MINOR: stats: add a function to emit fields into a chunk
New function stats_emit_raw_data_field() may be used to write a field
into a chunk. It takes care of the field format to know how to print
it.
diff --git a/src/dumpstats.c b/src/dumpstats.c
index 6947ee6..4f21eea 100644
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -2808,6 +2808,22 @@
si->state, req->flags, res->flags, req->buf->i, req->buf->o, res->buf->i, res->buf->o);
}
+/* Emits a stats field without any surrounding element and properly encoded to
+ * resist CSV output. Returns non-zero on success, 0 if the buffer is full.
+ */
+static int stats_emit_raw_data_field(struct chunk *out, const struct field *f)
+{
+ switch (field_format(f, 0)) {
+ case FF_EMPTY: return 1;
+ case FF_S32: return chunk_appendf(out, "%d", f->u.s32);
+ case FF_U32: return chunk_appendf(out, "%u", f->u.u32);
+ case FF_S64: return chunk_appendf(out, "%lld", (long long)f->u.s64);
+ case FF_U64: return chunk_appendf(out, "%llu", (unsigned long long)f->u.u64);
+ case FF_STR: return csv_enc_append(field_str(f, 0), 1, out) != NULL;
+ default: return chunk_appendf(out, "[INCORRECT_FIELD_TYPE_%08x]", f->type);
+ }
+}
+
/* This function dumps information onto the stream interface's read buffer.
* It returns 0 as long as it does not complete, non-zero upon completion.
* No state is used.