From f4cb197ad36f5ea3ab834abb41d2641daf152622 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Mon, 7 May 2018 16:46:16 +0200
Subject: Purge unused functions.

---
 source/pdf/pdf-parse.c | 100 -------------------------------------------------
 1 file changed, 100 deletions(-)

(limited to 'source/pdf')

diff --git a/source/pdf/pdf-parse.c b/source/pdf/pdf-parse.c
index 104b117d..f4075c5a 100644
--- a/source/pdf/pdf-parse.c
+++ b/source/pdf/pdf-parse.c
@@ -208,106 +208,6 @@ pdf_load_stream_or_string_as_utf8(fz_context *ctx, pdf_obj *src)
 	return pdf_to_utf8(ctx, src);
 }
 
-/* Convert Unicode/PdfDocEncoding string into ucs-2 */
-unsigned short *
-pdf_to_ucs2(fz_context *ctx, pdf_obj *src)
-{
-	unsigned char *srcptr = (unsigned char *) pdf_to_str_buf(ctx, src);
-	unsigned short *dstptr, *dst;
-	int srclen = pdf_to_str_len(ctx, src);
-	int i;
-
-	if (srclen >= 2 && srcptr[0] == 254 && srcptr[1] == 255)
-	{
-		dstptr = dst = fz_malloc_array(ctx, (srclen - 2) / 2 + 1, sizeof(short));
-		for (i = 2; i + 1 < srclen; i += 2)
-			*dstptr++ = srcptr[i] << 8 | srcptr[i+1];
-	}
-	else if (srclen >= 2 && srcptr[0] == 255 && srcptr[1] == 254)
-	{
-		dstptr = dst = fz_malloc_array(ctx, (srclen - 2) / 2 + 1, sizeof(short));
-		for (i = 2; i + 1 < srclen; i += 2)
-			*dstptr++ = srcptr[i] | srcptr[i+1] << 8;
-	}
-	else
-	{
-		dstptr = dst = fz_malloc_array(ctx, srclen + 1, sizeof(short));
-		for (i = 0; i < srclen; i++)
-			*dstptr++ = pdf_doc_encoding[srcptr[i]];
-	}
-
-	*dstptr = '\0';
-	return dst;
-}
-
-/* allow conversion to UCS-2 without the need for a fz_context */
-/* (buffer must be at least (fz_to_str_len(src) + 1) * 2 bytes in size) */
-void
-pdf_to_ucs2_buf(fz_context *ctx, unsigned short *buffer, pdf_obj *src)
-{
-	unsigned char *srcptr = (unsigned char *) pdf_to_str_buf(ctx, src);
-	unsigned short *dstptr = buffer;
-	int srclen = pdf_to_str_len(ctx, src);
-	int i;
-
-	if (srclen >= 2 && srcptr[0] == 254 && srcptr[1] == 255)
-	{
-		for (i = 2; i + 1 < srclen; i += 2)
-			*dstptr++ = srcptr[i] << 8 | srcptr[i+1];
-	}
-	else if (srclen >= 2 && srcptr[0] == 255 && srcptr[1] == 254)
-	{
-		for (i = 2; i + 1 < srclen; i += 2)
-			*dstptr++ = srcptr[i] | srcptr[i+1] << 8;
-	}
-	else
-	{
-		for (i = 0; i < srclen; i++)
-			*dstptr++ = pdf_doc_encoding[srcptr[i]];
-	}
-
-	*dstptr = '\0';
-}
-
-/* Convert UCS-2 string into PdfDocEncoding for authentication */
-char *
-pdf_from_ucs2(fz_context *ctx, unsigned short *src)
-{
-	int i, j, len;
-	char *docstr;
-
-	len = 0;
-	while (src[len])
-		len++;
-
-	docstr = fz_malloc(ctx, len + 1);
-
-	for (i = 0; i < len; i++)
-	{
-		/* shortcut: check if the character has the same code point in both encodings */
-		if (0 < src[i] && src[i] < 256 && pdf_doc_encoding[src[i]] == src[i]) {
-			docstr[i] = src[i];
-			continue;
-		}
-
-		/* search through pdf_docencoding for the character's code point */
-		for (j = 0; j < 256; j++)
-			if (pdf_doc_encoding[j] == src[i])
-				break;
-		docstr[i] = j;
-
-		/* fail, if a character can't be encoded */
-		if (!docstr[i])
-		{
-			fz_free(ctx, docstr);
-			return NULL;
-		}
-	}
-	docstr[len] = '\0';
-
-	return docstr;
-}
-
 pdf_obj *
 pdf_to_utf8_name(fz_context *ctx, pdf_obj *src)
 {
-- 
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