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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 09:59:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 09:59:15 +0000
commit8de1ee1b2b676b0d07586f0752750dd6b0fb7511 (patch)
treedd46fd7dc3863045696cd0e48032d8a36fa0daf5 /common/asshelp2.c
parentInitial commit. (diff)
downloadgnupg2-8de1ee1b2b676b0d07586f0752750dd6b0fb7511.tar.xz
gnupg2-8de1ee1b2b676b0d07586f0752750dd6b0fb7511.zip
Adding upstream version 2.2.27.upstream/2.2.27upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'common/asshelp2.c')
-rw-r--r--common/asshelp2.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/common/asshelp2.c b/common/asshelp2.c
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+/* asshelp2.c - More helper functions for Assuan
+ * Copyright (C) 2012 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of either
+ *
+ * - the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * or
+ *
+ * - the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * or both in parallel, as here.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <assuan.h>
+
+#include "util.h"
+#include "asshelp.h"
+
+/* Helper function to print an assuan status line using a printf
+ format string. */
+gpg_error_t
+vprint_assuan_status (assuan_context_t ctx,
+ const char *keyword,
+ const char *format, va_list arg_ptr)
+{
+ int rc;
+ char *buf;
+
+ rc = gpgrt_vasprintf (&buf, format, arg_ptr);
+ if (rc < 0)
+ return gpg_err_make (default_errsource, gpg_err_code_from_syserror ());
+ rc = assuan_write_status (ctx, keyword, buf);
+ xfree (buf);
+ return rc;
+}
+
+
+/* Helper function to print an assuan status line using a printf
+ format string. */
+gpg_error_t
+print_assuan_status (assuan_context_t ctx,
+ const char *keyword,
+ const char *format, ...)
+{
+ va_list arg_ptr;
+ gpg_error_t err;
+
+ va_start (arg_ptr, format);
+ err = vprint_assuan_status (ctx, keyword, format, arg_ptr);
+ va_end (arg_ptr);
+ return err;
+}
+
+
+/* Helper function to print a list of strings as an assuan status
+ * line. KEYWORD is the first item on the status line. ARG_PTR is a
+ * list of strings which are all separated by a space in the output.
+ * The last argument must be a NULL. Linefeeds and carriage returns
+ * characters (which are not allowed in an Assuan status line) are
+ * silently quoted in C-style. */
+gpg_error_t
+vprint_assuan_status_strings (assuan_context_t ctx,
+ const char *keyword, va_list arg_ptr)
+{
+ gpg_error_t err = 0;
+ const char *text;
+ char buf[950], *p;
+ size_t n;
+
+ p = buf;
+ n = 0;
+ while ((text = va_arg (arg_ptr, const char *)) && n < DIM (buf)-3 )
+ {
+ if (n)
+ {
+ *p++ = ' ';
+ n++;
+ }
+ for ( ; *text && n < DIM (buf)-3; n++, text++)
+ {
+ if (*text == '\n')
+ {
+ *p++ = '\\';
+ *p++ = 'n';
+ n++;
+ }
+ else if (*text == '\r')
+ {
+ *p++ = '\\';
+ *p++ = 'r';
+ n++;
+ }
+ else
+ *p++ = *text;
+ }
+ }
+ *p = 0;
+ err = assuan_write_status (ctx, keyword, buf);
+
+ return err;
+}
+
+
+/* See vprint_assuan_status_strings. */
+gpg_error_t
+print_assuan_status_strings (assuan_context_t ctx, const char *keyword, ...)
+{
+ va_list arg_ptr;
+ gpg_error_t err;
+
+ va_start (arg_ptr, keyword);
+ err = vprint_assuan_status_strings (ctx, keyword, arg_ptr);
+ va_end (arg_ptr);
+ return err;
+}