Blame SOURCES/unzip-6.0-fix-recmatch.patch

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diff -up unzip60/match.c.recmatch unzip60/match.c
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--- unzip60/match.c.recmatch	2005-08-14 13:00:36.000000000 -0400
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+++ unzip60/match.c	2013-05-28 10:29:57.949077543 -0400
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@@ -27,16 +27,14 @@
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   ---------------------------------------------------------------------------
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-  Copyright on recmatch() from Zip's util.c (although recmatch() was almost
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-  certainly written by Mark Adler...ask me how I can tell :-) ):
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+  Copyright on recmatch() from Zip's util.c
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+	 Copyright (c) 1990-2005 Info-ZIP.  All rights reserved.
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-     Copyright (C) 1990-1992 Mark Adler, Richard B. Wales, Jean-loup Gailly,
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-     Kai Uwe Rommel and Igor Mandrichenko.
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+	 See the accompanying file LICENSE, version 2004-May-22 or later
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+	 for terms of use.
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+	 If, for some reason, both of these files are missing, the Info-ZIP license
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+	 also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html  
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-     Permission is granted to any individual or institution to use, copy,
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-     or redistribute this software so long as all of the original files are
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-     included unmodified, that it is not sold for profit, and that this copy-
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-     right notice is retained.
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   ---------------------------------------------------------------------------
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@@ -53,7 +51,7 @@
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   A set is composed of characters or ranges; a range looks like ``character
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   hyphen character'' (as in 0-9 or A-Z).  [0-9a-zA-Z_] is the minimal set of
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-  characters allowed in the [..] pattern construct.  Other characters are
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+  characters ALlowed in the [..] pattern construct.  Other characters are
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   allowed (i.e., 8-bit characters) if your system will support them.
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   To suppress the special syntactic significance of any of ``[]*?!^-\'', in-
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@@ -101,8 +99,32 @@
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 #  define WILDCHAR   '?'
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 #  define BEG_RANGE  '['
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 #  define END_RANGE  ']'
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+#  define WILDCHR_SINGLE '?'
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+#  define DIRSEP_CHR '/'
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+#  define WILDCHR_MULTI '*'
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 #endif
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+#ifdef WILD_STOP_AT_DIR
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+   int wild_stop_at_dir = 1; /* default wildcards do not include / in matches */
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+#else
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+   int wild_stop_at_dir = 0; /* default wildcards do include / in matches */
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+#endif
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+
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+
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+
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+/*
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+ * case mapping functions. case_map is used to ignore case in comparisons,
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+ * to_up is used to force upper case even on Unix (for dosify option).
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+ */
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+#ifdef USE_CASE_MAP
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+#  define case_map(c) upper[(c) & 0xff]
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+#  define to_up(c)    upper[(c) & 0xff]
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+#else
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+#  define case_map(c) (c)
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+#  define to_up(c)    ((c) >= 'a' && (c) <= 'z' ? (c)-'a'+'A' : (c))
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+#endif /* USE_CASE_MAP */
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+
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+
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 #if 0                /* GRR:  add this to unzip.h someday... */
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 #if !(defined(MSDOS) && defined(DOSWILD))
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 #ifdef WILD_STOP_AT_DIR
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@@ -114,8 +136,8 @@ int recmatch OF((ZCONST uch *pattern, ZC
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                  int ignore_case __WDLPRO));
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 #endif
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 #endif /* 0 */
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-static int recmatch OF((ZCONST uch *pattern, ZCONST uch *string,
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-                        int ignore_case __WDLPRO));
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+static int recmatch OF((ZCONST char *, ZCONST char *, 
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+                        int));
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 static char *isshexp OF((ZCONST char *p));
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 static int namecmp OF((ZCONST char *s1, ZCONST char *s2));
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@@ -154,192 +176,240 @@ int match(string, pattern, ignore_case _
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             }
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             dospattern[j-1] = '\0';                    /* nuke the end "." */
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         }
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-        j = recmatch((uch *)dospattern, (uch *)string, ignore_case __WDL);
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+        j = recmatch(dospattern, string, ignore_case);
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         free(dospattern);
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         return j == 1;
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     } else
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 #endif /* MSDOS && DOSWILD */
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-    return recmatch((uch *)pattern, (uch *)string, ignore_case __WDL) == 1;
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+    return recmatch(pattern, string, ignore_case) == 1;
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 }
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+#ifdef _MBCS
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+
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+char *___tmp_ptr;
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+#endif
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-static int recmatch(p, s, ic __WDL)
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-    ZCONST uch *p;        /* sh pattern to match */
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-    ZCONST uch *s;        /* string to which to match it */
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-    int ic;               /* true for case insensitivity */
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-    __WDLDEF              /* directory sepchar for WildStopAtDir mode, or 0 */
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+static int recmatch(p, s, cs)
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+ZCONST char *p;         /* sh pattern to match */
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+ZCONST char *s;         /* string to match it to */
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+int cs;                 /* flag: force case-sensitive matching */
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 /* Recursively compare the sh pattern p with the string s and return 1 if
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- * they match, and 0 or 2 if they don't or if there is a syntax error in the
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- * pattern.  This routine recurses on itself no more deeply than the number
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- * of characters in the pattern. */
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+   they match, and 0 or 2 if they don't or if there is a syntax error in the
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+   pattern.  This routine recurses on itself no deeper than the number of
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+   characters in the pattern. */
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 {
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-    unsigned int c;       /* pattern char or start of range in [-] loop */
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+  int c;                /* pattern char or start of range in [-] loop */
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+  /* Get first character, the pattern for new recmatch calls follows */
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+ /* borrowed from Zip's global.c */
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+ int no_wild = 0; 
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+ int allow_regex=1;
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+  /* This fix provided by akt@m5.dion.ne.jp for Japanese.
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+     See 21 July 2006 mail.
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+     It only applies when p is pointing to a doublebyte character and
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+     things like / and wildcards are not doublebyte.  This probably
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+     should not be needed. */
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-    /* Get first character, the pattern for new recmatch calls follows */
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-    c = *p; INCSTR(p);
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+#ifdef _MBCS
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+  if (CLEN(p) == 2) {
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+    if (CLEN(s) == 2) {
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+      return (*p == *s && *(p+1) == *(s+1)) ?
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+        recmatch(p + 2, s + 2, cs) : 0;
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+    } else {
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+      return 0;
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+    }
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+  }
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+#endif /* ?_MBCS */
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-    /* If that was the end of the pattern, match if string empty too */
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-    if (c == 0)
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-        return *s == 0;
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+  c = *POSTINCSTR(p);
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-    /* '?' (or '%') matches any character (but not an empty string). */
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-    if (c == WILDCHAR)
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-#ifdef WILD_STOP_AT_DIR
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-        /* If uO.W_flag is non-zero, it won't match '/' */
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-        return (*s && (!sepc || *s != (uch)sepc))
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-               ? recmatch(p, s + CLEN(s), ic, sepc) : 0;
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-#else
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-        return *s ? recmatch(p, s + CLEN(s), ic) : 0;
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-#endif
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+  /* If that was the end of the pattern, match if string empty too */
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+  if (c == 0)
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+    return *s == 0;
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+
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+  /* '?' (or '%' or '#') matches any character (but not an empty string) */
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+  if (c == WILDCHR_SINGLE) {
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+    if (wild_stop_at_dir)
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+      return (*s && *s != DIRSEP_CHR) ? recmatch(p, s + CLEN(s), cs) : 0;
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+    else
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+      return *s ? recmatch(p, s + CLEN(s), cs) : 0;
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+  }
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-    /* '*' matches any number of characters, including zero */
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+  /* WILDCHR_MULTI ('*') matches any number of characters, including zero */
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 #ifdef AMIGA
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-    if (c == '#' && *p == '?')     /* "#?" is Amiga-ese for "*" */
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-        c = '*', p++;
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+  if (!no_wild && c == '#' && *p == '?')            /* "#?" is Amiga-ese for "*" */
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+    c = WILDCHR_MULTI, p++;
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 #endif /* AMIGA */
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-    if (c == '*') {
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-#ifdef WILD_STOP_AT_DIR
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-        if (sepc) {
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-          /* check for single "*" or double "**" */
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-#  ifdef AMIGA
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-          if ((c = p[0]) == '#' && p[1] == '?') /* "#?" is Amiga-ese for "*" */
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-            c = '*', p++;
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-          if (c != '*') {
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-#  else /* !AMIGA */
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-          if (*p != '*') {
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-#  endif /* ?AMIGA */
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-            /* single "*": this doesn't match the dirsep character */
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-            for (; *s && *s != (uch)sepc; INCSTR(s))
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-                if ((c = recmatch(p, s, ic, sepc)) != 0)
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-                    return (int)c;
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-            /* end of pattern: matched if at end of string, else continue */
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-            if (*p == '\0')
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-                return (*s == 0);
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-            /* continue to match if at sepc in pattern, else give up */
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-            return (*p == (uch)sepc || (*p == '\\' && p[1] == (uch)sepc))
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-                   ? recmatch(p, s, ic, sepc) : 2;
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-          }
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-          /* "**": this matches slashes */
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-          ++p;        /* move p behind the second '*' */
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-          /* and continue with the non-W_flag code variant */
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-        }
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-#endif /* WILD_STOP_AT_DIR */
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+  if (!no_wild && c == WILDCHR_MULTI)
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+  {
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+    if (wild_stop_at_dir) {
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+      /* Check for an immediately following WILDCHR_MULTI */
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+# ifdef AMIGA
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+      if ((c = p[0]) == '#' && p[1] == '?') /* "#?" is Amiga-ese for "*" */
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+        c = WILDCHR_MULTI, p++;
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+      if (c != WILDCHR_MULTI) {
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+# else /* !AMIGA */
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+      if (*p != WILDCHR_MULTI) {
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+# endif /* ?AMIGA */
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+        /* Single WILDCHR_MULTI ('*'): this doesn't match slashes */
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+        for (; *s && *s != DIRSEP_CHR; INCSTR(s))
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+          if ((c = recmatch(p, s, cs)) != 0)
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+            return c;
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+        /* end of pattern: matched if at end of string, else continue */
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         if (*p == 0)
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-            return 1;
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-        if (isshexp((ZCONST char *)p) == NULL) {
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-            /* Optimization for rest of pattern being a literal string:
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-             * If there are no other shell expression chars in the rest
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-             * of the pattern behind the multi-char wildcard, then just
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-             * compare the literal string tail.
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-             */
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-            ZCONST uch *srest;
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-
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-            srest = s + (strlen((ZCONST char *)s) - strlen((ZCONST char *)p));
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-            if (srest - s < 0)
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-                /* remaining literal string from pattern is longer than rest
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-                 * of test string, there can't be a match
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-                 */
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-                return 0;
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-            else
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-              /* compare the remaining literal pattern string with the last
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-               * bytes of the test string to check for a match
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-               */
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+          return (*s == 0);
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+        /* continue to match if at DIRSEP_CHR in pattern, else give up */
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+        return (*p == DIRSEP_CHR || (*p == '\\' && p[1] == DIRSEP_CHR))
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+               ? recmatch(p, s, cs) : 2;
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+      }
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+      /* Two consecutive WILDCHR_MULTI ("**"): this matches DIRSEP_CHR ('/') */
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+      p++;        /* move p past the second WILDCHR_MULTI */
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+      /* continue with the normal non-WILD_STOP_AT_DIR code */
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+    } /* wild_stop_at_dir */
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+
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+    /* Not wild_stop_at_dir */
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+    if (*p == 0)
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+      return 1;
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+    if (!isshexp((char *)p))
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+    {
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+      /* optimization for rest of pattern being a literal string */
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+
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+      /* optimization to handle patterns like *.txt */
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+      /* if the first char in the pattern is '*' and there */
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+      /* are no other shell expression chars, i.e. a literal string */
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+      /* then just compare the literal string at the end */
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+
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+      ZCONST char *srest;
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+
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+      srest = s + (strlen(s) - strlen(p));
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+      if (srest - s < 0)
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+        /* remaining literal string from pattern is longer than rest of
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+           test string, there can't be a match
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+         */
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+        return 0;
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+      else
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+        /* compare the remaining literal pattern string with the last bytes
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+           of the test string to check for a match */
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 #ifdef _MBCS
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-            {
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-                ZCONST uch *q = s;
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+      {
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+        ZCONST char *q = s;
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-                /* MBCS-aware code must not scan backwards into a string from
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-                 * the end.
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-                 * So, we have to move forward by character from our well-known
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-                 * character position s in the test string until we have
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-                 * advanced to the srest position.
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-                 */
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-                while (q < srest)
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-                  INCSTR(q);
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-                /* In case the byte *srest is a trailing byte of a multibyte
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-                 * character in the test string s, we have actually advanced
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-                 * past the position (srest).
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-                 * For this case, the match has failed!
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-                 */
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-                if (q != srest)
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-                    return 0;
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-                return ((ic
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-                         ? namecmp((ZCONST char *)p, (ZCONST char *)q)
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-                         : strcmp((ZCONST char *)p, (ZCONST char *)q)
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-                        ) == 0);
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-            }
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+        /* MBCS-aware code must not scan backwards into a string from
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+         * the end.
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+         * So, we have to move forward by character from our well-known
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+         * character position s in the test string until we have advanced
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+         * to the srest position.
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+         */
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+        while (q < srest)
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+          INCSTR(q);
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+        /* In case the byte *srest is a trailing byte of a multibyte
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+         * character, we have actually advanced past the position (srest).
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+         * For this case, the match has failed!
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+         */
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+        if (q != srest)
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+          return 0;
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+        return ((cs ? strcmp(p, q) : namecmp(p, q)) == 0);
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+      }
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 #else /* !_MBCS */
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-                return ((ic
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-                         ? namecmp((ZCONST char *)p, (ZCONST char *)srest)
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-                         : strcmp((ZCONST char *)p, (ZCONST char *)srest)
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-                        ) == 0);
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+        return ((cs ? strcmp(p, srest) : namecmp(p, srest)) == 0);
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 #endif /* ?_MBCS */
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-        } else {
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-            /* pattern contains more wildcards, continue with recursion... */
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-            for (; *s; INCSTR(s))
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-                if ((c = recmatch(p, s, ic __WDL)) != 0)
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-                    return (int)c;
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-            return 2;  /* 2 means give up--match will return false */
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-        }
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     }
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-
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-    /* Parse and process the list of characters and ranges in brackets */
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-    if (c == BEG_RANGE) {
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-        int e;          /* flag true if next char to be taken literally */
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-        ZCONST uch *q;  /* pointer to end of [-] group */
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-        int r;          /* flag true to match anything but the range */
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-
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-        if (*s == 0)                            /* need a character to match */
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-            return 0;
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-        p += (r = (*p == '!' || *p == '^'));    /* see if reverse */
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-        for (q = p, e = 0; *q; INCSTR(q))       /* find closing bracket */
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-            if (e)
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-                e = 0;
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-            else
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-                if (*q == '\\')      /* GRR:  change to ^ for MS-DOS, OS/2? */
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-                    e = 1;
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-                else if (*q == END_RANGE)
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-                    break;
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-        if (*q != END_RANGE)         /* nothing matches if bad syntax */
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-            return 0;
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-        for (c = 0, e = (*p == '-'); p < q; INCSTR(p)) {
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-            /* go through the list */
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-            if (!e && *p == '\\')               /* set escape flag if \ */
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-                e = 1;
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-            else if (!e && *p == '-')           /* set start of range if - */
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-                c = *(p-1);
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-            else {
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-                unsigned int cc = Case(*s);
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-
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-                if (*(p+1) != '-')
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-                    for (c = c ? c : *p; c <= *p; c++)  /* compare range */
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-                        if ((unsigned)Case(c) == cc) /* typecast for MSC bug */
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-                            return r ? 0 : recmatch(q + 1, s + 1, ic __WDL);
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-                c = e = 0;   /* clear range, escape flags */
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-            }
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-        }
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-        return r ? recmatch(q + CLEN(q), s + CLEN(s), ic __WDL) : 0;
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-                                        /* bracket match failed */
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+    else
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+    {
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+      /* pattern contains more wildcards, continue with recursion... */
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+      for (; *s; INCSTR(s))
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+        if ((c = recmatch(p, s, cs)) != 0)
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+          return c;
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+      return 2;           /* 2 means give up--shmatch will return false */
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     }
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+  }
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-    /* if escape ('\\'), just compare next character */
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-    if (c == '\\' && (c = *p++) == 0)     /* if \ at end, then syntax error */
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-        return 0;
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+#ifndef VMS             /* No bracket matching in VMS */
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+  /* Parse and process the list of characters and ranges in brackets */
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+  if (!no_wild && allow_regex && c == '[')
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+  {
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+    int e;              /* flag true if next char to be taken literally */
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+    ZCONST char *q;     /* pointer to end of [-] group */
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+    int r;              /* flag true to match anything but the range */
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+
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+    if (*s == 0)                        /* need a character to match */
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+      return 0;
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+    p += (r = (*p == '!' || *p == '^')); /* see if reverse */
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+    for (q = p, e = 0; *q; q++)         /* find closing bracket */
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+      if (e)
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+        e = 0;
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+      else
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+        if (*q == '\\')
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+          e = 1;
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+        else if (*q == ']')
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+          break;
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+    if (*q != ']')                      /* nothing matches if bad syntax */
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+      return 0;
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+    for (c = 0, e = *p == '-'; p < q; p++)      /* go through the list */
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+    {
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+      if (e == 0 && *p == '\\')         /* set escape flag if \ */
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+        e = 1;
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+      else if (e == 0 && *p == '-')     /* set start of range if - */
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+        c = *(p-1);
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+      else
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+      {
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+        uch cc = (cs ? (uch)*s : case_map((uch)*s));
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+        uch uc = (uch) c;
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+        if (*(p+1) != '-')
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+          for (uc = uc ? uc : (uch)*p; uc <= (uch)*p; uc++)
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+            /* compare range */
623fdc
+            if ((cs ? uc : case_map(uc)) == cc)
623fdc
+              return r ? 0 : recmatch(q + CLEN(q), s + CLEN(s), cs);
623fdc
+        c = e = 0;                      /* clear range, escape flags */
623fdc
+      }
623fdc
+    }
623fdc
+    return r ? recmatch(q + CLEN(q), s + CLEN(s), cs) : 0;
623fdc
+                                        /* bracket match failed */
623fdc
+  }
623fdc
+#endif /* !VMS */
623fdc
 
623fdc
-    /* just a character--compare it */
623fdc
-#ifdef QDOS
623fdc
-    return QMatch(Case((uch)c), Case(*s)) ?
623fdc
-           recmatch(p, s + CLEN(s), ic __WDL) : 0;
623fdc
-#else
623fdc
-    return Case((uch)c) == Case(*s) ?
623fdc
-           recmatch(p, s + CLEN(s), ic __WDL) : 0;
623fdc
-#endif
623fdc
+  /* If escape ('\'), just compare next character */
623fdc
+  if (!no_wild && c == '\\')
623fdc
+    if ((c = *p++) == '\0')             /* if \ at end, then syntax error */
623fdc
+      return 0;
623fdc
+
623fdc
+#ifdef VMS
623fdc
+  /* 2005-11-06 SMS.
623fdc
+     Handle "..." wildcard in p with "." or "]" in s.
623fdc
+  */
623fdc
+  if ((c == '.') && (*p == '.') && (*(p+ CLEN( p)) == '.') &&
623fdc
+   ((*s == '.') || (*s == ']')))
623fdc
+  {
623fdc
+    /* Match "...]" with "]".  Continue after "]" in both. */
623fdc
+    if ((*(p+ 2* CLEN( p)) == ']') && (*s == ']'))
623fdc
+      return recmatch( (p+ 3* CLEN( p)), (s+ CLEN( s)), cs);
623fdc
+
623fdc
+    /* Else, look for a reduced match in s, until "]" in or end of s. */
623fdc
+    for (; *s && (*s != ']'); INCSTR(s))
623fdc
+      if (*s == '.')
623fdc
+        /* If reduced match, then continue after "..." in p, "." in s. */
623fdc
+        if ((c = recmatch( (p+ CLEN( p)), s, cs)) != 0)
623fdc
+          return (int)c;
623fdc
+
623fdc
+    /* Match "...]" with "]".  Continue after "]" in both. */
623fdc
+    if ((*(p+ 2* CLEN( p)) == ']') && (*s == ']'))
623fdc
+      return recmatch( (p+ 3* CLEN( p)), (s+ CLEN( s)), cs);
623fdc
+
623fdc
+    /* No reduced match.  Quit. */
623fdc
+    return 2;
623fdc
+  }
623fdc
+
623fdc
+#endif /* def VMS */
623fdc
+
623fdc
+  /* Just a character--compare it */
623fdc
+  return (cs ? c == *s : case_map((uch)c) == case_map((uch)*s)) ?
623fdc
+          recmatch(p, s + CLEN(s), cs) : 0;
623fdc
+}
623fdc
 
623fdc
-} /* end function recmatch() */
623fdc
 
623fdc
 
623fdc
 
623fdc
+/*************************************************************************************************/
623fdc
 static char *isshexp(p)
623fdc
 ZCONST char *p;
623fdc
 /* If p is a sh expression, a pointer to the first special character is