizeof(path), "%s/%s", includes->sl_str[i],
|
|
name);
|
|
if ((f = fopen(path, "r")) != NULL)
|
|
return (f);
|
|
}
|
|
|
|
warn("can't open '%s'", name);
|
|
|
|
return (f);
|
|
}
|
|
|
|
static int
|
|
soelim_file(FILE *f, int flag)
|
|
{
|
|
char *line = NULL;
|
|
char *walk, *cp;
|
|
size_t linecap = 0;
|
|
ssize_t linelen;
|
|
|
|
if (f == NULL)
|
|
return (1);
|
|
|
|
while ((linelen = getline(&line, &linecap, f)) > 0) {
|
|
if (strncmp(line, ".so", 3) != 0) {
|
|
printf("%s", line);
|
|
continue;
|
|
}
|
|
|
|
walk = line + 3;
|
|
if (!isspace(*walk) && ((flag & C_OPTION) == 0)) {
|
|
printf("%s", line);
|
|
continue;
|
|
}
|
|
|
|
while (isspace(*walk))
|
|
walk++;
|
|
|
|
cp = walk + strlen(walk) - 1;
|
|
while (cp > walk && isspace(*cp)) {
|
|
*cp = 0;
|
|
cp--;
|
|
}
|
|
|
|
if (*walk == '\0') {
|
|
printf("%s", line);
|
|
continue;
|
|
}
|
|
if (soelim_file(soelim_fopen(walk), flag) == 1) {
|
|
free(line);
|
|
return (1);
|
|
}
|
|
}
|
|
|
|
free(line);
|
|
fclose(f);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int ch, i;
|
|
int ret = 0;
|
|
int flags = 0;
|
|
|
|
includes = sl_init();
|
|
if (includes == NULL)
|
|
err(EXIT_FAILURE, "sl_init()");
|
|
|
|
while ((ch = getopt(argc, argv, "CrtvI:")) != -1) {
|
|
switch (ch) {
|
|
case 'C':
|
|
flags |= C_OPTION;
|
|
break;
|
|
case 'r':
|
|
case 'v':
|
|
case 't':
|
|
/* stub compatibility with groff's soelim */
|
|
break;
|
|
case 'I':
|
|
sl_add(includes, optarg);
|
|
break;
|
|
default:
|
|
sl_free(includes, 0);
|
|
usage();
|
|
}
|
|
}
|
|
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc == 0)
|
|
ret = soelim_file(stdin, flags);
|
|
|
|
for (i = 0; i < argc; i++)
|
|
ret = soelim_file(soelim_fopen(argv[i]), flags);
|
|
|
|
sl_free(includes, 0);
|
|
|
|
return (ret);
|
|
}
|