psqlscan.l.patch

text/plain

Filename: psqlscan.l.patch

Type: text/plain

Part: 0

Message: [PATCH] Patch to fix a crash of psql

Patch

Same data as JSON: GET /api/v1/attachments/:id/patch the parsed metadata as JSON — format, series position, per-file stats; never the diff bytes. API reference →

Format: unified

File	+	−
src/bin/psql/psqlscan.l	1	1

diff --git a/src/bin/psql/psqlscan.l b/src/bin/psql/psqlscan.l
index d32a12c..6c14298 100644
--- a/src/bin/psql/psqlscan.l
+++ b/src/bin/psql/psqlscan.l
@@ -1807,7 +1807,7 @@ prepare_buffer(const char *txt, int len, char **txtcopy)
 			/* first byte should always be okay... */
 			newtxt[i] = txt[i];
 			i++;
-			while (--thislen > 0)
+			while (--thislen > 0 && i < len)
 				newtxt[i++] = (char) 0xFF;
 		}
 	}