2016-12-16 00:27:57 +00:00
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libpkgconf `fragment` module
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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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.. c:function:: void pkgconf_fragment_add(const pkgconf_client_t *client, pkgconf_list_t *list, const char *string)
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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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: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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2016-12-22 02:06:17 +00:00
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.. c:function:: bool pkgconf_fragment_has_system_dir(const pkgconf_client_t *client, const pkgconf_fragment_t *frag)
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Checks if a `fragment` contains a `system path`. System paths are detected at compile time and optionally overridden by
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the ``PKG_CONFIG_SYSTEM_INCLUDE_PATH`` and ``PKG_CONFIG_SYSTEM_LIBRARY_PATH`` environment variables.
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:param pkgconf_client_t* client: The pkgconf client object the fragment belongs to.
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:param pkgconf_fragment_t* frag: The fragment being checked.
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:return: true if the fragment contains a system path, else false
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:rtype: bool
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2016-12-16 00:27:57 +00:00
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.. c:function:: void pkgconf_fragment_copy(pkgconf_list_t *list, const pkgconf_fragment_t *base, unsigned int flags, bool is_private)
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Copies a `fragment` to another `fragment list`, possibly removing a previous copy of the `fragment`
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in a process known as `mergeback`.
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:param pkgconf_list_t* list: The list the fragment is being added to.
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:param pkgconf_fragment_t* base: The fragment being copied.
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:param uint flags: A set of dependency resolver flags.
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:param bool is_private: Whether the fragment list is a `private` fragment list (static linking).
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:return: nothing
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.. 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, unsigned int flags)
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Copies a `fragment list` to another `fragment list` which match a user-specified filtering function.
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:param pkgconf_client_t* client: The pkgconf client being accessed.
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:param pkgconf_list_t* dest: The destination list.
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:param pkgconf_list_t* src: The source list.
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:param pkgconf_fragment_filter_func_t filter_func: The filter function to use.
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2017-01-19 02:25:19 +00:00
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:param void* data: Optional data to pass to the filter function.
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2016-12-16 00:27:57 +00:00
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:param uint flags: A set of dependency resolver flags.
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:return: nothing
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.. c:function:: size_t pkgconf_fragment_render_len(const pkgconf_list_t *list)
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Calculates the required memory to store a `fragment list` when rendered as a string.
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:param pkgconf_list_t* list: The `fragment list` being rendered.
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:return: the amount of bytes required to represent the `fragment list` when rendered
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:rtype: size_t
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.. c:function:: void pkgconf_fragment_render_buf(const pkgconf_list_t *list, char *buf, size_t buflen)
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Renders a `fragment list` into a buffer.
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:param pkgconf_list_t* list: The `fragment list` being rendered.
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:param char* buf: The buffer to render the fragment list into.
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:param size_t buflen: The length of the buffer.
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:return: nothing
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.. c:function:: char *pkgconf_fragment_render(const pkgconf_list_t *list)
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Allocate memory and render a `fragment list` into it.
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:param pkgconf_list_t* list: The `fragment list` being rendered.
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:return: An allocated string containing the rendered `fragment list`.
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:rtype: char *
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.. c:function:: void pkgconf_fragment_delete(pkgconf_list_t *list, pkgconf_fragment_t *node)
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Delete a `fragment node` from a `fragment list`.
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:param pkgconf_list_t* list: The `fragment list` to delete from.
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:param pkgconf_fragment_t* node: The `fragment node` to delete.
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:return: nothing
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.. c:function:: void pkgconf_fragment_free(pkgconf_list_t *list)
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Delete an entire `fragment list`.
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:param pkgconf_list_t* list: The `fragment list` to delete.
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:return: nothing
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.. c:function:: void pkgconf_fragment_parse(const pkgconf_client_t *client, pkgconf_list_t *list, pkgconf_list_t *vars, const char *value)
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Parse a string into a `fragment list`.
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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` to add the fragment entries to.
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:param pkgconf_list_t* vars: A list of variables to use for variable substitution.
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:param char* value: The string to parse into fragments.
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:return: nothing
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