Bunch of constifications.
[openssl.git] / crypto / evp / encode.c
index 32744ca686e1905382100b20869c06cc456201c7..b42c74724936c6a9dc53e557cb96dd0ba6118e68 100644 (file)
@@ -85,7 +85,7 @@
 #define CHUNKS_PER_LINE (64/4)
 #define CHAR_PER_LINE   (64+1)
 
-static unsigned char data_bin2ascii[65]="ABCDEFGHIJKLMNOPQRSTUVWXYZ\
+static const unsigned char data_bin2ascii[65]="ABCDEFGHIJKLMNOPQRSTUVWXYZ\
 abcdefghijklmnopqrstuvwxyz0123456789+/";
 
 /* 0xF0 is a EOLN
@@ -102,7 +102,7 @@ abcdefghijklmnopqrstuvwxyz0123456789+/";
 #define B64_ERROR              0xFF
 #define B64_NOT_BASE64(a)      (((a)|0x13) == 0xF3)
 
-static unsigned char data_ascii2bin[128]={
+static const unsigned char data_ascii2bin[128]={
        0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
        0xFF,0xE0,0xF0,0xFF,0xFF,0xF1,0xFF,0xFF,
        0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
@@ -129,7 +129,7 @@ void EVP_EncodeInit(EVP_ENCODE_CTX *ctx)
        }
 
 void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
-            unsigned char *in, int inl)
+            const unsigned char *in, int inl)
        {
        int i,j;
        unsigned int total=0;
@@ -233,7 +233,7 @@ void EVP_DecodeInit(EVP_ENCODE_CTX *ctx)
  *  1 for full line
  */
 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
-            unsigned char *in, int inl)
+            const unsigned char *in, int inl)
        {
        int seof= -1,eof=0,rv= -1,ret=0,i,v,tmp,n,ln,tmp2,exp_nl;
        unsigned char *d;
@@ -313,7 +313,7 @@ int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
                        /* There will never be more than two '=' */
                        }
 
-               if ((v == B64_EOF) || (n >= 64))
+               if ((v == B64_EOF && (n&3) == 0) || (n >= 64))
                        {
                        /* This is needed to work correctly on 64 byte input
                         * lines.  We process the line and then need to
@@ -323,8 +323,8 @@ int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
                        if (n > 0)
                                {
                                v=EVP_DecodeBlock(out,d,n);
-                               if (v < 0) { rv=0; goto end; }
                                n=0;
+                               if (v < 0) { rv=0; goto end; }
                                ret+=(v-eof);
                                }
                        else