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From 8de9593bb9dc05cb1be593a237682e8707e41aa9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= <toke@toke.dk>
Date: Wed, 25 Apr 2018 16:19:35 +0200
Subject: [PATCH] json_print: Fix hidden 64-bit type promotion
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
print_uint() will silently promote its variable type to uint64_t, but there
is nothing that ensures that the format string specifier passed along with
it fits (and the function name suggest to pass "%u").
Fix this by changing print_uint() to use a native 'unsigned int' type, and
introduce a separate print_u64() function for printing 64-bit values. All
call sites that were actually printing 64-bit values using print_uint() are
converted to use print_u64() instead.
Since print_int() was already using native int types, just add a
print_s64() to match, but don't convert any call sites.
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
---
include/json_print.h | 4 +++-
include/json_writer.h | 12 ++++++----
ip/ipaddress.c | 62 +++++++++++++++++++++++++--------------------------
ip/ipmacsec.c | 8 +++----
ip/ipmroute.c | 6 ++---
lib/json_print.c | 4 +++-
lib/json_writer.c | 30 +++++++++++++++++++++----
7 files changed, 78 insertions(+), 48 deletions(-)
--- a/include/json_print.h
+++ b/include/json_print.h
@@ -56,10 +56,12 @@ void close_json_array(enum output_type t
print_color_##type_name(t, COLOR_NONE, key, fmt, value); \
}
_PRINT_FUNC(int, int);
+_PRINT_FUNC(s64, int64_t);
_PRINT_FUNC(bool, bool);
_PRINT_FUNC(null, const char*);
_PRINT_FUNC(string, const char*);
-_PRINT_FUNC(uint, uint64_t);
+_PRINT_FUNC(uint, unsigned int);
+_PRINT_FUNC(u64, uint64_t);
_PRINT_FUNC(hu, unsigned short);
_PRINT_FUNC(hex, unsigned int);
_PRINT_FUNC(0xhex, unsigned int);
--- a/include/json_writer.h
+++ b/include/json_writer.h
@@ -34,9 +34,11 @@ void jsonw_string(json_writer_t *self, c
void jsonw_bool(json_writer_t *self, bool value);
void jsonw_float(json_writer_t *self, double number);
void jsonw_float_fmt(json_writer_t *self, const char *fmt, double num);
-void jsonw_uint(json_writer_t *self, uint64_t number);
+void jsonw_uint(json_writer_t *self, unsigned int number);
+void jsonw_u64(json_writer_t *self, uint64_t number);
void jsonw_hu(json_writer_t *self, unsigned short number);
-void jsonw_int(json_writer_t *self, int64_t number);
+void jsonw_int(json_writer_t *self, int number);
+void jsonw_s64(json_writer_t *self, int64_t number);
void jsonw_null(json_writer_t *self);
void jsonw_lluint(json_writer_t *self, unsigned long long int num);
@@ -44,9 +46,11 @@ void jsonw_lluint(json_writer_t *self, u
void jsonw_string_field(json_writer_t *self, const char *prop, const char *val);
void jsonw_bool_field(json_writer_t *self, const char *prop, bool value);
void jsonw_float_field(json_writer_t *self, const char *prop, double num);
-void jsonw_uint_field(json_writer_t *self, const char *prop, uint64_t num);
+void jsonw_uint_field(json_writer_t *self, const char *prop, unsigned int num);
+void jsonw_u64_field(json_writer_t *self, const char *prop, uint64_t num);
void jsonw_hu_field(json_writer_t *self, const char *prop, unsigned short num);
-void jsonw_int_field(json_writer_t *self, const char *prop, int64_t num);
+void jsonw_int_field(json_writer_t *self, const char *prop, int num);
+void jsonw_s64_field(json_writer_t *self, const char *prop, int64_t num);
void jsonw_null_field(json_writer_t *self, const char *prop);
void jsonw_lluint_field(json_writer_t *self, const char *prop,
unsigned long long int num);
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -555,21 +555,21 @@ static void print_vf_stats64(FILE *fp, s
/* RX stats */
open_json_object("rx");
- print_uint(PRINT_JSON, "bytes", NULL,
+ print_u64(PRINT_JSON, "bytes", NULL,
rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
- print_uint(PRINT_JSON, "packets", NULL,
+ print_u64(PRINT_JSON, "packets", NULL,
rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
- print_uint(PRINT_JSON, "multicast", NULL,
+ print_u64(PRINT_JSON, "multicast", NULL,
rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
- print_uint(PRINT_JSON, "broadcast", NULL,
+ print_u64(PRINT_JSON, "broadcast", NULL,
rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
close_json_object();
/* TX stats */
open_json_object("tx");
- print_uint(PRINT_JSON, "tx_bytes", NULL,
+ print_u64(PRINT_JSON, "tx_bytes", NULL,
rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
- print_uint(PRINT_JSON, "tx_packets", NULL,
+ print_u64(PRINT_JSON, "tx_packets", NULL,
rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
close_json_object();
close_json_object();
@@ -602,50 +602,50 @@ static void print_link_stats64(FILE *fp,
/* RX stats */
open_json_object("rx");
- print_uint(PRINT_JSON, "bytes", NULL, s->rx_bytes);
- print_uint(PRINT_JSON, "packets", NULL, s->rx_packets);
- print_uint(PRINT_JSON, "errors", NULL, s->rx_errors);
- print_uint(PRINT_JSON, "dropped", NULL, s->rx_dropped);
- print_uint(PRINT_JSON, "over_errors", NULL, s->rx_over_errors);
- print_uint(PRINT_JSON, "multicast", NULL, s->multicast);
+ print_u64(PRINT_JSON, "bytes", NULL, s->rx_bytes);
+ print_u64(PRINT_JSON, "packets", NULL, s->rx_packets);
+ print_u64(PRINT_JSON, "errors", NULL, s->rx_errors);
+ print_u64(PRINT_JSON, "dropped", NULL, s->rx_dropped);
+ print_u64(PRINT_JSON, "over_errors", NULL, s->rx_over_errors);
+ print_u64(PRINT_JSON, "multicast", NULL, s->multicast);
if (s->rx_compressed)
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"compressed",
NULL, s->rx_compressed);
/* RX error stats */
if (show_stats > 1) {
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"length_errors",
NULL, s->rx_length_errors);
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"crc_errors",
NULL, s->rx_crc_errors);
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"frame_errors",
NULL, s->rx_frame_errors);
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"fifo_errors",
NULL, s->rx_fifo_errors);
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"missed_errors",
NULL, s->rx_missed_errors);
if (s->rx_nohandler)
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"nohandler", NULL, s->rx_nohandler);
}
close_json_object();
/* TX stats */
open_json_object("tx");
- print_uint(PRINT_JSON, "bytes", NULL, s->tx_bytes);
- print_uint(PRINT_JSON, "packets", NULL, s->tx_packets);
- print_uint(PRINT_JSON, "errors", NULL, s->tx_errors);
- print_uint(PRINT_JSON, "dropped", NULL, s->tx_dropped);
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON, "bytes", NULL, s->tx_bytes);
+ print_u64(PRINT_JSON, "packets", NULL, s->tx_packets);
+ print_u64(PRINT_JSON, "errors", NULL, s->tx_errors);
+ print_u64(PRINT_JSON, "dropped", NULL, s->tx_dropped);
+ print_u64(PRINT_JSON,
"carrier_errors",
NULL, s->tx_carrier_errors);
- print_uint(PRINT_JSON, "collisions", NULL, s->collisions);
+ print_u64(PRINT_JSON, "collisions", NULL, s->collisions);
if (s->tx_compressed)
print_uint(PRINT_JSON,
"compressed",
@@ -653,20 +653,20 @@ static void print_link_stats64(FILE *fp,
/* TX error stats */
if (show_stats > 1) {
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"aborted_errors",
NULL, s->tx_aborted_errors);
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"fifo_errors",
NULL, s->tx_fifo_errors);
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"window_errors",
NULL, s->tx_window_errors);
- print_uint(PRINT_JSON,
+ print_u64(PRINT_JSON,
"heartbeat_errors",
NULL, s->tx_heartbeat_errors);
if (carrier_changes)
- print_uint(PRINT_JSON, "carrier_changes", NULL,
+ print_u64(PRINT_JSON, "carrier_changes", NULL,
rta_getattr_u32(carrier_changes));
}
close_json_object();
--- a/lib/json_print.c
+++ b/lib/json_print.c
@@ -117,8 +117,10 @@ void close_json_array(enum output_type t
} \
}
_PRINT_FUNC(int, int);
+_PRINT_FUNC(s64, int64_t);
_PRINT_FUNC(hu, unsigned short);
-_PRINT_FUNC(uint, uint64_t);
+_PRINT_FUNC(uint, unsigned int);
+_PRINT_FUNC(u64, uint64_t);
_PRINT_FUNC(lluint, unsigned long long int);
_PRINT_FUNC(float, double);
#undef _PRINT_FUNC
--- a/lib/json_writer.c
+++ b/lib/json_writer.c
@@ -215,7 +215,12 @@ void jsonw_hu(json_writer_t *self, unsig
jsonw_printf(self, "%hu", num);
}
-void jsonw_uint(json_writer_t *self, uint64_t num)
+void jsonw_uint(json_writer_t *self, unsigned int num)
+{
+ jsonw_printf(self, "%u", num);
+}
+
+void jsonw_u64(json_writer_t *self, uint64_t num)
{
jsonw_printf(self, "%"PRIu64, num);
}
@@ -225,7 +230,12 @@ void jsonw_lluint(json_writer_t *self, u
jsonw_printf(self, "%llu", num);
}
-void jsonw_int(json_writer_t *self, int64_t num)
+void jsonw_int(json_writer_t *self, int num)
+{
+ jsonw_printf(self, "%d", num);
+}
+
+void jsonw_s64(json_writer_t *self, int64_t num)
{
jsonw_printf(self, "%"PRId64, num);
}
@@ -258,12 +268,18 @@ void jsonw_float_field_fmt(json_writer_t
jsonw_float_fmt(self, fmt, val);
}
-void jsonw_uint_field(json_writer_t *self, const char *prop, uint64_t num)
+void jsonw_uint_field(json_writer_t *self, const char *prop, unsigned int num)
{
jsonw_name(self, prop);
jsonw_uint(self, num);
}
+void jsonw_u64_field(json_writer_t *self, const char *prop, uint64_t num)
+{
+ jsonw_name(self, prop);
+ jsonw_u64(self, num);
+}
+
void jsonw_hu_field(json_writer_t *self, const char *prop, unsigned short num)
{
jsonw_name(self, prop);
@@ -278,12 +294,18 @@ void jsonw_lluint_field(json_writer_t *s
jsonw_lluint(self, num);
}
-void jsonw_int_field(json_writer_t *self, const char *prop, int64_t num)
+void jsonw_int_field(json_writer_t *self, const char *prop, int num)
{
jsonw_name(self, prop);
jsonw_int(self, num);
}
+void jsonw_s64_field(json_writer_t *self, const char *prop, int64_t num)
+{
+ jsonw_name(self, prop);
+ jsonw_s64(self, num);
+}
+
void jsonw_null_field(json_writer_t *self, const char *prop)
{
jsonw_name(self, prop);
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