pigpio.c: reset errno after existance check

2022-01-09 22:14:47 +01:00 · 2022-01-09 22:14:47 +01:00 · 602cd2f61e
parent 9dcea25d06
commit 602cd2f61e
1 changed files with 2 additions and 0 deletions
--- a/pigpio.c
+++ b/pigpio.c
@ -7299,6 +7299,8 @@ static void initCheckLockFile(void)
   char str[20];

   fd = open(PI_LOCKFILE, O_RDONLY);
+   if(errno == ENOENT)
+      errno = 0; // reset if expected error occured

   if (fd != -1)
   {