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Fix a buffer overrun that could occur when using the format() function to format a very small real value with the "," modifier.

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FossilOrigin-Name: 910e770ad4d8e8e45bf069af963f2e975bfcfb882578dc5fe714cd2396258934
This commit is contained in:
dan
2023-05-05 19:36:13 +00:00
parent ed96436f23
commit 77eb3e305c
4 changed files with 19 additions and 10 deletions
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11
test/printf.test
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@ -16,7 +16,6 @@
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_test printf-1.1.1 {
sqlite3_mprintf_int {abc: %d %x %o :xyz}\
1 1 1
@ -3824,4 +3823,14 @@ do_execsql_test printf-17.11 {
SELECT format('%.30f',1.0000000000000000076e-50);
} 0.000000000000000000000000000000
#-------------------------------------------------------------------------
# dbsqlfuzz ad651aad4bb2100f3a724129a555d8d773366d46
#
db close
sqlite3 db test.db
sqlite3_db_config_lookaside db 0 0 0
do_execsql_test printf-18.1 {
SELECT length( format('%,.249f', -5.0e-300) );
} {252}
finish_test