jobextra/p7zip/oemcp-iconv.patch
2023-10-26 22:03:22 +03:00

112 lines
4.9 KiB
Diff

From c104127e6a9364b8d6a1d79012e5249a129c3857 Mon Sep 17 00:00:00 2001
From: unxed <unxed@mail.ru>
Date: Fri, 17 Jul 2020 12:15:53 +0300
Subject: [PATCH] Use system locale to select OEM code page for zip archives
made on dos/windows. Can be overriden with OEMCP environment variable.
---
CPP/7zip/Archive/Zip/ZipItem.cpp | 85 ++++++++++++++++++++++++++++++++
1 file changed, 85 insertions(+)
diff --git a/CPP/7zip/Archive/Zip/ZipItem.cpp b/CPP/7zip/Archive/Zip/ZipItem.cpp
index 885a43cd..7e11b197 100644
--- a/CPP/7zip/Archive/Zip/ZipItem.cpp
+++ b/CPP/7zip/Archive/Zip/ZipItem.cpp
@@ -1,5 +1,10 @@
// Archive/ZipItem.cpp
+#ifndef _WIN32
+#include <iconv.h>
+#include <locale.h>
+#endif
+
#include "StdAfx.h"
#include "../../../../C/CpuArch.h"
@@ -350,6 +355,86 @@ void CItem::GetUnicodeString(UString &res, const AString &s, bool isComment, boo
#endif
}
+ #ifndef _WIN32
+ // Convert OEM char set to UTF-8 if needed
+ // Use system locale to select code page
+
+ Byte hostOS = GetHostOS();
+ if (!isUtf8 && ((hostOS == NFileHeader::NHostOS::kFAT) || (hostOS == NFileHeader::NHostOS::kNTFS))) {
+
+ const char *oemcp;
+ oemcp = getenv("OEMCP");
+ if (!oemcp) {
+ oemcp = "CP437\0"; // CP name is 6 chars max
+
+ const char *lc_to_cp_table[] = {
+ "af_ZA", "CP850", "ar_SA", "CP720", "ar_LB", "CP720", "ar_EG", "CP720",
+ "ar_DZ", "CP720", "ar_BH", "CP720", "ar_IQ", "CP720", "ar_JO", "CP720",
+ "ar_KW", "CP720", "ar_LY", "CP720", "ar_MA", "CP720", "ar_OM", "CP720",
+ "ar_QA", "CP720", "ar_SY", "CP720", "ar_TN", "CP720", "ar_AE", "CP720",
+ "ar_YE", "CP720","ast_ES", "CP850", "az_AZ", "CP866", "az_AZ", "CP857",
+ "be_BY", "CP866", "bg_BG", "CP866", "br_FR", "CP850", "ca_ES", "CP850",
+ "zh_CN", "CP936", "zh_TW", "CP950", "kw_GB", "CP850", "cs_CZ", "CP852",
+ "cy_GB", "CP850", "da_DK", "CP850", "de_AT", "CP850", "de_LI", "CP850",
+ "de_LU", "CP850", "de_CH", "CP850", "de_DE", "CP850", "el_GR", "CP737",
+ "en_AU", "CP850", "en_CA", "CP850", "en_GB", "CP850", "en_IE", "CP850",
+ "en_JM", "CP850", "en_BZ", "CP850", "en_PH", "CP437", "en_ZA", "CP437",
+ "en_TT", "CP850", "en_US", "CP437", "en_ZW", "CP437", "en_NZ", "CP850",
+ "es_PA", "CP850", "es_BO", "CP850", "es_CR", "CP850", "es_DO", "CP850",
+ "es_SV", "CP850", "es_EC", "CP850", "es_GT", "CP850", "es_HN", "CP850",
+ "es_NI", "CP850", "es_CL", "CP850", "es_MX", "CP850", "es_ES", "CP850",
+ "es_CO", "CP850", "es_ES", "CP850", "es_PE", "CP850", "es_AR", "CP850",
+ "es_PR", "CP850", "es_VE", "CP850", "es_UY", "CP850", "es_PY", "CP850",
+ "et_EE", "CP775", "eu_ES", "CP850", "fa_IR", "CP720", "fi_FI", "CP850",
+ "fo_FO", "CP850", "fr_FR", "CP850", "fr_BE", "CP850", "fr_CA", "CP850",
+ "fr_LU", "CP850", "fr_MC", "CP850", "fr_CH", "CP850", "ga_IE", "CP437",
+ "gd_GB", "CP850", "gv_IM", "CP850", "gl_ES", "CP850", "he_IL", "CP862",
+ "hr_HR", "CP852", "hu_HU", "CP852", "id_ID", "CP850", "is_IS", "CP850",
+ "it_IT", "CP850", "it_CH", "CP850", "iv_IV", "CP437", "ja_JP", "CP932",
+ "kk_KZ", "CP866", "ko_KR", "CP949", "ky_KG", "CP866", "lt_LT", "CP775",
+ "lv_LV", "CP775", "mk_MK", "CP866", "mn_MN", "CP866", "ms_BN", "CP850",
+ "ms_MY", "CP850", "nl_BE", "CP850", "nl_NL", "CP850", "nl_SR", "CP850",
+ "nn_NO", "CP850", "nb_NO", "CP850", "pl_PL", "CP852", "pt_BR", "CP850",
+ "pt_PT", "CP850", "rm_CH", "CP850", "ro_RO", "CP852", "ru_RU", "CP866",
+ "sk_SK", "CP852", "sl_SI", "CP852", "sq_AL", "CP852", "sr_RS", "CP855",
+ "sr_RS", "CP852", "sv_SE", "CP850", "sv_FI", "CP850", "sw_KE", "CP437",
+ "th_TH", "CP874", "tr_TR", "CP857", "tt_RU", "CP866", "uk_UA", "CP866",
+ "ur_PK", "CP720", "uz_UZ", "CP866", "uz_UZ", "CP857", "vi_VN", "CP1258",
+ "wa_BE", "CP850", "zh_HK", "CP950", "zh_SG", "CP936"};
+ int table_len = sizeof(lc_to_cp_table) / sizeof(char *);
+ int lc_len, i;
+
+ char *lc = setlocale(LC_CTYPE, "");
+
+ if (lc && lc[0]) {
+ // Compare up to the dot, if it exists, e.g. en_US.UTF-8
+ for (lc_len = 0; lc[lc_len] != '.' && lc[lc_len] != '\0'; ++lc_len)
+ ;
+ for (i = 0; i < table_len; i += 2)
+ if (strncmp(lc, lc_to_cp_table[i], lc_len) == 0)
+ oemcp = lc_to_cp_table[i + 1];
+ }
+ }
+
+ iconv_t cd;
+ if ((cd = iconv_open("UTF-8", oemcp)) != (iconv_t)-1) {
+
+ AString s_utf8;
+ const char* src = s.Ptr();
+ size_t slen = s.Len();
+ size_t dlen = slen * 4;
+ const char* dest = s_utf8.GetBuf_SetEnd(dlen + 1); // (source length * 4) + null termination
+
+ size_t done = iconv(cd, (char**)&src, &slen, (char**)&dest, &dlen);
+ bzero((size_t*)dest + done, 1);
+
+ iconv_close(cd);
+
+ if (ConvertUTF8ToUnicode(s_utf8, res) || ignore_Utf8_Errors)
+ return;
+ }
+ }
+ #endif
if (isUtf8)
if (ConvertUTF8ToUnicode(s, res) || ignore_Utf8_Errors)