On 10/13/20 1:43 AM, Yonggang Luo wrote:
msys2/mingw lacks the POSIX-required langinfo.h.

gcc test.c -DNCURSES_WIDECHAR -I/mingw64/include/ncursesw -pipe -lncursesw 
-lgnurx -ltre -lintl -liconv
test.c:4:10: fatal error: langinfo.h: No such file or directory
     4 | #include <langinfo.h>
       |          ^~~~~~~~~~~~
compilation terminated.

So we using g_get_codeset instead of nl_langinfo(CODESET)

Signed-off-by: Yonggang Luo <luoyongg...@gmail.com>
Reviewed-by: Gerd Hoffmann <kra...@redhat.com>
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
---
  configure   |  5 +----
  ui/curses.c | 10 +++++-----
  2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/configure b/configure
index 1b63488521..71a574f718 100755
--- a/configure
+++ b/configure
@@ -3530,17 +3530,14 @@ if test "$curses" != "no" ; then
  #include <locale.h>
  #include <curses.h>
  #include <wchar.h>
-#include <langinfo.h>
  int main(void) {
-  const char *codeset;
    wchar_t wch = L'w';
    setlocale(LC_ALL, "");
    resize_term(0, 0);
    addwstr(L"wide chars\n");
    addnwstr(&wch, 1);
    add_wch(WACS_DEGREE);
-  codeset = nl_langinfo(CODESET);
-  return codeset != 0;
+  return 0;
  }
  EOF
    IFS=:
diff --git a/ui/curses.c b/ui/curses.c
index a59b23a9cf..12bc682cf9 100644
--- a/ui/curses.c
+++ b/ui/curses.c
@@ -30,7 +30,6 @@
  #endif
  #include <locale.h>
  #include <wchar.h>
-#include <langinfo.h>
  #include <iconv.h>
#include "qapi/error.h"
@@ -526,6 +525,7 @@ static void font_setup(void)
      iconv_t nativecharset_to_ucs2;
      iconv_t font_conv;
      int i;
+    g_autofree gchar *local_codeset = g_get_codeset();
/*
       * Control characters are normally non-printable, but VGA does have
@@ -566,14 +566,14 @@ static void font_setup(void)
        0x25bc
      };
- ucs2_to_nativecharset = iconv_open(nl_langinfo(CODESET), "UCS-2");
+    ucs2_to_nativecharset = iconv_open(local_codeset, "UCS-2");
      if (ucs2_to_nativecharset == (iconv_t) -1) {
          fprintf(stderr, "Could not convert font glyphs from UCS-2: '%s'\n",
                          strerror(errno));
          exit(1);
      }
- nativecharset_to_ucs2 = iconv_open("UCS-2", nl_langinfo(CODESET));
+    nativecharset_to_ucs2 = iconv_open("UCS-2", local_codeset);
      if (nativecharset_to_ucs2 == (iconv_t) -1) {
          iconv_close(ucs2_to_nativecharset);
          fprintf(stderr, "Could not convert font glyphs to UCS-2: '%s'\n",
@@ -581,7 +581,7 @@ static void font_setup(void)
          exit(1);
      }
- font_conv = iconv_open(nl_langinfo(CODESET), font_charset);
+    font_conv = iconv_open(local_codeset, font_charset);
      if (font_conv == (iconv_t) -1) {
          iconv_close(ucs2_to_nativecharset);
          iconv_close(nativecharset_to_ucs2);
@@ -602,7 +602,7 @@ static void font_setup(void)
      /* DEL */
      convert_ucs(0x7F, 0x2302, ucs2_to_nativecharset);
- if (strcmp(nl_langinfo(CODESET), "UTF-8")) {
+    if (strcmp(local_codeset, "UTF-8")) {
          /* Non-Unicode capable, use termcap equivalents for those available */
          for (i = 0; i <= 0xFF; i++) {
              wchar_t wch[CCHARW_MAX];


Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>


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