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5c40ff |
From: Giovanni Scafora <giovanni.archlinux.org>
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5c40ff |
Subject: unzip files encoded with non-latin, non-unicode file names
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5c40ff |
Last-Update: 2015-02-11
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5c40ff |
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5c40ff |
Updated 2015-02-11 by Marc Deslauriers <marc.deslauriers@canonical.com>
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5c40ff |
to fix buffer overflow in charset_to_intern()
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5c40ff |
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5c40ff |
Index: unzip-6.0/unix/unix.c
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5c40ff |
===================================================================
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5c40ff |
--- unzip-6.0.orig/unix/unix.c 2015-02-11 08:46:43.675324290 -0500
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5c40ff |
+++ unzip-6.0/unix/unix.c 2015-02-11 09:18:04.902081319 -0500
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5c40ff |
@@ -30,6 +30,9 @@
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5c40ff |
#define UNZIP_INTERNAL
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5c40ff |
#include "unzip.h"
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5c40ff |
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5c40ff |
+#include <iconv.h>
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5c40ff |
+#include <langinfo.h>
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5c40ff |
+
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5c40ff |
#ifdef SCO_XENIX
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5c40ff |
# define SYSNDIR
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5c40ff |
#else /* SCO Unix, AIX, DNIX, TI SysV, Coherent 4.x, ... */
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5c40ff |
@@ -1874,3 +1877,102 @@
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5c40ff |
}
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5c40ff |
}
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5c40ff |
#endif /* QLZIP */
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5c40ff |
+
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5c40ff |
+
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5c40ff |
+typedef struct {
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5c40ff |
+ char *local_charset;
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5c40ff |
+ char *archive_charset;
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5c40ff |
+} CHARSET_MAP;
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5c40ff |
+
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5c40ff |
+/* A mapping of local <-> archive charsets used by default to convert filenames
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5c40ff |
+ * of DOS/Windows Zip archives. Currently very basic. */
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5c40ff |
+static CHARSET_MAP dos_charset_map[] = {
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5c40ff |
+ { "ANSI_X3.4-1968", "CP850" },
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5c40ff |
+ { "ISO-8859-1", "CP850" },
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5c40ff |
+ { "CP1252", "CP850" },
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5c40ff |
+ { "UTF-8", "CP866" },
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5c40ff |
+ { "KOI8-R", "CP866" },
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5c40ff |
+ { "KOI8-U", "CP866" },
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5c40ff |
+ { "ISO-8859-5", "CP866" }
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5c40ff |
+};
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5c40ff |
+
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5c40ff |
+char OEM_CP[MAX_CP_NAME] = "";
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5c40ff |
+char ISO_CP[MAX_CP_NAME] = "";
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5c40ff |
+
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5c40ff |
+/* Try to guess the default value of OEM_CP based on the current locale.
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5c40ff |
+ * ISO_CP is left alone for now. */
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5c40ff |
+void init_conversion_charsets()
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5c40ff |
+{
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5c40ff |
+ const char *local_charset;
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5c40ff |
+ int i;
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5c40ff |
+
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5c40ff |
+ /* Make a guess only if OEM_CP not already set. */
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5c40ff |
+ if(*OEM_CP == '\0') {
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5c40ff |
+ local_charset = nl_langinfo(CODESET);
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5c40ff |
+ for(i = 0; i < sizeof(dos_charset_map)/sizeof(CHARSET_MAP); i++)
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5c40ff |
+ if(!strcasecmp(local_charset, dos_charset_map[i].local_charset)) {
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5c40ff |
+ strncpy(OEM_CP, dos_charset_map[i].archive_charset,
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5c40ff |
+ sizeof(OEM_CP));
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5c40ff |
+ break;
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5c40ff |
+ }
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5c40ff |
+ }
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5c40ff |
+}
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5c40ff |
+
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5c40ff |
+/* Convert a string from one encoding to the current locale using iconv().
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5c40ff |
+ * Be as non-intrusive as possible. If error is encountered during covertion
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5c40ff |
+ * just leave the string intact. */
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5c40ff |
+static void charset_to_intern(char *string, char *from_charset)
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5c40ff |
+{
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5c40ff |
+ iconv_t cd;
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5c40ff |
+ char *s,*d, *buf;
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5c40ff |
+ size_t slen, dlen, buflen;
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5c40ff |
+ const char *local_charset;
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5c40ff |
+
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5c40ff |
+ if(*from_charset == '\0')
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5c40ff |
+ return;
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+
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5c40ff |
+ buf = NULL;
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5c40ff |
+ local_charset = nl_langinfo(CODESET);
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5c40ff |
+
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5c40ff |
+ if((cd = iconv_open(local_charset, from_charset)) == (iconv_t)-1)
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5c40ff |
+ return;
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5c40ff |
+
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5c40ff |
+ slen = strlen(string);
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5c40ff |
+ s = string;
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5c40ff |
+
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5c40ff |
+ /* Make sure OUTBUFSIZ + 1 never ends up smaller than FILNAMSIZ
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5c40ff |
+ * as this function also gets called with G.outbuf in fileio.c
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5c40ff |
+ */
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5c40ff |
+ buflen = FILNAMSIZ;
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5c40ff |
+ if (OUTBUFSIZ + 1 < FILNAMSIZ)
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5c40ff |
+ {
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5c40ff |
+ buflen = OUTBUFSIZ + 1;
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5c40ff |
+ }
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+
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+ d = buf = malloc(buflen);
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5c40ff |
+ if(!d)
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5c40ff |
+ goto cleanup;
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+
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5c40ff |
+ bzero(buf,buflen);
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5c40ff |
+ dlen = buflen - 1;
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5c40ff |
+
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5c40ff |
+ if(iconv(cd, &s, &slen, &d, &dlen) == (size_t)-1)
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5c40ff |
+ goto cleanup;
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5c40ff |
+ strncpy(string, buf, buflen);
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5c40ff |
+
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5c40ff |
+ cleanup:
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5c40ff |
+ free(buf);
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5c40ff |
+ iconv_close(cd);
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5c40ff |
+}
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5c40ff |
+
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5c40ff |
+/* Convert a string from OEM_CP to the current locale charset. */
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5c40ff |
+inline void oem_intern(char *string)
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5c40ff |
+{
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5c40ff |
+ charset_to_intern(string, OEM_CP);
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5c40ff |
+}
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5c40ff |
+
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5c40ff |
+/* Convert a string from ISO_CP to the current locale charset. */
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5c40ff |
+inline void iso_intern(char *string)
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5c40ff |
+{
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5c40ff |
+ charset_to_intern(string, ISO_CP);
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5c40ff |
+}
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5c40ff |
Index: unzip-6.0/unix/unxcfg.h
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5c40ff |
===================================================================
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5c40ff |
--- unzip-6.0.orig/unix/unxcfg.h 2015-02-11 08:46:43.675324290 -0500
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5c40ff |
+++ unzip-6.0/unix/unxcfg.h 2015-02-11 08:46:43.671324260 -0500
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5c40ff |
@@ -228,4 +228,30 @@
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/* wild_dir, dirname, wildname, matchname[], dirnamelen, have_dirname, */
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5c40ff |
/* and notfirstcall are used by do_wild(). */
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+
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5c40ff |
+#define MAX_CP_NAME 25
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+
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5c40ff |
+#ifdef SETLOCALE
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5c40ff |
+# undef SETLOCALE
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+#endif
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+#define SETLOCALE(category, locale) setlocale(category, locale)
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+#include <locale.h>
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5c40ff |
+
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5c40ff |
+#ifdef _ISO_INTERN
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5c40ff |
+# undef _ISO_INTERN
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5c40ff |
+#endif
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5c40ff |
+#define _ISO_INTERN(str1) iso_intern(str1)
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+
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5c40ff |
+#ifdef _OEM_INTERN
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5c40ff |
+# undef _OEM_INTERN
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5c40ff |
+#endif
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5c40ff |
+#ifndef IZ_OEM2ISO_ARRAY
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5c40ff |
+# define IZ_OEM2ISO_ARRAY
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5c40ff |
+#endif
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5c40ff |
+#define _OEM_INTERN(str1) oem_intern(str1)
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5c40ff |
+
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5c40ff |
+void iso_intern(char *);
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5c40ff |
+void oem_intern(char *);
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5c40ff |
+void init_conversion_charsets(void);
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5c40ff |
+
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5c40ff |
#endif /* !__unxcfg_h */
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5c40ff |
Index: unzip-6.0/unzip.c
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5c40ff |
===================================================================
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5c40ff |
--- unzip-6.0.orig/unzip.c 2015-02-11 08:46:43.675324290 -0500
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5c40ff |
+++ unzip-6.0/unzip.c 2015-02-11 08:46:43.675324290 -0500
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5c40ff |
@@ -327,12 +327,23 @@
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5c40ff |
-2 just filenames but allow -h/-t/-z -l long Unix \"ls -l\" format\n\
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5c40ff |
-v verbose, multi-page format\n";
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5c40ff |
+#ifndef UNIX
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static ZCONST char Far ZipInfoUsageLine3[] = "miscellaneous options:\n\
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5c40ff |
-h print header line -t print totals for listed files or for all\n\
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5c40ff |
-z print zipfile comment -T print file times in sortable decimal format\
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5c40ff |
\n -C be case-insensitive %s\
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5c40ff |
-U use escapes for all non-ASCII Unicode\n\
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5c40ff |
-x exclude filenames that follow from listing\n";
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5c40ff |
+#else /* UNIX */
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+static ZCONST char Far ZipInfoUsageLine3[] = "miscellaneous options:\n\
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5c40ff |
+ -h print header line -t print totals for listed files or for all\n\
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5c40ff |
+ -z print zipfile comment %c-T%c print file times in sortable decimal format\
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5c40ff |
+\n %c-C%c be case-insensitive %s\
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5c40ff |
+ -U use escapes for all non-ASCII Unicode\n\
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5c40ff |
+ -x exclude filenames that follow from listing\n\
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5c40ff |
+ -O CHARSET specify a character encoding for DOS, Windows and OS/2 archives\n\
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5c40ff |
+ -I CHARSET specify a character encoding for UNIX and other archives\n";
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5c40ff |
+#endif /* !UNIX */
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5c40ff |
#ifdef MORE
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5c40ff |
static ZCONST char Far ZipInfoUsageLine4[] =
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5c40ff |
" -M page output through built-in \"more\"\n";
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5c40ff |
@@ -664,6 +674,17 @@
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5c40ff |
-U use escapes for all non-ASCII Unicode -UU ignore any Unicode fields\n\
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5c40ff |
-C match filenames case-insensitively -L make (some) names \
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5c40ff |
lowercase\n %-42s -V retain VMS version numbers\n%s";
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5c40ff |
+#elif (defined UNIX)
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5c40ff |
+static ZCONST char Far UnzipUsageLine4[] = "\
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5c40ff |
+modifiers:\n\
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5c40ff |
+ -n never overwrite existing files -q quiet mode (-qq => quieter)\n\
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5c40ff |
+ -o overwrite files WITHOUT prompting -a auto-convert any text files\n\
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5c40ff |
+ -j junk paths (do not make directories) -aa treat ALL files as text\n\
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5c40ff |
+ -U use escapes for all non-ASCII Unicode -UU ignore any Unicode fields\n\
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5c40ff |
+ -C match filenames case-insensitively -L make (some) names \
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5c40ff |
+lowercase\n %-42s -V retain VMS version numbers\n%s\
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5c40ff |
+ -O CHARSET specify a character encoding for DOS, Windows and OS/2 archives\n\
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5c40ff |
+ -I CHARSET specify a character encoding for UNIX and other archives\n\n";
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5c40ff |
#else /* !VMS */
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5c40ff |
static ZCONST char Far UnzipUsageLine4[] = "\
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5c40ff |
modifiers:\n\
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5c40ff |
@@ -802,6 +823,10 @@
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5c40ff |
#endif /* UNICODE_SUPPORT */
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5c40ff |
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5c40ff |
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5c40ff |
+#ifdef UNIX
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5c40ff |
+ init_conversion_charsets();
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5c40ff |
+#endif
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5c40ff |
+
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5c40ff |
#if (defined(__IBMC__) && defined(__DEBUG_ALLOC__))
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5c40ff |
extern void DebugMalloc(void);
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5c40ff |
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5c40ff |
@@ -1335,6 +1360,11 @@
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5c40ff |
argc = *pargc;
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5c40ff |
argv = *pargv;
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5c40ff |
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5c40ff |
+#ifdef UNIX
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5c40ff |
+ extern char OEM_CP[MAX_CP_NAME];
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5c40ff |
+ extern char ISO_CP[MAX_CP_NAME];
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5c40ff |
+#endif
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5c40ff |
+
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5c40ff |
while (++argv, (--argc > 0 && *argv != NULL && **argv == '-')) {
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5c40ff |
s = *argv + 1;
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5c40ff |
while ((c = *s++) != 0) { /* "!= 0": prevent Turbo C warning */
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5c40ff |
@@ -1516,6 +1546,35 @@
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5c40ff |
}
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5c40ff |
break;
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5c40ff |
#endif /* MACOS */
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5c40ff |
+#ifdef UNIX
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5c40ff |
+ case ('I'):
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5c40ff |
+ if (negative) {
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5c40ff |
+ Info(slide, 0x401, ((char *)slide,
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5c40ff |
+ "error: encodings can't be negated"));
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5c40ff |
+ return(PK_PARAM);
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5c40ff |
+ } else {
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5c40ff |
+ if(*s) { /* Handle the -Icharset case */
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5c40ff |
+ /* Assume that charsets can't start with a dash to spot arguments misuse */
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|
5c40ff |
+ if(*s == '-') {
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|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
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5c40ff |
+ "error: a valid character encoding should follow the -I argument"));
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5c40ff |
+ return(PK_PARAM);
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|
5c40ff |
+ }
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5c40ff |
+ strncpy(ISO_CP, s, sizeof(ISO_CP));
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5c40ff |
+ } else { /* -I charset */
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|
5c40ff |
+ ++argv;
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5c40ff |
+ if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
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|
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5c40ff |
+ "error: a valid character encoding should follow the -I argument"));
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5c40ff |
+ return(PK_PARAM);
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|
5c40ff |
+ }
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5c40ff |
+ s = *argv;
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5c40ff |
+ strncpy(ISO_CP, s, sizeof(ISO_CP));
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5c40ff |
+ }
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5c40ff |
+ while(*(++s)); /* No params straight after charset name */
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5c40ff |
+ }
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5c40ff |
+ break;
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5c40ff |
+#endif /* ?UNIX */
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5c40ff |
case ('j'): /* junk pathnames/directory structure */
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5c40ff |
if (negative)
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|
5c40ff |
uO.jflag = FALSE, negative = 0;
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5c40ff |
@@ -1591,6 +1650,35 @@
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5c40ff |
} else
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5c40ff |
++uO.overwrite_all;
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|
5c40ff |
break;
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5c40ff |
+#ifdef UNIX
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5c40ff |
+ case ('O'):
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5c40ff |
+ if (negative) {
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|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
|
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5c40ff |
+ "error: encodings can't be negated"));
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5c40ff |
+ return(PK_PARAM);
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5c40ff |
+ } else {
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5c40ff |
+ if(*s) { /* Handle the -Ocharset case */
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5c40ff |
+ /* Assume that charsets can't start with a dash to spot arguments misuse */
|
|
|
5c40ff |
+ if(*s == '-') {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
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|
|
5c40ff |
+ "error: a valid character encoding should follow the -I argument"));
|
|
|
5c40ff |
+ return(PK_PARAM);
|
|
|
5c40ff |
+ }
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|
|
5c40ff |
+ strncpy(OEM_CP, s, sizeof(OEM_CP));
|
|
|
5c40ff |
+ } else { /* -O charset */
|
|
|
5c40ff |
+ ++argv;
|
|
|
5c40ff |
+ if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
|
|
|
5c40ff |
+ "error: a valid character encoding should follow the -O argument"));
|
|
|
5c40ff |
+ return(PK_PARAM);
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ s = *argv;
|
|
|
5c40ff |
+ strncpy(OEM_CP, s, sizeof(OEM_CP));
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ while(*(++s)); /* No params straight after charset name */
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ break;
|
|
|
5c40ff |
+#endif /* ?UNIX */
|
|
|
5c40ff |
case ('p'): /* pipes: extract to stdout, no messages */
|
|
|
5c40ff |
if (negative) {
|
|
|
5c40ff |
uO.cflag = FALSE;
|
|
|
5c40ff |
Index: unzip-6.0/unzpriv.h
|
|
|
5c40ff |
===================================================================
|
|
|
5c40ff |
--- unzip-6.0.orig/unzpriv.h 2015-02-11 08:46:43.675324290 -0500
|
|
|
5c40ff |
+++ unzip-6.0/unzpriv.h 2015-02-11 08:46:43.675324290 -0500
|
|
|
5c40ff |
@@ -3008,7 +3008,7 @@
|
|
|
5c40ff |
!(((islochdr) || (isuxatt)) && \
|
|
|
5c40ff |
((hostver) == 25 || (hostver) == 26 || (hostver) == 40))) || \
|
|
|
5c40ff |
(hostnum) == FS_HPFS_ || \
|
|
|
5c40ff |
- ((hostnum) == FS_NTFS_ && (hostver) == 50)) { \
|
|
|
5c40ff |
+ ((hostnum) == FS_NTFS_ /* && (hostver) == 50 */ )) { \
|
|
|
5c40ff |
_OEM_INTERN((string)); \
|
|
|
5c40ff |
} else { \
|
|
|
5c40ff |
_ISO_INTERN((string)); \
|
|
|
5c40ff |
Index: unzip-6.0/zipinfo.c
|
|
|
5c40ff |
===================================================================
|
|
|
5c40ff |
--- unzip-6.0.orig/zipinfo.c 2015-02-11 08:46:43.675324290 -0500
|
|
|
5c40ff |
+++ unzip-6.0/zipinfo.c 2015-02-11 08:46:43.675324290 -0500
|
|
|
5c40ff |
@@ -457,6 +457,10 @@
|
|
|
5c40ff |
int tflag_slm=TRUE, tflag_2v=FALSE;
|
|
|
5c40ff |
int explicit_h=FALSE, explicit_t=FALSE;
|
|
|
5c40ff |
|
|
|
5c40ff |
+#ifdef UNIX
|
|
|
5c40ff |
+ extern char OEM_CP[MAX_CP_NAME];
|
|
|
5c40ff |
+ extern char ISO_CP[MAX_CP_NAME];
|
|
|
5c40ff |
+#endif
|
|
|
5c40ff |
|
|
|
5c40ff |
#ifdef MACOS
|
|
|
5c40ff |
uO.lflag = LFLAG; /* reset default on each call */
|
|
|
5c40ff |
@@ -501,6 +505,35 @@
|
|
|
5c40ff |
uO.lflag = 0;
|
|
|
5c40ff |
}
|
|
|
5c40ff |
break;
|
|
|
5c40ff |
+#ifdef UNIX
|
|
|
5c40ff |
+ case ('I'):
|
|
|
5c40ff |
+ if (negative) {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
|
|
|
5c40ff |
+ "error: encodings can't be negated"));
|
|
|
5c40ff |
+ return(PK_PARAM);
|
|
|
5c40ff |
+ } else {
|
|
|
5c40ff |
+ if(*s) { /* Handle the -Icharset case */
|
|
|
5c40ff |
+ /* Assume that charsets can't start with a dash to spot arguments misuse */
|
|
|
5c40ff |
+ if(*s == '-') {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
|
|
|
5c40ff |
+ "error: a valid character encoding should follow the -I argument"));
|
|
|
5c40ff |
+ return(PK_PARAM);
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ strncpy(ISO_CP, s, sizeof(ISO_CP));
|
|
|
5c40ff |
+ } else { /* -I charset */
|
|
|
5c40ff |
+ ++argv;
|
|
|
5c40ff |
+ if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
|
|
|
5c40ff |
+ "error: a valid character encoding should follow the -I argument"));
|
|
|
5c40ff |
+ return(PK_PARAM);
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ s = *argv;
|
|
|
5c40ff |
+ strncpy(ISO_CP, s, sizeof(ISO_CP));
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ while(*(++s)); /* No params straight after charset name */
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ break;
|
|
|
5c40ff |
+#endif /* ?UNIX */
|
|
|
5c40ff |
case 'l': /* longer form of "ls -l" type listing */
|
|
|
5c40ff |
if (negative)
|
|
|
5c40ff |
uO.lflag = -2, negative = 0;
|
|
|
5c40ff |
@@ -521,6 +554,35 @@
|
|
|
5c40ff |
G.M_flag = TRUE;
|
|
|
5c40ff |
break;
|
|
|
5c40ff |
#endif
|
|
|
5c40ff |
+#ifdef UNIX
|
|
|
5c40ff |
+ case ('O'):
|
|
|
5c40ff |
+ if (negative) {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
|
|
|
5c40ff |
+ "error: encodings can't be negated"));
|
|
|
5c40ff |
+ return(PK_PARAM);
|
|
|
5c40ff |
+ } else {
|
|
|
5c40ff |
+ if(*s) { /* Handle the -Ocharset case */
|
|
|
5c40ff |
+ /* Assume that charsets can't start with a dash to spot arguments misuse */
|
|
|
5c40ff |
+ if(*s == '-') {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
|
|
|
5c40ff |
+ "error: a valid character encoding should follow the -I argument"));
|
|
|
5c40ff |
+ return(PK_PARAM);
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ strncpy(OEM_CP, s, sizeof(OEM_CP));
|
|
|
5c40ff |
+ } else { /* -O charset */
|
|
|
5c40ff |
+ ++argv;
|
|
|
5c40ff |
+ if(!(--argc > 0 && *argv != NULL && **argv != '-')) {
|
|
|
5c40ff |
+ Info(slide, 0x401, ((char *)slide,
|
|
|
5c40ff |
+ "error: a valid character encoding should follow the -O argument"));
|
|
|
5c40ff |
+ return(PK_PARAM);
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ s = *argv;
|
|
|
5c40ff |
+ strncpy(OEM_CP, s, sizeof(OEM_CP));
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ while(*(++s)); /* No params straight after charset name */
|
|
|
5c40ff |
+ }
|
|
|
5c40ff |
+ break;
|
|
|
5c40ff |
+#endif /* ?UNIX */
|
|
|
5c40ff |
case 's': /* default: shorter "ls -l" type listing */
|
|
|
5c40ff |
if (negative)
|
|
|
5c40ff |
uO.lflag = -2, negative = 0;
|