forked from ariadne/pkgconf
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
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* pkg.c
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* higher-level dependency graph compilation, management and manipulation
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*
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* Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>.
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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 BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "pkg.h"
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pkg_t *
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pkg_find(const char *name)
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{
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char locbuf[BUFSIZ];
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snprintf(locbuf, sizeof locbuf, "/usr/lib/pkgconfig/%s.pc", name);
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return parse_file(locbuf);
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}
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void
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pkg_traverse(pkg_t *root,
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void (*pkg_traverse_func)(pkg_t *package, void *data),
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void *data,
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int maxdepth)
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{
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pkg_dependency_t *node;
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if (maxdepth == 0)
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return;
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foreach_list_entry(root->requires, node)
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{
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pkg_t *pkgdep;
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if (*node->package == '\0')
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continue;
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pkgdep = pkg_find(node->package);
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if (pkgdep == NULL)
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{
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fprintf(stderr, "dependency '%s' is not satisfiable, see PKG_CONFIG_PATH\n", node->package);
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continue;
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}
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pkg_traverse(pkgdep, pkg_traverse_func, data, maxdepth - 1);
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}
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pkg_traverse_func(root, data);
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}
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