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pgbench: fix segfault with empty sql file

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Commit 1d0c3b3f8a introduced a bug that causes pgbench to crash if an
empty script file is specified.  Fix it by rejecting such files at
startup, which is the historical and intended behavior.

Reported-By: Jeff Janes
Discussion: https://www.postgresql.org/message-id/CAMkU=1zxKUbLPOt9hQWFp14pTc=V0cGo2GQBbn2GsK2Pu+8ZfA@mail.gmail.com
This commit is contained in:
Alvaro Herrera 2016-02-12 17:14:45 -03:00
parent d03130d378
commit db94419ffd
1 changed files with 2 additions and 1 deletions
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3
src/bin/pgbench/pgbench.c
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@ -2686,7 +2686,8 @@ findBuiltin(const char *name, char **desc)
static void
addScript(const char *name, Command **commands)
{
if (commands == NULL)
if (commands == NULL ||
commands[0] == NULL)
{
fprintf(stderr, "empty command list for script \"%s\"\n", name);
exit(1);