Fix flaky test

fhunleth · fhunleth · commit d0ff7c403eef · 2025-08-17T16:42:25.000-04:00
diff --git a/c_src/i2c_nif.c b/c_src/i2c_nif.c
@@ -30,8 +30,10 @@ int test_open(const char *path, int flags)
         return 0x20;
     else if (strcmp(path, "/dev/i2c-flaky") == 0)
         return 0x30;
-    else
+    else {
+        errno = ENOENT;
         return -1;
+    }
 }
 int test_close(int fd)
 {

Original file line number	Diff line number	Diff line change
`@@ -30,8 +30,10 @@ int test_open(const char *path, int flags)`
`30`	`30`	`return 0x20;`
`31`	`31`	`else if (strcmp(path, "/dev/i2c-flaky") == 0)`
`32`	`32`	`return 0x30;`
`33`		`- else`
	`33`	`+ else {`
	`34`	`+ errno = ENOENT;`
`34`	`35`	`return -1;`
	`36`	`+ }`
`35`	`37`	`}`
`36`	`38`	`int test_close(int fd)`
`37`	`39`	`{`