From 18657a960e125336f704ea058e25c27bd3900dcb Mon Sep 17 00:00:00 2001 From: Daniel Baumann <daniel.baumann@progress-linux.org> Date: Sun, 5 May 2024 19:28:19 +0200 Subject: Adding upstream version 3.40.1. Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org> --- tool/max-limits.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 tool/max-limits.c (limited to 'tool/max-limits.c') diff --git a/tool/max-limits.c b/tool/max-limits.c new file mode 100644 index 0000000..d019974 --- /dev/null +++ b/tool/max-limits.c @@ -0,0 +1,41 @@ +/* +** Link this program against an SQLite library of unknown provenance in order +** to display the compile-time maximum values for various settings. +*/ +#include "sqlite3.h" +#include <stdio.h> + +static const struct { + int eCode; + char *zName; +} aLimit[] = { + { SQLITE_LIMIT_LENGTH, "SQLITE_MAX_LENGTH" }, + { SQLITE_LIMIT_SQL_LENGTH, "SQLITE_MAX_SQL_LENGTH" }, + { SQLITE_LIMIT_COLUMN, "SQLITE_MAX_COLUMN" }, + { SQLITE_LIMIT_EXPR_DEPTH, "SQLITE_MAX_EXPR_DEPTH" }, + { SQLITE_LIMIT_COMPOUND_SELECT, "SQLITE_MAX_COMPOUND_SELECT" }, + { SQLITE_LIMIT_VDBE_OP, "SQLITE_MAX_VDBE_OP" }, + { SQLITE_LIMIT_FUNCTION_ARG, "SQLITE_MAX_FUNCTION_ARG" }, + { SQLITE_LIMIT_ATTACHED, "SQLITE_MAX_ATTACHED" }, + { SQLITE_LIMIT_LIKE_PATTERN_LENGTH, "SQLITE_MAX_LIKE_PATTERN_LENGTH" }, + { SQLITE_LIMIT_VARIABLE_NUMBER, "SQLITE_MAX_VARIABLE_NUMBER" }, + { SQLITE_LIMIT_TRIGGER_DEPTH, "SQLITE_MAX_TRIGGER_DEPTH" }, + { SQLITE_LIMIT_WORKER_THREADS, "SQLITE_MAX_WORKER_THREADS" }, +}; + +static int maxLimit(sqlite3 *db, int eCode){ + int iOrig = sqlite3_limit(db, eCode, 0x7fffffff); + return sqlite3_limit(db, eCode, iOrig); +} + +int main(int argc, char **argv){ + sqlite3 *db; + int j, rc; + rc = sqlite3_open(":memory:", &db); + if( rc==SQLITE_OK ){ + for(j=0; j<sizeof(aLimit)/sizeof(aLimit[0]); j++){ + printf("%-35s %10d\n", aLimit[j].zName, maxLimit(db, aLimit[j].eCode)); + } + sqlite3_close(db); + } +} -- cgit v1.2.3