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-rw-r--r--Build/source/texk/kpathsea/lib.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Build/source/texk/kpathsea/lib.h b/Build/source/texk/kpathsea/lib.h
index 13a4f4c7c8c..89a50dc961b 100644
--- a/Build/source/texk/kpathsea/lib.h
+++ b/Build/source/texk/kpathsea/lib.h
@@ -94,7 +94,7 @@
/* I find this easier to read. */
-#define STREQ(s1, s2) ((s1) && (s2) && (strcmp (s1, s2) == 0))
+#define STREQ(s1, s2) (((s1) != NULL) && ((s2) != NULL) && (strcmp (s1, s2) == 0))
#define STRNEQ(s1, s2, n) ((s1) && (s2) && (strncmp (s1, s2, n) == 0))
/* Support for FAT/ISO-9660 filesystems. Theoretically this should be