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e2fsprogs
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Add functions which allow an application program to do a run-time query 

of the version of the blkid library.
bitmap-optimize
Theodore Ts'o 2005-01-26 13:16:06 -05:00
parent f923bf2a81
commit 32923fa402
4 changed files with 61 additions and 2 deletions
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2
lib/blkid/ChangeLog
View File

@ -1,5 +1,7 @@
2005-01-26 Theodore Ts'o <tytso@mit.edu>
* version.c: Add functions to query the version of the blkid library.
* blkid.pc.in: Add pkg-config files.
2005-01-25 Theodore Ts'o <tytso@mit.edu>

7
lib/blkid/Makefile.in
View File

@ -19,11 +19,12 @@ all::
SMANPAGES= libblkid.3
OBJS= cache.o dev.o devname.o devno.o getsize.o llseek.o probe.o \
read.o resolve.o save.o tag.o
read.o resolve.o save.o tag.o version.o
SRCS= $(srcdir)/cache.c $(srcdir)/dev.c $(srcdir)/devname.c $(srcdir)/devno.c \
$(srcdir)/getsize.c $(srcdir)/llseek.c $(srcdir)/probe.c \
$(srcdir)/read.c $(srcdir)/resolve.c $(srcdir)/save.c $(srcdir)/tag.c
$(srcdir)/read.c $(srcdir)/resolve.c $(srcdir)/save.c $(srcdir)/tag.c \
$(srcdir)/version.c
HFILES= blkid.h
HFILES_IN= blkid_types.h
@ -194,3 +195,5 @@ save.o: $(srcdir)/save.c $(srcdir)/blkidP.h $(srcdir)/blkid.h \
$(top_builddir)/lib/blkid/blkid_types.h $(srcdir)/list.h
tag.o: $(srcdir)/tag.c $(srcdir)/blkidP.h $(srcdir)/blkid.h \
$(top_builddir)/lib/blkid/blkid_types.h $(srcdir)/list.h
version.o: $(srcdir)/version.c $(srcdir)/blkid.h \
$(top_builddir)/lib/blkid/blkid_types.h $(top_srcdir)/version.h

5
lib/blkid/blkid.h
View File

@ -92,6 +92,11 @@ extern blkid_dev blkid_find_dev_with_tag(blkid_cache cache,
extern int blkid_parse_tag_string(const char *token, char **ret_type,
char **ret_val);
/* version.c */
extern int blkid_parse_version_string(const char *ver_string);
extern int blkid_get_library_version(const char **ver_string,
const char **date_string);
#ifdef __cplusplus
}
#endif

49
lib/blkid/version.c Normal file
View File

@ -0,0 +1,49 @@
/*
* version.c --- Return the version of the blkid library
*
* Copyright (C) 2004 Theodore Ts'o.
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Public
* License.
* %End-Header%
*/
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include "blkid.h"
#include "../../version.h"
static const char *lib_version = E2FSPROGS_VERSION;
static const char *lib_date = E2FSPROGS_DATE;
int blkid_parse_version_string(const char *ver_string)
{
const char *cp;
int version = 0;
for (cp = ver_string; *cp; cp++) {
if (*cp == '.')
continue;
if (!isdigit(*cp))
break;
version = (version * 10) + (*cp - '0');
}
return version;
}
int blkid_get_library_version(const char **ver_string,
const char **date_string)
{
if (ver_string)
*ver_string = lib_version;
if (date_string)
*date_string = lib_date;
return blkid_parse_version_string(lib_version);
}