1 // Copyright 2020 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/check_op.h"
6
7 #include <string.h>
8
9 #include <algorithm>
10 #include <cstdio>
11 #include <sstream>
12
13 #include "base/logging.h"
14
15 namespace logging {
16
CheckOpValueStr(int v)17 char* CheckOpValueStr(int v) {
18 char buf[50];
19 snprintf(buf, sizeof(buf), "%d", v);
20 return strdup(buf);
21 }
22
CheckOpValueStr(unsigned v)23 char* CheckOpValueStr(unsigned v) {
24 char buf[50];
25 snprintf(buf, sizeof(buf), "%u", v);
26 return strdup(buf);
27 }
28
CheckOpValueStr(long v)29 char* CheckOpValueStr(long v) {
30 char buf[50];
31 snprintf(buf, sizeof(buf), "%ld", v);
32 return strdup(buf);
33 }
34
CheckOpValueStr(unsigned long v)35 char* CheckOpValueStr(unsigned long v) {
36 char buf[50];
37 snprintf(buf, sizeof(buf), "%lu", v);
38 return strdup(buf);
39 }
40
CheckOpValueStr(long long v)41 char* CheckOpValueStr(long long v) {
42 char buf[50];
43 snprintf(buf, sizeof(buf), "%lld", v);
44 return strdup(buf);
45 }
46
CheckOpValueStr(unsigned long long v)47 char* CheckOpValueStr(unsigned long long v) {
48 char buf[50];
49 snprintf(buf, sizeof(buf), "%llu", v);
50 return strdup(buf);
51 }
52
CheckOpValueStr(const void * v)53 char* CheckOpValueStr(const void* v) {
54 char buf[50];
55 snprintf(buf, sizeof(buf), "%p", v);
56 return strdup(buf);
57 }
58
CheckOpValueStr(std::nullptr_t v)59 char* CheckOpValueStr(std::nullptr_t v) {
60 return strdup("nullptr");
61 }
62
CheckOpValueStr(const std::string & v)63 char* CheckOpValueStr(const std::string& v) {
64 return strdup(v.c_str());
65 }
66
CheckOpValueStr(std::string_view v)67 char* CheckOpValueStr(std::string_view v) {
68 // Ideally this would be `strndup`, but `strndup` is not portable.
69 char* ret = static_cast<char*>(malloc(v.size() + 1));
70 if (ret) {
71 std::copy(v.begin(), v.end(), ret);
72 ret[v.size()] = 0;
73 }
74 return ret;
75 }
76
CheckOpValueStr(double v)77 char* CheckOpValueStr(double v) {
78 char buf[50];
79 snprintf(buf, sizeof(buf), "%.6lf", v);
80 return strdup(buf);
81 }
82
StreamValToStr(const void * v,void (* stream_func)(std::ostream &,const void *))83 char* StreamValToStr(const void* v,
84 void (*stream_func)(std::ostream&, const void*)) {
85 std::stringstream ss;
86 stream_func(ss, v);
87 return strdup(ss.str().c_str());
88 }
89
CreateCheckOpLogMessageString(const char * expr_str,char * v1_str,char * v2_str)90 char* CreateCheckOpLogMessageString(const char* expr_str,
91 char* v1_str,
92 char* v2_str) {
93 std::stringstream ss;
94 ss << "Check failed: " << expr_str << " (" << v1_str << " vs. " << v2_str
95 << ")";
96 free(v1_str);
97 free(v2_str);
98 return strdup(ss.str().c_str());
99 }
100
101 } // namespace logging
102