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authorDmitry V. Levin <ldv@altlinux.org>2020-03-19 18:40:16 +0000
committerDmitry V. Levin <ldv@altlinux.org>2020-03-19 18:40:16 +0000
commitf6c60926adc9fa08feaeb696ffa5bfbac7c8c9e8 (patch)
treee6a3393a6eeb6b844e858cb8d8ad20e867297e39 /modules/pam_timestamp/sha1.h
parent2dc4cc4dcecf1ba299de1bd1eb40d8f9d9d0e054 (diff)
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Fix most of clang -Wcast-align compilation warnings
Unlike gcc, clang is not smart enough to infer the alignment of structure fields, so add some alignment hints to the code. * libpam/include/pam_cc_compat.h (PAM_ATTRIBUTE_ALIGNED): New macro. * modules/pam_namespace/md5.h: Include "pam_cc_compat.h". (struct MD5Context): Add PAM_ATTRIBUTE_ALIGNED to "in" field. * modules/pam_namespace/md5.c [!(__i386__ || __x86_64__)] (uint8_aligned): New type. [!(__i386__ || __x86_64__)] (byteReverse): Use it instead of unsigned char. * modules/pam_timestamp/sha1.h: Include "pam_cc_compat.h". (struct sha1_context): Add PAM_ATTRIBUTE_ALIGNED to pending field. * modules/pam_unix/md5.h: Include "pam_cc_compat.h". (struct MD5Context): Add PAM_ATTRIBUTE_ALIGNED to "in" field. * modules/pam_unix/md5.c [!HIGHFIRST] (uint8_aligned): New type. [!HIGHFIRST] (byteReverse): Use it instead of unsigned char.
Diffstat (limited to 'modules/pam_timestamp/sha1.h')
-rw-r--r--modules/pam_timestamp/sha1.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/modules/pam_timestamp/sha1.h b/modules/pam_timestamp/sha1.h
index a445e4e6..a1c38917 100644
--- a/modules/pam_timestamp/sha1.h
+++ b/modules/pam_timestamp/sha1.h
@@ -40,12 +40,13 @@
#include <stdint.h>
#include <sys/types.h>
+#include "pam_cc_compat.h"
#define SHA1_BLOCK_SIZE 64
struct sha1_context {
size_t count;
- unsigned char pending[SHA1_BLOCK_SIZE];
+ unsigned char pending[SHA1_BLOCK_SIZE] PAM_ATTRIBUTE_ALIGNED(4);
uint32_t counts[2];
size_t pending_count;
uint32_t a, b, c, d, e;