From 32e06d22c906f66f6cb94c942da0ab06bce53f14 Mon Sep 17 00:00:00 2001
From: Justus Winter <justus@sequoia-pgp.org>
Date: Tue, 8 Jan 2019 12:35:22 +0100
Subject: ffi: Add armor example.

---
 ffi/examples/.gitignore |  1 +
 ffi/examples/Makefile   |  2 +-
 ffi/examples/armor.c    | 72 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 ffi/examples/armor.c

(limited to 'ffi')

diff --git a/ffi/examples/.gitignore b/ffi/examples/.gitignore
index 396865df..17a9b656 100644
--- a/ffi/examples/.gitignore
+++ b/ffi/examples/.gitignore
@@ -4,3 +4,4 @@ keyserver
 reader
 parser
 encrypt-for
+armor
diff --git a/ffi/examples/Makefile b/ffi/examples/Makefile
index d27526ad..4ca01078 100644
--- a/ffi/examples/Makefile
+++ b/ffi/examples/Makefile
@@ -5,7 +5,7 @@ CARGO_TARGET_DIR	?= $(shell pwd)/../../target
 # We currently only support absolute paths.
 CARGO_TARGET_DIR	:= $(abspath $(CARGO_TARGET_DIR))
 
-TARGETS = example keyserver configure reader parser encrypt-for
+TARGETS = example keyserver configure reader parser encrypt-for armor
 CFLAGS  = -I../include -O0 -g -Wall -Werror
 LDFLAGS = -L$(CARGO_TARGET_DIR)/debug -lsequoia_ffi
 
diff --git a/ffi/examples/armor.c b/ffi/examples/armor.c
new file mode 100644
index 00000000..a2643667
--- /dev/null
+++ b/ffi/examples/armor.c
@@ -0,0 +1,72 @@
+#define _GNU_SOURCE
+#include <assert.h>
+#include <error.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sequoia.h>
+
+const char *armored =
+  "-----BEGIN PGP ARMORED FILE-----\n"
+  "Key0: Value0\n"
+  "Key1: Value1\n"
+  "\n"
+  "SGVsbG8gd29ybGQh\n"
+  "=s4Gu\n"
+  "-----END PGP ARMORED FILE-----\n";
+
+int
+main (int argc, char **argv)
+{
+  sq_error_t err;
+  sq_context_t ctx;
+  sq_reader_t bytes;
+  sq_reader_t armor;
+  sq_armor_kind_t kind;
+  char message[12];
+  sq_armor_header_t *header;
+  size_t header_len;
+
+  ctx = sq_context_new ("org.sequoia-pgp.example", &err);
+  if (ctx == NULL)
+    error (1, 0, "Initializing sequoia failed: %s",
+           sq_error_string (err));
+
+  bytes = sq_reader_from_bytes ((uint8_t *) armored, strlen (armored));
+  armor = sq_armor_reader_new (bytes, SQ_ARMOR_KIND_ANY);
+
+  header = sq_armor_reader_headers (ctx, armor, &header_len);
+  if (header == NULL)
+    error (1, 0, "Getting headers failed: %s",
+           sq_error_string (err));
+
+  assert (header_len == 2);
+  assert (strcmp (header[0].key, "Key0") == 0
+          && strcmp (header[0].value, "Value0") == 0);
+  assert (strcmp (header[1].key, "Key1") == 0
+          && strcmp (header[1].value, "Value1") == 0);
+  for (size_t i = 0; i < header_len; i++)
+    {
+      free (header[i].key);
+      free (header[i].value);
+    }
+  free (header);
+
+  kind = sq_armor_reader_kind (armor);
+  assert (kind == SQ_ARMOR_KIND_FILE);
+
+  if (sq_reader_read (ctx, armor, (uint8_t *) message, 12) < 0)
+    {
+      err = sq_context_last_error (ctx);
+      error (1, 0, "Reading failed: %s",
+	     sq_error_string (err));
+    }
+
+  assert (memcmp (message, "Hello world!", 12) == 0);
+
+  sq_reader_free (armor);
+  sq_reader_free (bytes);
+  sq_context_free (ctx);
+  return 0;
+}
-- 
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