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42 lines
1.4 KiB
42 lines
1.4 KiB
/* pb_common.h: Common support functions for pb_encode.c and pb_decode.c. |
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* These functions are rarely needed by applications directly. |
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*/ |
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#ifndef PB_COMMON_H_INCLUDED |
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#define PB_COMMON_H_INCLUDED |
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#include "pb.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Iterator for pb_field_t list */ |
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struct pb_field_iter_s { |
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const pb_field_t *start; /* Start of the pb_field_t array */ |
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const pb_field_t *pos; /* Current position of the iterator */ |
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unsigned required_field_index; /* Zero-based index that counts only the required fields */ |
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void *dest_struct; /* Pointer to start of the structure */ |
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void *pData; /* Pointer to current field value */ |
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void *pSize; /* Pointer to count/has field */ |
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}; |
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typedef struct pb_field_iter_s pb_field_iter_t; |
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/* Initialize the field iterator structure to beginning. |
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* Returns false if the message type is empty. */ |
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bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_field_t *fields, void *dest_struct); |
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/* Advance the iterator to the next field. |
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* Returns false when the iterator wraps back to the first field. */ |
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bool pb_field_iter_next(pb_field_iter_t *iter); |
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/* Advance the iterator until it points at a field with the given tag. |
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* Returns false if no such field exists. */ |
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bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag); |
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#ifdef __cplusplus |
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} /* extern "C" */ |
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#endif |
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#endif |
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