7b99cdb2d7
so I don't read the "then" block as being a sequential statements Change-Id: Ib2004acd3518bd4ebd2246f02a26c2c0a8bbab4c Reviewed-on: https://gerrit.libreoffice.org/82069 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
347 lines
9.9 KiB
C
347 lines
9.9 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
||
/* $XConsortium: include.c,v 1.17 94/12/05 19:33:08 gildea Exp $ */
|
||
/*
|
||
|
||
Copyright (c) 1993, 1994 X Consortium
|
||
|
||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
of this software and associated documentation files (the "Software"), to deal
|
||
in the Software without restriction, including without limitation the rights
|
||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
copies of the Software, and to permit persons to whom the Software is
|
||
furnished to do so, subject to the following conditions:
|
||
|
||
The above copyright notice and this permission notice shall be included in
|
||
all copies or substantial portions of the Software.
|
||
|
||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
||
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
||
Except as contained in this notice, the name of the X Consortium shall not be
|
||
used in advertising or otherwise to promote the sale, use or other dealings
|
||
in this Software without prior written authorization from the X Consortium.
|
||
|
||
*/
|
||
|
||
|
||
#include "def.h"
|
||
#include <string.h>
|
||
#include <assert.h>
|
||
|
||
static void remove_dotdot( char * );
|
||
static int isdot( char const * );
|
||
static int isdotdot( char const * );
|
||
static int issymbolic(char * dir, char * component);
|
||
static int exists_path(struct IncludesCollection*, char*);
|
||
|
||
#ifdef S_IFLNK
|
||
static char *notdotdot[ MAXDIRS ];
|
||
#endif
|
||
|
||
struct inclist *inc_path(char *file, char *include, boolean dot, struct IncludesCollection *incCollection)
|
||
{
|
||
static char path[ BUFSIZ ];
|
||
char **pp, *p;
|
||
struct inclist *ip;
|
||
struct stat st;
|
||
boolean found = FALSE;
|
||
(void)dot;
|
||
|
||
/*
|
||
* Check all previously found include files for a path that
|
||
* has already been expanded.
|
||
*/
|
||
for (ip = inclist; ip->i_file; ip++)
|
||
if (strcmp(ip->i_incstring, include) == 0)
|
||
{
|
||
found = TRUE;
|
||
break;
|
||
}
|
||
|
||
/*
|
||
* If the path was surrounded by "" or is an absolute path,
|
||
* then check the exact path provided.
|
||
*/
|
||
// FIXME: creates duplicates in the dependency files if absolute paths are
|
||
// given, which certainly is not the intended behavior. Also it slows down
|
||
// makedepend performance considerably.
|
||
// if (!found && (dot || *include == '/')) {
|
||
//
|
||
// if ((exists_path(incCollection, include)) && stat(include, &st) == 0 && !( st.st_mode & S_IFDIR)) {
|
||
// ip = newinclude(include, include);
|
||
// found = TRUE;
|
||
// }
|
||
// else if (show_where_not)
|
||
// warning1("\tnot in %s\n", include);
|
||
// }
|
||
|
||
/*
|
||
* See if this include file is in the directory of the
|
||
* file being compiled.
|
||
*/
|
||
if (!found) {
|
||
for (p=file+strlen(file); p>file; p--)
|
||
if (*p == '/')
|
||
break;
|
||
if (p == file)
|
||
{
|
||
if(strlen(include) >= BUFSIZ )
|
||
{
|
||
fatalerr("include filename too long \"%s\"\n", include);
|
||
}
|
||
else
|
||
{
|
||
strcpy(path, include);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
int partial = p - file;
|
||
size_t inc_len = strlen(include);
|
||
if(inc_len + partial >= BUFSIZ )
|
||
{
|
||
fatalerr("include filename too long \"%s\"\n", include);
|
||
}
|
||
else
|
||
{
|
||
memcpy(path, file, partial);
|
||
memcpy(path + partial, include, inc_len);
|
||
path[partial + inc_len] = 0;
|
||
}
|
||
}
|
||
remove_dotdot(path);
|
||
if ((exists_path(incCollection, path)) && stat(path, &st) == 0 && !( st.st_mode & S_IFDIR)) {
|
||
ip = newinclude(path, include);
|
||
found = TRUE;
|
||
}
|
||
else if (show_where_not)
|
||
warning1("\tnot in %s\n", path);
|
||
}
|
||
|
||
/*
|
||
* Check the include directories specified. (standard include dir
|
||
* should be at the end.)
|
||
*/
|
||
if (!found)
|
||
for (pp = includedirs; *pp; pp++) {
|
||
sprintf(path, "%s/%s", *pp, include);
|
||
remove_dotdot(path);
|
||
if ((exists_path(incCollection, path)) && stat(path, &st) == 0 && !(st.st_mode & S_IFDIR)) {
|
||
ip = newinclude(path, include);
|
||
found = TRUE;
|
||
break;
|
||
}
|
||
else if (show_where_not)
|
||
warning1("\tnot in %s\n", path);
|
||
}
|
||
|
||
if (!found)
|
||
ip = NULL;
|
||
return ip;
|
||
}
|
||
|
||
int exists_path(struct IncludesCollection *incCollection, char *path)
|
||
{
|
||
convert_slashes(path);
|
||
return call_IncludesCollection_exists(incCollection, path);
|
||
}
|
||
|
||
/*
|
||
* Occasionally, pathnames are created that look like .../x/../y
|
||
* Any of the 'x/..' sequences within the name can be eliminated.
|
||
* (but only if 'x' is not a symbolic link!!)
|
||
*/
|
||
void remove_dotdot(char *path)
|
||
{
|
||
char *end, *from, *to, **cp;
|
||
char *components[ MAXFILES ],
|
||
newpath[ BUFSIZ ];
|
||
boolean component_copied;
|
||
|
||
/*
|
||
* slice path up into components.
|
||
*/
|
||
to = newpath;
|
||
if (*path == '/')
|
||
*to++ = '/';
|
||
*to = '\0';
|
||
cp = components;
|
||
for (from=end=path; *end; end++)
|
||
if (*end == '/') {
|
||
while (*end == '/')
|
||
*end++ = '\0';
|
||
if (*from)
|
||
*cp++ = from;
|
||
from = end;
|
||
}
|
||
*cp++ = from;
|
||
*cp = NULL;
|
||
|
||
/*
|
||
* Recursively remove all 'x/..' component pairs.
|
||
*/
|
||
cp = components;
|
||
while(*cp) {
|
||
if (!isdot(*cp) && !isdotdot(*cp) && isdotdot(*(cp+1))
|
||
&& !issymbolic(newpath, *cp))
|
||
{
|
||
char **fp = cp + 2;
|
||
char **tp = cp;
|
||
|
||
do {
|
||
*tp++ = *fp; /* move all the pointers down */
|
||
} while (*fp++);
|
||
if (cp != components)
|
||
cp--; /* go back and check for nested ".." */
|
||
} else {
|
||
cp++;
|
||
}
|
||
}
|
||
/*
|
||
* Concatenate the remaining path elements.
|
||
*/
|
||
cp = components;
|
||
component_copied = FALSE;
|
||
while(*cp) {
|
||
if (component_copied)
|
||
*to++ = '/';
|
||
component_copied = TRUE;
|
||
for (from = *cp; *from; )
|
||
*to++ = *from++;
|
||
*to = '\0';
|
||
cp++;
|
||
}
|
||
*to++ = '\0';
|
||
|
||
/*
|
||
* copy the reconstituted path back to our pointer.
|
||
*/
|
||
strcpy(path, newpath);
|
||
}
|
||
|
||
int isdot(char const *p)
|
||
{
|
||
if(p && p[0] == '.' && p[1] == '\0')
|
||
return TRUE;
|
||
return FALSE;
|
||
}
|
||
|
||
int isdotdot(char const *p)
|
||
{
|
||
if(p && p[0] == '.' && p[1] == '.' && p[2] == '\0')
|
||
return TRUE;
|
||
return FALSE;
|
||
}
|
||
|
||
int issymbolic(char *dir, char *component)
|
||
{
|
||
#ifdef S_IFLNK
|
||
struct stat st;
|
||
char buf[ BUFSIZ ], **pp;
|
||
|
||
#if defined __GNUC__ && !defined __clang__
|
||
#pragma GCC diagnostic push
|
||
#pragma GCC diagnostic ignored "-Wformat-truncation"
|
||
// silence "‘snprintf’ output may be truncated before the last format character", from gcc 8.3 to at least 9.2.1
|
||
#endif
|
||
int n = snprintf(buf, BUFSIZ, "%s%s%s", dir, *dir ? "/" : "", component);
|
||
#if defined __GNUC__ && !defined __clang__
|
||
#pragma GCC diagnostic pop
|
||
#endif
|
||
assert(n < BUFSIZ);
|
||
(void) n;
|
||
for (pp=notdotdot; *pp; pp++)
|
||
if (strcmp(*pp, buf) == 0)
|
||
return TRUE;
|
||
if (lstat(buf, &st) == 0
|
||
&& (st.st_mode & S_IFMT) == S_IFLNK) {
|
||
*pp++ = copy(buf);
|
||
if (pp >= ¬dotdot[ MAXDIRS ])
|
||
fatalerr("out of .. dirs, increase MAXDIRS\n");
|
||
return TRUE;
|
||
}
|
||
#else
|
||
(void)dir; (void)component;
|
||
#endif
|
||
return FALSE;
|
||
}
|
||
|
||
/*
|
||
* Add an include file to the list of those included by 'file'.
|
||
*/
|
||
struct inclist *newinclude(char const *newfile, char const *incstring)
|
||
{
|
||
struct inclist *ip;
|
||
|
||
/*
|
||
* First, put this file on the global list of include files.
|
||
*/
|
||
ip = inclistp++;
|
||
if (inclistp == inclist + MAXFILES - 1)
|
||
fatalerr("out of space: increase MAXFILES\n");
|
||
ip->i_file = copy(newfile);
|
||
if (incstring == NULL)
|
||
ip->i_incstring = ip->i_file;
|
||
else
|
||
ip->i_incstring = copy(incstring);
|
||
|
||
return ip;
|
||
}
|
||
|
||
void included_by(struct inclist *ip, struct inclist *newfile)
|
||
{
|
||
int i;
|
||
|
||
if (ip == NULL)
|
||
return;
|
||
/*
|
||
* Put this include file (newfile) on the list of files included
|
||
* by 'file'. If 'file' is NULL, then it is not an include
|
||
* file itself (i.e. was probably mentioned on the command line).
|
||
* If it is already on the list, don't stick it on again.
|
||
*/
|
||
if (ip->i_list == NULL)
|
||
ip->i_list = (struct inclist **)
|
||
malloc(sizeof(struct inclist *) * ++ip->i_listlen);
|
||
else {
|
||
for (i=0; i<ip->i_listlen; i++)
|
||
if (ip->i_list[ i ] == newfile) {
|
||
i = (int)strlen(newfile->i_file);
|
||
if (!(i > 2 &&
|
||
newfile->i_file[i-1] == 'c' &&
|
||
newfile->i_file[i-2] == '.'))
|
||
{
|
||
/* only complain if ip has */
|
||
/* no #include SYMBOL lines */
|
||
/* and is not a .c file */
|
||
if (warn_multiple)
|
||
{
|
||
warning("%s includes %s more than once!\n",
|
||
ip->i_file, newfile->i_file);
|
||
warning1("Already have\n");
|
||
for (i=0; i<ip->i_listlen; i++)
|
||
warning1("\t%s\n", ip->i_list[i]->i_file);
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
ip->i_list = (struct inclist **) realloc(ip->i_list,
|
||
sizeof(struct inclist *) * ++ip->i_listlen);
|
||
}
|
||
ip->i_list[ ip->i_listlen-1 ] = newfile;
|
||
}
|
||
|
||
void inc_clean (void)
|
||
{
|
||
struct inclist *ip;
|
||
|
||
for (ip = inclist; ip < inclistp; ip++) {
|
||
ip->i_marked = FALSE;
|
||
}
|
||
}
|
||
|
||
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|