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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/fnmatch/fnmatch.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/fnmatch/fnmatch.c
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+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/fnmatch/fnmatch.c
@@ -0,0 +1,208 @@
+/* $NetBSD: fnmatch.c,v 1.26 2014/10/12 22:32:33 christos Exp $ */
+
+/*
+ * Copyright (c) 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Guido van Rossum.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ */
+
+/*
+ * Function fnmatch() as specified in POSIX 1003.2-1992, section B.6.
+ * Compares a filename or pathname to a pattern.
+ */
+
+#include <ctype.h>
+#include "fnmatch.h"
+#include <string.h>
+
+#define EOS '\0'
+
+static inline int foldcase(int ch, int flags)
+{
+
+ if ((flags & FNM_CASEFOLD) != 0 && isupper(ch))
+ return tolower(ch);
+ return ch;
+}
+
+#define FOLDCASE(ch, flags) foldcase((unsigned char)(ch), (flags))
+
+static const char * rangematch(const char *pattern, int test, int flags)
+{
+ int negate, ok, need;
+ char c, c2;
+
+ if (pattern == NULL)
+ {
+ return NULL;
+ }
+
+ /*
+ * A bracket expression starting with an unquoted circumflex
+ * character produces unspecified results (IEEE 1003.2-1992,
+ * 3.13.2). This implementation treats it like '!', for
+ * consistency with the regular expression syntax.
+ * J.T. Conklin (conklin@ngai.kaleida.com)
+ */
+ if ((negate = (*pattern == '!' || *pattern == '^')) != 0)
+ ++pattern;
+
+ need = 1;
+ for (ok = 0; (c = FOLDCASE(*pattern++, flags)) != ']' || need;) {
+ need = 0;
+ if (c == '/')
+ return (void *)-1;
+ if (c == '\\' && !(flags & FNM_NOESCAPE))
+ c = FOLDCASE(*pattern++, flags);
+ if (c == EOS)
+ return NULL;
+ if (*pattern == '-'
+ && (c2 = FOLDCASE(*(pattern + 1), flags)) != EOS &&
+ c2 != ']') {
+ pattern += 2;
+ if (c2 == '\\' && !(flags & FNM_NOESCAPE))
+ c2 = FOLDCASE(*pattern++, flags);
+ if (c2 == EOS)
+ return NULL;
+ if (c <= test && test <= c2)
+ ok = 1;
+ } else if (c == test)
+ ok = 1;
+ }
+ return ok == negate ? NULL : pattern;
+}
+
+
+static int fnmatchx(const char *pattern, const char *string, int flags, size_t recursion)
+{
+ const char *stringstart, *r;
+ char c, test;
+
+ if ((pattern == NULL) || (string == NULL))
+ {
+ return FNM_NOMATCH;
+ }
+
+ if (recursion-- == 0)
+ return FNM_NORES;
+
+ for (stringstart = string;;) {
+ switch (c = FOLDCASE(*pattern++, flags)) {
+ case EOS:
+ if ((flags & FNM_LEADING_DIR) && *string == '/')
+ return 0;
+ return *string == EOS ? 0 : FNM_NOMATCH;
+ case '?':
+ if (*string == EOS)
+ return FNM_NOMATCH;
+ if (*string == '/' && (flags & FNM_PATHNAME))
+ return FNM_NOMATCH;
+ if (*string == '.' && (flags & FNM_PERIOD) &&
+ (string == stringstart ||
+ ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+ return FNM_NOMATCH;
+ ++string;
+ break;
+ case '*':
+ c = FOLDCASE(*pattern, flags);
+ /* Collapse multiple stars. */
+ while (c == '*')
+ c = FOLDCASE(*++pattern, flags);
+
+ if (*string == '.' && (flags & FNM_PERIOD) &&
+ (string == stringstart ||
+ ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+ return FNM_NOMATCH;
+
+ /* Optimize for pattern with * at end or before /. */
+ if (c == EOS) {
+ if (flags & FNM_PATHNAME)
+ return (flags & FNM_LEADING_DIR) ||
+ strchr(string, '/') == NULL ?
+ 0 : FNM_NOMATCH;
+ else
+ return 0;
+ } else if (c == '/' && flags & FNM_PATHNAME) {
+ if ((string = strchr(string, '/')) == NULL)
+ return FNM_NOMATCH;
+ break;
+ }
+
+ /* General case, use recursion. */
+ while ((test = FOLDCASE(*string, flags)) != EOS) {
+ int e;
+ switch ((e = fnmatchx(pattern, string,
+ flags & ~FNM_PERIOD, recursion))) {
+ case FNM_NOMATCH:
+ break;
+ default:
+ return e;
+ }
+ if (test == '/' && flags & FNM_PATHNAME)
+ break;
+ ++string;
+ }
+ return FNM_NOMATCH;
+ case '[':
+ if (*string == EOS)
+ return FNM_NOMATCH;
+ if (*string == '/' && flags & FNM_PATHNAME)
+ return FNM_NOMATCH;
+ if ((r = rangematch(pattern,
+ FOLDCASE(*string, flags), flags)) == NULL)
+ return FNM_NOMATCH;
+ if (r == (void *)-1) {
+ if (*string != '[')
+ return FNM_NOMATCH;
+ } else
+ pattern = r;
+ ++string;
+ break;
+ case '\\':
+ if (!(flags & FNM_NOESCAPE)) {
+ if ((c = FOLDCASE(*pattern++, flags)) == EOS) {
+ c = '\0';
+ --pattern;
+ }
+ }
+ /* FALLTHROUGH */
+ default:
+ if (c != FOLDCASE(*string++, flags))
+ return FNM_NOMATCH;
+ break;
+ }
+ }
+ /* NOTREACHED */
+}
+
+int fnmatch(const char *pattern, const char *string, int flags)
+{
+ return fnmatchx(pattern, string, flags, 64);
+}
+