pam_client.h: silence compiler warning

gcc-12 insists on issuing the following warning:

  In file included from libpamc.h:13,
                   from pamc_converse.c:9:
  pamc_converse.c: In function 'pamc_converse':
  include/security/pam_client.h:129:27: error: array subscript 'struct <anonymous>[0]' is partly outside array bounds of 'unsigned char[6]' [-Werror=array-bounds]
    129 |                 (*(old_p))->control = cntrl;                               \
        |                           ^~
  pamc_converse.c:209:5: note: in expansion of macro 'PAM_BP_RENEW'
    209 |     PAM_BP_RENEW(prompt_p, PAM_BPC_FAIL, 0);
        |     ^~~~~~~~~~~~
  include/security/pam_client.h:87:29: note: object of size 6 allocated by 'calloc'
     87 | # define PAM_BP_CALLOC      calloc
        |                             ^
  include/security/pam_client.h:124:29: note: in expansion of macro 'PAM_BP_CALLOC'
    124 |             if ((*(old_p) = PAM_BP_CALLOC(1, 1+__size))) {                 \
        |                             ^~~~~~~~~~~~~
  pamc_converse.c:209:5: note: in expansion of macro 'PAM_BP_RENEW'
    209 |     PAM_BP_RENEW(prompt_p, PAM_BPC_FAIL, 0);
        |     ^~~~~~~~~~~~

* libpamc/include/security/pam_client.h (pamc_bp_t): Decorate the
structure pointed by pamc_bp_t pointer as packed.  Despite being a part
of the API, the structure is not supposed to be used directly, and all
the interface macros were assuming from the very beginning that this
structure is packed.

0 files changed, 0 insertions, 0 deletions