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libpkgconf: client: add pkgconf_client_[get|set]_prefix_varname()

pull/109/head
William Pitcock 2017-01-19 19:16:00 -06:00
parent 13cf74c7a3
commit ced4f00363
3 changed files with 68 additions and 0 deletions
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18
doc/libpkgconf-client.rst
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@ -112,3 +112,21 @@ thread boundaries.
:param pkgconf_client_t* client: The client object to set the resolver-specific flags on.
:return: nothing
.. c:function:: const char *pkgconf_client_get_prefix_varname(const pkgconf_client_t *client)
Retrieves the name of the variable that should contain a module's prefix.
In some cases, it is necessary to override this variable to allow proper path relocation.
:param pkgconf_client_t* client: The client object to retrieve the prefix variable name from.
:return: the prefix variable name as a string
:rtype: const char *
.. c:function:: void pkgconf_client_set_prefix_varname(pkgconf_client_t *client, const char *prefix_varname)
Sets the name of the variable that should contain a module's prefix.
If the variable name is ``NULL``, then the default variable name (``prefix``) is used.
:param pkgconf_client_t* client: The client object to set the prefix variable name on.
:param char* prefix_varname: The prefix variable name to set.
:return: nothing

46
libpkgconf/client.c
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@ -50,6 +50,7 @@ pkgconf_client_init(pkgconf_client_t *client, pkgconf_error_handler_func_t error
pkgconf_client_set_sysroot_dir(client, NULL);
pkgconf_client_set_buildroot_dir(client, NULL);
pkgconf_client_set_prefix_varname(client, NULL);
if (client->error_handler == NULL)
client->error_handler = pkgconf_default_error_handler;
@ -98,6 +99,9 @@ pkgconf_client_new(pkgconf_error_handler_func_t error_handler, void *error_handl
void
pkgconf_client_deinit(pkgconf_client_t *client)
{
if (client->prefix_varname != NULL)
free(client->prefix_varname);
if (client->sysroot_dir != NULL)
free(client->sysroot_dir);
@ -290,3 +294,45 @@ pkgconf_client_set_flags(pkgconf_client_t *client, unsigned int flags)
{
client->flags = flags;
}
/*
* !doc
*
* .. c:function:: const char *pkgconf_client_get_prefix_varname(const pkgconf_client_t *client)
*
* Retrieves the name of the variable that should contain a module's prefix.
* In some cases, it is necessary to override this variable to allow proper path relocation.
*
* :param pkgconf_client_t* client: The client object to retrieve the prefix variable name from.
* :return: the prefix variable name as a string
* :rtype: const char *
*/
const char *
pkgconf_client_get_prefix_varname(const pkgconf_client_t *client)
{
return client->prefix_varname;
}
/*
* !doc
*
* .. c:function:: void pkgconf_client_set_prefix_varname(pkgconf_client_t *client, const char *prefix_varname)
*
* Sets the name of the variable that should contain a module's prefix.
* If the variable name is ``NULL``, then the default variable name (``prefix``) is used.
*
* :param pkgconf_client_t* client: The client object to set the prefix variable name on.
* :param char* prefix_varname: The prefix variable name to set.
* :return: nothing
*/
void
pkgconf_client_set_prefix_varname(pkgconf_client_t *client, const char *prefix_varname)
{
if (prefix_varname == NULL)
prefix_varname = "prefix";
if (client->prefix_varname != NULL)
free(client->prefix_varname);
client->prefix_varname = strdup(prefix_varname);
}

4
libpkgconf/libpkgconf.h
View File

@ -152,6 +152,8 @@ struct pkgconf_client_ {
char *buildroot_dir;
unsigned int flags;
char *prefix_varname;
};
/* client.c */
@ -165,6 +167,8 @@ const char *pkgconf_client_get_buildroot_dir(const pkgconf_client_t *client);
void pkgconf_client_set_buildroot_dir(pkgconf_client_t *client, const char *buildroot_dir);
unsigned int pkgconf_client_get_flags(const pkgconf_client_t *client);
void pkgconf_client_set_flags(pkgconf_client_t *client, unsigned int flags);
const char *pkgconf_client_get_prefix_varname(const pkgconf_client_t *client);
void pkgconf_client_set_prefix_varname(pkgconf_client_t *client, const char *prefix_varname);
#define PKGCONF_IS_MODULE_SEPARATOR(c) ((c) == ',' || isspace ((unsigned int)(c)))
#define PKGCONF_IS_OPERATOR_CHAR(c) ((c) == '<' || (c) == '>' || (c) == '!' || (c) == '=')