This commit was manufactured by cvs2git to create branch 'unlabeled-1.1.1'.

1 files changed, 61 insertions, 0 deletions

diff --git a/src/lib/libcrypto/comp/c_rle.c b/src/lib/libcrypto/comp/c_rle.c
new file mode 100644
index 0000000000..1a819e3737
--- /dev/null
+++ b/src/lib/libcrypto/comp/c_rle.c
@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/objects.h>
+#include <openssl/comp.h>
+
+static int rle_compress_block(COMP_CTX *ctx, unsigned char *out,
+        unsigned int olen, unsigned char *in, unsigned int ilen);
+static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
+        unsigned int olen, unsigned char *in, unsigned int ilen);
+
+static COMP_METHOD rle_method={
+        NID_rle_compression,
+        LN_rle_compression,
+        NULL,
+        NULL,
+        rle_compress_block,
+        rle_expand_block,
+        NULL,
+        };
+
+COMP_METHOD *COMP_rle(void)
+        {
+        return(&rle_method);
+        }
+
+static int rle_compress_block(COMP_CTX *ctx, unsigned char *out,
+             unsigned int olen, unsigned char *in, unsigned int ilen)
+        {
+        /* int i; */
+
+        if (olen < (ilen+1))
+                {
+                /* ZZZZZZZZZZZZZZZZZZZZZZ */
+                return(-1);
+                }
+
+        *(out++)=0;
+        memcpy(out,in,ilen);
+        return(ilen+1);
+        }
+
+static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
+             unsigned int olen, unsigned char *in, unsigned int ilen)
+        {
+        int i;
+
+        if (olen < (ilen-1))
+                {
+                /* ZZZZZZZZZZZZZZZZZZZZZZ */
+                return(-1);
+                }
+
+        i= *(in++);
+        if (i == 0)
+                {
+                memcpy(out,in,ilen-1);
+                }
+        return(ilen-1);
+        }
+