X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fdynamic-string.h;h=227234379b28c7577ea597347f3aaad289556e99;hb=0ef165ecb57943e17a8ee8270df68ffb8d032e29;hp=30da5fad9cd422f0b7fe258b09f2f29078dfa8a6;hpb=064af42167bf4fc9aaea2702d80ce08074b889c0;p=sliver-openvswitch.git diff --git a/lib/dynamic-string.h b/lib/dynamic-string.h index 30da5fad9..227234379 100644 --- a/lib/dynamic-string.h +++ b/lib/dynamic-string.h @@ -1,17 +1,17 @@ /* - * Copyright (c) 2008 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc. * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. */ #ifndef DYNAMIC_STRING_H @@ -22,10 +22,16 @@ #include #include #include +#include #include "compiler.h" -struct tm; - +/* A "dynamic string", that is, a buffer that can be used to construct a + * string across a series of operations that extend or modify it. + * + * The 'string' member does not always point to a null-terminated string. + * Initially it is NULL, and even when it is nonnull, some operations do not + * ensure that it is null-terminated. Use ds_cstr() to ensure that memory is + * allocated for the string and that it is null-terminated. */ struct ds { char *string; /* Null-terminated string. */ size_t length; /* Bytes used, not including null terminator. */ @@ -39,24 +45,48 @@ void ds_clear(struct ds *); void ds_truncate(struct ds *, size_t new_length); void ds_reserve(struct ds *, size_t min_length); char *ds_put_uninit(struct ds *, size_t n); -void ds_put_char(struct ds *, char); +static inline void ds_put_char(struct ds *, char); +void ds_put_utf8(struct ds *, int uc); void ds_put_char_multiple(struct ds *, char, size_t n); void ds_put_buffer(struct ds *, const char *, size_t n); void ds_put_cstr(struct ds *, const char *); +void ds_put_and_free_cstr(struct ds *, char *); void ds_put_format(struct ds *, const char *, ...) PRINTF_FORMAT(2, 3); void ds_put_format_valist(struct ds *, const char *, va_list) PRINTF_FORMAT(2, 0); void ds_put_printable(struct ds *, const char *, size_t); -void ds_put_strftime(struct ds *, const char *, const struct tm *) - STRFTIME_FORMAT(2); void ds_put_hex_dump(struct ds *ds, const void *buf_, size_t size, uintptr_t ofs, bool ascii); int ds_get_line(struct ds *, FILE *); +int ds_get_preprocessed_line(struct ds *, FILE *, int *line_number); +int ds_get_test_line(struct ds *, FILE *); + +void ds_put_strftime_msec(struct ds *, const char *template, long long int when, + bool utc); +char *xastrftime_msec(const char *template, long long int when, bool utc); char *ds_cstr(struct ds *); +const char *ds_cstr_ro(const struct ds *); +char *ds_steal_cstr(struct ds *); void ds_destroy(struct ds *); +void ds_swap(struct ds *, struct ds *); int ds_last(const struct ds *); void ds_chomp(struct ds *, int c); + +/* Inline functions. */ + +void ds_put_char__(struct ds *, char); + +static inline void +ds_put_char(struct ds *ds, char c) +{ + if (ds->length < ds->allocated) { + ds->string[ds->length++] = c; + ds->string[ds->length] = '\0'; + } else { + ds_put_char__(ds, c); + } +} #endif /* dynamic-string.h */