src/libstatgrab/error.c

/*
 * i-scream libstatgrab
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 * 02111-1307 USA
 *
 * $Id: error.c,v 1.7 2004/04/07 21:08:40 tdb Exp $
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdlib.h>

#include "statgrab.h"

static sg_error error = SG_ERROR_NONE;
#define ERROR_ARG_MAX 256
static char error_arg[ERROR_ARG_MAX];

void sg_set_error(sg_error code, const char *arg) {
        error = code;
        strlcpy(error_arg, arg, sizeof error_arg);
}

sg_error sg_get_error() {
        return error;
}

const char *sg_get_error_arg() {
        return error_arg;
}

const char *sg_str_error(sg_error code) {
        switch (code) {
        case SG_ERROR_NONE:
                return "no error";
        case SG_ERROR_ASPRINTF:
                return "asprintf failed";
        case SG_ERROR_DEVSTAT_GETDEVS:
                return "devstat_getdevs failed";
        case SG_ERROR_DEVSTAT_SELECTDEVS:
                return "devstat_selectdevs failed";
        case SG_ERROR_ENOENT:
                return "system call received ENOENT";
        case SG_ERROR_GETIFADDRS:
                return "getifaddress failed";
        case SG_ERROR_GETMNTINFO:
                return "getmntinfo failed";
        case SG_ERROR_GETPAGESIZE:
                return "getpagesize failed";
        case SG_ERROR_KSTAT_DATA_LOOKUP:
                return "kstat_data_lookup failed";
        case SG_ERROR_KSTAT_LOOKUP:
                return "kstat_lookup failed";
        case SG_ERROR_KSTAT_OPEN:
                return "kstat_open failed";
        case SG_ERROR_KSTAT_READ:
                return "kstat_read failed";
        case SG_ERROR_KVM_GETSWAPINFO:
                return "kvm_getswapinfo failed";
        case SG_ERROR_KVM_OPENFILES:
                return "kvm_openfiles failed";
        case SG_ERROR_MALLOC:
                return "malloc failed";
        case SG_ERROR_OPEN:
                return "failed to open file";
        case SG_ERROR_OPENDIR:
                return "failed to open directory";
        case SG_ERROR_PARSE:
                return "failed to parse input";
        case SG_ERROR_SETEGID:
                return "setegid failed";
        case SG_ERROR_SETEUID:
                return "seteuid failed";
        case SG_ERROR_SETMNTENT:
                return "setmntent failed";
        case SG_ERROR_SOCKET:
                return "socket failed";
        case SG_ERROR_SWAPCTL:
                return "swapctl failed";
        case SG_ERROR_SYSCONF:
                return "sysconf failed";
        case SG_ERROR_SYSCTL:
                return "sysctl failed";
        case SG_ERROR_SYSCTLBYNAME:
                return "sysctlbyname failed";
        case SG_ERROR_SYSCTLNAMETOMIB:
                return "sysctlnametomib failed";
        case SG_ERROR_UNAME:
                return "uname failed";
        case SG_ERROR_UNSUPPORTED:
                return "unsupported function";
        case SG_ERROR_XSW_VER_MISMATCH:
                return "XSW version mismatch";
        }
        return "unknown error";
}

Revision:	1.8
Committed:	Wed Apr 7 21:19:26 2004 UTC (20 years, 1 month ago) by ats
Content type:	text/plain
Branch:	MAIN
Changes since 1.7:	+9 -4 lines
Log Message:	Add sg_get_error_arg. It uses a static buffer for storage rather than sg_update_string because we can't do anything about a malloc failure at that point. Remove the default case in the switch, so GCC will give an "unhandled enum value in switch" warning if we add a new error code without a string.
#	User	Rev	Content
1	tdb	1.1	/*
2			* i-scream libstatgrab
3			* http://www.i-scream.org
4			* Copyright (C) 2000-2004 i-scream
5			*
6			* This library is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public
8			* License as published by the Free Software Foundation; either
9			* version 2.1 of the License, or (at your option) any later version.
10			*
11			* This library is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14			* Lesser General Public License for more details.
15			*
16			* You should have received a copy of the GNU Lesser General Public
17			* License along with this library; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19			* 02111-1307 USA
20			*
21	ats	1.8	* $Id: error.c,v 1.7 2004/04/07 21:08:40 tdb Exp $
22	tdb	1.1	*/
23
24			#ifdef HAVE_CONFIG_H
25			#include "config.h"
26			#endif
27
28			#include <stdlib.h>
29
30			#include "statgrab.h"
31
32	ats	1.2	static sg_error error = SG_ERROR_NONE;
33	ats	1.8	#define ERROR_ARG_MAX 256
34			static char error_arg[ERROR_ARG_MAX];
35	tdb	1.1
36			void sg_set_error(sg_error code, const char *arg) {
37			error = code;
38	ats	1.8	strlcpy(error_arg, arg, sizeof error_arg);
39	tdb	1.1	}
40
41			sg_error sg_get_error() {
42			return error;
43			}
44
45	ats	1.8	const char *sg_get_error_arg() {
46			return error_arg;
47			}
48
49	ats	1.2	const char *sg_str_error(sg_error code) {
50			switch (code) {
51			case SG_ERROR_NONE:
52			return "no error";
53	tdb	1.7	case SG_ERROR_ASPRINTF:
54			return "asprintf failed";
55			case SG_ERROR_DEVSTAT_GETDEVS:
56			return "devstat_getdevs failed";
57			case SG_ERROR_DEVSTAT_SELECTDEVS:
58			return "devstat_selectdevs failed";
59			case SG_ERROR_ENOENT:
60			return "system call received ENOENT";
61			case SG_ERROR_GETIFADDRS:
62			return "getifaddress failed";
63			case SG_ERROR_GETMNTINFO:
64			return "getmntinfo failed";
65			case SG_ERROR_GETPAGESIZE:
66			return "getpagesize failed";
67			case SG_ERROR_KSTAT_DATA_LOOKUP:
68			return "kstat_data_lookup failed";
69			case SG_ERROR_KSTAT_LOOKUP:
70			return "kstat_lookup failed";
71			case SG_ERROR_KSTAT_OPEN:
72			return "kstat_open failed";
73			case SG_ERROR_KSTAT_READ:
74			return "kstat_read failed";
75			case SG_ERROR_KVM_GETSWAPINFO:
76			return "kvm_getswapinfo failed";
77			case SG_ERROR_KVM_OPENFILES:
78			return "kvm_openfiles failed";
79	tdb	1.4	case SG_ERROR_MALLOC:
80			return "malloc failed";
81			case SG_ERROR_OPEN:
82			return "failed to open file";
83	tdb	1.7	case SG_ERROR_OPENDIR:
84			return "failed to open directory";
85	tdb	1.4	case SG_ERROR_PARSE:
86			return "failed to parse input";
87	tdb	1.7	case SG_ERROR_SETEGID:
88			return "setegid failed";
89			case SG_ERROR_SETEUID:
90			return "seteuid failed";
91	tdb	1.6	case SG_ERROR_SETMNTENT:
92			return "setmntent failed";
93	tdb	1.7	case SG_ERROR_SOCKET:
94			return "socket failed";
95			case SG_ERROR_SWAPCTL:
96			return "swapctl failed";
97			case SG_ERROR_SYSCONF:
98			return "sysconf failed";
99			case SG_ERROR_SYSCTL:
100			return "sysctl failed";
101			case SG_ERROR_SYSCTLBYNAME:
102			return "sysctlbyname failed";
103			case SG_ERROR_SYSCTLNAMETOMIB:
104			return "sysctlnametomib failed";
105			case SG_ERROR_UNAME:
106			return "uname failed";
107			case SG_ERROR_UNSUPPORTED:
108			return "unsupported function";
109			case SG_ERROR_XSW_VER_MISMATCH:
110			return "XSW version mismatch";
111	ats	1.2	}
112	ats	1.8	return "unknown error";
113	tdb	1.1	}
114