2 * Copyright 2012 Clifton Royston
3 * Copyright 2013 John-Mark Gurney
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/param.h>
41 #define MAX_STR_FLAGS_RESULT 80
42 #define MAX_INT_STR_DIGITS 12
44 static const int64_t halfExabyte = (int64_t)500*1000*1000*1000*1000*1000L;
54 /* tests 0-13 test 1000 suffixes */
55 { 2, "0 ", (int64_t)0L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
56 { 3, "1 k", (int64_t)500L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
57 { 3, "1 M", (int64_t)500*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
58 { 3, "1 G", (int64_t)500*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
59 { 3, "1 T", (int64_t)500*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
60 { 3, "1 P", (int64_t)500*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
61 { 3, "1 E", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
62 { 2, "1 ", (int64_t)1L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
63 { 3, "2 k", (int64_t)1500L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
64 { 3, "2 M", (int64_t)1500*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
65 { 3, "2 G", (int64_t)1500*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
66 { 3, "2 T", (int64_t)1500*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
67 { 3, "2 P", (int64_t)1500*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
68 { 3, "2 E", (int64_t)1500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
70 /* tests 14-27 test 1024 suffixes */
71 { 2, "0 ", (int64_t)0L, 0, HN_AUTOSCALE, 4 },
72 { 3, "1 K", (int64_t)512L, 0, HN_AUTOSCALE, 4 },
73 { 3, "1 M", (int64_t)512*1024L, 0, HN_AUTOSCALE, 4 },
74 { 3, "1 G", (int64_t)512*1024*1024L, 0, HN_AUTOSCALE, 4 },
75 { 3, "1 T", (int64_t)512*1024*1024*1024L, 0, HN_AUTOSCALE, 4 },
76 { 3, "1 P", (int64_t)512*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 4 },
77 { 3, "1 E", (int64_t)512*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 4 },
78 { 2, "1 ", (int64_t)1L, 0, HN_AUTOSCALE, 4 },
79 { 3, "2 K", (int64_t)1536L, 0, HN_AUTOSCALE, 4 },
80 { 3, "2 M", (int64_t)1536*1024L, 0, HN_AUTOSCALE, 4 },
81 { 3, "2 G", (int64_t)1536*1024*1024L, 0, HN_AUTOSCALE, 4 },
82 { 3, "2 T", (int64_t)1536*1024*1024*1024L, 0, HN_AUTOSCALE, 4 },
83 { 3, "2 P", (int64_t)1536*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 4 },
84 { 3, "2 E", (int64_t)1536*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 4 },
86 /* tests 28-37 test rounding */
87 { 3, "0 M", (int64_t)500*1000L-1, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
88 { 3, "1 M", (int64_t)500*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
89 { 3, "1 M", (int64_t)1000*1000L + 500*1000L-1, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
90 { 3, "2 M", (int64_t)1000*1000L + 500*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 4 },
91 { 3, "0 K", (int64_t)512L-1, 0, HN_AUTOSCALE, 4 },
92 { 3, "1 K", (int64_t)512L, 0, HN_AUTOSCALE, 4 },
93 { 3, "0 M", (int64_t)512*1024L-1, 0, HN_AUTOSCALE, 4 },
94 { 3, "1 M", (int64_t)512*1024L, 0, HN_AUTOSCALE, 4 },
95 { 3, "1 M", (int64_t)1024*1024L + 512*1024L-1, 0, HN_AUTOSCALE, 4 },
96 { 3, "2 M", (int64_t)1024*1024L + 512*1024L, 0, HN_AUTOSCALE, 4 },
98 /* tests 38-61 test specific scale factors with 1000 divisor */
99 { 3, "0 k", (int64_t)0L, HN_DIVISOR_1000, 1, 4 },
100 { 3, "1 k", (int64_t)500L, HN_DIVISOR_1000, 1, 4 },
101 { 3, "0 M", (int64_t)500L, HN_DIVISOR_1000, 2, 4 },
102 { 3, "1 M", (int64_t)500*1000L, HN_DIVISOR_1000, 2, 4 },
103 { 3, "0 G", (int64_t)500*1000L, HN_DIVISOR_1000, 3, 4 },
104 { 3, "1 G", (int64_t)500*1000*1000L, HN_DIVISOR_1000, 3, 4 },
105 { 3, "0 T", (int64_t)500*1000*1000L, HN_DIVISOR_1000, 4, 4 },
106 { 3, "1 T", (int64_t)500*1000*1000*1000L, HN_DIVISOR_1000, 4, 4 },
107 { 3, "0 P", (int64_t)500*1000*1000*1000L, HN_DIVISOR_1000, 5, 4 },
108 { 3, "1 P", (int64_t)500*1000*1000*1000*1000L, HN_DIVISOR_1000, 5, 4 },
109 { 3, "0 E", (int64_t)500*1000*1000*1000*1000L, HN_DIVISOR_1000, 6, 4 },
110 { 3, "1 E", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6, 4 },
111 { 3, "0 k", (int64_t)1L, HN_DIVISOR_1000, 1, 4 },
112 { 3, "2 k", (int64_t)1500L, HN_DIVISOR_1000, 1, 4 },
113 { 3, "0 M", (int64_t)1500L, HN_DIVISOR_1000, 2, 4 },
114 { 3, "2 M", (int64_t)1500*1000L, HN_DIVISOR_1000, 2, 4 },
115 { 3, "0 G", (int64_t)1500*1000L, HN_DIVISOR_1000, 3, 4 },
116 { 3, "2 G", (int64_t)1500*1000*1000L, HN_DIVISOR_1000, 3, 4 },
117 { 3, "0 T", (int64_t)1500*1000*1000L, HN_DIVISOR_1000, 4, 4 },
118 { 3, "2 T", (int64_t)1500*1000*1000*1000L, HN_DIVISOR_1000, 4, 4 },
119 { 3, "0 P", (int64_t)1500*1000*1000*1000L, HN_DIVISOR_1000, 5, 4 },
120 { 3, "2 P", (int64_t)1500*1000*1000*1000*1000L, HN_DIVISOR_1000, 5, 4 },
121 { 3, "0 E", (int64_t)1500*1000*1000*1000*1000L, HN_DIVISOR_1000, 6, 4 },
122 { 3, "2 E", (int64_t)1500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6, 4 },
124 /* tests 62-85 test specific scale factors with 1024 divisor */
125 { 3, "0 K", (int64_t)0L, 0, 1, 4 },
126 { 3, "1 K", (int64_t)512L, 0, 1, 4 },
127 { 3, "0 M", (int64_t)512L, 0, 2, 4 },
128 { 3, "1 M", (int64_t)512*1024L, 0, 2, 4 },
129 { 3, "0 G", (int64_t)512*1024L, 0, 3, 4 },
130 { 3, "1 G", (int64_t)512*1024*1024L, 0, 3, 4 },
131 { 3, "0 T", (int64_t)512*1024*1024L, 0, 4, 4 },
132 { 3, "1 T", (int64_t)512*1024*1024*1024L, 0, 4, 4 },
133 { 3, "0 P", (int64_t)512*1024*1024*1024L, 0, 5, 4 },
134 { 3, "1 P", (int64_t)512*1024*1024*1024*1024L, 0, 5, 4 },
135 { 3, "0 E", (int64_t)512*1024*1024*1024*1024L, 0, 6, 4 },
136 { 3, "1 E", (int64_t)512*1024*1024*1024*1024*1024L, 0, 6, 4 },
137 { 3, "0 K", (int64_t)1L, 0, 1, 4 },
138 { 3, "2 K", (int64_t)1536L, 0, 1, 4 },
139 { 3, "0 M", (int64_t)1536L, 0, 2, 4 },
140 { 3, "2 M", (int64_t)1536*1024L, 0, 2, 4 },
141 { 3, "0 G", (int64_t)1536*1024L, 0, 3, 4 },
142 { 3, "2 G", (int64_t)1536*1024*1024L, 0, 3, 4 },
143 { 3, "0 T", (int64_t)1536*1024*1024L, 0, 4, 4 },
144 { 3, "2 T", (int64_t)1536*1024*1024*1024L, 0, 4, 4 },
145 { 3, "0 P", (int64_t)1536*1024*1024*1024L, 0, 5, 4 },
146 { 3, "2 P", (int64_t)1536*1024*1024*1024*1024L, 0, 5, 4 },
147 { 3, "0 E", (int64_t)1536*1024*1024*1024*1024L, 0, 6, 4 },
148 { 3, "2 E", (int64_t)1536*1024*1024*1024*1024*1024L, 0, 6, 4 },
150 /* tests 86-99 test invalid specific scale values of < 0 or >= 7 with
151 and without HN_DIVISOR_1000 set */
152 /* all should return errors with new code; with old, the latter 3
153 are instead processed as if having AUTOSCALE and/or GETSCALE set */
154 { -1, "", (int64_t)1L, 0, 7, 4 },
155 { -1, "", (int64_t)1L, HN_DIVISOR_1000, 7, 4 },
156 { -1, "", (int64_t)1L, 0, 1000, 4 },
157 { -1, "", (int64_t)1L, HN_DIVISOR_1000, 1000, 4 },
158 { -1, "", (int64_t)0L, 0, 1000*1000, 4 },
159 { -1, "", (int64_t)0L, HN_DIVISOR_1000, 1000*1000, 4 },
160 { -1, "", (int64_t)0L, 0, INT_MAX, 4 },
161 { -1, "", (int64_t)0L, HN_DIVISOR_1000, INT_MAX, 4 },
163 /* Negative scale values are not handled well
164 by the existing library routine - should report as error */
165 /* all should return errors with new code, fail assertion with old */
167 { -1, "", (int64_t)1L, 0, -1, 4 },
168 { -1, "", (int64_t)1L, HN_DIVISOR_1000, -1, 4 },
169 { -1, "", (int64_t)1L, 0, -1000, 4 },
170 { -1, "", (int64_t)1L, HN_DIVISOR_1000, -1000, 4 },
172 /* __INT_MIN doesn't print properly, skipped. */
174 { -1, "", (int64_t)1L, 0, -__INT_MAX, 4 },
175 { -1, "", (int64_t)1L, HN_DIVISOR_1000, -__INT_MAX, 4 },
178 /* tests for scale == 0, without autoscale */
179 /* tests 100-114 test scale 0 with 1000 divisor - print first N digits */
180 { 2, "0 ", (int64_t)0L, HN_DIVISOR_1000, 0, 4 },
181 { 2, "1 ", (int64_t)1L, HN_DIVISOR_1000, 0, 4 },
182 { 3, "10 ", (int64_t)10L, HN_DIVISOR_1000, 0, 4 },
183 { 3, "0 M", (int64_t)150L, HN_DIVISOR_1000, HN_NOSPACE, 4 },
184 { 3, "0 M", (int64_t)500L, HN_DIVISOR_1000, HN_NOSPACE, 4 },
185 { 3, "0 M", (int64_t)999L, HN_DIVISOR_1000, HN_NOSPACE, 4 },
186 { 4, "150", (int64_t)150L, HN_DIVISOR_1000, 0, 4 },
187 { 4, "500", (int64_t)500L, HN_DIVISOR_1000, 0, 4 },
188 { 4, "999", (int64_t)999L, HN_DIVISOR_1000, 0, 4 },
189 { 5, "100", (int64_t)1000L, HN_DIVISOR_1000, 0, 4 },
190 { 5, "150", (int64_t)1500L, HN_DIVISOR_1000, 0, 4 },
191 { 7, "500", (int64_t)500*1000L, HN_DIVISOR_1000, 0, 4 },
192 { 8, "150", (int64_t)1500*1000L, HN_DIVISOR_1000, 0, 4 },
193 { 10, "500", (int64_t)500*1000*1000L, HN_DIVISOR_1000, 0, 4 },
194 { 11, "150", (int64_t)1500*1000*1000L, HN_DIVISOR_1000, 0, 4 },
196 /* tests 115-126 test scale 0 with 1024 divisor - print first N digits */
197 { 2, "0 ", (int64_t)0L, 0, 0, 4 },
198 { 2, "1 ", (int64_t)1L, 0, 0, 4 },
199 { 3, "10 ", (int64_t)10L, 0, 0, 4 },
200 { 4, "150", (int64_t)150L, 0, 0, 4 },
201 { 4, "500", (int64_t)500L, 0, 0, 4 },
202 { 4, "999", (int64_t)999L, 0, 0, 4 },
203 { 5, "100", (int64_t)1000L, 0, 0, 4 },
204 { 5, "150", (int64_t)1500L, 0, 0, 4 },
205 { 7, "500", (int64_t)500*1000L, 0, 0, 4 },
206 { 8, "150", (int64_t)1500*1000L, 0, 0, 4 },
207 { 10, "500", (int64_t)500*1000*1000L, 0, 0, 4 },
208 { 11, "150", (int64_t)1500*1000*1000L, 0, 0, 4 },
210 /* Test case for rounding of edge numbers around 999.5+, see PR224498.
211 * Require buflen >= 5 */
212 { 4, "1.0M", (int64_t)1023500, HN_DECIMAL|HN_B|HN_NOSPACE, HN_AUTOSCALE, 5 },
214 /* Test boundary cases for very large positive/negative number formatting */
215 /* Explicit scale, divisor 1024 */
217 /* Requires buflen >= 6 */
218 { 3, "8 E", INT64_MAX, 0, 6, 6 },
219 { 4, "-8 E", -INT64_MAX, 0, 6, 6 },
220 { 3, "0 E", (int64_t)92*1024*1024*1024*1024*1024L, 0, 6, 6 },
221 { 3, "0 E", -(int64_t)92*1024*1024*1024*1024*1024L, 0, 6, 6 },
222 { 3, "0 E", (int64_t)82*1024*1024*1024*1024*1024L, 0, 6, 6 },
223 { 3, "0 E", -(int64_t)82*1024*1024*1024*1024*1024L, 0, 6, 6 },
224 { 3, "0 E", (int64_t)81*1024*1024*1024*1024*1024L, 0, 6, 6 },
225 { 3, "0 E", -(int64_t)81*1024*1024*1024*1024*1024L, 0, 6, 6 },
226 { 4, "92 P", (int64_t)92*1024*1024*1024*1024*1024L, 0, 5, 6 },
227 { 5, "-92 P", -(int64_t)92*1024*1024*1024*1024*1024L, 0, 5, 6 },
228 { 4, "82 P", (int64_t)82*1024*1024*1024*1024*1024L, 0, 5, 6 },
229 { 5, "-82 P", -(int64_t)82*1024*1024*1024*1024*1024L, 0, 5, 6 },
230 { 4, "81 P", (int64_t)81*1024*1024*1024*1024*1024L, 0, 5, 6 },
231 { 5, "-81 P", -(int64_t)81*1024*1024*1024*1024*1024L, 0, 5, 6 },
233 /* Explicit scale, divisor 1000 */
234 { 3, "9 E", INT64_MAX, HN_DIVISOR_1000, 6, 6 },
235 { 4, "-9 E", -INT64_MAX, HN_DIVISOR_1000, 6, 6 },
236 { 3, "0 E", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 6, 6 },
237 { 3, "0 E", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 6, 6 },
238 { 3, "0 E", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 6, 6 },
239 { 3, "0 E", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 6, 6 },
240 { 4, "92 P", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 5, 6 },
241 { 5, "-92 P", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 5, 6 },
242 { 4, "91 P", (int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 5, 6 },
243 { 5, "-91 P", -(int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 5, 6 },
245 /* Autoscale, divisor 1024 */
246 { 3, "8 E", INT64_MAX, 0, HN_AUTOSCALE, 6 },
247 { 4, "-8 E", -INT64_MAX, 0, HN_AUTOSCALE, 6 },
248 { 4, "92 P", (int64_t)92*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 6 },
249 { 5, "-92 P", -(int64_t)92*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 6 },
250 { 4, "82 P", (int64_t)82*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 6 },
251 { 5, "-82 P", -(int64_t)82*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 6 },
252 { 4, "81 P", (int64_t)81*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 6 },
253 { 5, "-81 P", -(int64_t)81*1024*1024*1024*1024*1024L, 0, HN_AUTOSCALE, 6 },
254 /* Autoscale, divisor 1000 */
255 { 3, "9 E", INT64_MAX, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
256 { 4, "-9 E", -INT64_MAX, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
257 { 4, "92 P", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
258 { 5, "-92 P", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
259 { 4, "91 P", (int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
260 { 5, "-91 P", -(int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
262 /* 0 scale, divisor 1024 */
263 { 12, "skdj", INT64_MAX, 0, 0, 6 },
264 { 21, "-9223", -INT64_MAX, 0, 0, 6 },
265 { 19, "10358", (int64_t)92*1024*1024*1024*1024*1024L, 0, 0, 6 },
266 { 20, "-1035", -(int64_t)92*1024*1024*1024*1024*1024L, 0, 0, 6 },
267 { 18, "92323", (int64_t)82*1024*1024*1024*1024*1024L, 0, 0, 6 },
268 { 19, "-9232", -(int64_t)82*1024*1024*1024*1024*1024L, 0, 0, 6 },
269 { 18, "91197", (int64_t)81*1024*1024*1024*1024*1024L, 0, 0, 6 },
270 { 19, "-9119", -(int64_t)81*1024*1024*1024*1024*1024L, 0, 0, 6 },
272 /* 0 scale, divisor 1000 */
273 /* XXX - why does this fail? */
274 { -1, "", INT64_MAX, HN_DIVISOR_1000, 0, 6 },
275 { 21, "-9223", -INT64_MAX, HN_DIVISOR_1000, 0, 6 },
276 { 19, "10358", (int64_t)92*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0, 6 },
277 { 20, "-1035", -(int64_t)92*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0, 6 },
278 { 18, "92323", (int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0, 6 },
279 { 19, "-9232", -(int64_t)82*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0, 6 },
280 /* Expected to pass */
281 { 18, "91197", (int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0, 6 },
282 { 19, "-9119", -(int64_t)81*1024*1024*1024*1024*1024L, HN_DIVISOR_1000, 0, 6 },
286 /* Need to implement tests for GETSCALE */
287 /* { ?, "", (int64_t)0L, HN_DIVISOR_1000, HN_GETSCALE, 6 },
290 /* Tests for HN_DECIMAL */
291 /* Positive, Autoscale */
292 { 5, "500 k", (int64_t)500*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
293 { 5, "994 k", (int64_t)994*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
294 { 5, "995 k", (int64_t)995*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
295 { 5, "999 k", (int64_t)999*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
296 { 5, "1.0 M", (int64_t)1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
297 { 5, "1.5 M", (int64_t)1500*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
298 { 5, "1.9 M", (int64_t)1949*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
299 { 5, "2.0 M", (int64_t)1950*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
300 { 5, "9.9 M", (int64_t)9949*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
301 { 4, "10 M", (int64_t)9950*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
302 { 5, "500 M", (int64_t)500*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
303 { 5, "994 M", (int64_t)994*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
304 { 5, "995 M", (int64_t)995*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
305 { 5, "999 M", (int64_t)999*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
307 { 5, "500 K", (int64_t)500*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
308 { 5, "994 K", (int64_t)994*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
309 { 5, "995 K", (int64_t)995*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
310 { 5, "999 K", (int64_t)999*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
311 { 5, "1.0 M", (int64_t)1000*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
312 { 5, "1.0 M", (int64_t)1018*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
313 { 5, "1.0 M", (int64_t)1019*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
314 { 5, "1.5 M", (int64_t)1536*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
315 { 5, "1.9 M", (int64_t)1996*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
316 { 5, "2.0 M", (int64_t)1997*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
317 { 5, "2.0 M", (int64_t)2047*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
318 { 5, "2.0 M", (int64_t)2048*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
319 { 5, "2.0 M", (int64_t)2099*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
320 { 5, "2.1 M", (int64_t)2100*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
321 { 5, "9.9 M", (int64_t)10188*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
322 /* XXX - shouldn't the following two be "10. M"? */
323 { 4, "10 M", (int64_t)10189*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
324 { 4, "10 M", (int64_t)10240*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
325 { 5, "500 M", (int64_t)500*1024*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
326 { 5, "994 M", (int64_t)994*1024*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
327 { 5, "995 M", (int64_t)995*1024*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
328 { 5, "999 M", (int64_t)999*1024*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
329 { 5, "1.0 G", (int64_t)1000*1024*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
330 { 5, "1.0 G", (int64_t)1023*1024*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
332 /* Negative, Autoscale - should pass */
333 { 6, "-1.5 ", -(int64_t)1500*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
334 { 6, "-1.9 ", -(int64_t)1949*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
335 { 6, "-9.9 ", -(int64_t)9949*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
337 { 6, "-1.5 ", -(int64_t)1536*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
338 { 6, "-1.9 ", -(int64_t)1949*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
339 { 6, "-9.7 ", -(int64_t)9949*1024L, HN_DECIMAL, HN_AUTOSCALE, 6 },
341 /* Positive/negative, at maximum scale */
342 { 5, "500 P", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
343 { 5, "1.9 E", (int64_t)1949*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
344 { 5, "8.9 E", (int64_t)8949*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
345 { 5, "9.2 E", INT64_MAX, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
346 /* Negatives work with latest rev only: */
347 { 6, "-9.2 ", -INT64_MAX, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
348 { 6, "-8.9 ", -(int64_t)8949*1000*1000*1000*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, HN_AUTOSCALE, 6 },
350 { 5, "8.0 E", INT64_MAX, HN_DECIMAL, HN_AUTOSCALE, 6 },
351 { 5, "7.9 E", INT64_MAX-(int64_t)100*1024*1024*1024*1024*1024LL, HN_DECIMAL, HN_AUTOSCALE, 6 },
352 { 6, "-8.0 ", -INT64_MAX, HN_DECIMAL, HN_AUTOSCALE, 6 },
353 { 6, "-7.9 ", -INT64_MAX+(int64_t)100*1024*1024*1024*1024*1024LL, HN_DECIMAL, HN_AUTOSCALE, 6 },
355 /* Positive, Fixed scales */
356 { 5, "500 k", (int64_t)500*1000L, HN_DECIMAL|HN_DIVISOR_1000, 1, 6 },
357 { 5, "0.5 M", (int64_t)500*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
358 { 5, "949 k", (int64_t)949*1000L, HN_DECIMAL|HN_DIVISOR_1000, 1, 6 },
359 { 5, "0.9 M", (int64_t)949*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
360 { 5, "950 k", (int64_t)950*1000L, HN_DECIMAL|HN_DIVISOR_1000, 1, 6 },
361 { 5, "1.0 M", (int64_t)950*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
362 { 5, "999 k", (int64_t)999*1000L, HN_DECIMAL|HN_DIVISOR_1000, 1, 6 },
363 { 5, "1.0 M", (int64_t)999*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
364 { 5, "1.5 M", (int64_t)1500*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
365 { 5, "1.9 M", (int64_t)1949*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
366 { 5, "2.0 M", (int64_t)1950*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
367 { 5, "9.9 M", (int64_t)9949*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
368 { 4, "10 M", (int64_t)9950*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
369 { 5, "500 M", (int64_t)500*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
370 { 5, "0.5 G", (int64_t)500*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, 3, 6 },
371 { 5, "999 M", (int64_t)999*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, 2, 6 },
372 { 5, "1.0 G", (int64_t)999*1000*1000L, HN_DECIMAL|HN_DIVISOR_1000, 3, 6 },
373 /* Positive/negative, at maximum scale */
374 { 5, "500 P", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 5, 6 },
375 { 5, "1.0 E", (int64_t)500*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6, 6 },
376 { 5, "1.9 E", (int64_t)1949*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6, 6 },
377 { 5, "8.9 E", (int64_t)8949*1000*1000*1000*1000*1000L, HN_DIVISOR_1000, 6, 6 },
378 { 5, "9.2 E", INT64_MAX, HN_DECIMAL|HN_DIVISOR_1000, 6, 6 },
380 /* HN_DECIMAL + binary + fixed scale cases not completed */
381 { 5, "512 K", (int64_t)512*1024L, HN_DECIMAL, 1, 6 },
382 { 5, "0.5 M", (int64_t)512*1024L, HN_DECIMAL, 2, 6 },
384 /* Negative, Fixed scales */
385 /* Not yet added, but should work with latest rev */
390 /* Command line options usage */
392 usage(char * progname) {
393 printf("%s: tests libutil humanize_number function\n", progname);
394 printf("Usage: %s [-nE] [-l num] [-v]\n\n", progname);
395 printf("Options:\n");
396 printf("\t-l num\tSet max length for result; buflen = num + 1\n");
397 printf("\t\t (NOTE: does not change expected result strings.)\n");
398 printf("\t-n\tInclude negative scale tests, which cause older libutil\n");
399 printf("\t\t version of function to coredump with assertion failure\n");
400 printf("\t-E\tInclude numbers > 1/2 Exa[byte] which currently fail\n");
401 printf("\t-v\tVerbose - always print summary results\n");
402 printf("\t-h, -?\tShow options\n");
405 /* Parse command line options */
407 read_options(int argc, char * const argv[], size_t *bufLength,
408 int *includeNegativeScale, int *includeExabytes, int *verbose) {
412 while ((ch = getopt(argc, argv, "nEh?vl:")) != -1) {
417 break; /* UNREACHABLE */
422 break; /* UNREACHABLE */
424 sscanf(optarg, "%zu", &temp);
425 *bufLength = temp + 1;
428 *includeNegativeScale = 1;
431 *includeExabytes = 1;
444 { HN_AUTOSCALE, "HN_AUTOSCALE" },
445 { HN_GETSCALE, "HN_GETSCALE" },
446 { HN_DIVISOR_1000, "HN_DIVISOR_1000" },
448 { HN_DECIMAL, "HN_DECIMAL" },
451 static const char *separator = "|";
453 /* Format flags parameter for meaningful display */
455 str_flags(int hn_flags, char *noFlags) {
459 result = malloc(MAX_STR_FLAGS_RESULT);
462 for (i = 0; i < sizeof flags / sizeof *flags; i++) {
463 if (hn_flags & flags[i].value) {
465 strlcat(result, separator,
466 MAX_STR_FLAGS_RESULT);
467 strlcat(result, flags[i].name, MAX_STR_FLAGS_RESULT);
471 if (strlen(result) == 0)
472 strlcat(result, noFlags, MAX_STR_FLAGS_RESULT);
477 /* Format scale parameter for meaningful display */
479 str_scale(int scale) {
482 if (scale == HN_AUTOSCALE || scale == HN_GETSCALE)
483 return str_flags(scale, "");
485 result = malloc(MAX_INT_STR_DIGITS);
487 snprintf(result, MAX_INT_STR_DIGITS, "%d", scale);
492 testskipped(size_t i)
495 printf("ok %zu # skip - not turned on\n", i);
499 main(int argc, char * const argv[])
502 char *flag_str, *scale_str;
503 size_t blen, buflen, errcnt, i, skipped, tested;
506 int includeExabyteTests;
512 includeExabyteTests = 0;
515 read_options(argc, argv, &buflen, &includeNegScale,
516 &includeExabyteTests, &verbose);
523 printf("Warning: buffer size %zu != 4, expect some results to differ.\n", buflen);
525 printf("1..%zu\n", nitems(test_args));
526 for (i = 0; i < nitems(test_args); i++) {
527 blen = (buflen > 0) ? buflen : test_args[i].buflen;
528 buf = realloc(buf, blen);
530 if (test_args[i].scale < 0 && ! includeNegScale) {
535 if (test_args[i].num >= halfExabyte && ! includeExabyteTests) {
541 r = humanize_number(buf, blen, test_args[i].num, "",
542 test_args[i].scale, test_args[i].flags);
543 flag_str = str_flags(test_args[i].flags, "[no flags]");
544 scale_str = str_scale(test_args[i].scale);
546 if (r != test_args[i].retval) {
548 printf("wrong return value on index %zu, "
549 "buflen: %zu, got: %d + \"%s\", "
550 "expected %d + \"%s\"; num = %jd, "
551 "scale = %s, flags= %s.\n",
552 i, blen, r, buf, test_args[i].retval,
554 (intmax_t)test_args[i].num,
555 scale_str, flag_str);
557 printf("not ok %zu # return %d != %d\n",
558 i + 1, r, test_args[i].retval);
560 } else if (strcmp(buf, test_args[i].res) != 0) {
562 printf("result mismatch on index %zu, got: "
563 "\"%s\", expected \"%s\"; num = %jd, "
564 "buflen: %zu, scale = %s, flags= %s.\n",
565 i, buf, test_args[i].res,
566 (intmax_t)test_args[i].num,
567 blen, scale_str, flag_str);
569 printf("not ok %zu # buf \"%s\" != \"%s\"\n",
570 i + 1, buf, test_args[i].res);
574 printf("successful result on index %zu, "
575 "returned %d, got: \"%s\"; num = %jd, "
576 "buflen = %zd, scale = %s, flags= %s.\n",
577 i, r, buf, (intmax_t)test_args[i].num,
578 blen, scale_str, flag_str);
580 printf("ok %zu\n", i + 1);
587 printf("total errors: %zu/%zu tests, %zu skipped\n", errcnt,