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Diffstat (limited to 'Build/source/texk/web2c/lib/texmfmp.c')
-rw-r--r--Build/source/texk/web2c/lib/texmfmp.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/Build/source/texk/web2c/lib/texmfmp.c b/Build/source/texk/web2c/lib/texmfmp.c
index 75c846a339b..bc912276052 100644
--- a/Build/source/texk/web2c/lib/texmfmp.c
+++ b/Build/source/texk/web2c/lib/texmfmp.c
@@ -2288,12 +2288,13 @@ input_line (FILE *f)
long position = ftell (f);
if (position == 0L) { /* Detect and skip Byte order marks. */
- int k1 = getc (f);
+ int k1, k2, k3, k4;
+ k1 = getc (f);
if (k1 != 0xff && k1 != 0xfe && k1 != 0xef)
rewind (f);
else {
- int k2 = getc (f);
+ k2 = getc (f);
if (k2 != 0xff && k2 != 0xfe && k2 != 0xbb)
rewind (f);
@@ -2301,10 +2302,10 @@ input_line (FILE *f)
(k1 == 0xfe && k2 == 0xff)) /* UTF-16(BE) */
;
else {
- int k3 = getc (f);
-
- if (k1 == 0xef && k2 == 0xbb && k3 == 0xbf) /* UTF-8 */
- ;
+ k3 = getc (f);
+ k4 = getc (f);
+ if (k1 == 0xef && k2 == 0xbb && k3 == 0xbf && (0 <= k4 <= 0x7e)) /* UTF-8 */
+ ungetc (k4, f);
else
rewind (f);
}