[SCM] GNU libtasn1 branch, master, updated. libtasn1_3_4-14-ga8b3e14

[Nikos Mavrogiannopoulos]

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http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=a8b3e14f84174e01755bfd1be5448fffce7c9ffa

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- Log -----------------------------------------------------------------
commit a8b3e14f84174e01755bfd1be5448fffce7c9ffa
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Tue Apr 15 13:49:40 2014 +0200

    Do not try to write over null values

-----------------------------------------------------------------------

Summary of changes:
 lib/element.c |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/lib/element.c b/lib/element.c
index ee77feb..8addf02 100644
--- a/lib/element.c
+++ b/lib/element.c
@@ -621,7 +621,8 @@ asn1_write_value (asn1_node node_root, const char *name,
        if (ptr_size < data_size) { \
                return ASN1_MEM_ERROR; \
        } else { \
-               memcpy( ptr, data, data_size); \
+               if (ptr) \
+                 memcpy( ptr, data, data_size); \
        }
 
 #define PUT_STR_VALUE( ptr, ptr_size, data) \
@@ -630,7 +631,8 @@ asn1_write_value (asn1_node node_root, const char *name,
                return ASN1_MEM_ERROR; \
        } else { \
                /* this strcpy is checked */ \
-               _asn1_strcpy(ptr, data); \
+               if (ptr) \
+                 _asn1_strcpy(ptr, data); \
        }
 
 #define PUT_AS_STR_VALUE( ptr, ptr_size, data, data_size) \
@@ -639,8 +641,10 @@ asn1_write_value (asn1_node node_root, const char *name,
                return ASN1_MEM_ERROR; \
        } else { \
                /* this strcpy is checked */ \
-               memcpy(ptr, data, data_size); \
-               ptr[data_size] = 0; \
+               if (ptr) { \
+                 memcpy(ptr, data, data_size); \
+                 ptr[data_size] = 0; \
+               } \
        }
 
 #define ADD_STR_VALUE( ptr, ptr_size, data) \
@@ -649,7 +653,7 @@ asn1_write_value (asn1_node node_root, const char *name,
                return ASN1_MEM_ERROR; \
        } else { \
                /* this strcat is checked */ \
-               _asn1_strcat(ptr, data); \
+               if (ptr) _asn1_strcat(ptr, data); \
        }
 
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