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Added Buffer to njs Reference.
author Yaroslav Zhuravlev <yar@nginx.com>
date Thu, 08 Oct 2020 11:36:19 +0100
parents 0ec1e1b063d7
children 6fdefb00858f
comparison
equal deleted inserted replaced
2608:249ae2577aac 2609:99bd2ae8d2be
870 870
871 871
872 <section id="built-in" name="Built-in Modules"> 872 <section id="built-in" name="Built-in Modules">
873 873
874 874
875 <section id="buffer" name="Buffer">
876
877 <para>
878 <list type="tag">
879
880 <tag-name id="buffer_alloc"><literal>Buffer.alloc(<value>size</value>[,
881 <value>fill</value>[,
882 <value>encoding</value>]]))</literal></tag-name>
883 <tag-desc>
884 <para>
885 Allocates a new Buffer of a specified <value>size</value>.
886 If <value>fill</value> is not specified, the Buffer will be zero-filled.
887 If <value>fill</value> is specified,
888 the allocated Buffer will be initialized by calling
889 <link id="buf_fill"><literal>buf.fill(fill)</literal></link>.
890 If <value>fill</value> and <value>encoding</value> are specified,
891 the allocated Buffer will be initialized by calling
892 <link id="buf_fill"><literal>buf.fill(fill,
893 encoding)</literal></link>.
894 </para>
895
896 <para>
897 The <value>fill</value> parameter may be a
898 <value>string</value>,
899 <value>Buffer</value>,
900 <value>Uint8Array</value>, or
901 <value>integer</value>.
902 </para>
903 </tag-desc>
904
905 <tag-name id="buffer_alloc_unsafe"><literal>Buffer.allocUnsafe(<value>size</value>)</literal></tag-name>
906 <tag-desc>
907 <para>
908 The same as
909 <link id="buffer_alloc"><literal>Buffer.alloc()</literal></link>,
910 with the difference that the memory allocated for the buffer is not initialized,
911 the contents of the new buffer is unknown and may contain sensitive data.
912 </para>
913 </tag-desc>
914
915 <tag-name id="buffer_bytelength"><literal>Buffer.byteLength(<value>value</value>[,
916 <value>encoding</value>])</literal></tag-name>
917 <tag-desc>
918 Returns the byte length of a specified value,
919 when encoded using <value>encoding</value>.
920 The value can be a
921 <literal>string</literal>,
922 <literal>Buffer</literal>,
923 <literal>TypedArray</literal>,
924 <literal>DataView</literal>, or
925 <literal>ArrayBuffer</literal>.
926 If the value is a <value>string</value>,
927 the <literal>encoding</literal> parameter is its encoding, can be
928 <value>utf-8</value>,
929 <value>hex</value>,
930 <value>base64</value>,
931 <value>base64url</value>;
932 by default is <value>utf-8</value>.
933 </tag-desc>
934
935 <tag-name id="buffer_compare"><literal>Buffer.compare(<value>buffer1</value>,
936 <value>buffer2</value>)</literal></tag-name>
937 <tag-desc>
938 Compares <value>buffer1</value> with <value>buffer2</value>
939 when sorting arrays of Buffer instances.
940 Returns
941 <literal>0</literal> if
942 <value>buffer1</value> is the same as <value>buffer2</value>,
943 <literal>1</literal> if
944 <value>buffer2</value> should come before <value>buffer1</value> when sorted, or
945 <literal>-1</literal> if
946 <value>buffer2</value> should come after <value>buffer1</value> when sorted.
947 </tag-desc>
948
949 <tag-name id="buffer_concat"><literal>Buffer.concat(<value>list</value>[,
950 <value>totalLength</value>])</literal></tag-name>
951 <tag-desc>
952 Returns a new Buffer
953 which is the result of concatenating all the Buffer instances in the list.
954 If there are no items in the list or the total length is 0,
955 a new zero-length Buffer is returned.
956 If <value>totalLength</value> is not specified,
957 it is calculated from the Buffer instances in list by adding their lengths.
958 If <value>totalLength</value> is specified,
959 it is coerced to an unsigned integer.
960 If the combined length of the Buffers in list exceeds
961 <value>totalLength</value>,
962 the result is truncated to <value>totalLength</value>.
963 </tag-desc>
964
965 <tag-name id="buffer_from_array"><literal>Buffer.from(<value>array</value>)</literal></tag-name>
966 <tag-desc>
967 Allocates a new Buffer using an array of bytes
968 in the range <literal>0</literal> – <literal>255</literal>.
969 Array entries outside that range will be truncated.
970 </tag-desc>
971
972 <tag-name id="buffer_from_buffer"><literal>Buffer.from(<value>buffer</value>)</literal></tag-name>
973 <tag-desc>
974 Copies the passed buffer data onto a new Buffer instance.
975 </tag-desc>
976
977 <tag-name id="buffer_from_object"><literal>Buffer.from(<value>object</value>[,
978 <value>offsetOrEncoding</value>[,
979 <value>length</value>]])</literal></tag-name>
980 <tag-desc>
981 For objects whose <literal>valueOf()</literal> function
982 returns a value not strictly equal to object,
983 returns
984 <literal>Buffer.from(object.valueOf()</literal>,
985 <literal>offsetOrEncoding</literal>,
986 <literal>length</literal>).
987 </tag-desc>
988
989 <tag-name id="buffer_from_string"><literal>Buffer.from(<value>string</value>[,
990 <value>encoding</value>])</literal></tag-name>
991 <tag-desc>
992 Creates a new Buffer with a <value>string</value>.
993 The <value>encoding</value> parameter identifies the character encoding
994 to be used when converting a string into bytes.
995 The encoding can be
996 <literal>utf-8</literal>,
997 <literal>hex</literal>,
998 <literal>base64</literal>,
999 <literal>base64url</literal>;
1000 by default is <literal>utf-8</literal>.
1001 </tag-desc>
1002
1003 <tag-name id="buffer_is_buffer"><literal>Buffer.isBuffer(<value>object</value>)</literal></tag-name>
1004 <tag-desc>
1005 A boolean value,
1006 returns <literal>true</literal> if <value>object</value> is a Buffer.
1007 </tag-desc>
1008
1009 <tag-name id="buffer_is_encoding"><literal>Buffer.isEncoding(<value>encoding</value>)</literal></tag-name>
1010 <tag-desc>
1011 A boolean value,
1012 returns <literal>true</literal>
1013 if encoding is the name of a supported character encoding.
1014 </tag-desc>
1015
1016 <tag-name id="buf_index"><literal>buffer[<value>index</value>]</literal></tag-name>
1017 <tag-desc>
1018 The index operator <value>index</value>
1019 can be used to get and set the octet at position index in
1020 <literal>buffer</literal>.
1021 The values refer to individual bytes,
1022 so the legal value range is between 0 and 255 (decimal).
1023 </tag-desc>
1024
1025 <tag-name id="buf_buffer"><literal>buf.buffer</literal></tag-name>
1026 <tag-desc>
1027 The underlying <literal>ArrayBuffer</literal> object
1028 based on which this Buffer object is created.
1029 </tag-desc>
1030
1031 <tag-name id="buf_byte_offset"><literal>buf.byteOffset</literal></tag-name>
1032 <tag-desc>
1033 An integer,
1034 specifying the <literal>byteOffset</literal> of the Buffers
1035 underlying <literal>ArrayBuffer</literal> object.
1036 </tag-desc>
1037
1038 <tag-name id="buf_compare"><literal>buf.compare(<value>target</value>[,
1039 <value>targetStart</value>[,
1040 <value>targetEnd</value>[,
1041 <value>sourceStart</value>[,
1042 <value>sourceEnd</value>]]]])</literal></tag-name>
1043 <tag-desc>
1044 Compares buffer with target and returns a number
1045 indicating whether buffer comes before, after, or is the same
1046 as target in sort order.
1047 Comparison is based on the actual sequence of bytes in each Buffer.
1048 The <literal>targetStart</literal> is an integer specifying the offset
1049 within target at which to begin comparison,
1050 by default is 0.
1051 The <literal>targetEnd</literal> is an integer specifying the offset
1052 within target at which to end comparison,
1053 by default is <literal>target.length</literal>.
1054 The <literal>sourceStart</literal> is an integer specifying the offset
1055 within buffer at which to begin comparison,
1056 by default is 0.
1057 The <literal>sourceEnd</literal> is an integer specifying the offset
1058 within buffer at which to end comparison (not inclusive),
1059 by default is <literal>buf.length</literal>.
1060 </tag-desc>
1061
1062 <tag-name id="buf_copy"><literal>buf.copy(<value>target</value>[,
1063 <value>targetStart</value>[,
1064 <value>sourceStart</value>[,
1065 <value>sourceEnd</value>]]])</literal></tag-name>
1066 <tag-desc>
1067 Copies data from a region of buffer to a region in target,
1068 even if the target memory region overlaps with buffer.
1069 The <literal>target</literal> parameter is a
1070 <value>Buffer</value> or <value>Uint8Array</value> to copy into.
1071
1072 <para>
1073 The <literal>targetStart</literal> is an integer specifying the offset
1074 within target at which to begin writing,
1075 by default is 0.
1076 The <literal>sourceStart</literal> is an integer specifying the offset
1077 within buffer from which to begin copying,
1078 by default is 0.
1079 The <literal>sourceEnd</literal> is an integer specifying the offset
1080 within buffer at which to stop copying (not inclusive)
1081 by default is <value>buf.length</value>.
1082 </para>
1083 </tag-desc>
1084
1085 <tag-name id="buf_equals"><literal>buf.equals(<value>otherBuffer</value>)</literal></tag-name>
1086 <tag-desc>
1087 A boolean value,
1088 returns <literal>true</literal> if both Buffer and <value>otherBuffer</value>
1089 have exactly the same bytes.
1090 </tag-desc>
1091
1092 <tag-name id="buf_fill"><literal>buf.fill(<value>value</value>[,
1093 <value>offset</value>[,
1094 <value>end</value>]][,
1095 <value>encoding</value>])</literal></tag-name>
1096 <tag-desc>
1097 Fills the Buffer with the specified <value>value</value>.
1098 If the <value>offset</value> and <value>end</value> are not specified,
1099 the entire Buffer will be filled.
1100 The <value>value</value> is coerced to <value>uint32</value> if it is not a
1101 <literal>string</literal>,
1102 <literal>Buffer</literal>, or
1103 <literal>integer</literal>.
1104 If the resulting integer is greater than 255,
1105 the Buffer will be filled with <value>value</value> and 255.
1106 </tag-desc>
1107
1108 <tag-name id="buf_includes"><literal>buf.includes(<value>value</value>[,
1109 <value>byteOffset</value>][,
1110 <value>encoding</value>])</literal></tag-name>
1111 <tag-desc>
1112 Equivalent to
1113 <link id="buf_indexof"><literal>buf.indexOf()</literal></link>
1114 <literal>!== -1</literal>,
1115 returns <literal>true</literal> if the <value>value</value> was found
1116 in Buffer.
1117 </tag-desc>
1118
1119 <tag-name id="buf_indexof"><literal>buf.indexOf(<value>value</value>[,
1120 <value>byteOffset</value>][,
1121 <value>encoding</value>])</literal></tag-name>
1122 <tag-desc>
1123 Returns an integer which is the index of the first occurrence of
1124 <value>value</value> in Buffer, or <value>-1</value>
1125 if Buffer does not contain value.
1126 The <value>value</value> can be a
1127 <literal>string</literal> with specified <value>encoding</value>
1128 (by default <value>utf-8</value>),
1129 <literal>Buffer</literal>,
1130 <literal>Unit8Array</literal>,
1131 or a number between 0 and 255.
1132 </tag-desc>
1133
1134 <tag-name id="buf_lastindexof"><literal>buf.lastIndexOf(<value>value</value>[,
1135 <value>byteOffset</value>][,
1136 <value>encoding</value>])</literal></tag-name>
1137 <tag-desc>
1138 The same as
1139 <link id="buf_indexof"><literal>buf.indexOf()</literal></link>,
1140 except the last occurrence of the <value>value</value> is found
1141 instead of the first occurrence.
1142 The <value>value</value> can be a string, Buffer, or
1143 integer between 1 and 255.
1144 If the <value>value</value> is an empty string or empty Buffer,
1145 <literal>byteOffset</literal> will be returned.
1146 </tag-desc>
1147
1148 <tag-name id="buf_length"><literal>buf.length</literal></tag-name>
1149 <tag-desc>
1150 Returns the number of bytes in Buffer.
1151 </tag-desc>
1152
1153 <tag-name id="buf_readintbe"><literal>buf.readIntBE(<value>offset</value>,
1154 <value>byteLength</value>)</literal></tag-name>
1155 <tag-desc>
1156 Reads the <value>byteLength</value> from <literal>buf</literal>
1157 at the specified <value>offset</value>
1158 and interprets the result as a big-endian,
1159 two's complement signed value supporting up to 48 bits of accuracy.
1160 The <value>byteLength</value> parameter is an integer between 1 and 6
1161 specifying the number of bytes to read.
1162 <para>
1163 The similar methods are also supported:
1164 <literal>buf.readInt8([offset])</literal>,
1165 <literal>buf.readInt16BE([offset])</literal>,
1166 <literal>buf.readInt32BE([offset])</literal>.
1167 </para>
1168 </tag-desc>
1169
1170 <tag-name id="buf_readintle"><literal>buf.readIntLE(<value>offset</value>,
1171 <value>byteLength</value>)</literal></tag-name>
1172 <tag-desc>
1173 Reads the <value>byteLength</value> from <literal>buf</literal>
1174 at the specified <value>offset</value>
1175 and interprets the result as a little-endian,
1176 two's complement signed value supporting up to 48 bits of accuracy.
1177 The <value>byteLength</value> parameter is an integer between 1 and 6
1178 specifying the number of bytes to read.
1179 <para>
1180 The similar methods are also supported:
1181 <literal>buf.readInt8([offset])</literal>,
1182 <literal>buf.readInt16LE([offset])</literal>,
1183 <literal>buf.readInt32LE([offset])</literal>.
1184 </para>
1185 </tag-desc>
1186
1187 <tag-name id="buf_readuintbe"><literal>buf.readUIntBE(<value>offset</value>,
1188 <value>byteLength</value>)</literal></tag-name>
1189 <tag-desc>
1190 Reads the <value>byteLength</value> from <literal>buf</literal>
1191 at the specified <value>offset</value>
1192 and interprets the result as a big-endian
1193 integer supporting up to 48 bits of accuracy.
1194 The <value>byteLength</value> parameter is an integer between 1 and 6
1195 specifying the number of bytes to read.
1196 <para>
1197 The similar methods are also supported:
1198 <literal>buf.readUInt8([offset])</literal>,
1199 <literal>buf.readUInt16BE([offset])</literal>,
1200 <literal>buf.readUInt32BE([offset])</literal>.
1201 </para>
1202 </tag-desc>
1203
1204 <tag-name id="buf_readuintle"><literal>buf.readUIntLE(<value>offset</value>,
1205 <value>byteLength</value>)</literal></tag-name>
1206 <tag-desc>
1207 Reads the <value>byteLength</value> from <literal>buf</literal>
1208 at the specified <value>offset</value>
1209 and interprets the result as a little-endian
1210 integer supporting up to 48 bits of accuracy.
1211 The <value>byteLength</value> parameter is an integer between 1 and 6
1212 specifying the number of bytes to read.
1213 <para>
1214 The similar methods are also supported:
1215 <literal>buf.readUInt8([offset])</literal>,
1216 <literal>buf.readUInt16LE([offset])</literal>,
1217 <literal>buf.readUInt32LE([offset])</literal>.
1218 </para>
1219 </tag-desc>
1220
1221 <tag-name id="buf_readdobulebe"><literal>buf.readDoubleBE</literal>([<value>offset</value>])</tag-name>
1222 <tag-desc>
1223 Reads a 64-bit, big-endian double from <literal>buf</literal>
1224 at the specified <value>offset</value>.
1225 </tag-desc>
1226
1227 <tag-name id="buf_readdobulele"><literal>buf.readDoubleLE</literal>([<value>offset</value>])</tag-name>
1228 <tag-desc>
1229 Reads a 64-bit, little-endian double from <literal>buf</literal>
1230 at the specified <value>offset</value>.
1231 </tag-desc>
1232
1233 <tag-name id="buf_readfloatbe"><literal>buf.readFloatBE</literal>([<value>offset</value>])</tag-name>
1234 <tag-desc>
1235 Reads a 32-bit, big-endian float from <literal>buf</literal>
1236 at the specified <value>offset</value>.
1237 </tag-desc>
1238
1239 <tag-name id="buf_readfloatle"><literal>buf.readFloatLE</literal>([<value>offset</value>])</tag-name>
1240 <tag-desc>
1241 Reads a 32-bit, little-endian float from <literal>buf</literal>
1242 at the specified <value>offset</value>.
1243 </tag-desc>
1244
1245 <tag-name id="buf_subarray"><literal>buf.subarray[<value>start</value>[,
1246 <value>end</value>]])</literal></tag-name>
1247 <tag-desc>
1248 Returns a new <literal>buf</literal>
1249 that references the same memory as the original,
1250 but offset and cropped by
1251 <value>start</value> and <value>end</value>.
1252 If <value>end</value> is greater than
1253 <link id="buf_length"><literal>buf.length</literal></link>,
1254 the same result as that of end equal to
1255 <link id="buf_length"><literal>buf.length</literal></link>
1256 is returned.
1257 </tag-desc>
1258
1259 <tag-name id="buf_slice"><literal>buf.slice[<value>start</value>[,
1260 <value>end</value>]])</literal></tag-name>
1261 <tag-desc>
1262 Returns a new <literal>buf</literal>
1263 that references the same memory as the original,
1264 but offset and cropped by the
1265 <value>start</value> and <value>end</value> values.
1266 The method is not compatible with the
1267 <literal>Uint8Array.prototype.slice()</literal>,
1268 which is a superclass of Buffer.
1269 To copy the slice, use
1270 <literal>Uint8Array.prototype.slice()</literal>.
1271 </tag-desc>
1272
1273 <tag-name id="buf_swap16"><literal>buf.swap16</literal>()</tag-name>
1274 <tag-desc>
1275 Interprets <literal>buf</literal> as an array of unsigned 16-bit numbers
1276 and swaps the byte order in-place.
1277 Throws an error if
1278 <link id="buf_length"><literal>buf.length</literal></link>
1279 is not a multiple of 2.
1280 </tag-desc>
1281
1282 <tag-name id="buf_swap32"><literal>buf.swap32</literal>()</tag-name>
1283 <tag-desc>
1284 Interprets <literal>buf</literal> as an array of unsigned 32-bit numbers
1285 and swaps the byte order in-place.
1286 Throws an error if
1287 <link id="buf_length"><literal>buf.length</literal></link>
1288 is not a multiple of 4.
1289 </tag-desc>
1290
1291 <tag-name id="buf_swap64"><literal>buf.swap64</literal>()</tag-name>
1292 <tag-desc>
1293 Interprets <literal>buf</literal> as an array of 64-bit numbers
1294 and swaps byte order in-place.
1295 Throws an error if
1296 <link id="buf_length"><literal>buf.length</literal></link>
1297 is not a multiple of 8.
1298 </tag-desc>
1299
1300 <tag-name id="buf_tojson"><literal>buf.toJSON</literal>()</tag-name>
1301 <tag-desc>
1302 Returns a JSON representation of <literal>buf.</literal>
1303 <literal>JSON.stringify()</literal>
1304 implicitly calls this function when stringifying a Buffer instance.
1305 </tag-desc>
1306
1307 <tag-name id="buf_tostring"><literal>buf.toString([<value>encoding</value>[,
1308 <value>start</value>[,
1309 <value>end</value>]]])</literal></tag-name>
1310 <tag-desc>
1311 Decodes <literal>buf</literal> to a string
1312 according to the specified character <value>encoding</value>.
1313 which can be <value>utf-8</value>,
1314 <value>hex</value>,
1315 <value>base64</value>,
1316 <value>base64url</value>.
1317 The <value>start</value> and <value>end</value> parameters
1318 may be passed to decode only a subset of Buffer.
1319 </tag-desc>
1320
1321 <tag-name id="buf_write"><literal>buf.write(<value>string</value>[,
1322 <value>offset</value>[,
1323 <value>length</value>]][,
1324 <value>encoding</value>])</literal></tag-name>
1325 <tag-desc>
1326 Writes a <value>string</value> to <literal>buf</literal>
1327 at <value>offset</value>
1328 according to the character <value>encoding</value>.
1329 The <value>length</value> parameter is the number of bytes to write.
1330 If Buffer did not contain enough space to fit the entire string,
1331 only part of string will be written,
1332 however, partially encoded characters will not be written.
1333 The <value>encoding</value> can be
1334 <value>utf-8</value>,
1335 <value>hex</value>,
1336 <value>base64</value>,
1337 <value>base64url</value>.
1338 </tag-desc>
1339
1340 <tag-name id="buf_writeintbe"><literal>buf.writeIntBE(<value>value</value>,
1341 <value>offset</value>,
1342 <value>byteLength</value>)</literal></tag-name>
1343 <tag-desc>
1344 Writes <value>byteLength</value> bytes of <value>value</value>
1345 to <literal>buf</literal>
1346 at the specified <value>offset</value> as big-endian.
1347 Supports up to 48 bits of accuracy.
1348 The <value>byteLength</value> parameter is an integer between 1 and 6
1349 specifying the number of bytes to read.
1350 <para>
1351 The following similar methods are also supported:
1352 <literal>buf.writeInt8</literal>,
1353 <literal>buf.writeInt16BE</literal>,
1354 <literal>buf.writeInt32BE</literal>.
1355 </para>
1356 </tag-desc>
1357
1358 <tag-name id="buf_writeintle"><literal>buf.writeIntLE(<value>value</value>,
1359 <value>offset</value>,
1360 <value>byteLength</value>)</literal></tag-name>
1361 <tag-desc>
1362 Writes <value>byteLength</value> bytes of <value>value</value>
1363 to <literal>buf</literal>
1364 at the specified <value>offset</value> as little-endian.
1365 Supports up to 48 bits of accuracy.
1366 The <value>byteLength</value> parameter is an integer between 1 and 6
1367 specifying the number of bytes to read.
1368 <para>
1369 The following similar methods are also supported:
1370 <literal>buf.writeInt8</literal>,
1371 <literal>buf.writeInt16LE</literal>,
1372 <literal>buf.writeInt32LE</literal>.
1373 </para>
1374 </tag-desc>
1375
1376 <tag-name id="buf_writeuintbe"><literal>buf.writeUIntBE(<value>value</value>,
1377 <value>offset</value>,
1378 <value>byteLength</value>)</literal></tag-name>
1379 <tag-desc>
1380 Writes <value>byteLength</value> bytes of <value>value</value>
1381 to <literal>buf</literal>
1382 at the specified <value>offset</value> as big-endian.
1383 Supports up to 48 bits of accuracy.
1384 The <value>byteLength</value> parameter is an integer between 1 and 6
1385 specifying the number of bytes to read.
1386 <para>
1387 The following similar methods are also supported:
1388 <literal>buf.writeUInt8</literal>,
1389 <literal>buf.writeUInt16BE</literal>,
1390 <literal>buf.writeUInt32BE</literal>.
1391 </para>
1392 </tag-desc>
1393
1394 <tag-name id="buf_writeuintle"><literal>buf.writeUIntLE(<value>value</value>,
1395 <value>offset</value>,
1396 <value>byteLength</value>)</literal></tag-name>
1397 <tag-desc>
1398 Writes <value>byteLength</value> bytes of <value>value</value>
1399 to <literal>buf</literal>
1400 at the specified <value>offset</value> as little-endian.
1401 Supports up to 48 bits of accuracy.
1402 The <value>byteLength</value> parameter is an integer between 1 and 6
1403 specifying the number of bytes to read.
1404 <para>
1405 The following similar methods are also supported:
1406 <literal>buf.writeUInt8</literal>,
1407 <literal>buf.writeUInt16LE</literal>,
1408 <literal>buf.writeUInt32LE</literal>.
1409 </para>
1410 </tag-desc>
1411
1412 <tag-name id="buf_writedoublebe"><literal>buf.writeDoubleBE(<value>value</value>,
1413 [<value>offset</value>])</literal></tag-name>
1414 <tag-desc>
1415 Writes the <value>value</value> to <literal>buf</literal>
1416 at the specified <value>offset</value> as big-endian.
1417 </tag-desc>
1418
1419 <tag-name id="buf_writedoublele"><literal>buf.writeDoubleLE(<value>value</value>,
1420 [<value>offset</value>])</literal></tag-name>
1421 <tag-desc>
1422 Writes the <value>value</value> to <literal>buf</literal>
1423 at the specified <value>offset</value> as little-endian.
1424 </tag-desc>
1425
1426 <tag-name id="buf_writefloatbe"><literal>buf.writeFloatBE(<value>value</value>,
1427 [<value>offset</value>])</literal></tag-name>
1428 <tag-desc>
1429 Writes the <value>value</value> to <literal>buf</literal>
1430 at the specified <value>offset</value> as big-endian.
1431 </tag-desc>
1432
1433 <tag-name id="buf_writefloatle"><literal>buf.writeFloatLE(<value>value</value>,
1434 [<value>offset</value>])</literal></tag-name>
1435 <tag-desc>
1436 Writes the <value>value</value> to <literal>buf</literal>
1437 at the specified <value>offset</value> as little-endian.
1438 </tag-desc>
1439
1440 </list>
1441 </para>
1442
1443 </section>
1444
1445
875 <section id="crypto" name="Crypto"> 1446 <section id="crypto" name="Crypto">
876 1447
877 <para> 1448 <para>
878 The Crypto module provides cryptographic functionality support. 1449 The Crypto module provides cryptographic functionality support.
879 The Crypto module object is returned by <literal>require('crypto')</literal>. 1450 The Crypto module object is returned by <literal>require('crypto')</literal>.