diff options
Diffstat (limited to 'libcoopgamma_filter_unmarshal.c')
| -rw-r--r-- | libcoopgamma_filter_unmarshal.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libcoopgamma_filter_unmarshal.c b/libcoopgamma_filter_unmarshal.c new file mode 100644 index 0000000..9351215 --- /dev/null +++ b/libcoopgamma_filter_unmarshal.c @@ -0,0 +1,43 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +/** + * Unmarshal a `libcoopgamma_filter_t` from a buffer + * + * @param this The output parameter for unmarshalled record + * @param vbuf The buffer with the marshalled record + * @param np Output parameter for the number of unmarshalled bytes, undefined on failure + * @return `LIBCOOPGAMMA_SUCCESS` (0), `LIBCOOPGAMMA_INCOMPATIBLE_DOWNGRADE`, + * `LIBCOOPGAMMA_INCOMPATIBLE_UPGRADE`, or `LIBCOOPGAMMA_ERRNO_SET` + */ +int +libcoopgamma_filter_unmarshal(libcoopgamma_filter_t *restrict this, const void *restrict vbuf, size_t *restrict np) +{ + int r = LIBCOOPGAMMA_SUCCESS; + size_t n = 0; + UNMARSHAL_PROLOGUE; + memset(this, 0, sizeof(*this)); + unmarshal_version(LIBCOOPGAMMA_FILTER_VERSION); + unmarshal_version(LIBCOOPGAMMA_DEPTH_VERSION); + unmarshal_version(LIBCOOPGAMMA_LIFESPAN_VERSION); + unmarshal_prim(this->depth, libcoopgamma_depth_t); + unmarshal_prim(this->priority, int64_t); + unmarshal_string(this->crtc); + unmarshal_string(this->class); + unmarshal_prim(this->lifespan, libcoopgamma_lifespan_t); + switch (this->depth) { + case LIBCOOPGAMMA_UINT8: r = libcoopgamma_ramps_unmarshal(&(this->ramps.u8), NNSUBBUF, &n); break; + case LIBCOOPGAMMA_UINT16: r = libcoopgamma_ramps_unmarshal(&(this->ramps.u16), NNSUBBUF, &n); break; + case LIBCOOPGAMMA_UINT32: r = libcoopgamma_ramps_unmarshal(&(this->ramps.u32), NNSUBBUF, &n); break; + case LIBCOOPGAMMA_UINT64: r = libcoopgamma_ramps_unmarshal(&(this->ramps.u64), NNSUBBUF, &n); break; + case LIBCOOPGAMMA_FLOAT: r = libcoopgamma_ramps_unmarshal(&(this->ramps.f), NNSUBBUF, &n); break; + case LIBCOOPGAMMA_DOUBLE: r = libcoopgamma_ramps_unmarshal(&(this->ramps.d), NNSUBBUF, &n); break; + default: + break; + } + if (r != LIBCOOPGAMMA_SUCCESS) + return r; + off += n; + UNMARSHAL_EPILOGUE; +} |