forked from ariadne/pkgconf
196 lines
5.8 KiB
C
196 lines
5.8 KiB
C
/*
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* client.c
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* libpkgconf consumer lifecycle management
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*
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* Copyright (c) 2016 pkgconf authors (see AUTHORS).
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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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* 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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*/
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#include <libpkgconf/libpkgconf.h>
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/*
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* !doc
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*
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* libpkgconf `client` module
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* ==========================
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*
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* The libpkgconf `client` module implements the `pkgconf_client_t` "client" object.
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* Client objects store all necessary state for libpkgconf allowing for multiple instances to run
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* in parallel.
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*
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* Client objects are not thread safe, in other words, a client object should not be shared across
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* thread boundaries.
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*/
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/*
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* !doc
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*
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* .. c:function:: void pkgconf_client_init(pkgconf_client_t *client, pkgconf_error_handler_func_t error_handler)
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*
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* Initialise a pkgconf client object.
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*
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* :param pkgconf_client_t* client: The client to initialise.
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* :param pkgconf_error_handler_func_t error_handler: An optional error handler to use for logging errors.
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* :return: nothing
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*/
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void
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pkgconf_client_init(pkgconf_client_t *client, pkgconf_error_handler_func_t error_handler)
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{
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client->error_handler = error_handler;
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client->auditf = NULL;
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pkgconf_client_set_sysroot_dir(client, NULL);
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pkgconf_client_set_buildroot_dir(client, NULL);
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}
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/*
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* !doc
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*
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* .. c:function:: pkgconf_client_t* pkgconf_client_new(pkgconf_error_handler_func_t error_handler)
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*
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* Allocate and initialise a pkgconf client object.
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*
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* :param pkgconf_error_handler_func_t error_handler: An optional error handler to use for logging errors.
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* :return: A pkgconf client object.
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* :rtype: pkgconf_client_t*
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*/
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pkgconf_client_t *
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pkgconf_client_new(pkgconf_error_handler_func_t error_handler)
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{
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pkgconf_client_t *out = calloc(sizeof(pkgconf_client_t), 1);
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pkgconf_client_init(out, error_handler);
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return out;
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}
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/*
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* !doc
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*
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* .. c:function:: void pkgconf_client_deinit(pkgconf_client_t *client)
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*
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* Release resources belonging to a pkgconf client object.
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*
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* :param pkgconf_client_t* client: The client to deinitialise.
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* :return: nothing
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*/
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void
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pkgconf_client_deinit(pkgconf_client_t *client)
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{
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if (client->sysroot_dir != NULL)
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free(client->sysroot_dir);
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if (client->buildroot_dir != NULL)
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free(client->buildroot_dir);
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pkgconf_tuple_free_global(client);
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pkgconf_path_free(&client->dir_list);
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pkgconf_cache_free(client);
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}
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/*
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* !doc
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*
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* .. c:function:: void pkgconf_client_free(pkgconf_client_t *client)
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*
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* Release resources belonging to a pkgconf client object and then free the client object itself.
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*
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* :param pkgconf_client_t* client: The client to deinitialise and free.
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* :return: nothing
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*/
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void
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pkgconf_client_free(pkgconf_client_t *client)
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{
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pkgconf_client_deinit(client);
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free(client);
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}
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/*
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* !doc
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*
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* .. c:function:: const char *pkgconf_client_get_sysroot_dir(const pkgconf_client_t *client)
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*
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* Retrieves the client's sysroot directory (if any).
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*
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* :param pkgconf_client_t* client: The client object being accessed.
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* :return: A string containing the sysroot directory or NULL.
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* :rtype: const char *
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*/
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const char *
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pkgconf_client_get_sysroot_dir(const pkgconf_client_t *client)
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{
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return client->sysroot_dir;
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}
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/*
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* !doc
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*
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* .. c:function:: void pkgconf_client_set_sysroot_dir(pkgconf_client_t *client, const char *sysroot_dir)
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*
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* Sets or clears the sysroot directory on a client object. Any previous sysroot directory setting is
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* automatically released if one was previously set.
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*
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* Additionally, the global tuple ``$(pc_sysrootdir)`` is set as appropriate based on the new setting.
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*
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* :param pkgconf_client_t* client: The client object being modified.
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* :param char* sysroot_dir: The sysroot directory to set or NULL to unset.
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* :return: nothing
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*/
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void
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pkgconf_client_set_sysroot_dir(pkgconf_client_t *client, const char *sysroot_dir)
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{
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if (client->sysroot_dir != NULL)
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free(client->sysroot_dir);
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client->sysroot_dir = sysroot_dir != NULL ? strdup(sysroot_dir) : NULL;
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pkgconf_tuple_add_global(client, "pc_sysrootdir", client->sysroot_dir != NULL ? client->sysroot_dir : "/");
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}
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/*
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* !doc
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*
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* .. c:function:: const char *pkgconf_client_get_buildroot_dir(const pkgconf_client_t *client)
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*
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* Retrieves the client's buildroot directory (if any).
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*
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* :param pkgconf_client_t* client: The client object being accessed.
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* :return: A string containing the buildroot directory or NULL.
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* :rtype: const char *
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*/
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const char *
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pkgconf_client_get_buildroot_dir(const pkgconf_client_t *client)
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{
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return client->buildroot_dir;
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}
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/*
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* !doc
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*
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* .. c:function:: void pkgconf_client_set_buildroot_dir(pkgconf_client_t *client, const char *buildroot_dir)
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*
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* Sets or clears the buildroot directory on a client object. Any previous buildroot directory setting is
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* automatically released if one was previously set.
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*
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* Additionally, the global tuple ``$(pc_top_builddir)`` is set as appropriate based on the new setting.
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*
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* :param pkgconf_client_t* client: The client object being modified.
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* :param char* buildroot_dir: The buildroot directory to set or NULL to unset.
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* :return: nothing
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*/
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void
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pkgconf_client_set_buildroot_dir(pkgconf_client_t *client, const char *buildroot_dir)
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{
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if (client->buildroot_dir != NULL)
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free(client->buildroot_dir);
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client->buildroot_dir = buildroot_dir != NULL ? strdup(buildroot_dir) : NULL;
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pkgconf_tuple_add_global(client, "pc_top_builddir", client->buildroot_dir != NULL ? client->buildroot_dir : "$(top_builddir)");
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}
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