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-rw-r--r--src/core/iomgr/tcp_windows.c13
-rw-r--r--src/core/security/json_token.c4
-rw-r--r--src/core/support/string.c29
-rw-r--r--src/core/support/string.h10
-rw-r--r--src/core/transport/chttp2/timeout_encoding.c7
-rw-r--r--src/cpp/proto/proto_utils.cc10
6 files changed, 57 insertions, 16 deletions
diff --git a/src/core/iomgr/tcp_windows.c b/src/core/iomgr/tcp_windows.c
index 5ff78231bd..6915cb2f49 100644
--- a/src/core/iomgr/tcp_windows.c
+++ b/src/core/iomgr/tcp_windows.c
@@ -197,7 +197,7 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
tcp->read_slice = gpr_slice_malloc(8192);
- buffer.len = GPR_SLICE_LENGTH(tcp->read_slice);
+ buffer.len = (ULONG)GPR_SLICE_LENGTH(tcp->read_slice); // we know slice size fits in 32bit.
buffer.buf = (char *)GPR_SLICE_START_PTR(tcp->read_slice);
TCP_REF(tcp, "read");
@@ -273,6 +273,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
WSABUF local_buffers[16];
WSABUF *allocated = NULL;
WSABUF *buffers = local_buffers;
+ size_t len;
if (tcp->shutting_down) {
grpc_exec_ctx_enqueue(exec_ctx, cb, 0);
@@ -281,19 +282,21 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
tcp->write_cb = cb;
tcp->write_slices = slices;
-
+ GPR_ASSERT(tcp->write_slices->count <= UINT_MAX);
if (tcp->write_slices->count > GPR_ARRAY_SIZE(local_buffers)) {
buffers = (WSABUF *)gpr_malloc(sizeof(WSABUF) * tcp->write_slices->count);
allocated = buffers;
}
for (i = 0; i < tcp->write_slices->count; i++) {
- buffers[i].len = GPR_SLICE_LENGTH(tcp->write_slices->slices[i]);
+ len = GPR_SLICE_LENGTH(tcp->write_slices->slices[i]);
+ GPR_ASSERT(len <= ULONG_MAX);
+ buffers[i].len = (ULONG) len;
buffers[i].buf = (char *)GPR_SLICE_START_PTR(tcp->write_slices->slices[i]);
}
/* First, let's try a synchronous, non-blocking write. */
- status = WSASend(socket->socket, buffers, tcp->write_slices->count,
+ status = WSASend(socket->socket, buffers, (DWORD)tcp->write_slices->count,
&bytes_sent, 0, NULL, NULL);
info->wsa_error = status == 0 ? 0 : WSAGetLastError();
@@ -322,7 +325,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
/* If we got a WSAEWOULDBLOCK earlier, then we need to re-do the same
operation, this time asynchronously. */
memset(&socket->write_info.overlapped, 0, sizeof(OVERLAPPED));
- status = WSASend(socket->socket, buffers, tcp->write_slices->count,
+ status = WSASend(socket->socket, buffers, (DWORD)tcp->write_slices->count,
&bytes_sent, 0, &socket->write_info.overlapped, NULL);
if (allocated) gpr_free(allocated);
diff --git a/src/core/security/json_token.c b/src/core/security/json_token.c
index 021912f333..92775d885d 100644
--- a/src/core/security/json_token.c
+++ b/src/core/security/json_token.c
@@ -215,8 +215,8 @@ static char *encoded_jwt_claim(const grpc_auth_json_key *json_key,
gpr_log(GPR_INFO, "Cropping token lifetime to maximum allowed value.");
expiration = gpr_time_add(now, grpc_max_auth_token_lifetime);
}
- gpr_ltoa(now.tv_sec, now_str);
- gpr_ltoa(expiration.tv_sec, expiration_str);
+ gpr_int64toa(now.tv_sec, now_str);
+ gpr_int64toa(expiration.tv_sec, expiration_str);
child =
create_child(NULL, json, "iss", json_key->client_email, GRPC_JSON_STRING);
diff --git a/src/core/support/string.c b/src/core/support/string.c
index e0ffeb8a4a..46a7ca3d46 100644
--- a/src/core/support/string.c
+++ b/src/core/support/string.c
@@ -153,8 +153,8 @@ void gpr_reverse_bytes(char *str, int len) {
}
int gpr_ltoa(long value, char *string) {
+ long sign;
int i = 0;
- int neg = value < 0;
if (value == 0) {
string[0] = '0';
@@ -162,12 +162,33 @@ int gpr_ltoa(long value, char *string) {
return 1;
}
- if (neg) value = -value;
+ sign = value < 0 ? -1 : 1;
while (value) {
- string[i++] = (char)('0' + value % 10);
+ string[i++] = (char)('0' + sign * (value % 10));
value /= 10;
}
- if (neg) string[i++] = '-';
+ if (sign < 0) string[i++] = '-';
+ gpr_reverse_bytes(string, i);
+ string[i] = 0;
+ return i;
+}
+
+int gpr_int64toa(gpr_int64 value, char *string) {
+ gpr_int64 sign;
+ int i = 0;
+
+ if (value == 0) {
+ string[0] = '0';
+ string[1] = 0;
+ return 1;
+ }
+
+ sign = value < 0 ? -1 : 1;
+ while (value) {
+ string[i++] = (char)('0' + sign * (value % 10));
+ value /= 10;
+ }
+ if (sign < 0) string[i++] = '-';
gpr_reverse_bytes(string, i);
string[i] = 0;
return i;
diff --git a/src/core/support/string.h b/src/core/support/string.h
index a28e00fd3e..9b604ac5bf 100644
--- a/src/core/support/string.h
+++ b/src/core/support/string.h
@@ -70,6 +70,16 @@ int gpr_parse_bytes_to_uint32(const char *data, size_t length,
output must be at least GPR_LTOA_MIN_BUFSIZE bytes long. */
int gpr_ltoa(long value, char *output);
+/* Minimum buffer size for calling int64toa */
+#define GPR_INT64TOA_MIN_BUFSIZE (3 * sizeof(gpr_int64))
+
+/* Convert an int64 to a string in base 10; returns the length of the
+output string (or 0 on failure).
+output must be at least GPR_INT64TOA_MIN_BUFSIZE bytes long.
+NOTE: This function ensures sufficient bit width even on Win x64,
+where long is 32bit is size.*/
+int gpr_int64toa(gpr_int64 value, char *output);
+
/* Reverse a run of bytes */
void gpr_reverse_bytes(char *str, int len);
diff --git a/src/core/transport/chttp2/timeout_encoding.c b/src/core/transport/chttp2/timeout_encoding.c
index 8a9b290ecb..cf81c18a20 100644
--- a/src/core/transport/chttp2/timeout_encoding.c
+++ b/src/core/transport/chttp2/timeout_encoding.c
@@ -36,6 +36,7 @@
#include <stdio.h>
#include <string.h>
+#include <grpc/support/port_platform.h>
#include "src/core/support/string.h"
static int round_up(int x, int divisor) {
@@ -57,13 +58,13 @@ static int round_up_to_three_sig_figs(int x) {
/* encode our minimum viable timeout value */
static void enc_tiny(char *buffer) { memcpy(buffer, "1n", 3); }
-static void enc_ext(char *buffer, long value, char ext) {
- int n = gpr_ltoa(value, buffer);
+static void enc_ext(char *buffer, gpr_int64 value, char ext) {
+ int n = gpr_int64toa(value, buffer);
buffer[n] = ext;
buffer[n + 1] = 0;
}
-static void enc_seconds(char *buffer, long sec) {
+static void enc_seconds(char *buffer, gpr_int64 sec) {
if (sec % 3600 == 0) {
enc_ext(buffer, sec / 3600, 'H');
} else if (sec % 60 == 0) {
diff --git a/src/cpp/proto/proto_utils.cc b/src/cpp/proto/proto_utils.cc
index b1330fde7f..898a1d4f58 100644
--- a/src/cpp/proto/proto_utils.cc
+++ b/src/cpp/proto/proto_utils.cc
@@ -33,6 +33,8 @@
#include <grpc++/impl/proto_utils.h>
+#include <climits>
+
#include <grpc/grpc.h>
#include <grpc/byte_buffer.h>
#include <grpc/byte_buffer_reader.h>
@@ -70,7 +72,9 @@ class GrpcBufferWriter GRPC_FINAL
slice_ = gpr_slice_malloc(block_size_);
}
*data = GPR_SLICE_START_PTR(slice_);
- byte_count_ += * size = GPR_SLICE_LENGTH(slice_);
+ // On win x64, int is only 32bit
+ GPR_ASSERT(GPR_SLICE_LENGTH(slice_) <= INT_MAX);
+ byte_count_ += * size = (int)GPR_SLICE_LENGTH(slice_);
gpr_slice_buffer_add(slice_buffer_, slice_);
return true;
}
@@ -124,7 +128,9 @@ class GrpcBufferReader GRPC_FINAL
}
gpr_slice_unref(slice_);
*data = GPR_SLICE_START_PTR(slice_);
- byte_count_ += * size = GPR_SLICE_LENGTH(slice_);
+ // On win x64, int is only 32bit
+ GPR_ASSERT(GPR_SLICE_LENGTH(slice_) <= INT_MAX);
+ byte_count_ += * size = (int)GPR_SLICE_LENGTH(slice_);
return true;
}