diff -urp file-5.33.orig/src/softmagic.c file-5.33/src/softmagic.c

--- file-5.33.orig/src/softmagic.c	2018-04-15 14:49:15.000000000 -0400

+++ file-5.33/src/softmagic.c	2020-12-14 12:21:13.298285158 -0500

@@ -1758,7 +1758,9 @@ file_strncmp(const char *s1, const char

 	 */

 	const unsigned char *a = (const unsigned char *)s1;

 	const unsigned char *b = (const unsigned char *)s2;

-	const unsigned char *eb = b + len;

+	uint32_t ws = flags & (STRING_COMPACT_WHITESPACE |

+		STRING_COMPACT_OPTIONAL_WHITESPACE);

+	const unsigned char *eb = b + (ws ? strlen(s2) : len);

 	uint64_t v;

 	/*