diff options
author | Alex Pilon <apilon@hashicorp.com> | 2019-02-22 18:24:37 -0500 |
---|---|---|
committer | Alex Pilon <apilon@hashicorp.com> | 2019-02-22 18:24:37 -0500 |
commit | 15c0b25d011f37e7c20aeca9eaf461f78285b8d9 (patch) | |
tree | 255c250a5c9d4801c74092d33b7337d8c14438ff /vendor/github.com/ulikunitz/xz/internal | |
parent | 07971ca38143c5faf951d152fba370ddcbe26ad5 (diff) | |
download | terraform-provider-statuscake-15c0b25d011f37e7c20aeca9eaf461f78285b8d9.tar.gz terraform-provider-statuscake-15c0b25d011f37e7c20aeca9eaf461f78285b8d9.tar.zst terraform-provider-statuscake-15c0b25d011f37e7c20aeca9eaf461f78285b8d9.zip |
deps: github.com/hashicorp/terraform@sdk-v0.11-with-go-modules
Updated via: go get github.com/hashicorp/terraform@sdk-v0.11-with-go-modules and go mod tidy
Diffstat (limited to 'vendor/github.com/ulikunitz/xz/internal')
5 files changed, 747 insertions, 0 deletions
diff --git a/vendor/github.com/ulikunitz/xz/internal/hash/cyclic_poly.go b/vendor/github.com/ulikunitz/xz/internal/hash/cyclic_poly.go new file mode 100644 index 0000000..a328878 --- /dev/null +++ b/vendor/github.com/ulikunitz/xz/internal/hash/cyclic_poly.go | |||
@@ -0,0 +1,181 @@ | |||
1 | // Copyright 2014-2017 Ulrich Kunitz. All rights reserved. | ||
2 | // Use of this source code is governed by a BSD-style | ||
3 | // license that can be found in the LICENSE file. | ||
4 | |||
5 | package hash | ||
6 | |||
7 | // CyclicPoly provides a cyclic polynomial rolling hash. | ||
8 | type CyclicPoly struct { | ||
9 | h uint64 | ||
10 | p []uint64 | ||
11 | i int | ||
12 | } | ||
13 | |||
14 | // ror rotates the unsigned 64-bit integer to right. The argument s must be | ||
15 | // less than 64. | ||
16 | func ror(x uint64, s uint) uint64 { | ||
17 | return (x >> s) | (x << (64 - s)) | ||
18 | } | ||
19 | |||
20 | // NewCyclicPoly creates a new instance of the CyclicPoly structure. The | ||
21 | // argument n gives the number of bytes for which a hash will be executed. | ||
22 | // This number must be positive; the method panics if this isn't the case. | ||
23 | func NewCyclicPoly(n int) *CyclicPoly { | ||
24 | if n < 1 { | ||
25 | panic("argument n must be positive") | ||
26 | } | ||
27 | return &CyclicPoly{p: make([]uint64, 0, n)} | ||
28 | } | ||
29 | |||
30 | // Len returns the length of the byte sequence for which a hash is generated. | ||
31 | func (r *CyclicPoly) Len() int { | ||
32 | return cap(r.p) | ||
33 | } | ||
34 | |||
35 | // RollByte hashes the next byte and returns a hash value. The complete becomes | ||
36 | // available after at least Len() bytes have been hashed. | ||
37 | func (r *CyclicPoly) RollByte(x byte) uint64 { | ||
38 | y := hash[x] | ||
39 | if len(r.p) < cap(r.p) { | ||
40 | r.h = ror(r.h, 1) ^ y | ||
41 | r.p = append(r.p, y) | ||
42 | } else { | ||
43 | r.h ^= ror(r.p[r.i], uint(cap(r.p)-1)) | ||
44 | r.h = ror(r.h, 1) ^ y | ||
45 | r.p[r.i] = y | ||
46 | r.i = (r.i + 1) % cap(r.p) | ||
47 | } | ||
48 | return r.h | ||
49 | } | ||
50 | |||
51 | // Stores the hash for the individual bytes. | ||
52 | var hash = [256]uint64{ | ||
53 | 0x2e4fc3f904065142, 0xc790984cfbc99527, | ||
54 | 0x879f95eb8c62f187, 0x3b61be86b5021ef2, | ||
55 | 0x65a896a04196f0a5, 0xc5b307b80470b59e, | ||
56 | 0xd3bff376a70df14b, 0xc332f04f0b3f1701, | ||
57 | 0x753b5f0e9abf3e0d, 0xb41538fdfe66ef53, | ||
58 | 0x1906a10c2c1c0208, 0xfb0c712a03421c0d, | ||
59 | 0x38be311a65c9552b, 0xfee7ee4ca6445c7e, | ||
60 | 0x71aadeded184f21e, 0xd73426fccda23b2d, | ||
61 | 0x29773fb5fb9600b5, 0xce410261cd32981a, | ||
62 | 0xfe2848b3c62dbc2d, 0x459eaaff6e43e11c, | ||
63 | 0xc13e35fc9c73a887, 0xf30ed5c201e76dbc, | ||
64 | 0xa5f10b3910482cea, 0x2945d59be02dfaad, | ||
65 | 0x06ee334ff70571b5, 0xbabf9d8070f44380, | ||
66 | 0xee3e2e9912ffd27c, 0x2a7118d1ea6b8ea7, | ||
67 | 0x26183cb9f7b1664c, 0xea71dac7da068f21, | ||
68 | 0xea92eca5bd1d0bb7, 0x415595862defcd75, | ||
69 | 0x248a386023c60648, 0x9cf021ab284b3c8a, | ||
70 | 0xfc9372df02870f6c, 0x2b92d693eeb3b3fc, | ||
71 | 0x73e799d139dc6975, 0x7b15ae312486363c, | ||
72 | 0xb70e5454a2239c80, 0x208e3fb31d3b2263, | ||
73 | 0x01f563cabb930f44, 0x2ac4533d2a3240d8, | ||
74 | 0x84231ed1064f6f7c, 0xa9f020977c2a6d19, | ||
75 | 0x213c227271c20122, 0x09fe8a9a0a03d07a, | ||
76 | 0x4236dc75bcaf910c, 0x460a8b2bead8f17e, | ||
77 | 0xd9b27be1aa07055f, 0xd202d5dc4b11c33e, | ||
78 | 0x70adb010543bea12, 0xcdae938f7ea6f579, | ||
79 | 0x3f3d870208672f4d, 0x8e6ccbce9d349536, | ||
80 | 0xe4c0871a389095ae, 0xf5f2a49152bca080, | ||
81 | 0x9a43f9b97269934e, 0xc17b3753cb6f475c, | ||
82 | 0xd56d941e8e206bd4, 0xac0a4f3e525eda00, | ||
83 | 0xa06d5a011912a550, 0x5537ed19537ad1df, | ||
84 | 0xa32fe713d611449d, 0x2a1d05b47c3b579f, | ||
85 | 0x991d02dbd30a2a52, 0x39e91e7e28f93eb0, | ||
86 | 0x40d06adb3e92c9ac, 0x9b9d3afde1c77c97, | ||
87 | 0x9a3f3f41c02c616f, 0x22ecd4ba00f60c44, | ||
88 | 0x0b63d5d801708420, 0x8f227ca8f37ffaec, | ||
89 | 0x0256278670887c24, 0x107e14877dbf540b, | ||
90 | 0x32c19f2786ac1c05, 0x1df5b12bb4bc9c61, | ||
91 | 0xc0cac129d0d4c4e2, 0x9fdb52ee9800b001, | ||
92 | 0x31f601d5d31c48c4, 0x72ff3c0928bcaec7, | ||
93 | 0xd99264421147eb03, 0x535a2d6d38aefcfe, | ||
94 | 0x6ba8b4454a916237, 0xfa39366eaae4719c, | ||
95 | 0x10f00fd7bbb24b6f, 0x5bd23185c76c84d4, | ||
96 | 0xb22c3d7e1b00d33f, 0x3efc20aa6bc830a8, | ||
97 | 0xd61c2503fe639144, 0x30ce625441eb92d3, | ||
98 | 0xe5d34cf359e93100, 0xa8e5aa13f2b9f7a5, | ||
99 | 0x5c2b8d851ca254a6, 0x68fb6c5e8b0d5fdf, | ||
100 | 0xc7ea4872c96b83ae, 0x6dd5d376f4392382, | ||
101 | 0x1be88681aaa9792f, 0xfef465ee1b6c10d9, | ||
102 | 0x1f98b65ed43fcb2e, 0x4d1ca11eb6e9a9c9, | ||
103 | 0x7808e902b3857d0b, 0x171c9c4ea4607972, | ||
104 | 0x58d66274850146df, 0x42b311c10d3981d1, | ||
105 | 0x647fa8c621c41a4c, 0xf472771c66ddfedc, | ||
106 | 0x338d27e3f847b46b, 0x6402ce3da97545ce, | ||
107 | 0x5162db616fc38638, 0x9c83be97bc22a50e, | ||
108 | 0x2d3d7478a78d5e72, 0xe621a9b938fd5397, | ||
109 | 0x9454614eb0f81c45, 0x395fb6e742ed39b6, | ||
110 | 0x77dd9179d06037bf, 0xc478d0fee4d2656d, | ||
111 | 0x35d9d6cb772007af, 0x83a56e92c883f0f6, | ||
112 | 0x27937453250c00a1, 0x27bd6ebc3a46a97d, | ||
113 | 0x9f543bf784342d51, 0xd158f38c48b0ed52, | ||
114 | 0x8dd8537c045f66b4, 0x846a57230226f6d5, | ||
115 | 0x6b13939e0c4e7cdf, 0xfca25425d8176758, | ||
116 | 0x92e5fc6cd52788e6, 0x9992e13d7a739170, | ||
117 | 0x518246f7a199e8ea, 0xf104c2a71b9979c7, | ||
118 | 0x86b3ffaabea4768f, 0x6388061cf3e351ad, | ||
119 | 0x09d9b5295de5bbb5, 0x38bf1638c2599e92, | ||
120 | 0x1d759846499e148d, 0x4c0ff015e5f96ef4, | ||
121 | 0xa41a94cfa270f565, 0x42d76f9cb2326c0b, | ||
122 | 0x0cf385dd3c9c23ba, 0x0508a6c7508d6e7a, | ||
123 | 0x337523aabbe6cf8d, 0x646bb14001d42b12, | ||
124 | 0xc178729d138adc74, 0xf900ef4491f24086, | ||
125 | 0xee1a90d334bb5ac4, 0x9755c92247301a50, | ||
126 | 0xb999bf7c4ff1b610, 0x6aeeb2f3b21e8fc9, | ||
127 | 0x0fa8084cf91ac6ff, 0x10d226cf136e6189, | ||
128 | 0xd302057a07d4fb21, 0x5f03800e20a0fcc3, | ||
129 | 0x80118d4ae46bd210, 0x58ab61a522843733, | ||
130 | 0x51edd575c5432a4b, 0x94ee6ff67f9197f7, | ||
131 | 0x765669e0e5e8157b, 0xa5347830737132f0, | ||
132 | 0x3ba485a69f01510c, 0x0b247d7b957a01c3, | ||
133 | 0x1b3d63449fd807dc, 0x0fdc4721c30ad743, | ||
134 | 0x8b535ed3829b2b14, 0xee41d0cad65d232c, | ||
135 | 0xe6a99ed97a6a982f, 0x65ac6194c202003d, | ||
136 | 0x692accf3a70573eb, 0xcc3c02c3e200d5af, | ||
137 | 0x0d419e8b325914a3, 0x320f160f42c25e40, | ||
138 | 0x00710d647a51fe7a, 0x3c947692330aed60, | ||
139 | 0x9288aa280d355a7a, 0xa1806a9b791d1696, | ||
140 | 0x5d60e38496763da1, 0x6c69e22e613fd0f4, | ||
141 | 0x977fc2a5aadffb17, 0xfb7bd063fc5a94ba, | ||
142 | 0x460c17992cbaece1, 0xf7822c5444d3297f, | ||
143 | 0x344a9790c69b74aa, 0xb80a42e6cae09dce, | ||
144 | 0x1b1361eaf2b1e757, 0xd84c1e758e236f01, | ||
145 | 0x88e0b7be347627cc, 0x45246009b7a99490, | ||
146 | 0x8011c6dd3fe50472, 0xc341d682bffb99d7, | ||
147 | 0x2511be93808e2d15, 0xd5bc13d7fd739840, | ||
148 | 0x2a3cd030679ae1ec, 0x8ad9898a4b9ee157, | ||
149 | 0x3245fef0a8eaf521, 0x3d6d8dbbb427d2b0, | ||
150 | 0x1ed146d8968b3981, 0x0c6a28bf7d45f3fc, | ||
151 | 0x4a1fd3dbcee3c561, 0x4210ff6a476bf67e, | ||
152 | 0xa559cce0d9199aac, 0xde39d47ef3723380, | ||
153 | 0xe5b69d848ce42e35, 0xefa24296f8e79f52, | ||
154 | 0x70190b59db9a5afc, 0x26f166cdb211e7bf, | ||
155 | 0x4deaf2df3c6b8ef5, 0xf171dbdd670f1017, | ||
156 | 0xb9059b05e9420d90, 0x2f0da855c9388754, | ||
157 | 0x611d5e9ab77949cc, 0x2912038ac01163f4, | ||
158 | 0x0231df50402b2fba, 0x45660fc4f3245f58, | ||
159 | 0xb91cc97c7c8dac50, 0xb72d2aafe4953427, | ||
160 | 0xfa6463f87e813d6b, 0x4515f7ee95d5c6a2, | ||
161 | 0x1310e1c1a48d21c3, 0xad48a7810cdd8544, | ||
162 | 0x4d5bdfefd5c9e631, 0xa43ed43f1fdcb7de, | ||
163 | 0xe70cfc8fe1ee9626, 0xef4711b0d8dda442, | ||
164 | 0xb80dd9bd4dab6c93, 0xa23be08d31ba4d93, | ||
165 | 0x9b37db9d0335a39c, 0x494b6f870f5cfebc, | ||
166 | 0x6d1b3c1149dda943, 0x372c943a518c1093, | ||
167 | 0xad27af45e77c09c4, 0x3b6f92b646044604, | ||
168 | 0xac2917909f5fcf4f, 0x2069a60e977e5557, | ||
169 | 0x353a469e71014de5, 0x24be356281f55c15, | ||
170 | 0x2b6d710ba8e9adea, 0x404ad1751c749c29, | ||
171 | 0xed7311bf23d7f185, 0xba4f6976b4acc43e, | ||
172 | 0x32d7198d2bc39000, 0xee667019014d6e01, | ||
173 | 0x494ef3e128d14c83, 0x1f95a152baecd6be, | ||
174 | 0x201648dff1f483a5, 0x68c28550c8384af6, | ||
175 | 0x5fc834a6824a7f48, 0x7cd06cb7365eaf28, | ||
176 | 0xd82bbd95e9b30909, 0x234f0d1694c53f6d, | ||
177 | 0xd2fb7f4a96d83f4a, 0xff0d5da83acac05e, | ||
178 | 0xf8f6b97f5585080a, 0x74236084be57b95b, | ||
179 | 0xa25e40c03bbc36ad, 0x6b6e5c14ce88465b, | ||
180 | 0x4378ffe93e1528c5, 0x94ca92a17118e2d2, | ||
181 | } | ||
diff --git a/vendor/github.com/ulikunitz/xz/internal/hash/doc.go b/vendor/github.com/ulikunitz/xz/internal/hash/doc.go new file mode 100644 index 0000000..f99ec22 --- /dev/null +++ b/vendor/github.com/ulikunitz/xz/internal/hash/doc.go | |||
@@ -0,0 +1,14 @@ | |||
1 | // Copyright 2014-2017 Ulrich Kunitz. All rights reserved. | ||
2 | // Use of this source code is governed by a BSD-style | ||
3 | // license that can be found in the LICENSE file. | ||
4 | |||
5 | /* | ||
6 | Package hash provides rolling hashes. | ||
7 | |||
8 | Rolling hashes have to be used for maintaining the positions of n-byte | ||
9 | sequences in the dictionary buffer. | ||
10 | |||
11 | The package provides currently the Rabin-Karp rolling hash and a Cyclic | ||
12 | Polynomial hash. Both support the Hashes method to be used with an interface. | ||
13 | */ | ||
14 | package hash | ||
diff --git a/vendor/github.com/ulikunitz/xz/internal/hash/rabin_karp.go b/vendor/github.com/ulikunitz/xz/internal/hash/rabin_karp.go new file mode 100644 index 0000000..58635b1 --- /dev/null +++ b/vendor/github.com/ulikunitz/xz/internal/hash/rabin_karp.go | |||
@@ -0,0 +1,66 @@ | |||
1 | // Copyright 2014-2017 Ulrich Kunitz. All rights reserved. | ||
2 | // Use of this source code is governed by a BSD-style | ||
3 | // license that can be found in the LICENSE file. | ||
4 | |||
5 | package hash | ||
6 | |||
7 | // A is the default constant for Robin-Karp rolling hash. This is a random | ||
8 | // prime. | ||
9 | const A = 0x97b548add41d5da1 | ||
10 | |||
11 | // RabinKarp supports the computation of a rolling hash. | ||
12 | type RabinKarp struct { | ||
13 | A uint64 | ||
14 | // a^n | ||
15 | aOldest uint64 | ||
16 | h uint64 | ||
17 | p []byte | ||
18 | i int | ||
19 | } | ||
20 | |||
21 | // NewRabinKarp creates a new RabinKarp value. The argument n defines the | ||
22 | // length of the byte sequence to be hashed. The default constant will will be | ||
23 | // used. | ||
24 | func NewRabinKarp(n int) *RabinKarp { | ||
25 | return NewRabinKarpConst(n, A) | ||
26 | } | ||
27 | |||
28 | // NewRabinKarpConst creates a new RabinKarp value. The argument n defines the | ||
29 | // length of the byte sequence to be hashed. The argument a provides the | ||
30 | // constant used to compute the hash. | ||
31 | func NewRabinKarpConst(n int, a uint64) *RabinKarp { | ||
32 | if n <= 0 { | ||
33 | panic("number of bytes n must be positive") | ||
34 | } | ||
35 | aOldest := uint64(1) | ||
36 | // There are faster methods. For the small n required by the LZMA | ||
37 | // compressor O(n) is sufficient. | ||
38 | for i := 0; i < n; i++ { | ||
39 | aOldest *= a | ||
40 | } | ||
41 | return &RabinKarp{ | ||
42 | A: a, aOldest: aOldest, | ||
43 | p: make([]byte, 0, n), | ||
44 | } | ||
45 | } | ||
46 | |||
47 | // Len returns the length of the byte sequence. | ||
48 | func (r *RabinKarp) Len() int { | ||
49 | return cap(r.p) | ||
50 | } | ||
51 | |||
52 | // RollByte computes the hash after x has been added. | ||
53 | func (r *RabinKarp) RollByte(x byte) uint64 { | ||
54 | if len(r.p) < cap(r.p) { | ||
55 | r.h += uint64(x) | ||
56 | r.h *= r.A | ||
57 | r.p = append(r.p, x) | ||
58 | } else { | ||
59 | r.h -= uint64(r.p[r.i]) * r.aOldest | ||
60 | r.h += uint64(x) | ||
61 | r.h *= r.A | ||
62 | r.p[r.i] = x | ||
63 | r.i = (r.i + 1) % cap(r.p) | ||
64 | } | ||
65 | return r.h | ||
66 | } | ||
diff --git a/vendor/github.com/ulikunitz/xz/internal/hash/roller.go b/vendor/github.com/ulikunitz/xz/internal/hash/roller.go new file mode 100644 index 0000000..ab6a19c --- /dev/null +++ b/vendor/github.com/ulikunitz/xz/internal/hash/roller.go | |||
@@ -0,0 +1,29 @@ | |||
1 | // Copyright 2014-2017 Ulrich Kunitz. All rights reserved. | ||
2 | // Use of this source code is governed by a BSD-style | ||
3 | // license that can be found in the LICENSE file. | ||
4 | |||
5 | package hash | ||
6 | |||
7 | // Roller provides an interface for rolling hashes. The hash value will become | ||
8 | // valid after hash has been called Len times. | ||
9 | type Roller interface { | ||
10 | Len() int | ||
11 | RollByte(x byte) uint64 | ||
12 | } | ||
13 | |||
14 | // Hashes computes all hash values for the array p. Note that the state of the | ||
15 | // roller is changed. | ||
16 | func Hashes(r Roller, p []byte) []uint64 { | ||
17 | n := r.Len() | ||
18 | if len(p) < n { | ||
19 | return nil | ||
20 | } | ||
21 | h := make([]uint64, len(p)-n+1) | ||
22 | for i := 0; i < n-1; i++ { | ||
23 | r.RollByte(p[i]) | ||
24 | } | ||
25 | for i := range h { | ||
26 | h[i] = r.RollByte(p[i+n-1]) | ||
27 | } | ||
28 | return h | ||
29 | } | ||
diff --git a/vendor/github.com/ulikunitz/xz/internal/xlog/xlog.go b/vendor/github.com/ulikunitz/xz/internal/xlog/xlog.go new file mode 100644 index 0000000..0ba45e8 --- /dev/null +++ b/vendor/github.com/ulikunitz/xz/internal/xlog/xlog.go | |||
@@ -0,0 +1,457 @@ | |||
1 | // Copyright 2014-2017 Ulrich Kunitz. All rights reserved. | ||
2 | // Use of this source code is governed by a BSD-style | ||
3 | // license that can be found in the LICENSE file. | ||
4 | |||
5 | // Package xlog provides a simple logging package that allows to disable | ||
6 | // certain message categories. It defines a type, Logger, with multiple | ||
7 | // methods for formatting output. The package has also a predefined | ||
8 | // 'standard' Logger accessible through helper function Print[f|ln], | ||
9 | // Fatal[f|ln], Panic[f|ln], Warn[f|ln], Print[f|ln] and Debug[f|ln] | ||
10 | // that are easier to use then creating a Logger manually. That logger | ||
11 | // writes to standard error and prints the date and time of each logged | ||
12 | // message, which can be configured using the function SetFlags. | ||
13 | // | ||
14 | // The Fatal functions call os.Exit(1) after the message is output | ||
15 | // unless not suppressed by the flags. The Panic functions call panic | ||
16 | // after the writing the log message unless suppressed. | ||
17 | package xlog | ||
18 | |||
19 | import ( | ||
20 | "fmt" | ||
21 | "io" | ||
22 | "os" | ||
23 | "runtime" | ||
24 | "sync" | ||
25 | "time" | ||
26 | ) | ||
27 | |||
28 | // The flags define what information is prefixed to each log entry | ||
29 | // generated by the Logger. The Lno* versions allow the suppression of | ||
30 | // specific output. The bits are or'ed together to control what will be | ||
31 | // printed. There is no control over the order of the items printed and | ||
32 | // the format. The full format is: | ||
33 | // | ||
34 | // 2009-01-23 01:23:23.123123 /a/b/c/d.go:23: message | ||
35 | // | ||
36 | const ( | ||
37 | Ldate = 1 << iota // the date: 2009-01-23 | ||
38 | Ltime // the time: 01:23:23 | ||
39 | Lmicroseconds // microsecond resolution: 01:23:23.123123 | ||
40 | Llongfile // full file name and line number: /a/b/c/d.go:23 | ||
41 | Lshortfile // final file name element and line number: d.go:23 | ||
42 | Lnopanic // suppresses output from Panic[f|ln] but not the panic call | ||
43 | Lnofatal // suppresses output from Fatal[f|ln] but not the exit | ||
44 | Lnowarn // suppresses output from Warn[f|ln] | ||
45 | Lnoprint // suppresses output from Print[f|ln] | ||
46 | Lnodebug // suppresses output from Debug[f|ln] | ||
47 | // initial values for the standard logger | ||
48 | Lstdflags = Ldate | Ltime | Lnodebug | ||
49 | ) | ||
50 | |||
51 | // A Logger represents an active logging object that generates lines of | ||
52 | // output to an io.Writer. Each logging operation if not suppressed | ||
53 | // makes a single call to the Writer's Write method. A Logger can be | ||
54 | // used simultaneously from multiple goroutines; it guarantees to | ||
55 | // serialize access to the Writer. | ||
56 | type Logger struct { | ||
57 | mu sync.Mutex // ensures atomic writes; and protects the following | ||
58 | // fields | ||
59 | prefix string // prefix to write at beginning of each line | ||
60 | flag int // properties | ||
61 | out io.Writer // destination for output | ||
62 | buf []byte // for accumulating text to write | ||
63 | } | ||
64 | |||
65 | // New creates a new Logger. The out argument sets the destination to | ||
66 | // which the log output will be written. The prefix appears at the | ||
67 | // beginning of each log line. The flag argument defines the logging | ||
68 | // properties. | ||
69 | func New(out io.Writer, prefix string, flag int) *Logger { | ||
70 | return &Logger{out: out, prefix: prefix, flag: flag} | ||
71 | } | ||
72 | |||
73 | // std is the standard logger used by the package scope functions. | ||
74 | var std = New(os.Stderr, "", Lstdflags) | ||
75 | |||
76 | // itoa converts the integer to ASCII. A negative widths will avoid | ||
77 | // zero-padding. The function supports only non-negative integers. | ||
78 | func itoa(buf *[]byte, i int, wid int) { | ||
79 | var u = uint(i) | ||
80 | if u == 0 && wid <= 1 { | ||
81 | *buf = append(*buf, '0') | ||
82 | return | ||
83 | } | ||
84 | var b [32]byte | ||
85 | bp := len(b) | ||
86 | for ; u > 0 || wid > 0; u /= 10 { | ||
87 | bp-- | ||
88 | wid-- | ||
89 | b[bp] = byte(u%10) + '0' | ||
90 | } | ||
91 | *buf = append(*buf, b[bp:]...) | ||
92 | } | ||
93 | |||
94 | // formatHeader puts the header into the buf field of the buffer. | ||
95 | func (l *Logger) formatHeader(t time.Time, file string, line int) { | ||
96 | l.buf = append(l.buf, l.prefix...) | ||
97 | if l.flag&(Ldate|Ltime|Lmicroseconds) != 0 { | ||
98 | if l.flag&Ldate != 0 { | ||
99 | year, month, day := t.Date() | ||
100 | itoa(&l.buf, year, 4) | ||
101 | l.buf = append(l.buf, '-') | ||
102 | itoa(&l.buf, int(month), 2) | ||
103 | l.buf = append(l.buf, '-') | ||
104 | itoa(&l.buf, day, 2) | ||
105 | l.buf = append(l.buf, ' ') | ||
106 | } | ||
107 | if l.flag&(Ltime|Lmicroseconds) != 0 { | ||
108 | hour, min, sec := t.Clock() | ||
109 | itoa(&l.buf, hour, 2) | ||
110 | l.buf = append(l.buf, ':') | ||
111 | itoa(&l.buf, min, 2) | ||
112 | l.buf = append(l.buf, ':') | ||
113 | itoa(&l.buf, sec, 2) | ||
114 | if l.flag&Lmicroseconds != 0 { | ||
115 | l.buf = append(l.buf, '.') | ||
116 | itoa(&l.buf, t.Nanosecond()/1e3, 6) | ||
117 | } | ||
118 | l.buf = append(l.buf, ' ') | ||
119 | } | ||
120 | } | ||
121 | if l.flag&(Lshortfile|Llongfile) != 0 { | ||
122 | if l.flag&Lshortfile != 0 { | ||
123 | short := file | ||
124 | for i := len(file) - 1; i > 0; i-- { | ||
125 | if file[i] == '/' { | ||
126 | short = file[i+1:] | ||
127 | break | ||
128 | } | ||
129 | } | ||
130 | file = short | ||
131 | } | ||
132 | l.buf = append(l.buf, file...) | ||
133 | l.buf = append(l.buf, ':') | ||
134 | itoa(&l.buf, line, -1) | ||
135 | l.buf = append(l.buf, ": "...) | ||
136 | } | ||
137 | } | ||
138 | |||
139 | func (l *Logger) output(calldepth int, now time.Time, s string) error { | ||
140 | var file string | ||
141 | var line int | ||
142 | if l.flag&(Lshortfile|Llongfile) != 0 { | ||
143 | l.mu.Unlock() | ||
144 | var ok bool | ||
145 | _, file, line, ok = runtime.Caller(calldepth) | ||
146 | if !ok { | ||
147 | file = "???" | ||
148 | line = 0 | ||
149 | } | ||
150 | l.mu.Lock() | ||
151 | } | ||
152 | l.buf = l.buf[:0] | ||
153 | l.formatHeader(now, file, line) | ||
154 | l.buf = append(l.buf, s...) | ||
155 | if len(s) == 0 || s[len(s)-1] != '\n' { | ||
156 | l.buf = append(l.buf, '\n') | ||
157 | } | ||
158 | _, err := l.out.Write(l.buf) | ||
159 | return err | ||
160 | } | ||
161 | |||
162 | // Output writes the string s with the header controlled by the flags to | ||
163 | // the l.out writer. A newline will be appended if s doesn't end in a | ||
164 | // newline. Calldepth is used to recover the PC, although all current | ||
165 | // calls of Output use the call depth 2. Access to the function is serialized. | ||
166 | func (l *Logger) Output(calldepth, noflag int, v ...interface{}) error { | ||
167 | now := time.Now() | ||
168 | l.mu.Lock() | ||
169 | defer l.mu.Unlock() | ||
170 | if l.flag&noflag != 0 { | ||
171 | return nil | ||
172 | } | ||
173 | s := fmt.Sprint(v...) | ||
174 | return l.output(calldepth+1, now, s) | ||
175 | } | ||
176 | |||
177 | // Outputf works like output but formats the output like Printf. | ||
178 | func (l *Logger) Outputf(calldepth int, noflag int, format string, v ...interface{}) error { | ||
179 | now := time.Now() | ||
180 | l.mu.Lock() | ||
181 | defer l.mu.Unlock() | ||
182 | if l.flag&noflag != 0 { | ||
183 | return nil | ||
184 | } | ||
185 | s := fmt.Sprintf(format, v...) | ||
186 | return l.output(calldepth+1, now, s) | ||
187 | } | ||
188 | |||
189 | // Outputln works like output but formats the output like Println. | ||
190 | func (l *Logger) Outputln(calldepth int, noflag int, v ...interface{}) error { | ||
191 | now := time.Now() | ||
192 | l.mu.Lock() | ||
193 | defer l.mu.Unlock() | ||
194 | if l.flag&noflag != 0 { | ||
195 | return nil | ||
196 | } | ||
197 | s := fmt.Sprintln(v...) | ||
198 | return l.output(calldepth+1, now, s) | ||
199 | } | ||
200 | |||
201 | // Panic prints the message like Print and calls panic. The printing | ||
202 | // might be suppressed by the flag Lnopanic. | ||
203 | func (l *Logger) Panic(v ...interface{}) { | ||
204 | l.Output(2, Lnopanic, v...) | ||
205 | s := fmt.Sprint(v...) | ||
206 | panic(s) | ||
207 | } | ||
208 | |||
209 | // Panic prints the message like Print and calls panic. The printing | ||
210 | // might be suppressed by the flag Lnopanic. | ||
211 | func Panic(v ...interface{}) { | ||
212 | std.Output(2, Lnopanic, v...) | ||
213 | s := fmt.Sprint(v...) | ||
214 | panic(s) | ||
215 | } | ||
216 | |||
217 | // Panicf prints the message like Printf and calls panic. The printing | ||
218 | // might be suppressed by the flag Lnopanic. | ||
219 | func (l *Logger) Panicf(format string, v ...interface{}) { | ||
220 | l.Outputf(2, Lnopanic, format, v...) | ||
221 | s := fmt.Sprintf(format, v...) | ||
222 | panic(s) | ||
223 | } | ||
224 | |||
225 | // Panicf prints the message like Printf and calls panic. The printing | ||
226 | // might be suppressed by the flag Lnopanic. | ||
227 | func Panicf(format string, v ...interface{}) { | ||
228 | std.Outputf(2, Lnopanic, format, v...) | ||
229 | s := fmt.Sprintf(format, v...) | ||
230 | panic(s) | ||
231 | } | ||
232 | |||
233 | // Panicln prints the message like Println and calls panic. The printing | ||
234 | // might be suppressed by the flag Lnopanic. | ||
235 | func (l *Logger) Panicln(v ...interface{}) { | ||
236 | l.Outputln(2, Lnopanic, v...) | ||
237 | s := fmt.Sprintln(v...) | ||
238 | panic(s) | ||
239 | } | ||
240 | |||
241 | // Panicln prints the message like Println and calls panic. The printing | ||
242 | // might be suppressed by the flag Lnopanic. | ||
243 | func Panicln(v ...interface{}) { | ||
244 | std.Outputln(2, Lnopanic, v...) | ||
245 | s := fmt.Sprintln(v...) | ||
246 | panic(s) | ||
247 | } | ||
248 | |||
249 | // Fatal prints the message like Print and calls os.Exit(1). The | ||
250 | // printing might be suppressed by the flag Lnofatal. | ||
251 | func (l *Logger) Fatal(v ...interface{}) { | ||
252 | l.Output(2, Lnofatal, v...) | ||
253 | os.Exit(1) | ||
254 | } | ||
255 | |||
256 | // Fatal prints the message like Print and calls os.Exit(1). The | ||
257 | // printing might be suppressed by the flag Lnofatal. | ||
258 | func Fatal(v ...interface{}) { | ||
259 | std.Output(2, Lnofatal, v...) | ||
260 | os.Exit(1) | ||
261 | } | ||
262 | |||
263 | // Fatalf prints the message like Printf and calls os.Exit(1). The | ||
264 | // printing might be suppressed by the flag Lnofatal. | ||
265 | func (l *Logger) Fatalf(format string, v ...interface{}) { | ||
266 | l.Outputf(2, Lnofatal, format, v...) | ||
267 | os.Exit(1) | ||
268 | } | ||
269 | |||
270 | // Fatalf prints the message like Printf and calls os.Exit(1). The | ||
271 | // printing might be suppressed by the flag Lnofatal. | ||
272 | func Fatalf(format string, v ...interface{}) { | ||
273 | std.Outputf(2, Lnofatal, format, v...) | ||
274 | os.Exit(1) | ||
275 | } | ||
276 | |||
277 | // Fatalln prints the message like Println and calls os.Exit(1). The | ||
278 | // printing might be suppressed by the flag Lnofatal. | ||
279 | func (l *Logger) Fatalln(format string, v ...interface{}) { | ||
280 | l.Outputln(2, Lnofatal, v...) | ||
281 | os.Exit(1) | ||
282 | } | ||
283 | |||
284 | // Fatalln prints the message like Println and calls os.Exit(1). The | ||
285 | // printing might be suppressed by the flag Lnofatal. | ||
286 | func Fatalln(format string, v ...interface{}) { | ||
287 | std.Outputln(2, Lnofatal, v...) | ||
288 | os.Exit(1) | ||
289 | } | ||
290 | |||
291 | // Warn prints the message like Print. The printing might be suppressed | ||
292 | // by the flag Lnowarn. | ||
293 | func (l *Logger) Warn(v ...interface{}) { | ||
294 | l.Output(2, Lnowarn, v...) | ||
295 | } | ||
296 | |||
297 | // Warn prints the message like Print. The printing might be suppressed | ||
298 | // by the flag Lnowarn. | ||
299 | func Warn(v ...interface{}) { | ||
300 | std.Output(2, Lnowarn, v...) | ||
301 | } | ||
302 | |||
303 | // Warnf prints the message like Printf. The printing might be suppressed | ||
304 | // by the flag Lnowarn. | ||
305 | func (l *Logger) Warnf(format string, v ...interface{}) { | ||
306 | l.Outputf(2, Lnowarn, format, v...) | ||
307 | } | ||
308 | |||
309 | // Warnf prints the message like Printf. The printing might be suppressed | ||
310 | // by the flag Lnowarn. | ||
311 | func Warnf(format string, v ...interface{}) { | ||
312 | std.Outputf(2, Lnowarn, format, v...) | ||
313 | } | ||
314 | |||
315 | // Warnln prints the message like Println. The printing might be suppressed | ||
316 | // by the flag Lnowarn. | ||
317 | func (l *Logger) Warnln(v ...interface{}) { | ||
318 | l.Outputln(2, Lnowarn, v...) | ||
319 | } | ||
320 | |||
321 | // Warnln prints the message like Println. The printing might be suppressed | ||
322 | // by the flag Lnowarn. | ||
323 | func Warnln(v ...interface{}) { | ||
324 | std.Outputln(2, Lnowarn, v...) | ||
325 | } | ||
326 | |||
327 | // Print prints the message like fmt.Print. The printing might be suppressed | ||
328 | // by the flag Lnoprint. | ||
329 | func (l *Logger) Print(v ...interface{}) { | ||
330 | l.Output(2, Lnoprint, v...) | ||
331 | } | ||
332 | |||
333 | // Print prints the message like fmt.Print. The printing might be suppressed | ||
334 | // by the flag Lnoprint. | ||
335 | func Print(v ...interface{}) { | ||
336 | std.Output(2, Lnoprint, v...) | ||
337 | } | ||
338 | |||
339 | // Printf prints the message like fmt.Printf. The printing might be suppressed | ||
340 | // by the flag Lnoprint. | ||
341 | func (l *Logger) Printf(format string, v ...interface{}) { | ||
342 | l.Outputf(2, Lnoprint, format, v...) | ||
343 | } | ||
344 | |||
345 | // Printf prints the message like fmt.Printf. The printing might be suppressed | ||
346 | // by the flag Lnoprint. | ||
347 | func Printf(format string, v ...interface{}) { | ||
348 | std.Outputf(2, Lnoprint, format, v...) | ||
349 | } | ||
350 | |||
351 | // Println prints the message like fmt.Println. The printing might be | ||
352 | // suppressed by the flag Lnoprint. | ||
353 | func (l *Logger) Println(v ...interface{}) { | ||
354 | l.Outputln(2, Lnoprint, v...) | ||
355 | } | ||
356 | |||
357 | // Println prints the message like fmt.Println. The printing might be | ||
358 | // suppressed by the flag Lnoprint. | ||
359 | func Println(v ...interface{}) { | ||
360 | std.Outputln(2, Lnoprint, v...) | ||
361 | } | ||
362 | |||
363 | // Debug prints the message like Print. The printing might be suppressed | ||
364 | // by the flag Lnodebug. | ||
365 | func (l *Logger) Debug(v ...interface{}) { | ||
366 | l.Output(2, Lnodebug, v...) | ||
367 | } | ||
368 | |||
369 | // Debug prints the message like Print. The printing might be suppressed | ||
370 | // by the flag Lnodebug. | ||
371 | func Debug(v ...interface{}) { | ||
372 | std.Output(2, Lnodebug, v...) | ||
373 | } | ||
374 | |||
375 | // Debugf prints the message like Printf. The printing might be suppressed | ||
376 | // by the flag Lnodebug. | ||
377 | func (l *Logger) Debugf(format string, v ...interface{}) { | ||
378 | l.Outputf(2, Lnodebug, format, v...) | ||
379 | } | ||
380 | |||
381 | // Debugf prints the message like Printf. The printing might be suppressed | ||
382 | // by the flag Lnodebug. | ||
383 | func Debugf(format string, v ...interface{}) { | ||
384 | std.Outputf(2, Lnodebug, format, v...) | ||
385 | } | ||
386 | |||
387 | // Debugln prints the message like Println. The printing might be suppressed | ||
388 | // by the flag Lnodebug. | ||
389 | func (l *Logger) Debugln(v ...interface{}) { | ||
390 | l.Outputln(2, Lnodebug, v...) | ||
391 | } | ||
392 | |||
393 | // Debugln prints the message like Println. The printing might be suppressed | ||
394 | // by the flag Lnodebug. | ||
395 | func Debugln(v ...interface{}) { | ||
396 | std.Outputln(2, Lnodebug, v...) | ||
397 | } | ||
398 | |||
399 | // Flags returns the current flags used by the logger. | ||
400 | func (l *Logger) Flags() int { | ||
401 | l.mu.Lock() | ||
402 | defer l.mu.Unlock() | ||
403 | return l.flag | ||
404 | } | ||
405 | |||
406 | // Flags returns the current flags used by the standard logger. | ||
407 | func Flags() int { | ||
408 | return std.Flags() | ||
409 | } | ||
410 | |||
411 | // SetFlags sets the flags of the logger. | ||
412 | func (l *Logger) SetFlags(flag int) { | ||
413 | l.mu.Lock() | ||
414 | defer l.mu.Unlock() | ||
415 | l.flag = flag | ||
416 | } | ||
417 | |||
418 | // SetFlags sets the flags for the standard logger. | ||
419 | func SetFlags(flag int) { | ||
420 | std.SetFlags(flag) | ||
421 | } | ||
422 | |||
423 | // Prefix returns the prefix used by the logger. | ||
424 | func (l *Logger) Prefix() string { | ||
425 | l.mu.Lock() | ||
426 | defer l.mu.Unlock() | ||
427 | return l.prefix | ||
428 | } | ||
429 | |||
430 | // Prefix returns the prefix used by the standard logger of the package. | ||
431 | func Prefix() string { | ||
432 | return std.Prefix() | ||
433 | } | ||
434 | |||
435 | // SetPrefix sets the prefix for the logger. | ||
436 | func (l *Logger) SetPrefix(prefix string) { | ||
437 | l.mu.Lock() | ||
438 | defer l.mu.Unlock() | ||
439 | l.prefix = prefix | ||
440 | } | ||
441 | |||
442 | // SetPrefix sets the prefix of the standard logger of the package. | ||
443 | func SetPrefix(prefix string) { | ||
444 | std.SetPrefix(prefix) | ||
445 | } | ||
446 | |||
447 | // SetOutput sets the output of the logger. | ||
448 | func (l *Logger) SetOutput(w io.Writer) { | ||
449 | l.mu.Lock() | ||
450 | defer l.mu.Unlock() | ||
451 | l.out = w | ||
452 | } | ||
453 | |||
454 | // SetOutput sets the output for the standard logger of the package. | ||
455 | func SetOutput(w io.Writer) { | ||
456 | std.SetOutput(w) | ||
457 | } | ||