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author | Romain Forlot <romain.forlot@iot.bzh> | 2017-06-20 10:24:05 +0000 |
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committer | Romain Forlot <romain.forlot@iot.bzh> | 2017-06-20 10:24:05 +0000 |
commit | 32e25cbca210a359b09768537b6f443fe90a3070 (patch) | |
tree | 3309794c15d8a8f8e9c1c08cad072ee1378813ba /libs/nanopb/pb_common.h | |
parent | 76c43dec62b2e21cd6446360c00d4fe6b437533f (diff) |
Separation Generator to a dedicated repo
Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
Diffstat (limited to 'libs/nanopb/pb_common.h')
-rw-r--r-- | libs/nanopb/pb_common.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libs/nanopb/pb_common.h b/libs/nanopb/pb_common.h new file mode 100644 index 00000000..60b3d374 --- /dev/null +++ b/libs/nanopb/pb_common.h @@ -0,0 +1,42 @@ +/* pb_common.h: Common support functions for pb_encode.c and pb_decode.c. + * These functions are rarely needed by applications directly. + */ + +#ifndef PB_COMMON_H_INCLUDED +#define PB_COMMON_H_INCLUDED + +#include "pb.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Iterator for pb_field_t list */ +struct pb_field_iter_s { + const pb_field_t *start; /* Start of the pb_field_t array */ + const pb_field_t *pos; /* Current position of the iterator */ + unsigned required_field_index; /* Zero-based index that counts only the required fields */ + void *dest_struct; /* Pointer to start of the structure */ + void *pData; /* Pointer to current field value */ + void *pSize; /* Pointer to count/has field */ +}; +typedef struct pb_field_iter_s pb_field_iter_t; + +/* Initialize the field iterator structure to beginning. + * Returns false if the message type is empty. */ +bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_field_t *fields, void *dest_struct); + +/* Advance the iterator to the next field. + * Returns false when the iterator wraps back to the first field. */ +bool pb_field_iter_next(pb_field_iter_t *iter); + +/* Advance the iterator until it points at a field with the given tag. + * Returns false if no such field exists. */ +bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif + |