pkgconf/libpkgconf/path.c

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/*
* path.c
* filesystem path management
*
* Copyright (c) 2016 pkgconf authors (see AUTHORS).
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* This software is provided 'as is' and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising
* from the use of this software.
*/
#include <libpkgconf/libpkgconf.h>
void
pkgconf_path_add(const char *text, pkgconf_list_t *dirlist)
{
pkgconf_path_t *node;
node = calloc(sizeof(pkgconf_path_t), 1);
node->path = strdup(text);
pkgconf_node_insert_tail(&node->lnode, node, dirlist);
}
size_t
pkgconf_path_split(const char *text, pkgconf_list_t *dirlist)
{
size_t count = 0;
char *workbuf, *p, *iter;
if (text == NULL)
return 0;
iter = workbuf = strdup(text);
while ((p = strtok(iter, PKG_CONFIG_PATH_SEP_S)) != NULL)
{
pkgconf_path_add(p, dirlist);
count++, iter = NULL;
}
free(workbuf);
return count;
}
size_t
pkgconf_path_build_from_environ(const char *environ, const char *fallback, pkgconf_list_t *dirlist)
{
const char *data;
data = getenv(environ);
if (data != NULL)
return pkgconf_path_split(data, dirlist);
if (fallback != NULL)
return pkgconf_path_split(fallback, dirlist);
/* no fallback and no environment variable, thusly no nodes added */
return 0;
}
bool
pkgconf_path_match_list(const char *path, pkgconf_list_t *dirlist)
{
pkgconf_node_t *n = NULL;
PKGCONF_FOREACH_LIST_ENTRY(dirlist->head, n)
{
pkgconf_path_t *pnode = n->data;
if (!strcmp(pnode->path, path))
return true;
}
return false;
}
void
pkgconf_path_free(pkgconf_list_t *dirlist)
{
pkgconf_node_t *n, *tn;
PKGCONF_FOREACH_LIST_ENTRY_SAFE(dirlist->head, tn, n)
{
pkgconf_path_t *pnode = n->data;
free(pnode->path);
free(pnode);
}
}