translate_text_to_tstr(): Correctly compare byte values

diff --git a/programs/imagex.c b/programs/imagex.c
index 4efb7a22d525efb78e28f6a08a1b185d72222692..772b86ef75463092cd8aa67eeac55c337bb019ef 100644 (file)
--- a/programs/imagex.c
+++ b/programs/imagex.c
@@ -937,8 +937,8 @@ translate_text_to_tstr(char *text, size_t num_bytes, size_t *num_tchars_ret)
        size_t num_wchars;
 
        if (num_bytes >= 2 &&
        size_t num_wchars;
 
        if (num_bytes >= 2 &&

-           ((text[0] == 0xff && text[1] == 0xfe) ||
-            (text[0] <= 0x7f && text[1] == 0x00)))
+           (((unsigned char)text[0] == 0xff && (unsigned char)text[1] == 0xfe) ||
+            ((unsigned char)text[0] <= 0x7f && (unsigned char)text[1] == 0x00)))

        {
                /* File begins with 0xfeff, the BOM for UTF-16LE, or it begins
                 * with something that looks like an ASCII character encoded as
        {
                /* File begins with 0xfeff, the BOM for UTF-16LE, or it begins
                 * with something that looks like an ASCII character encoded as