1 files changed, 0 insertions, 128 deletions
diff --git a/filter/a85d.c b/filter/a85d.c
deleted file mode 100644
index 5b2e105e..00000000
--- a/filter/a85d.c
+++ /dev/null
@@ -1,128 +0,0 @@
-#include <fitz.h>
-
-typedef struct fz_a85d_s fz_a85d;
-
-struct fz_a85d_s
-{
-	fz_filter super;
-	unsigned long word;
-	int count;
-};
-
-static inline int iswhite(int a)
-{
-	switch (a) {
-	case '\n': case '\r': case '\t': case ' ':
-	case '\0': case '\f': case '\b': case 0177:
-		return 1;
-	}
-	return 0;
-}
-
-fz_error *
-fz_newa85d(fz_filter **fp, fz_obj *params)
-{
-	FZ_NEWFILTER(fz_a85d, f, a85d);
-	f->word = 0;
-	f->count = 0;
-	return nil;
-}
-
-void
-fz_dropa85d(fz_filter *f)
-{
-}
-
-fz_error *
-fz_processa85d(fz_filter *filter, fz_buffer *in, fz_buffer *out)
-{
-	fz_a85d *f = (fz_a85d*)filter;
-	int c;
-
-	while (1)
-	{
-		if (in->rp == in->wp)
-			return fz_ioneedin;
-
-		c = *in->rp++;
-
-		if (c >= '!' && c <= 'u') {
-			if (f->count == 4) {
-				if (out->wp + 4 > out->ep) {
-					in->rp --;
-					return fz_ioneedout;
-				}
-
-				f->word = f->word * 85 + (c - '!');
-
-				*out->wp++ = (f->word >> 24) & 0xff;
-				*out->wp++ = (f->word >> 16) & 0xff;
-				*out->wp++ = (f->word >> 8) & 0xff;
-				*out->wp++ = (f->word) & 0xff;
-
-				f->word = 0;
-				f->count = 0;
-			}
-			else {
-				f->word = f->word * 85 + (c - '!');
-				f->count ++;
-			}
-		}
-
-		else if (c == 'z' && f->count == 0) {
-			if (out->wp + 4 > out->ep) {
-				in->rp --;
-				return fz_ioneedout;
-			}
-			*out->wp++ = 0;
-			*out->wp++ = 0;
-			*out->wp++ = 0;
-			*out->wp++ = 0;
-		}
-
-		else if (c == '~') {
-			if (in->rp == in->wp) {
-				in->rp --;
-				return fz_ioneedin;
-			}
-
-			c = *in->rp++;
-
-			if (c != '>') {
-				return fz_throw("ioerror: bad eod marker in a85d");
-			}
-
-			if (out->wp + f->count - 1 > out->ep) {
-				in->rp -= 2;
-				return fz_ioneedout;
-			}
-
-			switch (f->count) {
-			case 0:
-				break;
-			case 1:
-				return fz_throw("ioerror: partial final byte in a85d");
-			case 2:
-				f->word = f->word * (85L * 85 * 85) + 0xffffffL;
-				goto o1;
-			case 3:
-				f->word = f->word * (85L * 85) + 0xffffL;
-				goto o2;
-			case 4:
-				f->word = f->word * 85 + 0xffL;
-				*(out->wp+2) = f->word >> 8;
-o2:				*(out->wp+1) = f->word >> 16;
-o1:				*(out->wp+0) = f->word >> 24;
-				out->wp += f->count - 1;
-				break;
-			}
-			out->eof = 1;
-			return fz_iodone;
-		}
-
-		else if (!iswhite(c)) {
-			return fz_throw("ioerror: bad data in a85d: '%c'", c);
-		}
-	}
-}
-