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Handle GCC 7's new -Wimplicit-fallthrough.

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This commit is contained in:
John Hood
2017-01-31 22:12:27 -05:00
parent 86d5b10a2c
commit a993c83632
2 changed files with 20 additions and 1 deletions
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src/crypto/ocb.cc
+19
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@@ -964,13 +964,20 @@ static void process_ad(ae_ctx *ctx, const void *ad, int ad_len, int final)
switch (k) {
#if (BPI == 8)
case 8: ad_checksum = xor_block(ad_checksum, ta[7]);
/* fallthrough */
case 7: ad_checksum = xor_block(ad_checksum, ta[6]);
/* fallthrough */
case 6: ad_checksum = xor_block(ad_checksum, ta[5]);
/* fallthrough */
case 5: ad_checksum = xor_block(ad_checksum, ta[4]);
/* fallthrough */
#endif
case 4: ad_checksum = xor_block(ad_checksum, ta[3]);
/* fallthrough */
case 3: ad_checksum = xor_block(ad_checksum, ta[2]);
/* fallthrough */
case 2: ad_checksum = xor_block(ad_checksum, ta[1]);
/* fallthrough */
case 1: ad_checksum = xor_block(ad_checksum, ta[0]);
}
ctx->ad_checksum = ad_checksum;
@@ -1132,12 +1139,18 @@ int ae_encrypt(ae_ctx * ctx,
switch (k) {
#if (BPI == 8)
case 7: ctp[6] = xor_block(ta[6], oa[6]);
/* fallthrough */
case 6: ctp[5] = xor_block(ta[5], oa[5]);
/* fallthrough */
case 5: ctp[4] = xor_block(ta[4], oa[4]);
/* fallthrough */
case 4: ctp[3] = xor_block(ta[3], oa[3]);
/* fallthrough */
#endif
case 3: ctp[2] = xor_block(ta[2], oa[2]);
/* fallthrough */
case 2: ctp[1] = xor_block(ta[1], oa[1]);
/* fallthrough */
case 1: ctp[0] = xor_block(ta[0], oa[0]);
}
@@ -1336,17 +1349,23 @@ int ae_decrypt(ae_ctx *ctx,
#if (BPI == 8)
case 7: ptp[6] = xor_block(ta[6], oa[6]);
checksum = xor_block(checksum, ptp[6]);
/* fallthrough */
case 6: ptp[5] = xor_block(ta[5], oa[5]);
checksum = xor_block(checksum, ptp[5]);
/* fallthrough */
case 5: ptp[4] = xor_block(ta[4], oa[4]);
checksum = xor_block(checksum, ptp[4]);
/* fallthrough */
case 4: ptp[3] = xor_block(ta[3], oa[3]);
checksum = xor_block(checksum, ptp[3]);
/* fallthrough */
#endif
case 3: ptp[2] = xor_block(ta[2], oa[2]);
checksum = xor_block(checksum, ptp[2]);
/* fallthrough */
case 2: ptp[1] = xor_block(ta[1], oa[1]);
checksum = xor_block(checksum, ptp[1]);
/* fallthrough */
case 1: ptp[0] = xor_block(ta[0], oa[0]);
checksum = xor_block(checksum, ptp[0]);
}