X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Frfc822%2Fexamples%2Fheadernames.c;fp=ccan%2Frfc822%2Fexamples%2Fheadernames.c;h=161ceab322be489892fd2f18a460019e8be0b264;hp=0000000000000000000000000000000000000000;hb=affb2280db6983da455a73a2dd078f1d3f0e7268;hpb=049ae7d0ade969c44d0ffab043f507fa7827bf09

diff --git a/ccan/rfc822/examples/headernames.c b/ccan/rfc822/examples/headernames.c
new file mode 100644
index 00000000..161ceab3
--- /dev/null
+++ b/ccan/rfc822/examples/headernames.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <ccan/talloc/talloc.h>
+#include <ccan/grab_file/grab_file.h>
+#include <ccan/rfc822/rfc822.h>
+
+static void process_file(const char *name)
+{
+	void *ctx = talloc_new(NULL);
+	size_t size;
+	void *buf;
+	struct rfc822_msg *msg;
+	struct rfc822_header *hdr;
+
+	buf = grab_file(ctx, name, &size);
+
+	msg = rfc822_start(ctx, buf, size);
+
+	rfc822_for_each_header(msg, hdr) {
+		struct bytestring hname = rfc822_header_raw_name(msg, hdr);
+
+		printf("%.*s\n", hname.len, hname.ptr);
+	}
+
+	talloc_free(ctx);
+}
+
+int main(int argc, char *argv[])
+{
+	int i;
+
+	for (i = 0; i < (argc - 1); i++)
+		process_file(argv[i + 1]);
+
+	exit(0);
+}