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Fix some segfaults that could occur in obscure circumstances where error messages contained characters that could be mistaken for printf format specifiers.

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FossilOrigin-Name: f91471e7234db490f97298b1ccb8d6c7fc45b089
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dan
2010-10-21 15:12:44 +00:00
parent 3edd8a555d
commit 06b5db0e39
6 changed files with 38 additions and 24 deletions
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9
test/incrblob.test
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@ -677,5 +677,14 @@ do_test incrblob-8.7 {
execsql {SELECT b FROM t1 WHERE a = 314159}
} {etilqs}
# The following test case exposes an instance in the blob code where
# an error message was set using a call similar to sqlite3_mprintf(zErr),
# where zErr is an arbitrary string. This is no good if the string contains
# characters that can be mistaken for printf() formatting directives.
#
do_test incrblob-9.1 {
list [catch { db incrblob t1 "A tricky column name %s%s" 1 } msg] $msg
} {1 {no such column: "A tricky column name %s%s"}}
finish_test