Compilation error against ls-qpack-2.5.3

[sagitter]

Hi all.

pylsqpack-0.3.17 is not compiling against ls-qpack-2.5.3:

gcc -Wsign-compare -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DNDEBUG -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fPIC -Ivendor/ls-qpack -Ivendor/ls-qpack/deps/xxhash -I/usr/include/python3.11 -c src/pylsqpack/binding.c -o build/temp.linux-x86_64-cpython-311/src/pylsqpack/binding.o -std=c99
src/pylsqpack/binding.c: In function ‘header_block_free’:
src/pylsqpack/binding.c:47:9: warning: implicit declaration of function ‘lsqpack_dec_destroy_header_list’; did you mean ‘lsqpack_dec_header_in’? [-Wimplicit-function-declaration]
   47 |         lsqpack_dec_destroy_header_list(hblock->hlist);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |         lsqpack_dec_header_in
src/pylsqpack/binding.c: In function ‘hlist_to_headers’:
src/pylsqpack/binding.c:58:28: error: invalid use of undefined type ‘struct lsqpack_header_list’
   58 |     list = PyList_New(hlist->qhl_count);
      |                            ^~
src/pylsqpack/binding.c:59:33: error: invalid use of undefined type ‘struct lsqpack_header_list’
   59 |     for (size_t i = 0; i < hlist->qhl_count; ++i) {
      |                                 ^~
src/pylsqpack/binding.c:60:23: error: invalid use of undefined type ‘struct lsqpack_header_list’
   60 |         header = hlist->qhl_headers[i];
      |                       ^~
src/pylsqpack/binding.c:61:48: error: invalid use of undefined type ‘struct lsqpack_header’
   61 |         name = PyBytes_FromStringAndSize(header->qh_name, header->qh_name_len);
      |                                                ^~
src/pylsqpack/binding.c:61:65: error: invalid use of undefined type ‘struct lsqpack_header’
   61 |         name = PyBytes_FromStringAndSize(header->qh_name, header->qh_name_len);
      |                                                                 ^~
src/pylsqpack/binding.c:62:49: error: invalid use of undefined type ‘struct lsqpack_header’
   62 |         value = PyBytes_FromStringAndSize(header->qh_value, header->qh_value_len);
      |                                                 ^~
src/pylsqpack/binding.c:62:67: error: invalid use of undefined type ‘struct lsqpack_header’
   62 |         value = PyBytes_FromStringAndSize(header->qh_value, header->qh_value_len);
      |                                                                   ^~
src/pylsqpack/binding.c: In function ‘Decoder_init’:
src/pylsqpack/binding.c:93:77: warning: passing argument 5 of ‘lsqpack_dec_init’ from incompatible pointer type [-Wincompatible-pointer-types]
   93 |     lsqpack_dec_init(&self->dec, NULL, max_table_capacity, blocked_streams, header_unblocked);
      |                                                                             ^~~~~~~~~~~~~~~~
      |                                                                             |
      |                                                                             void (*)(void *)
In file included from src/pylsqpack/binding.c:4:
/usr/include/lsqpack.h:334:5: note: expected ‘const struct lsqpack_dec_hset_if *’ but argument is of type ‘void (*)(void *)’
  334 |     const struct lsqpack_dec_hset_if *, enum lsqpack_dec_opts);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/pylsqpack/binding.c:93:5: error: too few arguments to function ‘lsqpack_dec_init’
   93 |     lsqpack_dec_init(&self->dec, NULL, max_table_capacity, blocked_streams, header_unblocked);
      |     ^~~~~~~~~~~~~~~~
/usr/include/lsqpack.h:332:1: note: declared here
  332 | lsqpack_dec_init (struct lsqpack_dec *, void *logger_ctx,
      | ^~~~~~~~~~~~~~~~
src/pylsqpack/binding.c: In function ‘Decoder_feed_header’:
src/pylsqpack/binding.c:183:9: warning: passing argument 7 of ‘lsqpack_dec_header_in’ from incompatible pointer type [-Wincompatible-pointer-types]
  183 |         &hblock->hlist,
      |         ^~~~~~~~~~~~~~
      |         |
      |         struct lsqpack_header_list **
/usr/include/lsqpack.h:400:39: note: expected ‘unsigned char *’ but argument is of type ‘struct lsqpack_header_list **’
  400 |                        unsigned char *dec_buf, size_t *dec_buf_sz);
      |                        ~~~~~~~~~~~~~~~^~~~~~~
src/pylsqpack/binding.c:184:13: warning: passing argument 8 of ‘lsqpack_dec_header_in’ from incompatible pointer type [-Wincompatible-pointer-types]
  184 |         self->dec_buf,
      |         ~~~~^~~~~~~~~
      |             |
      |             unsigned char *
/usr/include/lsqpack.h:400:56: note: expected ‘size_t *’ {aka ‘long unsigned int *’} but argument is of type ‘unsigned char *’
  400 |                        unsigned char *dec_buf, size_t *dec_buf_sz);
      |                                                ~~~~~~~~^~~~~~~~~~
src/pylsqpack/binding.c:176:14: error: too many arguments to function ‘lsqpack_dec_header_in’
  176 |     status = lsqpack_dec_header_in(
      |              ^~~~~~~~~~~~~~~~~~~~~
/usr/include/lsqpack.h:397:1: note: declared here
  397 | lsqpack_dec_header_in (struct lsqpack_dec *, void *hblock_ctx,
      | ^~~~~~~~~~~~~~~~~~~~~
src/pylsqpack/binding.c: In function ‘Decoder_resume_header’:
src/pylsqpack/binding.c:252:13: warning: passing argument 5 of ‘lsqpack_dec_header_read’ from incompatible pointer type [-Wincompatible-pointer-types]
  252 |             &hblock->hlist,
      |             ^~~~~~~~~~~~~~
      |             |
      |             struct lsqpack_header_list **
/usr/include/lsqpack.h:412:41: note: expected ‘unsigned char *’ but argument is of type ‘struct lsqpack_header_list **’
  412 |                          unsigned char *dec_buf, size_t *dec_buf_sz);
      |                          ~~~~~~~~~~~~~~~^~~~~~~
src/pylsqpack/binding.c:253:17: warning: passing argument 6 of ‘lsqpack_dec_header_read’ from incompatible pointer type [-Wincompatible-pointer-types]
  253 |             self->dec_buf,
      |             ~~~~^~~~~~~~~
      |                 |
      |                 unsigned char *
/usr/include/lsqpack.h:412:58: note: expected ‘size_t *’ {aka ‘long unsigned int *’} but argument is of type ‘unsigned char *’
  412 |                          unsigned char *dec_buf, size_t *dec_buf_sz);
      |                                                  ~~~~~~~~^~~~~~~~~~
src/pylsqpack/binding.c:247:18: error: too many arguments to function ‘lsqpack_dec_header_read’
  247 |         status = lsqpack_dec_header_read(
      |                  ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/lsqpack.h:410:1: note: declared here
  410 | lsqpack_dec_header_read (struct lsqpack_dec *dec, void *hblock_ctx,
      | ^~~~~~~~~~~~~~~~~~~~~~~
src/pylsqpack/binding.c: In function ‘Encoder_encode’:
src/pylsqpack/binding.c:432:32: warning: passing argument 6 of ‘lsqpack_enc_encode’ from incompatible pointer type [-Wincompatible-pointer-types]
  432 |                                PyBytes_AsString(name), PyBytes_Size(name),
      |                                ^~~~~~~~~~~~~~~~~~~~~~
      |                                |
      |                                char *
/usr/include/lsqpack.h:233:5: note: expected ‘const struct lsxpack_header *’ but argument is of type ‘char *’
  233 |     const struct lsxpack_header *,
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/pylsqpack/binding.c:429:13: error: too many arguments to function ‘lsqpack_enc_encode’
  429 |         if (lsqpack_enc_encode(&self->enc,
      |             ^~~~~~~~~~~~~~~~~~
/usr/include/lsqpack.h:230:1: note: declared here
  230 | lsqpack_enc_encode (struct lsqpack_enc *,
      | ^~~~~~~~~~~~~~~~~~
error: command '/usr/lib64/ccache/gcc' failed with exit code 1

I'm using gcc-13.2.1 and Python-3.11

[jlaine]

lsqpack 2.x completely changed the API for handling headers, and at the time the author of lsqpack told me it was not worth making the jump.