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Fix PowerPC segfault.

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The segfault fix was originally developed by our upstream, sqlite.org,
to address S/390 and Sparc segfaults, both of which are big endian.
Our PowerPC is also big endian, which this patch also fixes.

Inspired by:	src r360223
Approved by:	Approved by: portmgr (blanket: run-time bugfix)
Obtained from:	https://www.sqlite.org/src/vinfo/04885763c4cd00cb?diff=1
		https://sqlite.org/forum/forumpost/672291a5b2
This commit is contained in:
Cy Schubert 2020-04-24 03:53:50 +00:00
parent 4d132139a1
commit 1ff56b9f93
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=532729
1 changed files with 18 additions and 0 deletions
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18
databases/sqlite3/files/patch-sqlite3.c Normal file
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@ -0,0 +1,18 @@
--- sqlite3.c.orig 2020-01-27 12:25:19.000000000 -0800
+++ sqlite3.c 2020-04-23 19:24:26.380323000 -0700
@@ -121302,12 +121302,14 @@
x = *sqlite3VdbeGetOp(v, addrConflictCk);
if( x.opcode!=OP_IdxRowid ){
int p2; /* New P2 value for copied conflict check opcode */
+ const char *zP4;
if( sqlite3OpcodeProperty[x.opcode]&OPFLG_JUMP ){
p2 = lblRecheckOk;
}else{
p2 = x.p2;
}
- sqlite3VdbeAddOp4(v, x.opcode, x.p1, p2, x.p3, x.p4.z, x.p4type);
+ zP4 = x.p4type==P4_INT32 ? SQLITE_INT_TO_PTR(x.p4.i) : x.p4.z;
+ sqlite3VdbeAddOp4(v, x.opcode, x.p1, p2, x.p3, zP4, x.p4type);
sqlite3VdbeChangeP5(v, x.p5);
VdbeCoverageIf(v, p2!=x.p2);
}