From bd851a87ec93db2516455e982f121389a86fc0f7 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Fri, 22 May 2026 20:41:23 +0200
Subject: Print debug error message when encoutering invalid PLIST_DATE values

---
 src/jplist.c      | 1 +
 src/oplist.c      | 1 +
 src/out-default.c | 3 +++
 src/out-limd.c    | 3 +++
 src/out-plutil.c  | 3 +++
 src/xplist.c      | 1 +
 6 files changed, 12 insertions(+)

(limited to 'src')

diff --git a/src/jplist.c b/src/jplist.c
index dd2e36a..c29f760 100644
--- a/src/jplist.c
+++ b/src/jplist.c
@@ -259,6 +259,7 @@ static plist_err_t node_to_json(node_t node, bytearray_t **outbuf, uint32_t dept
         if (coerce) {
             Time64_T timev;
             if (plist_real_to_time64(node_data->realval, &timev) < 0) {
+                PLIST_JSON_WRITE_ERR("Encountered invalid date value %f\n", node_data->realval);
                 return PLIST_ERR_INVALID_ARG;
             }
             struct TM _btime;
diff --git a/src/oplist.c b/src/oplist.c
index 4b3b666..77a99cd 100644
--- a/src/oplist.c
+++ b/src/oplist.c
@@ -303,6 +303,7 @@ static plist_err_t node_to_openstep(node_t node, bytearray_t **outbuf, uint32_t
         if (coerce) {
             Time64_T timev;
             if (plist_real_to_time64(node_data->realval, &timev) < 0) {
+                PLIST_OSTEP_WRITE_ERR("Encountered invalid date value %f\n", node_data->realval);
                 return PLIST_ERR_INVALID_ARG;
             }
             struct TM _btime;
diff --git a/src/out-default.c b/src/out-default.c
index 87689d1..13b9d9c 100644
--- a/src/out-default.c
+++ b/src/out-default.c
@@ -233,6 +233,9 @@ static plist_err_t node_to_string(node_t node, bytearray_t **outbuf, uint32_t de
         {
             Time64_T timev;
             if (plist_real_to_time64(node_data->realval, &timev) < 0) {
+#if DEBUG
+                fprintf(stderr, "libplist: ERROR: Encountered invalid date value %f\n", node_data->realval);
+#endif
                 return PLIST_ERR_INVALID_ARG;
             }
             struct TM _btime;
diff --git a/src/out-limd.c b/src/out-limd.c
index e47ca0c..83a5e26 100644
--- a/src/out-limd.c
+++ b/src/out-limd.c
@@ -222,6 +222,9 @@ static plist_err_t node_to_string(node_t node, bytearray_t **outbuf, uint32_t de
         {
             Time64_T timev;
             if (plist_real_to_time64(node_data->realval, &timev) < 0) {
+#if DEBUG
+                fprintf(stderr, "libplist: ERROR: Encountered invalid date value %f\n", node_data->realval);
+#endif
                 return PLIST_ERR_INVALID_ARG;
             }
             struct TM _btime;
diff --git a/src/out-plutil.c b/src/out-plutil.c
index 3b5bd34..e603f31 100644
--- a/src/out-plutil.c
+++ b/src/out-plutil.c
@@ -239,6 +239,9 @@ static plist_err_t node_to_string(node_t node, bytearray_t **outbuf, uint32_t de
         {
             Time64_T timev;
             if (plist_real_to_time64(node_data->realval, &timev) < 0) {
+#if DEBUG
+                fprintf(stderr, "libplist: ERROR: Encountered invalid date value %f\n", node_data->realval);
+#endif
                 return PLIST_ERR_INVALID_ARG;
             }
             struct TM _btime;
diff --git a/src/xplist.c b/src/xplist.c
index 3157ab0..b2c134e 100644
--- a/src/xplist.c
+++ b/src/xplist.c
@@ -194,6 +194,7 @@ static plist_err_t node_to_xml(node_t node, bytearray_t **outbuf, uint32_t depth
         {
             Time64_T timev;
             if (plist_real_to_time64(node_data->realval, &timev) < 0) {
+                PLIST_XML_WRITE_ERR("Encountered invalid date value %f\n", node_data->realval);
                 return PLIST_ERR_INVALID_ARG;
             }
             struct TM _btime;
-- 
cgit v1.1-32-gdbae