2012-05-03 20:22:19 +00:00
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/*
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* fragment.c
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* Management of fragment lists.
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*
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2013-12-27 11:41:23 +00:00
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* Copyright (c) 2012, 2013, 2014 pkgconf authors (see AUTHORS).
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2012-05-03 20:22:19 +00:00
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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2012-07-20 19:29:58 +00:00
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* This software is provided 'as is' and without any warranty, express or
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* implied. In no event shall the authors be liable for any damages arising
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* from the use of this software.
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2012-05-03 20:22:19 +00:00
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*/
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2015-09-06 14:35:08 +00:00
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#include <libpkgconf/libpkgconf.h>
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2012-05-03 20:22:19 +00:00
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2016-12-16 00:27:57 +00:00
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/*
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* !doc
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*
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* libpkgconf `fragment` module
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* ============================
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*
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* The `fragment` module provides low-level management and rendering of fragment lists. A
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* `fragment list` contains various `fragments` of text (such as ``-I /usr/include``) in a matter
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* which is composable, mergeable and reorderable.
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*/
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2016-05-19 22:05:04 +00:00
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struct pkgconf_fragment_check {
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char *token;
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size_t len;
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};
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static inline bool
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pkgconf_fragment_is_unmergeable(const char *string)
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{
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static struct pkgconf_fragment_check check_fragments[] = {
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{"-framework", 10},
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{"-isystem", 8},
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2016-12-30 08:47:42 +00:00
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{"-idirafter", 10},
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2017-05-10 00:30:02 +00:00
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{"-pthread", 8},
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2017-05-10 00:34:01 +00:00
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{"-Wa,", 4},
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2017-05-10 00:30:02 +00:00
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{"-Wl,", 4},
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2017-05-10 00:34:01 +00:00
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{"-Wp,", 4},
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{"-trigraphs", 10},
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{"-pedantic", 9},
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{"-ansi", 5},
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{"-std=", 5},
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{"-stdlib=", 8},
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2017-05-10 00:37:23 +00:00
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{"-include", 8},
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2017-05-10 00:38:57 +00:00
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{"-nostdinc", 9},
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{"-nostdlibinc", 12},
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{"-nobuiltininc", 13},
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2016-05-19 22:05:04 +00:00
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};
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if (*string != '-')
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return true;
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for (size_t i = 0; i < PKGCONF_ARRAY_SIZE(check_fragments); i++)
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if (!strncmp(string, check_fragments[i].token, check_fragments[i].len))
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return true;
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2017-01-07 21:04:34 +00:00
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/* only one pair of {-flag, arg} may be merged together */
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if (strchr(string, ' ') != NULL)
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return false;
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2016-05-19 22:05:04 +00:00
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return false;
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}
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2016-08-24 23:39:42 +00:00
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static inline bool
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pkgconf_fragment_should_munge(const char *string, const char *sysroot_dir)
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{
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if (*string != '/')
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return false;
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if (sysroot_dir != NULL && strncmp(sysroot_dir, string, strlen(sysroot_dir)))
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return true;
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return false;
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}
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2016-05-19 22:05:04 +00:00
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static inline bool
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pkgconf_fragment_is_special(const char *string)
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{
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if (*string != '-')
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return true;
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if (!strncmp(string, "-lib:", 5))
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return true;
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return pkgconf_fragment_is_unmergeable(string);
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}
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2016-08-24 23:51:02 +00:00
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static inline void
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2016-12-01 21:05:03 +00:00
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pkgconf_fragment_munge(const pkgconf_client_t *client, char *buf, size_t buflen, const char *source, const char *sysroot_dir)
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2016-08-24 23:51:02 +00:00
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{
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*buf = '\0';
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if (sysroot_dir == NULL)
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2016-12-01 21:05:03 +00:00
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sysroot_dir = pkgconf_tuple_find_global(client, "pc_sysrootdir");
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2016-08-24 23:51:02 +00:00
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2017-01-14 01:55:54 +00:00
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if (sysroot_dir != NULL && pkgconf_fragment_should_munge(source, sysroot_dir))
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2016-12-10 22:19:40 +00:00
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pkgconf_strlcat(buf, sysroot_dir, buflen);
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2016-08-24 23:51:02 +00:00
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2016-12-10 22:19:40 +00:00
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pkgconf_strlcat(buf, source, buflen);
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2017-01-14 02:06:48 +00:00
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2017-02-03 19:17:21 +00:00
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if (*buf == '/' && !(client->flags & PKGCONF_PKG_PKGF_DONT_RELOCATE_PATHS))
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2017-01-14 02:06:48 +00:00
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pkgconf_path_relocate(buf, buflen);
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2016-08-24 23:51:02 +00:00
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}
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2014-07-09 06:23:51 +00:00
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static inline char *
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2016-12-10 03:36:59 +00:00
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pkgconf_fragment_copy_munged(const pkgconf_client_t *client, const char *source)
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2014-07-09 06:23:51 +00:00
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{
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2015-09-06 16:29:56 +00:00
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char mungebuf[PKGCONF_BUFSIZE];
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2016-12-10 03:36:59 +00:00
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pkgconf_fragment_munge(client, mungebuf, sizeof mungebuf, source, client->sysroot_dir);
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2014-07-09 06:23:51 +00:00
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return strdup(mungebuf);
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}
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2016-12-16 00:27:57 +00:00
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/*
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* !doc
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*
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* .. c:function:: void pkgconf_fragment_add(const pkgconf_client_t *client, pkgconf_list_t *list, const char *string)
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*
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* Adds a `fragment` of text to a `fragment list`, possibly modifying the fragment if a sysroot is set.
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*
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* :param pkgconf_client_t* client: The pkgconf client being accessed.
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* :param pkgconf_list_t* list: The fragment list.
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* :param char* string: The string of text to add as a fragment to the fragment list.
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* :return: nothing
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*/
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2013-03-01 17:10:43 +00:00
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void
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2016-12-10 03:36:59 +00:00
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pkgconf_fragment_add(const pkgconf_client_t *client, pkgconf_list_t *list, const char *string)
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2012-05-03 20:22:19 +00:00
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{
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2015-09-06 15:44:10 +00:00
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pkgconf_fragment_t *frag;
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2012-05-03 20:22:19 +00:00
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2016-10-25 18:57:42 +00:00
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if (*string == '\0')
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return;
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2016-05-19 22:05:04 +00:00
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if (!pkgconf_fragment_is_special(string))
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2012-05-03 20:22:19 +00:00
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{
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2015-09-06 15:44:10 +00:00
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frag = calloc(sizeof(pkgconf_fragment_t), 1);
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2013-12-27 11:37:24 +00:00
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2012-05-03 20:22:19 +00:00
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frag->type = *(string + 1);
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2016-12-10 03:36:59 +00:00
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frag->data = pkgconf_fragment_copy_munged(client, string + 2);
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2017-02-25 21:53:50 +00:00
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PKGCONF_TRACE(client, "added fragment {%c, '%s'} to list @%p", frag->type, frag->data, list);
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2012-05-03 20:22:19 +00:00
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}
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else
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{
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2016-08-24 23:51:02 +00:00
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char mungebuf[PKGCONF_BUFSIZE];
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2013-12-27 11:37:24 +00:00
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if (list->tail != NULL && list->tail->data != NULL)
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{
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2015-09-06 15:44:10 +00:00
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pkgconf_fragment_t *parent = list->tail->data;
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2013-12-27 11:37:24 +00:00
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2017-01-07 21:04:34 +00:00
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/* only attempt to merge 'special' fragments together */
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if (!parent->type && pkgconf_fragment_is_unmergeable(parent->data))
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2013-12-27 11:37:24 +00:00
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{
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2016-08-24 23:51:02 +00:00
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size_t len;
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2013-12-27 11:37:24 +00:00
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char *newdata;
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2016-12-01 21:05:03 +00:00
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pkgconf_fragment_munge(client, mungebuf, sizeof mungebuf, string, NULL);
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2016-08-24 23:51:02 +00:00
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len = strlen(parent->data) + strlen(mungebuf) + 2;
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2013-12-27 11:37:24 +00:00
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newdata = malloc(len);
|
2016-08-24 23:51:02 +00:00
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2016-12-10 22:19:40 +00:00
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pkgconf_strlcpy(newdata, parent->data, len);
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pkgconf_strlcat(newdata, " ", len);
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pkgconf_strlcat(newdata, mungebuf, len);
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2013-12-27 11:37:24 +00:00
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2017-02-25 21:53:50 +00:00
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PKGCONF_TRACE(client, "merging '%s' to '%s' to form fragment {'%s'} in list @%p", mungebuf, parent->data, newdata, list);
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|
2013-12-27 11:37:24 +00:00
|
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free(parent->data);
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parent->data = newdata;
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|
2017-01-07 21:04:34 +00:00
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/* use a copy operation to force a dedup */
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pkgconf_node_delete(&parent->iter, list);
|
2017-01-20 00:23:25 +00:00
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pkgconf_fragment_copy(client, list, parent, false);
|
2017-01-07 21:04:34 +00:00
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/* the fragment list now (maybe) has the copied node, so free the original */
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free(parent->data);
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free(parent);
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|
2013-12-27 11:37:24 +00:00
|
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return;
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}
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}
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|
2015-09-06 15:44:10 +00:00
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frag = calloc(sizeof(pkgconf_fragment_t), 1);
|
2013-12-27 11:37:24 +00:00
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|
2012-05-03 20:22:19 +00:00
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frag->type = 0;
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frag->data = strdup(string);
|
2017-02-25 21:53:50 +00:00
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PKGCONF_TRACE(client, "created special fragment {'%s'} in list @%p", frag->data, list);
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2012-05-03 20:22:19 +00:00
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}
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|
2015-09-06 15:31:21 +00:00
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pkgconf_node_insert_tail(&frag->iter, frag, list);
|
2012-05-03 20:22:19 +00:00
|
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}
|
2012-05-03 20:27:19 +00:00
|
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|
2015-09-06 15:44:10 +00:00
|
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static inline pkgconf_fragment_t *
|
2016-12-10 04:06:42 +00:00
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pkgconf_fragment_lookup(pkgconf_list_t *list, const pkgconf_fragment_t *base)
|
2012-05-03 20:43:09 +00:00
|
|
|
{
|
2015-09-06 15:31:21 +00:00
|
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pkgconf_node_t *node;
|
2012-05-03 20:43:09 +00:00
|
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|
2015-09-06 15:31:21 +00:00
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PKGCONF_FOREACH_LIST_ENTRY_REVERSE(list->tail, node)
|
2012-05-03 20:43:09 +00:00
|
|
|
{
|
2015-09-06 15:44:10 +00:00
|
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pkgconf_fragment_t *frag = node->data;
|
2013-03-01 17:10:43 +00:00
|
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|
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|
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if (base->type != frag->type)
|
2012-05-03 20:43:09 +00:00
|
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continue;
|
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|
2013-03-01 17:10:43 +00:00
|
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if (!strcmp(base->data, frag->data))
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return frag;
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2012-05-03 20:43:09 +00:00
|
|
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}
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|
2012-08-09 22:06:09 +00:00
|
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return NULL;
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}
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|
2013-03-15 22:29:07 +00:00
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static inline bool
|
2016-12-10 04:06:42 +00:00
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pkgconf_fragment_can_merge_back(const pkgconf_fragment_t *base, unsigned int flags, bool is_private)
|
2013-03-15 22:29:07 +00:00
|
|
|
{
|
2015-05-22 04:06:38 +00:00
|
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(void) flags;
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|
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if (base->type == 'l')
|
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|
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{
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|
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if (is_private)
|
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|
return false;
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|
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|
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return true;
|
|
|
|
}
|
2013-08-23 03:44:33 +00:00
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|
2013-03-15 22:29:07 +00:00
|
|
|
if (base->type == 'F')
|
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return false;
|
2015-07-19 20:49:36 +00:00
|
|
|
if (base->type == 'L')
|
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|
|
return false;
|
2015-07-19 21:00:35 +00:00
|
|
|
if (base->type == 'I')
|
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|
|
return false;
|
2013-03-15 22:29:07 +00:00
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline bool
|
2016-12-10 04:06:42 +00:00
|
|
|
pkgconf_fragment_can_merge(const pkgconf_fragment_t *base, unsigned int flags, bool is_private)
|
2013-03-15 22:29:07 +00:00
|
|
|
{
|
2013-08-23 03:44:33 +00:00
|
|
|
(void) flags;
|
|
|
|
|
2015-05-22 04:06:38 +00:00
|
|
|
if (is_private)
|
|
|
|
return false;
|
|
|
|
|
2016-05-19 22:05:04 +00:00
|
|
|
return pkgconf_fragment_is_unmergeable(base->data);
|
2013-03-15 22:29:07 +00:00
|
|
|
}
|
|
|
|
|
2015-09-06 15:44:10 +00:00
|
|
|
static inline pkgconf_fragment_t *
|
2016-12-10 04:06:42 +00:00
|
|
|
pkgconf_fragment_exists(pkgconf_list_t *list, const pkgconf_fragment_t *base, unsigned int flags, bool is_private)
|
2012-08-09 22:06:09 +00:00
|
|
|
{
|
2015-09-06 15:44:10 +00:00
|
|
|
if (!pkgconf_fragment_can_merge_back(base, flags, is_private))
|
2013-03-15 22:29:07 +00:00
|
|
|
return NULL;
|
|
|
|
|
2015-09-06 15:44:10 +00:00
|
|
|
if (!pkgconf_fragment_can_merge(base, flags, is_private))
|
2013-03-15 22:29:07 +00:00
|
|
|
return NULL;
|
|
|
|
|
2015-09-06 15:44:10 +00:00
|
|
|
return pkgconf_fragment_lookup(list, base);
|
2012-05-03 20:43:09 +00:00
|
|
|
}
|
|
|
|
|
2016-12-30 18:39:10 +00:00
|
|
|
static inline bool
|
|
|
|
pkgconf_fragment_should_merge(const pkgconf_fragment_t *base)
|
|
|
|
{
|
|
|
|
const pkgconf_fragment_t *parent;
|
|
|
|
|
|
|
|
/* if we are the first fragment, that means the next fragment is the same, so it's always safe. */
|
|
|
|
if (base->iter.prev == NULL)
|
|
|
|
return true;
|
|
|
|
|
|
|
|
/* this really shouldn't ever happen, but handle it */
|
|
|
|
parent = base->iter.prev->data;
|
|
|
|
if (parent == NULL)
|
|
|
|
return true;
|
|
|
|
|
|
|
|
switch (parent->type)
|
|
|
|
{
|
|
|
|
case 'l':
|
|
|
|
case 'L':
|
|
|
|
case 'I':
|
|
|
|
return true;
|
|
|
|
default:
|
2017-01-07 21:04:34 +00:00
|
|
|
return !base->type || parent->type == base->type;
|
2016-12-30 18:39:10 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-12-22 02:06:17 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
|
|
|
* .. c:function:: bool pkgconf_fragment_has_system_dir(const pkgconf_client_t *client, const pkgconf_fragment_t *frag)
|
|
|
|
*
|
|
|
|
* Checks if a `fragment` contains a `system path`. System paths are detected at compile time and optionally overridden by
|
|
|
|
* the ``PKG_CONFIG_SYSTEM_INCLUDE_PATH`` and ``PKG_CONFIG_SYSTEM_LIBRARY_PATH`` environment variables.
|
|
|
|
*
|
|
|
|
* :param pkgconf_client_t* client: The pkgconf client object the fragment belongs to.
|
|
|
|
* :param pkgconf_fragment_t* frag: The fragment being checked.
|
|
|
|
* :return: true if the fragment contains a system path, else false
|
|
|
|
* :rtype: bool
|
|
|
|
*/
|
|
|
|
bool
|
|
|
|
pkgconf_fragment_has_system_dir(const pkgconf_client_t *client, const pkgconf_fragment_t *frag)
|
|
|
|
{
|
|
|
|
const pkgconf_list_t *check_paths = NULL;
|
|
|
|
|
|
|
|
switch (frag->type)
|
|
|
|
{
|
|
|
|
case 'L':
|
|
|
|
check_paths = &client->filter_libdirs;
|
|
|
|
break;
|
|
|
|
case 'I':
|
|
|
|
check_paths = &client->filter_includedirs;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
return pkgconf_path_match_list(frag->data, check_paths);
|
|
|
|
}
|
|
|
|
|
2016-12-16 00:27:57 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
2017-01-20 00:23:25 +00:00
|
|
|
* .. c:function:: void pkgconf_fragment_copy(const pkgconf_client_t *client, pkgconf_list_t *list, const pkgconf_fragment_t *base, bool is_private)
|
2016-12-16 00:27:57 +00:00
|
|
|
*
|
|
|
|
* Copies a `fragment` to another `fragment list`, possibly removing a previous copy of the `fragment`
|
|
|
|
* in a process known as `mergeback`.
|
|
|
|
*
|
2017-01-20 00:23:25 +00:00
|
|
|
* :param pkgconf_client_t* client: The pkgconf client being accessed.
|
2016-12-16 00:27:57 +00:00
|
|
|
* :param pkgconf_list_t* list: The list the fragment is being added to.
|
|
|
|
* :param pkgconf_fragment_t* base: The fragment being copied.
|
|
|
|
* :param bool is_private: Whether the fragment list is a `private` fragment list (static linking).
|
|
|
|
* :return: nothing
|
|
|
|
*/
|
2013-03-01 17:10:43 +00:00
|
|
|
void
|
2017-01-20 00:23:25 +00:00
|
|
|
pkgconf_fragment_copy(const pkgconf_client_t *client, pkgconf_list_t *list, const pkgconf_fragment_t *base, bool is_private)
|
2012-05-03 20:31:33 +00:00
|
|
|
{
|
2015-09-06 15:44:10 +00:00
|
|
|
pkgconf_fragment_t *frag;
|
2012-05-03 20:31:33 +00:00
|
|
|
|
2017-01-20 00:23:25 +00:00
|
|
|
if ((frag = pkgconf_fragment_exists(list, base, client->flags, is_private)) != NULL)
|
2016-12-30 18:39:10 +00:00
|
|
|
{
|
|
|
|
if (pkgconf_fragment_should_merge(frag))
|
|
|
|
pkgconf_fragment_delete(list, frag);
|
|
|
|
}
|
2017-01-20 00:23:25 +00:00
|
|
|
else if (!is_private && !pkgconf_fragment_can_merge_back(base, client->flags, is_private) && (pkgconf_fragment_lookup(list, base) != NULL))
|
2013-03-15 22:29:07 +00:00
|
|
|
return;
|
2012-05-03 20:43:09 +00:00
|
|
|
|
2015-09-06 15:44:10 +00:00
|
|
|
frag = calloc(sizeof(pkgconf_fragment_t), 1);
|
2012-05-03 20:31:33 +00:00
|
|
|
|
|
|
|
frag->type = base->type;
|
|
|
|
frag->data = strdup(base->data);
|
|
|
|
|
2015-09-06 15:31:21 +00:00
|
|
|
pkgconf_node_insert_tail(&frag->iter, frag, list);
|
2012-05-03 20:31:33 +00:00
|
|
|
}
|
|
|
|
|
2016-12-16 00:27:57 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
2017-01-20 00:23:25 +00:00
|
|
|
* .. c:function:: void pkgconf_fragment_filter(const pkgconf_client_t *client, pkgconf_list_t *dest, pkgconf_list_t *src, pkgconf_fragment_filter_func_t filter_func)
|
2016-12-16 00:27:57 +00:00
|
|
|
*
|
|
|
|
* Copies a `fragment list` to another `fragment list` which match a user-specified filtering function.
|
|
|
|
*
|
|
|
|
* :param pkgconf_client_t* client: The pkgconf client being accessed.
|
|
|
|
* :param pkgconf_list_t* dest: The destination list.
|
|
|
|
* :param pkgconf_list_t* src: The source list.
|
|
|
|
* :param pkgconf_fragment_filter_func_t filter_func: The filter function to use.
|
2017-01-19 02:25:19 +00:00
|
|
|
* :param void* data: Optional data to pass to the filter function.
|
2016-12-16 00:27:57 +00:00
|
|
|
* :return: nothing
|
|
|
|
*/
|
2016-12-10 04:18:59 +00:00
|
|
|
void
|
2017-01-20 00:23:25 +00:00
|
|
|
pkgconf_fragment_filter(const pkgconf_client_t *client, pkgconf_list_t *dest, pkgconf_list_t *src, pkgconf_fragment_filter_func_t filter_func, void *data)
|
2016-12-10 04:18:59 +00:00
|
|
|
{
|
|
|
|
pkgconf_node_t *node;
|
|
|
|
|
|
|
|
PKGCONF_FOREACH_LIST_ENTRY(src->head, node)
|
|
|
|
{
|
|
|
|
pkgconf_fragment_t *frag = node->data;
|
|
|
|
|
2017-01-20 00:23:25 +00:00
|
|
|
if (filter_func(client, frag, data))
|
|
|
|
pkgconf_fragment_copy(client, dest, frag, true);
|
2016-12-10 04:18:59 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-02-25 21:32:49 +00:00
|
|
|
static inline char *
|
|
|
|
fragment_escape(const char *src)
|
|
|
|
{
|
|
|
|
ssize_t outlen = strlen(src) + 10;
|
|
|
|
char *out = calloc(outlen, 1);
|
|
|
|
char *dst = out;
|
|
|
|
|
|
|
|
while (*src)
|
|
|
|
{
|
2017-03-29 23:00:57 +00:00
|
|
|
if (((*src < ' ') ||
|
2017-02-25 21:32:49 +00:00
|
|
|
(*src > ' ' && *src < '$') ||
|
|
|
|
(*src > '$' && *src < '(') ||
|
|
|
|
(*src > ')' && *src < '+') ||
|
|
|
|
(*src > ':' && *src < '=') ||
|
|
|
|
(*src > '=' && *src < '@') ||
|
|
|
|
(*src > 'Z' && *src < '^') ||
|
|
|
|
(*src == '`') ||
|
|
|
|
(*src > 'z' && *src < '~') ||
|
2017-03-29 23:00:57 +00:00
|
|
|
(*src > '~')) && *src != '\\')
|
2017-02-25 21:32:49 +00:00
|
|
|
*dst++ = '\\';
|
|
|
|
|
|
|
|
*dst++ = *src++;
|
|
|
|
|
|
|
|
if ((ptrdiff_t)(dst - out) + 2 > outlen)
|
|
|
|
{
|
|
|
|
outlen *= 2;
|
|
|
|
out = realloc(out, outlen);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
*dst = 0;
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
2016-12-16 00:32:43 +00:00
|
|
|
static inline size_t
|
2017-02-25 21:32:49 +00:00
|
|
|
pkgconf_fragment_len(const pkgconf_fragment_t *frag, bool escape)
|
2016-12-16 00:32:43 +00:00
|
|
|
{
|
|
|
|
size_t len = 1;
|
|
|
|
|
|
|
|
if (frag->type)
|
|
|
|
len += 2;
|
|
|
|
|
|
|
|
if (frag->data != NULL)
|
2017-02-25 21:32:49 +00:00
|
|
|
{
|
|
|
|
if (!escape)
|
|
|
|
len += strlen(frag->data);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
char *tmp = fragment_escape(frag->data);
|
|
|
|
len += strlen(tmp);
|
|
|
|
free(tmp);
|
|
|
|
}
|
|
|
|
}
|
2016-12-16 00:32:43 +00:00
|
|
|
|
|
|
|
return len;
|
|
|
|
}
|
|
|
|
|
2016-12-16 00:27:57 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
|
|
|
* .. c:function:: size_t pkgconf_fragment_render_len(const pkgconf_list_t *list)
|
|
|
|
*
|
|
|
|
* Calculates the required memory to store a `fragment list` when rendered as a string.
|
|
|
|
*
|
|
|
|
* :param pkgconf_list_t* list: The `fragment list` being rendered.
|
2017-02-25 21:32:49 +00:00
|
|
|
* :param bool escape: Whether or not to escape special shell characters.
|
2016-12-16 00:27:57 +00:00
|
|
|
* :return: the amount of bytes required to represent the `fragment list` when rendered
|
|
|
|
* :rtype: size_t
|
|
|
|
*/
|
2016-12-10 05:07:15 +00:00
|
|
|
size_t
|
2017-02-25 21:32:49 +00:00
|
|
|
pkgconf_fragment_render_len(const pkgconf_list_t *list, bool escape)
|
2016-12-10 05:07:15 +00:00
|
|
|
{
|
2016-12-10 21:47:21 +00:00
|
|
|
size_t out = 1; /* trailing nul */
|
2016-12-10 05:07:15 +00:00
|
|
|
pkgconf_node_t *node;
|
|
|
|
|
|
|
|
PKGCONF_FOREACH_LIST_ENTRY(list->head, node)
|
|
|
|
{
|
|
|
|
const pkgconf_fragment_t *frag = node->data;
|
2017-02-25 21:32:49 +00:00
|
|
|
out += pkgconf_fragment_len(frag, escape);
|
2016-12-10 05:07:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
2016-12-16 00:27:57 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
|
|
|
* .. c:function:: void pkgconf_fragment_render_buf(const pkgconf_list_t *list, char *buf, size_t buflen)
|
|
|
|
*
|
|
|
|
* Renders a `fragment list` into a buffer.
|
|
|
|
*
|
|
|
|
* :param pkgconf_list_t* list: The `fragment list` being rendered.
|
|
|
|
* :param char* buf: The buffer to render the fragment list into.
|
|
|
|
* :param size_t buflen: The length of the buffer.
|
2017-02-25 21:32:49 +00:00
|
|
|
* :param bool escape: Whether or not to escape special shell characters.
|
2016-12-16 00:27:57 +00:00
|
|
|
* :return: nothing
|
|
|
|
*/
|
2016-12-10 05:07:15 +00:00
|
|
|
void
|
2017-02-25 21:32:49 +00:00
|
|
|
pkgconf_fragment_render_buf(const pkgconf_list_t *list, char *buf, size_t buflen, bool escape)
|
2016-12-10 05:07:15 +00:00
|
|
|
{
|
|
|
|
pkgconf_node_t *node;
|
|
|
|
char *bptr = buf;
|
|
|
|
|
|
|
|
memset(buf, 0, buflen);
|
|
|
|
|
|
|
|
PKGCONF_FOREACH_LIST_ENTRY(list->head, node)
|
|
|
|
{
|
|
|
|
const pkgconf_fragment_t *frag = node->data;
|
2016-12-16 00:32:43 +00:00
|
|
|
size_t buf_remaining = buflen - (bptr - buf);
|
|
|
|
|
2017-02-25 21:32:49 +00:00
|
|
|
if (pkgconf_fragment_len(frag, escape) > buf_remaining)
|
2016-12-16 00:32:43 +00:00
|
|
|
break;
|
2016-12-10 05:07:15 +00:00
|
|
|
|
|
|
|
if (frag->type)
|
|
|
|
{
|
|
|
|
*bptr++ = '-';
|
|
|
|
*bptr++ = frag->type;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (frag->data)
|
2017-02-25 21:32:49 +00:00
|
|
|
{
|
|
|
|
if (!escape)
|
|
|
|
bptr += pkgconf_strlcpy(bptr, frag->data, buf_remaining);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
char *tmp = fragment_escape(frag->data);
|
|
|
|
bptr += pkgconf_strlcpy(bptr, tmp, buf_remaining);
|
|
|
|
free(tmp);
|
|
|
|
}
|
|
|
|
}
|
2016-12-10 05:07:15 +00:00
|
|
|
|
|
|
|
*bptr++ = ' ';
|
|
|
|
}
|
|
|
|
|
|
|
|
*bptr = '\0';
|
|
|
|
}
|
|
|
|
|
2016-12-16 00:27:57 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
|
|
|
* .. c:function:: char *pkgconf_fragment_render(const pkgconf_list_t *list)
|
|
|
|
*
|
|
|
|
* Allocate memory and render a `fragment list` into it.
|
|
|
|
*
|
|
|
|
* :param pkgconf_list_t* list: The `fragment list` being rendered.
|
2017-02-25 21:32:49 +00:00
|
|
|
* :param bool escape: Whether or not to escape special shell characters.
|
2016-12-16 00:27:57 +00:00
|
|
|
* :return: An allocated string containing the rendered `fragment list`.
|
|
|
|
* :rtype: char *
|
|
|
|
*/
|
2016-12-10 05:07:15 +00:00
|
|
|
char *
|
2017-02-25 21:32:49 +00:00
|
|
|
pkgconf_fragment_render(const pkgconf_list_t *list, bool escape)
|
2016-12-10 05:07:15 +00:00
|
|
|
{
|
2017-02-25 21:32:49 +00:00
|
|
|
size_t buflen = pkgconf_fragment_render_len(list, escape);
|
2016-12-10 05:07:15 +00:00
|
|
|
char *buf = calloc(1, buflen);
|
|
|
|
|
2017-02-25 21:32:49 +00:00
|
|
|
pkgconf_fragment_render_buf(list, buf, buflen, escape);
|
2016-12-10 05:07:15 +00:00
|
|
|
|
|
|
|
return buf;
|
|
|
|
}
|
|
|
|
|
2016-12-16 00:27:57 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
|
|
|
* .. c:function:: void pkgconf_fragment_delete(pkgconf_list_t *list, pkgconf_fragment_t *node)
|
|
|
|
*
|
|
|
|
* Delete a `fragment node` from a `fragment list`.
|
|
|
|
*
|
|
|
|
* :param pkgconf_list_t* list: The `fragment list` to delete from.
|
|
|
|
* :param pkgconf_fragment_t* node: The `fragment node` to delete.
|
|
|
|
* :return: nothing
|
|
|
|
*/
|
2012-05-03 20:27:19 +00:00
|
|
|
void
|
2015-09-06 15:44:10 +00:00
|
|
|
pkgconf_fragment_delete(pkgconf_list_t *list, pkgconf_fragment_t *node)
|
2012-05-03 20:27:19 +00:00
|
|
|
{
|
2015-09-06 15:31:21 +00:00
|
|
|
pkgconf_node_delete(&node->iter, list);
|
2012-05-03 20:27:19 +00:00
|
|
|
|
|
|
|
free(node->data);
|
|
|
|
free(node);
|
|
|
|
}
|
2012-05-07 01:26:09 +00:00
|
|
|
|
2016-12-16 00:27:57 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
|
|
|
* .. c:function:: void pkgconf_fragment_free(pkgconf_list_t *list)
|
|
|
|
*
|
|
|
|
* Delete an entire `fragment list`.
|
|
|
|
*
|
|
|
|
* :param pkgconf_list_t* list: The `fragment list` to delete.
|
|
|
|
* :return: nothing
|
|
|
|
*/
|
2012-05-07 01:26:09 +00:00
|
|
|
void
|
2015-09-06 15:44:10 +00:00
|
|
|
pkgconf_fragment_free(pkgconf_list_t *list)
|
2012-05-07 01:26:09 +00:00
|
|
|
{
|
2015-09-06 15:31:21 +00:00
|
|
|
pkgconf_node_t *node, *next;
|
2012-05-07 01:26:09 +00:00
|
|
|
|
2015-09-06 15:31:21 +00:00
|
|
|
PKGCONF_FOREACH_LIST_ENTRY_SAFE(list->head, next, node)
|
2013-03-01 17:10:43 +00:00
|
|
|
{
|
2015-09-06 15:44:10 +00:00
|
|
|
pkgconf_fragment_t *frag = node->data;
|
2013-03-01 17:10:43 +00:00
|
|
|
|
|
|
|
free(frag->data);
|
|
|
|
free(frag);
|
|
|
|
}
|
2012-05-07 01:26:09 +00:00
|
|
|
}
|
2012-05-07 03:29:59 +00:00
|
|
|
|
2016-12-16 00:27:57 +00:00
|
|
|
/*
|
|
|
|
* !doc
|
|
|
|
*
|
|
|
|
* .. c:function:: void pkgconf_fragment_parse(const pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_list_t *vars, const char *value)
|
|
|
|
*
|
|
|
|
* Parse a string into a `fragment list`.
|
|
|
|
*
|
|
|
|
* :param pkgconf_client_t* client: The pkgconf client being accessed.
|
|
|
|
* :param pkgconf_list_t* list: The `fragment list` to add the fragment entries to.
|
|
|
|
* :param pkgconf_list_t* vars: A list of variables to use for variable substitution.
|
|
|
|
* :param char* value: The string to parse into fragments.
|
|
|
|
* :return: nothing
|
|
|
|
*/
|
2013-03-01 17:10:43 +00:00
|
|
|
void
|
2016-12-10 03:36:59 +00:00
|
|
|
pkgconf_fragment_parse(const pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_list_t *vars, const char *value)
|
2012-05-07 03:29:59 +00:00
|
|
|
{
|
2017-09-20 02:34:24 +00:00
|
|
|
int i, ret, argc;
|
2012-05-07 03:29:59 +00:00
|
|
|
char **argv;
|
2016-12-01 21:05:03 +00:00
|
|
|
char *repstr = pkgconf_tuple_parse(client, vars, value);
|
2012-05-07 03:29:59 +00:00
|
|
|
|
2017-09-20 02:34:24 +00:00
|
|
|
ret = pkgconf_argv_split(repstr, &argc, &argv);
|
|
|
|
if (ret < 0)
|
|
|
|
{
|
|
|
|
PKGCONF_TRACE(client, "unable to parse fragment string [%s]", repstr);
|
|
|
|
free(repstr);
|
|
|
|
return;
|
|
|
|
}
|
2012-05-07 03:29:59 +00:00
|
|
|
|
2017-09-20 02:08:18 +00:00
|
|
|
for (i = 0; i < argc && argv[i] != NULL; i++)
|
2016-12-10 03:36:59 +00:00
|
|
|
pkgconf_fragment_add(client, list, argv[i]);
|
2012-05-07 03:29:59 +00:00
|
|
|
|
2015-09-06 15:48:24 +00:00
|
|
|
pkgconf_argv_free(argv);
|
2012-05-07 03:29:59 +00:00
|
|
|
free(repstr);
|
|
|
|
}
|