[vlc-devel] commit: Added config_ChainDuplicate to duplicate config_chain_t list. ( Laurent Aimar )

[git version control]

vlc | branch: master | Laurent Aimar <fenrir at videolan.org> | Sun May 31 17:28:20 2009 +0200| [6452698b9a24b07df260464c6f5eb635b0d2e4d9] | committer: Laurent Aimar 

Added config_ChainDuplicate to duplicate config_chain_t list.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=6452698b9a24b07df260464c6f5eb635b0d2e4d9
---

 include/vlc_configuration.h |    5 +++++
 src/config/chain.c          |   19 +++++++++++++++++++
 src/libvlccore.sym          |    1 +
 3 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/include/vlc_configuration.h b/include/vlc_configuration.h
index 5ccb29e..1c2c48f 100644
--- a/include/vlc_configuration.h
+++ b/include/vlc_configuration.h
@@ -279,6 +279,11 @@ VLC_EXPORT( char *, config_ChainCreate, ( char **ppsz_name, config_chain_t **pp_
 VLC_EXPORT( void, config_ChainDestroy, ( config_chain_t * ) );
 
 /**
+ * This function will duplicate a linked list of config_chain_t
+ */
+VLC_EXPORT( config_chain_t *, config_ChainDuplicate, ( const config_chain_t * ) );
+
+/**
  * This function will unescape a string in place and will return a pointer on
  * the given string.
  * No memory is allocated by it (unlike config_StringEscape).
diff --git a/src/config/chain.c b/src/config/chain.c
index 3122c48..88ad283 100644
--- a/src/config/chain.c
+++ b/src/config/chain.c
@@ -412,6 +412,25 @@ void __config_ChainParse( vlc_object_t *p_this, const char *psz_prefix,
     }
 }
 
+config_chain_t *config_ChainDuplicate( const config_chain_t *p_src )
+{
+    config_chain_t *p_dst = NULL;
+    config_chain_t **pp_last = &p_dst;
+    while( p_src )
+    {
+        config_chain_t *p = malloc( sizeof(*p) );
+        if( !p )
+            break;
+        p->p_next    = NULL;
+        p->psz_name  = p_src->psz_name  ? strdup( p_src->psz_name )  : NULL;
+        p->psz_value = p_src->psz_value ? strdup( p_src->psz_value ) : NULL;
+
+        *pp_last = p;
+        pp_last = &p->p_next;
+    }
+    return p_dst;
+}
+
 char *config_StringUnescape( char *psz_string )
 {
     char *psz_src = psz_string;
diff --git a/src/libvlccore.sym b/src/libvlccore.sym
index 48f0a32..239ff76 100644
--- a/src/libvlccore.sym
+++ b/src/libvlccore.sym
@@ -51,6 +51,7 @@ block_Realloc
 __config_AddIntf
 config_ChainCreate
 config_ChainDestroy
+config_ChainDuplicate
 __config_ChainParse
 __config_ExistIntf
 config_FindConfig