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c_client.py: document complex reply field accessor

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Part-of: <https://gitlab.freedesktop.org/xorg/lib/libxcb/-/merge_requests/74>
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incertia 2025-11-02 16:24:09 -05:00 • committed by Marge Bot
parent a6deeded59
commit a0d4be4593
1 changed files with 3 additions and 0 deletions
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3
src/c_client.py
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@ -1926,6 +1926,9 @@ def _c_accessors_list(self, field):
if f == field:
break
prev_field = f
# utilize the previous field and its number of elements to index past the end of the reply
# e.g. if the final field is uint8_t pad[2], generate &R->pad + 2
# e.g. if the final field is uint16_t len, generate &R->len + 1
_c(' return (%s *) (&R->%s + %d);', field.c_field_type, prev_field.c_field_name, prev_field.type.nmemb)
else:
_c(' return (%s *) (R + 1);', field.c_field_type)