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Change sqlite3_snprintf() so that it does not write a zero-terminator if

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the buffer size argument is less than 1.  Ticket #2341.  Added documentation
about the sqlite3_snprintf() function. (CVS 3935)

FossilOrigin-Name: f3ae4ac5fe0bfa2f91e76a6def86c444e51fe80b
This commit is contained in:
drh
2007-05-07 11:24:30 +00:00
parent a9808b31a8
commit 6885390791
7 changed files with 83 additions and 19 deletions
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11
test/printf.test
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@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing the sqlite_*_printf() interface.
#
# $Id: printf.test,v 1.22 2007/03/31 15:02:50 drh Exp $
# $Id: printf.test,v 1.23 2007/05/07 11:24:31 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -268,5 +268,14 @@ do_test printf-14.3 {
sqlite3_mprintf_str {abc-%T-123} 0 0 {not used}
} {abc-}
do_test printf-15.1 {
sqlite3_snprintf_int 5 {12345} 0
} {1234}
do_test printf-15.2 {
sqlite3_snprintf_int 5 {} 0
} {}
do_test printf-15.3 {
sqlite3_snprintf_int 0 {} 0
} {abcdefghijklmnopqrstuvwxyz}
finish_test