pkgconf/pkg.c

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