From: Lukas Krickl <lukas@krickl.dev>
Date: Tue, 7 Nov 2023 19:29:46 +0000 (+0100)
Subject: Documented behavior of preproc
X-Git-Url: https://git.krickl.dev/?a=commitdiff_plain;h=02ad8989fe80e5894f1a94daf2a638bac5d019ae;p=ulas%2F.git

Documented behavior of preproc
---

diff --git a/include/ulas.h b/include/ulas.h
index 14c10f0..072d047 100644
--- a/include/ulas.h
+++ b/include/ulas.h
@@ -249,6 +249,8 @@ int ulas_preproc(FILE *dst, FILE *src);
 // returns 0 if no more data can be read
 //         1 if data was read
 //         -1 on error
+// it also places the processed line into pp->line.buf
+// note that this is overwritten by every call!
 int ulas_preprocnext(struct ulas_preproc *pp, FILE *dst, FILE *src, char *buf,
                      int n);