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Re: [lvm-devel] [PATCH 3/3] New base files needed for liblvm with doxygen style descriptions.



On Thu, 2009-02-19 at 20:01 +0100, Thomas Woerner wrote:
> Added files lib/lvm.h and lib/lvm_base.c:
> New structure lvm (used as an alias to cmd_context), new type definition lvm_t
> for the lvm handle. Added functions lvm_create, lvm_destroy and
> lvm_reload_config using the new handle.
> 
> Modified test/api/test.c:
> Use new lvm.h header file and lvm_t handle.
> 
> Removed lib/lvm2.h
> 
> Signed-off-by: Thomas Woerner <twoerner redhat com>
> ---
>  lib/Makefile.in |    5 ++-
>  lib/lvm.h       |   57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  lib/lvm2.h      |   53 ---------------------------------------------------
>  test/api/test.c |   17 +++++++--------
>  4 files changed, 68 insertions(+), 64 deletions(-)
>  create mode 100644 lib/lvm.h
>  delete mode 100644 lib/lvm2.h
> 
> diff --git a/lib/Makefile.in b/lib/Makefile.in
> index 54092cd..47786a7 100644
> --- a/lib/Makefile.in
> +++ b/lib/Makefile.in
> @@ -1,6 +1,6 @@
>  #
>  # Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
> -# Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
> +# Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
>  #
>  # This file is part of LVM2.
>  #
> @@ -86,7 +86,8 @@ SOURCES =\
>  	report/report.c \
>  	striped/striped.c \
>  	uuid/uuid.c \
> -	zero/zero.c
> +	zero/zero.c \
> +	lvm_base.c
>  
>  ifeq ("@LVM1@", "internal")
>    SOURCES +=\
> diff --git a/lib/lvm.h b/lib/lvm.h
> new file mode 100644
> index 0000000..09ff680
> --- /dev/null
> +++ b/lib/lvm.h
> @@ -0,0 +1,57 @@
> +/*
> + * Copyright (C) 2008,2009 Red Hat, Inc. All rights reserved.
> + *
> + * This file is part of LVM2.
> + *
> + * This copyrighted material is made available to anyone wishing to use,
> + * modify, copy, or redistribute it subject to the terms and conditions
> + * of the GNU Lesser General Public License v.2.1.
> + *
> + * You should have received a copy of the GNU Lesser General Public License
> + * along with this program; if not, write to the Free Software Foundation,
> + * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
> + */
> +#ifndef _LIB_LVM_H
> +#define _LIB_LVM_H
> +
> +#include "version.h"
> +
> +#include <stdint.h>
> +
> +struct lvm; /* internal data */
> +
> +/**
> + * The lvm handle.
> + */
> +typedef struct lvm *lvm_t;
> +
> +/**
> + * Create a LVM handle.
> + *
> + * \param   system_dir
> + *          Set an alternative system path or NULL for the default value. If
> + *          the environment variable LVM_SYSTEM_DIR is set, it will overwrite
> + *          this value.
> + * \return  A valid LVM handle is returned or NULL if there has been a
> + *          memory allocation problem. You have to check if an error occured
> + *          with the lvm_error function.
> + */
> +lvm_t lvm_create(const char *system_dir);
> +
> +/**
> + * Destroy a LVM handle allocated with lvm_create.
> + *
> + * \param   libh
> + *          Handle obtained from lvm_create.
> + */
> +void lvm_destroy(lvm_t libh);
> +
> +/**
> + * Reload the original configuration from the system directory.
> + *
> + * \param   libh
> + *          Handle obtained from lvm_create.
> + */
> +int lvm_reload_config(lvm_t libh);
> +
> +#endif /* _LIB_LVM_H */
> diff --git a/lib/lvm2.h b/lib/lvm2.h
> deleted file mode 100644
> index b18cead..0000000
> --- a/lib/lvm2.h
> +++ /dev/null
> @@ -1,53 +0,0 @@
> -/*
> - * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.  
> - * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
> - *
> - * This file is part of LVM2.
> - *
> - * This copyrighted material is made available to anyone wishing to use,
> - * modify, copy, or redistribute it subject to the terms and conditions
> - * of the GNU Lesser General Public License v.2.1.
> - *
> - * You should have received a copy of the GNU Lesser General Public License
> - * along with this program; if not, write to the Free Software Foundation,
> - * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
> - */
> -#ifndef _LIB_LVM2_H
> -#define _LIB_LVM2_H
> -
> -#include <stdint.h>
> -
> -/*
> - * Library Initialisation
> - * FIXME: For now just #define lvm2_create() and lvm2_destroy() to 
> - * create_toolcontext() and destroy_toolcontext()
> - */
> -struct arg;
> -struct cmd_context;
> -struct cmd_context *create_toolcontext(unsigned is_long_lived);
> -void destroy_toolcontext(struct cmd_context *cmd);
> -
> -/*
> - * lvm2_create
> -lvm_handle_t lvm2_create(void);
> - *
> - * Description: Create an LVM2 handle used in many other APIs.
> - *
> - * Returns:
> - * NULL: Fail - unable to initialise handle.
> - * non-NULL: Success - valid LVM2 handle returned
> - */
> -#define lvm2_create(X) create_toolcontext(1)
> -
> -/*
> - * lvm2_destroy
> -void lvm2_destroy(lvm_handle_t h);
> - *
> - * Description: Destroy an LVM2 handle allocated with lvm2_create
> - *
> - * Parameters:
> - * - h (IN): handle obtained from lvm2_create
> - */
> -#define lvm2_destroy(X) destroy_toolcontext(X)
> -
> -#endif
> diff --git a/test/api/test.c b/test/api/test.c
> index de53c46..b742976 100644
> --- a/test/api/test.c
> +++ b/test/api/test.c
> @@ -1,6 +1,6 @@
>  /*
>   * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.  
> - * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
> + * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
>   *
>   * This file is part of LVM2.
>   *
> @@ -16,7 +16,7 @@
>  #include <string.h>
>  #include <stdlib.h>
>  #include <readline/readline.h>
> -#include "lvm2.h"
> +#include "lvm.h"
>  
>  #define MAX_ARGS 64
>  
> @@ -48,7 +48,7 @@ static int lvm_split(char *str, int *argc, char **argv, int max)
>  	return *argc;
>  }
>  
> -static int lvmapi_test_shell(void *h)
> +static int lvmapi_test_shell(lvm_t libh)
>  {
>  	int argc, i;
>  	char *input = NULL, *args[MAX_ARGS], **argv;
> @@ -99,18 +99,17 @@ static int lvmapi_test_shell(void *h)
>  		      
>  int main (int argc, char *argv[])
>  {
> -	void *h;
> +	lvm_t libh;
>  
> -	h = lvm2_create();
> -	if (!h) {
> +	libh = lvm_create(NULL);
> +	if (!libh) {
>  		printf("Unable to open lvm library instance\n");
>  		return 1;
>  	}
>  
> -	lvmapi_test_shell(h);
> +	lvmapi_test_shell(libh);
>  
> -	if (h)
> -		lvm2_destroy(h);
> +	lvm_destroy(libh);
>  	return 0;
>  }
>  

lvm_base.c missing - did you forget to 'git add'?

Ack the rest of the patch.


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