103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
/* $NetBSD: str.c,v 1.1.1.2 2009/02/02 20:44:08 joerg Exp $ */
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <nbcompat.h>
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#if HAVE_SYS_CDEFS_H
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#include <sys/cdefs.h>
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#endif
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__RCSID("$NetBSD: str.c,v 1.1.1.2 2009/02/02 20:44:08 joerg Exp $");
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/*
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* FreeBSD install - a package for the installation and maintainance
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* of non-core utilities.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Jordan K. Hubbard
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* 18 July 1993
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*
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* Miscellaneous string utilities.
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*
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*/
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#if HAVE_ASSERT_H
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#include <assert.h>
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#endif
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#if HAVE_ERR_H
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#include <err.h>
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#endif
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#if HAVE_FNMATCH_H
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#include <fnmatch.h>
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#endif
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#include "lib.h"
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#include "dewey.h"
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/* pull in definitions and macros for resizing arrays as we go */
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#include "defs.h"
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/*
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* Return the suffix portion of a path
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*/
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const char *
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suffix_of(const char *str)
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{
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const char *dot;
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return ((dot = strrchr(basename_of(str), '.')) == NULL) ? "" : dot + 1;
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}
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/*
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* Return the filename portion of a path
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*/
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const char *
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basename_of(const char *str)
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{
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const char *slash;
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return ((slash = strrchr(str, '/')) == NULL) ? str : slash + 1;
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}
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/*
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* Return the dirname portion of a path
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*/
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const char *
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dirname_of(const char *path)
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{
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size_t cc;
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char *s;
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static char buf[MaxPathSize];
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if ((s = strrchr(path, '/')) == NULL) {
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return ".";
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}
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if (s == path) {
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/* "/foo" -> return "/" */
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return "/";
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}
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cc = (size_t) (s - path);
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if (cc >= sizeof(buf))
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errx(EXIT_FAILURE, "dirname_of: too long dirname: '%s'", path);
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(void) memcpy(buf, path, cc);
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buf[cc] = 0;
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return buf;
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}
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/*
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* Does the pkgname contain any of the special chars ("{[]?*<>")?
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* If so, return 1, else 0
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*/
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int
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ispkgpattern(const char *pkg)
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{
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return strpbrk(pkg, "<>[]?*{") != NULL;
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}
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