Revert "Code clean up and add example"

This reverts commit 7396970afe2290488fd072612a650353dd13a16d.

21 files changed, 20 insertions, 238 deletions

diff --git a/autogen.sh b/autogen.sh
index ab75b974..9d394bff 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,33 +1,5 @@
 #!/bin/sh
 # Run this to generate all the initial makefiles, etc.
-RED='\033[0;31m'
-NC='\033[0m' # No Color
-
-case "$(uname -s)" in
-        Linux)
-                if ! [ -x "$(command -v lsblk)" ]; then
-                        echo '' >&2
-                        echo -e "${RED}*** ERROR:${NC}  lsblk cannot be found. Try installing util-linux or util-linux-ng ${RED}***${NC}" >&2
-                        echo '' >&2
-                        exit 1
-                fi
-                if ! [ -x "$(command -v sed)" ]; then
-                        echo '' >&2
-                        echo -e "${RED}*** ERROR:${NC}  sed cannot be found. ***" >&2
-                        echo '' >&2
-                        exit 1
-                fi
-                if ! [ -x "$(command -v tr)" ]; then
-                        echo '' >&2
-                        echo -e "${RED}*** ERROR:${NC}  tr cannot be found. ***" >&2
-                        echo '' >&2
-                        exit 1
-                fi
-        ;;
-        *)
-        ;;
-esac
-
 test -n "$srcdir" || srcdir=$(dirname "$0")
 test -n "$srcdir" || srcdir=.
 
diff --git a/configure.ac b/configure.ac
index 5426daf1..d7215bf0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -71,16 +71,6 @@ dnl Most people should have a working perl interpreter on their system
 AC_CHECK_PROGS(PERL, perl5 perl)
 test -z "$PERL" && AC_MSG_ERROR([You need to have a working perl interpreter.])
 
-case "${host_os}" in
-	linux*)
-		AC_CHECK_TOOL(LSBLK,lsblk)
-		AC_CHECK_TOOL(SED,sed)
-		AC_CHECK_TOOL(TR,tr)
-		;;
-	*)
-		;;
-esac
-
 AC_CHECK_TOOL(CC,gcc)
 AC_CHECK_TOOL(RANLIB,ranlib)
 AC_CHECK_TOOL(AS,as)
diff --git a/doc/reference/libgtop-sections.txt b/doc/reference/libgtop-sections.txt
index 3d6d710d..ba878943 100644
--- a/doc/reference/libgtop-sections.txt
+++ b/doc/reference/libgtop-sections.txt
@@ -29,7 +29,6 @@ glibtop_close_p
 GLIBTOP_CMND_QUIT
 GLIBTOP_CMND_SYSDEPS
 GLIBTOP_CMND_CPU
-GLIBTOP_CMND_DISK
 GLIBTOP_CMND_MEM
 GLIBTOP_CMND_SWAP
 GLIBTOP_CMND_UPTIME
@@ -679,39 +678,6 @@ glibtop_init_cpu_s
 glibtop_get_cpu_s
 </SECTION>
 
-<INCLUDE>glibtop/disk.h</INCLUDE>
-<SECTION>
-<FILE>disk</FILE>
-GLIBTOP_DISK_TOTAL
-GLIBTOP_DISK_USER
-GLIBTOP_DISK_NICE
-GLIBTOP_DISK_SYS
-GLIBTOP_DISK_IDLE
-GLIBTOP_DISK_FREQUENCY
-GLIBTOP_XDISK_TOTAL
-GLIBTOP_XDISK_USER
-GLIBTOP_XDISK_NICE
-GLIBTOP_XDISK_SYS
-GLIBTOP_XDISK_IDLE
-GLIBTOP_XDISK_FLAGS
-GLIBTOP_DISK_IOWAIT
-GLIBTOP_DISK_IRQ
-GLIBTOP_DISK_SOFTIRQ
-GLIBTOP_XDISK_IOWAIT
-GLIBTOP_XDISK_IRQ
-GLIBTOP_XDISK_SOFTIRQ
-GLIBTOP_MAX_DISK
-GLIBTOP_NDISK
-glibtop_disk
-glibtop_get_disk
-glibtop_get_disk_r
-glibtop_get_disk_l
-glibtop_init_disk_p
-glibtop_get_disk_p
-glibtop_init_disk_s
-glibtop_get_disk_s
-</SECTION>
-
 <INCLUDE>glibtop/swap.h</INCLUDE>
 <SECTION>
 <FILE>swap</FILE>
diff --git a/examples/Makefile.am b/examples/Makefile.am
index ef192787..25585e04 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -34,9 +34,6 @@ mountlist_LDADD		= $(top_builddir)/lib/libgtop-2.0.la
 smp_SOURCES		= smp.c
 smp_LDADD		= $(top_builddir)/lib/libgtop-2.0.la -lm
 
-disk_SOURCES		= disk.c
-disk_LDADD		= $(top_builddir)/lib/libgtop-2.0.la -lm
-
 timings_SOURCES		= timings.c
 timings_LDADD		= $(top_builddir)/lib/libgtop-2.0.la
 
diff --git a/examples/disk.c b/examples/disk.c
deleted file mode 100644
index c3c61142..00000000
--- a/examples/disk.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/* Copyright (C) 1998-99 Martin Baulig
-   This file is part of LibGTop 1.0.
-
-   Contributed by James Dominic P. Guana <guana.histark@gmail.com>, May 2020.
-
-   LibGTop is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License,
-   or (at your option) any later version.
-
-   LibGTop is distributed in the hope that it will be useful, but WITHOUT
-   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-   for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with LibGTop; see the file COPYING. If not, write to the
-   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.
-*/
-
-#include <config.h>
-
-#include <locale.h>
-#include <libintl.h>
-#include <math.h>
-#include <stdio.h>
-
-#include <glibtop.h>
-#include <glibtop/disk.h>
-
-int
-main (int argc, char *argv [])
-{
-	glibtop_disk disk;
-	char separator [BUFSIZ];
-	int ndisk, i;
-
-	glibtop_init();
-
-	glibtop_get_disk (&disk);
-
-	ndisk = glibtop_global_server->ndisk ? glibtop_global_server->ndisk : 1;
-
-	memset (separator, '-', 91);
-	separator [92] = '\0';
-
-	printf("\n\n");
-	printf ("ELAPSE                  ");
-	printf ("Read    Time Read        Write   Time Write\n");
-	printf ("%s\n", separator);
-
-	for (i = 0; i < ndisk; i++) {
-		printf ("DISK %3d      : %12lu %12lu %12lu %12lu\n", i,
-			(unsigned long) disk.xdisk_sectors_read [i],
-			(unsigned long) disk.xdisk_time_read [i],
-			(unsigned long) disk.xdisk_sectors_write  [i],
-			(unsigned long) disk.xdisk_time_write   [i]);
-
-	}
-
-	printf ("%s\n\n\n", separator);
-
-	exit (0);
-}
diff --git a/features.def b/features.def
index 50cbe72a..faab87b1 100644
--- a/features.def
+++ b/features.def
@@ -1,5 +1,4 @@
 void|cpu
-void|disk
 void|mem
 void|swap
 void|uptime
diff --git a/include/glibtop/Makefile.am b/include/glibtop/Makefile.am
index da78ca93..6d0e055f 100644
--- a/include/glibtop/Makefile.am
+++ b/include/glibtop/Makefile.am
@@ -2,7 +2,7 @@ glibtopdir		= $(includedir)/libgtop-2.0/glibtop
 
 glibtop_HEADERS		= close.h loadavg.h prockernel.h procstate.h \
 			  sem_limits.h uptime.h command.h mem.h proclist.h \
-			  proctime.h shm_limits.h cpu.h disk.h msg_limits.h \
+			  proctime.h shm_limits.h cpu.h msg_limits.h \
 			  procmem.h procuid.h swap.h \
 			  procsegment.h sysdeps.h global.h \
 			  procsignal.h union.h gnuserv.h \
diff --git a/include/glibtop/command.h b/include/glibtop/command.h
index 31e89589..9a0e47b1 100644
--- a/include/glibtop/command.h
+++ b/include/glibtop/command.h
@@ -60,9 +60,8 @@ G_BEGIN_DECLS
 #define GLIBTOP_CMND_PROC_WD		26
 #define GLIBTOP_CMND_PROC_AFFINITY	27
 #define GLIBTOP_CMND_PROC_IO	28
-#define GLIBTOP_CMND_DISK	29
 
-#define GLIBTOP_MAX_CMND		30
+#define GLIBTOP_MAX_CMND		29
 
 #define _GLIBTOP_PARAM_SIZE		16
 
diff --git a/include/glibtop/disk.h b/include/glibtop/disk.h
index 292924f6..cdde7796 100644
--- a/include/glibtop/disk.h
+++ b/include/glibtop/disk.h
@@ -46,20 +46,16 @@ struct _partition_info
 {
 	char name[256];
 	char type[256];
-	char raid_num[256];
+   char raid_num[256];
 	int max;
 };
 
-typedef struct _partition_info partition_info;
-
 struct _glibtop_disk
 {
-   guint64 flags;
 	guint64 xdisk_sectors_read [GLIBTOP_NDISK];	/* GLIBTOP_XDISK_SECTORS_READ		*/
 	guint64 xdisk_time_read [GLIBTOP_NDISK];	/* GLIBTOP_XDISK_TIME_READ		*/
 	guint64 xdisk_sectors_write [GLIBTOP_NDISK];	/* GLIBTOP_XDISK_SECTORS_WRITE		*/
 	guint64 xdisk_time_write  [GLIBTOP_NDISK];	/* GLIBTOP_XDISK_TIME_WRITE		*/
-   guint64 xdisk_flags;
 };
 
 void glibtop_get_disk (glibtop_disk *buf);
diff --git a/include/glibtop/union.h b/include/glibtop/union.h
index eb57cfc0..bda7c576 100644
--- a/include/glibtop/union.h
+++ b/include/glibtop/union.h
@@ -61,7 +61,7 @@ typedef union _glibtop_union	glibtop_union;
 union _glibtop_union
 {
 	glibtop_cpu		cpu;
-	glibtop_disk	disk;
+	glibtop_disk		disk;
 	glibtop_mem		mem;
 	glibtop_swap		swap;
 	glibtop_uptime		uptime;
diff --git a/lib/sysdeps.c b/lib/sysdeps.c
index beb950e8..96292568 100644
--- a/lib/sysdeps.c
+++ b/lib/sysdeps.c
@@ -139,9 +139,6 @@ const _glibtop_init_func_t _glibtop_init_hook_p [] = {
 #if GLIBTOP_SUID_CPU
 	_glibtop_init_cpu_p,
 #endif
-#if GLIBTOP_SUID_DISK
-	_glibtop_init_disk_p,
-#endif
 #if GLIBTOP_SUID_MEM
 	_glibtop_init_mem_p,
 #endif
diff --git a/libgtop-2.0.pc.in b/libgtop-2.0.pc.in
index 4381ab20..e1753322 100644
--- a/libgtop-2.0.pc.in
+++ b/libgtop-2.0.pc.in
@@ -5,7 +5,7 @@ includedir=@includedir@
           
 Name: libgtop
 Description: Portable System Access Library
-Requires: glib-2.0, util-linux
+Requires: glib-2.0
 Version: @VERSION@
 Libs: -L${libdir} -lgtop-2.0
 Cflags: -I${includedir}/libgtop-2.0
diff --git a/libgtop.spec.in b/libgtop.spec.in
index f4fefa5b..5957868e 100644
--- a/libgtop.spec.in
+++ b/libgtop.spec.in
@@ -5,7 +5,6 @@
 %define prefix   /usr
 
 Summary: LibGTop library
-Requires: util-linux, sed
 Name: libgtop
 Version: %ver
 Release: %rel
diff --git a/src/daemon/main.c b/src/daemon/main.c
index 88e19a09..34cbaf50 100644
--- a/src/daemon/main.c
+++ b/src/daemon/main.c
@@ -98,7 +98,7 @@ handle_parent_connection (int s)
 	    do_output (s, resp, _offset_data (cpu), 0, NULL);
 	    break;
 	case GLIBTOP_CMND_DISK:
-	    glibtop_get_disk_l (server, &resp->u.data.disk);
+	    glibtop_get_disk_l (server, &resp->u.disk.cpu);
 	    do_output (s, resp, _offset_data (disk), 0, NULL);
 	    break;
 	case GLIBTOP_CMND_MEM:
diff --git a/src/daemon/slave.c b/src/daemon/slave.c
index 6e80b2b8..e15f1efc 100644
--- a/src/daemon/slave.c
+++ b/src/daemon/slave.c
@@ -135,12 +135,6 @@ handle_slave_command (glibtop_command *cmnd, glibtop_response *resp,
 		resp->offset = _offset_data (cpu);
 		break;
 #endif
-#if GLIBTOP_SUID_DISK
-	case GLIBTOP_CMND_DISK:
-		glibtop_get_disk_p (server, &resp->u.data.disk);
-		resp->offset = _offset_data (disk);
-		break;
-#endif
 #if GLIBTOP_SUID_MEM
 	case GLIBTOP_CMND_MEM:
 		glibtop_get_mem_p (server, &resp->u.data.mem);
diff --git a/sysdeps/common/default.c b/sysdeps/common/default.c
index ff6c3ecd..653a4f5a 100644
--- a/sysdeps/common/default.c
+++ b/sysdeps/common/default.c
@@ -72,9 +72,9 @@ glibtop_get_cpu(glibtop_cpu *buf)
  *
  */
 void
-glibtop_get_disk (glibtop_disk *buf)
+glibtop_get_cpu (glibtop_cpu *buf)
 {
-	glibtop_get_disk_l (glibtop_global_server, buf);
+	glibtop_get_cpu_l (glibtop_global_server, buf);
 }
 
 
diff --git a/sysdeps/linux/disk.c b/sysdeps/linux/disk.c
index c2d341f6..3ad74bcc 100644
--- a/sysdeps/linux/disk.c
+++ b/sysdeps/linux/disk.c
@@ -48,7 +48,7 @@ _glibtop_init_disk_s (glibtop *server)
 // Handle LVM and RAID //
 
 void
-find_primary_part (partition_info *primary_part, const char *m)
+find_primary_part (_partition_info *primary_part, const char *m)
 {
 	int n = 0, tlvl = 0;
 	char name[256]="",type[256]="";
@@ -190,7 +190,7 @@ find_primary_part (partition_info *primary_part, const char *m)
 }
 
 int
-is_virtual_drive (partition_info *primary_part, const char *p)
+is_virtual_drive (_partition_info *primary_part, const char *p)
 {
 	int i;
 	char name[256];
@@ -220,27 +220,10 @@ is_virtual_drive (partition_info *primary_part, const char *p)
 	return test;
 }
 
-int
-max_lines (const char *p)
-{
-	char temp[10];
-	int count = 0;
-
-	while (sscanf (p, "%s", temp) == 1)
-	{
-
-		p = skip_line(p);
-		count++;
-
-	}
-
-	return count;
-}
-
 void
 glibtop_get_disk_s (glibtop *server, glibtop_disk *buf)
 {
-	partition_info primary_part[GLIBTOP_NDISK];
+	_partition_info primary_part[GLIBTOP_NDISK];
 	char buffer [STAT_BUFSIZ], *p, map_buffer [STAT_BUFSIZ], *m;
 	int i;
 
@@ -250,6 +233,8 @@ glibtop_get_disk_s (glibtop *server, glibtop_disk *buf)
 
 	get_from_pipe (map_buffer, CMD_PIPE);
 
+	server->ndisk = GLIBTOP_NDISK;
+
 	/*
 	 * GLOBAL
 	 */
@@ -261,23 +246,23 @@ glibtop_get_disk_s (glibtop *server, glibtop_disk *buf)
 	 * PER DISK
 	 */
 
-	server->ndisk = max_lines(p);
-
 	find_primary_part (primary_part, m);
 
-	for (i = 0; i < server->ndisk; i++) {
+	for (i = 0; i <= server->ndisk; i++) {
 
 		p = skip_multiple_token (p,2);
 
 		// skip if disk is the raw device
 		if (!is_virtual_drive (primary_part, p)) {
 
-			server->ndisk--;
 			p = skip_line (p); /* move to ^ */
 			p = skip_multiple_token (p, 2);
 
 		}
 
+		if (!check_disk_line_warn (server, p, i))
+			break;
+
 		p = skip_token (p); /* prev xdisk_name */
 		p = skip_token (p); /* prev xdisk_reads_completed */
 		p = skip_token (p); /* prev xdisk_reads_merged */
diff --git a/sysdeps/linux/glibtop_private.h b/sysdeps/linux/glibtop_private.h
index 39101163..66fed54c 100644
--- a/sysdeps/linux/glibtop_private.h
+++ b/sysdeps/linux/glibtop_private.h
@@ -62,7 +62,7 @@ skip_line (const char *p)
 }
 
 void
-get_from_pipe (char *buffer, const char *cmd);
+get_from_pipe (char *buffer, const char *cmd)
 
 /*
  * Smart strtoul which handles binary suffixes
diff --git a/sysdeps/stub/Makefile.am b/sysdeps/stub/Makefile.am
index 6d9ce727..f4219edb 100644
--- a/sysdeps/stub/Makefile.am
+++ b/sysdeps/stub/Makefile.am
@@ -3,7 +3,7 @@ AM_CPPFLAGS			= @AM_CPPFLAGS@
 
 noinst_LTLIBRARIES		= libgtop_sysdeps-2.0.la
 
-libgtop_sysdeps_2_0_la_SOURCES	= open.c close.c siglist.c cpu.c disk.c mem.c swap.c \
+libgtop_sysdeps_2_0_la_SOURCES	= open.c close.c siglist.c cpu.c mem.c swap.c \
 				  uptime.c loadavg.c shm_limits.c msg_limits.c \
 				  sem_limits.c proclist.c procstate.c procuid.c \
 				  proctime.c procmem.c procsignal.c prockernel.c \
diff --git a/sysdeps/stub_suid/Makefile.am b/sysdeps/stub_suid/Makefile.am
index 3f1bf958..fcc7daf9 100644
--- a/sysdeps/stub_suid/Makefile.am
+++ b/sysdeps/stub_suid/Makefile.am
@@ -7,7 +7,7 @@ libgtop_sysdeps_2_0_la_SOURCES	= nosuid.c siglist.c
 
 libgtop_sysdeps_2_0_la_LDFLAGS	= $(LT_VERSION_INFO)
 
-libgtop_sysdeps_suid_2_0_la_SOURCES	= open.c close.c siglist.c cpu.c disk.c mem.c swap.c \
+libgtop_sysdeps_suid_2_0_la_SOURCES	= open.c close.c siglist.c cpu.c mem.c swap.c \
 				  uptime.c loadavg.c shm_limits.c msg_limits.c \
 				  sem_limits.c proclist.c procstate.c procuid.c \
 				  proctime.c procmem.c procsignal.c prockernel.c \
diff --git a/sysdeps/stub_suid/disk.c b/sysdeps/stub_suid/disk.c
deleted file mode 100644
index ed5cda02..00000000
--- a/sysdeps/stub_suid/disk.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/* Copyright (C) 1998-99 Martin Baulig
-   This file is part of LibGTop 1.0.
-
-   Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
-
-   LibGTop is free software; you can redistribute it and/or modify it
-   under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License,
-   or (at your option) any later version.
-
-   LibGTop is distributed in the hope that it will be useful, but WITHOUT
-   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-   for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with LibGTop; see the file COPYING. If not, write to the
-   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.
-*/
-
-#include <config.h>
-#include <glibtop.h>
-#include <glibtop/error.h>
-#include <glibtop/disk.h>
-
-#include <glibtop_suid.h>
-
-static const unsigned long _glibtop_sysdeps_disk = 0;
-
-/* Init function. */
-
-void
-_glibtop_init_disk_p (glibtop *server)
-{
-	server->sysdeps.disk = _glibtop_sysdeps_disk;
-}
-
-/* Provides information about disk usage. */
-
-void
-glibtop_get_disk_p (glibtop *server, glibtop_disk *buf)
-{
-	glibtop_init_p (server, GLIBTOP_SYSDEPS_DISK, 0);
-
-	memset (buf, 0, sizeof (glibtop_disk));
-}