Thread (9 messages) 9 messages, 3 authors, 2016-06-21

Re: [PATCH iproute2 net-next v3 1/5] json_writer: allow base json data type to be array or object

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From: Stephen Hemminger <stephen@networkplumber.org>
Date: 2016-06-21 16:13:49
Subsystem: library code, the rest · Maintainers: Andrew Morton, Linus Torvalds

On Mon, 20 Jun 2016 23:39:43 -0700
Roopa Prabhu [off-list ref] wrote:
From: Anuradha Karuppiah <redacted>

This patch adds a type qualifier to json_writer. Type can be a
json object or array. This can be extended to other types like
json-string, json-number etc in the future.

Signed-off-by: Anuradha Karuppiah <redacted>
Since json writer is not used in many places yet, why not just
get rid of the automatic object in the constructor.


diff --git a/lib/json_writer.c b/lib/json_writer.c
index 2af16e1..5e588d8 100644
--- a/lib/json_writer.c
+++ b/lib/json_writer.c
@@ -102,7 +102,6 @@ json_writer_t *jsonw_new(FILE *f)
 		self->depth = 0;
 		self->pretty = false;
 		self->sep = '\0';
-		putc('{', self->out);
 	}
 	return self;
 }
@@ -114,7 +113,6 @@ void jsonw_destroy(json_writer_t **self_p)
 
 	assert(self->depth == 0);
 	jsonw_eol(self);
-	fputs("}\n", self->out);
 	fflush(self->out);
 	free(self);
 	*self_p = NULL;
diff --git a/misc/ifstat.c b/misc/ifstat.c
index abbb4e7..d9a7e50 100644
--- a/misc/ifstat.c
+++ b/misc/ifstat.c
@@ -246,7 +246,6 @@ static void dump_raw_db(FILE *fp, int to_hist)
 	h = hist_db;
 	if (jw) {
 		jsonw_pretty(jw, pretty);
-		jsonw_name(jw, info_source);
 		jsonw_start_object(jw);
 	} else
 		fprintf(fp, "#%s\n", info_source);
@@ -452,7 +451,6 @@ static void dump_kern_db(FILE *fp)
 
 	if (jw) {
 		jsonw_pretty(jw, pretty);
-		jsonw_name(jw, info_source);
 		jsonw_start_object(jw);
 	} else
 		print_head(fp);
@@ -466,8 +464,10 @@ static void dump_kern_db(FILE *fp)
 		else
 			print_one_if(fp, n, n->val);
 	}
-	if (json_output)
-		fprintf(fp, "\n} }\n");
+	if (jw) {
+		jsonw_end_object(jw);
+		jsonw_destroy(&jw);
+	}
 }
 
 static void dump_incr_db(FILE *fp)
@@ -478,7 +478,6 @@ static void dump_incr_db(FILE *fp)
 	h = hist_db;
 	if (jw) {
 		jsonw_pretty(jw, pretty);
-		jsonw_name(jw, info_source);
 		jsonw_start_object(jw);
 	} else
 		print_head(fp);
diff --git a/misc/nstat.c b/misc/nstat.c
index a9e0f20..411cd87 100644
--- a/misc/nstat.c
+++ b/misc/nstat.c
@@ -285,7 +285,6 @@ static void dump_kern_db(FILE *fp, int to_hist)
 	h = hist_db;
 	if (jw) {
 		jsonw_pretty(jw, pretty);
-		jsonw_name(jw, info_source);
 		jsonw_start_object(jw);
 	} else
 		fprintf(fp, "#%s\n", info_source);
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