database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-02 05:54:29 +03:00
Code Activity

Do not invoke usleep() for more than 999999 microseconds.

Browse Source 
FossilOrigin-Name: 1f5ed852f25515bbc0a7aaf236fdef40fa7e31805eee1249277fde4e68f95130
This commit is contained in:
drh
2020-09-15 12:29:35 +00:00
parent 86f477edaa
commit ddcfe92105
4 changed files with 32 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/shell.c.in
View File

@@ -4425,6 +4425,19 @@ static void shellIdQuote(
}
}
/*
** Scalar function "usleep(X)" invokes sqlite3_sleep(X) and returns X.
*/
static void shellUSleepFunc(
sqlite3_context *context,
int argc,
sqlite3_value **argv
){
int sleep = sqlite3_value_int(argv[0]);
sqlite3_sleep(sleep/1000);
sqlite3_result_int(context, sleep);
}
/*
** Scalar function "shell_escape_crnl" used by the .recover command.
** The argument passed to this function is the output of built-in
@@ -4609,6 +4622,8 @@ static void open_db(ShellState *p, int openFlags){
shellInt32, 0, 0);
sqlite3_create_function(p->db, "shell_idquote", 1, SQLITE_UTF8, 0,
shellIdQuote, 0, 0);
sqlite3_create_function(p->db, "usleep",1,SQLITE_UTF8,0,
shellUSleepFunc, 0, 0);
#ifndef SQLITE_NOHAVE_SYSTEM
sqlite3_create_function(p->db, "edit", 1, SQLITE_UTF8, 0,
editFunc, 0, 0);