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net: move parse_macaddr() to net/util.[ch]

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Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Mark McLoughlin 2009-11-25 18:49:27 +00:00 committed by Anthony Liguori
parent d7539ab4bf
commit f1d078c341
4 changed files with 95 additions and 34 deletions
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2
Makefile
View File

@ -99,7 +99,7 @@ block-nested-$(CONFIG_CURL) += curl.o
block-obj-y += $(addprefix block/, $(block-nested-y))
net-obj-y = net.o
net-nested-y = queue.o checksum.o
net-nested-y = queue.o checksum.o util.o
net-nested-y += socket.o
net-nested-y += dump.o
net-nested-$(CONFIG_POSIX) += tap.o

35
net.c
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@ -30,6 +30,7 @@
#include "net/dump.h"
#include "net/slirp.h"
#include "net/vde.h"
#include "net/util.h"
#include "monitor.h"
#include "sysemu.h"
#include "qemu-common.h"
@ -69,38 +70,6 @@ static void hex_dump(FILE *f, const uint8_t *buf, int size)
}
#endif
static int parse_macaddr(uint8_t *macaddr, const char *p)
{
int i;
char *last_char;
long int offset;
errno = 0;
offset = strtol(p, &last_char, 0);
if (0 == errno && '\0' == *last_char &&
offset >= 0 && offset <= 0xFFFFFF) {
macaddr[3] = (offset & 0xFF0000) >> 16;
macaddr[4] = (offset & 0xFF00) >> 8;
macaddr[5] = offset & 0xFF;
return 0;
} else {
for(i = 0; i < 6; i++) {
macaddr[i] = strtol(p, (char **)&p, 16);
if (i == 5) {
if (*p != '\0')
return -1;
} else {
if (*p != ':' && *p != '-')
return -1;
p++;
}
}
return 0;
}
return -1;
}
static int get_str_sep(char *buf, int buf_size, const char **pp, int sep)
{
const char *p, *p1;
@ -858,7 +827,7 @@ static int net_init_nic(QemuOpts *opts,
nd->macaddr[5] = 0x56 + idx;
if (qemu_opt_get(opts, "macaddr") &&
parse_macaddr(nd->macaddr, qemu_opt_get(opts, "macaddr")) < 0) {
net_parse_macaddr(nd->macaddr, qemu_opt_get(opts, "macaddr")) < 0) {
qemu_error("invalid syntax for ethernet address\n");
return -1;
}

60
net/util.c Normal file
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@ -0,0 +1,60 @@
/*
* QEMU System Emulator
*
* Copyright (c) 2003-2008 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "net/util.h"
#include <errno.h>
#include <stdlib.h>
int net_parse_macaddr(uint8_t *macaddr, const char *p)
{
int i;
char *last_char;
long int offset;
errno = 0;
offset = strtol(p, &last_char, 0);
if (errno == 0 && *last_char == '\0' &&
offset >= 0 && offset <= 0xFFFFFF) {
macaddr[3] = (offset & 0xFF0000) >> 16;
macaddr[4] = (offset & 0xFF00) >> 8;
macaddr[5] = offset & 0xFF;
return 0;
}
for (i = 0; i < 6; i++) {
macaddr[i] = strtol(p, (char **)&p, 16);
if (i == 5) {
if (*p != '\0') {
return -1;
}
} else {
if (*p != ':' && *p != '-') {
return -1;
}
p++;
}
}
return 0;
}

32
net/util.h Normal file
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@ -0,0 +1,32 @@
/*
* QEMU System Emulator
*
* Copyright (c) 2003-2008 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef QEMU_NET_UTIL_H
#define QEMU_NET_UTIL_H
#include <stdint.h>
int net_parse_macaddr(uint8_t *macaddr, const char *p);
#endif /* QEMU_NET_UTIL_H */