diff options
Diffstat (limited to 'src/types/filter.c')
-rw-r--r-- | src/types/filter.c | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/src/types/filter.c b/src/types/filter.c deleted file mode 100644 index e6facc9..0000000 --- a/src/types/filter.c +++ /dev/null @@ -1,144 +0,0 @@ -/** - * coopgammad -- Cooperative gamma server - * Copyright (C) 2016 Mattias Andrée (maandree@kth.se) - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include "filter.h" -#include "../util.h" - -#include <stdlib.h> -#include <string.h> - - - -/** - * Free all resources allocated to a filter. - * The allocation of `filter` itself is not freed. - * - * @param this The filter - */ -void filter_destroy(struct filter* restrict this) -{ - free(this->class); - free(this->ramps); -} - - - -#if defined(__clang__) -# pragma GCC diagnostic ignored "-Wcast-align" -#endif - - -/** - * Marshal a filter - * - * @param this The filter - * @param buf Output buffer for the marshalled filter, - * `NULL` just measure how large the buffers - * needs to be - * @param ramps_size The byte-size of `this->ramps` - * @return The number of marshalled byte - */ -size_t filter_marshal(const struct filter* restrict this, void* restrict buf, size_t ramps_size) -{ - size_t off = 0, n; - char nonnulls = 0; - char* restrict bs = buf; - - if (bs != NULL) - { - if (this->class != NULL) nonnulls |= 1; - if (this->ramps != NULL) nonnulls |= 2; - *(bs + off) = nonnulls; - } - off += 1; - - if (bs != NULL) - *(int64_t*)(bs + off) = this->priority; - off += sizeof(int64_t); - - if (bs != NULL) - *(enum lifespan*)(bs + off) = this->lifespan; - off += sizeof(enum lifespan); - - if (this->class != NULL) - { - n = strlen(this->class) + 1; - if (bs != NULL) - memcpy(bs + off, this->class, n); - off += n; - } - - if (this->ramps != NULL) - { - if (bs != NULL) - memcpy(bs + off, this->ramps, ramps_size); - off += ramps_size; - } - - return off; -} - - -/** - * Unmarshal a filter - * - * @param this Output for the filter - * @param buf Buffer with the marshalled filter - * @param ramps_size The byte-size of `this->ramps` - * @return The number of unmarshalled bytes, 0 on error - */ -size_t filter_unmarshal(struct filter* restrict this, const void* restrict buf, size_t ramps_size) -{ - size_t off = 0, n; - char nonnulls = 0; - const char* restrict bs = buf; - - nonnulls = *(bs + off); - off += 1; - - this->class = NULL; - this->ramps = NULL; - - this->priority = *(const int64_t*)(bs + off); - off += sizeof(int64_t); - - this->lifespan = *(const enum lifespan*)(bs + off); - off += sizeof(enum lifespan); - - if (nonnulls & 1) - { - n = strlen(bs + off) + 1; - if (!(this->class = memdup(bs + off, n))) - goto fail; - off += n; - } - - if (nonnulls & 2) - { - if (!(this->ramps = memdup(bs + off, ramps_size))) - goto fail; - off += ramps_size; - } - - return off; - - fail: - free(this->class); - free(this->ramps); - return 0; -} - |