commit babdd4d2b8a85b16001e26430738ef37618ebc3b
from: Isaac Meerleo <isaac@itm.works>
date: Fri Jul 17 23:53:15 2026 UTC

Classify code-only context overflows

commit - 4150f8458ba83e3fd4eb3a9523584218c33c84d6
commit + babdd4d2b8a85b16001e26430738ef37618ebc3b
blob - 6bb5f30365904a29172c625e2f2822b92cfc77cd
blob + 4be5d03efeeaefac58d7d88f06598e9e031de60b
--- regress/openai/openai_test.c
+++ regress/openai/openai_test.c
@@ -611,6 +611,10 @@ test_error_body(void)
 	    "{\"error\":{\"message\":\"too many tokens\","
 	    "\"type\":\"invalid_request_error\","
 	    "\"code\":\"context_length_exceeded\"}}";
+	static const char code_only[] =
+	    "{\"error\":{\"code\":\"context_length_exceeded\"}}";
+	static const char wrong_code_only[] =
+	    "{\"error\":{\"code\":400}}";
 	static const char near[] =
 	    "{\"error\":{\"message\":\"context_length_exceeded\","
 	    "\"type\":\"invalid_request_error\","
@@ -634,6 +638,18 @@ test_error_body(void)
 	CHECK(openai_error_body(overflow, sizeof(overflow) - 1, 413, out,
 	    sizeof(out), &category) == 0);
 	CHECK(category == PROVIDER_ERROR_OTHER);
+	CHECK(openai_error_body(code_only, sizeof(code_only) - 1, 400, out,
+	    sizeof(out), &category) == 0);
+	CHECK(strcmp(out, "error") == 0);
+	CHECK(category == PROVIDER_ERROR_CONTEXT_OVERFLOW);
+	CHECK(openai_error_body(code_only, sizeof(code_only) - 1, 413, out,
+	    sizeof(out), &category) == 0);
+	CHECK(strcmp(out, "error") == 0);
+	CHECK(category == PROVIDER_ERROR_OTHER);
+	CHECK(openai_error_body(wrong_code_only,
+	    sizeof(wrong_code_only) - 1, 400, out, sizeof(out), &category) ==
+	    -1);
+	CHECK(category == PROVIDER_ERROR_OTHER);
 	CHECK(openai_error_body(near, sizeof(near) - 1, 400, out,
 	    sizeof(out), &category) == 0);
 	CHECK(category == PROVIDER_ERROR_OTHER);
blob - b302cf0dda281f2c4069498406b0bdd470b64406
blob + 6783ec441207111db3d0f960a5412732d238a81f
--- src/common/openai_stream.c
+++ src/common/openai_stream.c
@@ -584,7 +584,8 @@ openai_error_body(const void *data, size_t len, int st
 		free(code);
 		code = NULL;
 	}
-	if (rt < 0 || rm < 0 || (type == NULL && message == NULL)) {
+	if (rt < 0 || rm < 0 ||
+	    (type == NULL && message == NULL && code == NULL)) {
 		free(type);
 		free(message);
 		free(code);