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Fix uname problem that was breaking poweroff.

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This commit is contained in:
Eric Andersen 2000-10-30 17:22:04 +00:00
parent 3e07541e5f
commit ef936da7c5
6 changed files with 19 additions and 65 deletions
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8
Changelog
View File

@ -1,3 +1,11 @@
0.48
* Fixed uname problem causing the kernel version to be
mis-detected (causing problems with poweroff, init,
and other things).
-Erik Andersen
0.47
* A bug in syslogd was fixed that allowed it to potentially fork-bomb

18
mkswap.c
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@ -63,20 +63,6 @@ static int version = -1;
#define MAKE_VERSION(p,q,r) (65536*(p) + 256*(q) + (r))
static int linux_version_code(void)
{
struct utsname my_utsname;
int p, q, r;
if (uname(&my_utsname) == 0) {
p = atoi(strtok(my_utsname.release, "."));
q = atoi(strtok(NULL, "."));
r = atoi(strtok(NULL, "."));
return MAKE_VERSION(p, q, r);
}
return 0;
}
/*
* The definition of the union swap_header uses the constant PAGE_SIZE.
* Unfortunately, on some architectures this depends on the hardware model,
@ -345,7 +331,7 @@ int mkswap_main(int argc, char **argv)
if (version == -1) {
if (PAGES <= V0_MAX_PAGES)
version = 0;
else if (linux_version_code() < MAKE_VERSION(2, 1, 117))
else if (get_kernel_revision() < MAKE_VERSION(2, 1, 117))
version = 0;
else if (pagesize < 2048)
version = 0;
@ -366,7 +352,7 @@ int mkswap_main(int argc, char **argv)
#else
if (!version)
maxpages = V0_MAX_PAGES;
else if (linux_version_code() >= MAKE_VERSION(2, 2, 1))
else if (get_kernel_revision() >= MAKE_VERSION(2, 2, 1))
maxpages = V1_MAX_PAGES;
else {
maxpages = V1_OLD_MAX_PAGES;

18
nfsmount.c
View File

@ -160,20 +160,6 @@ static char *nfs_strerror(int stat);
#define EX_BG 256 /* retry in background (internal only) */
static int
linux_version_code(void) {
struct utsname my_utsname;
int p, q, r;
if (uname(&my_utsname) == 0) {
p = atoi(strtok(my_utsname.release, "."));
q = atoi(strtok(NULL, "."));
r = atoi(strtok(NULL, "."));
return MAKE_VERSION(p,q,r);
}
return 0;
}
/*
* nfs_mount_version according to the sources seen at compile time.
*/
@ -197,7 +183,7 @@ find_kernel_nfs_mount_version(void) {
if (kernel_version)
return;
kernel_version = linux_version_code();
kernel_version = get_kernel_revision();
if (kernel_version) {
if (kernel_version < MAKE_VERSION(2,1,32))
@ -796,7 +782,7 @@ int nfsmount(const char *spec, const char *node, int *flags,
* to avoid problems with multihomed hosts.
* --Swen
*/
if (linux_version_code() <= 66314
if (get_kernel_revision() <= 66314
&& connect(fsock, (struct sockaddr *) &server_addr,
sizeof (server_addr)) < 0) {
perror(_("nfs connect"));

18
util-linux/mkswap.c
View File

@ -63,20 +63,6 @@ static int version = -1;
#define MAKE_VERSION(p,q,r) (65536*(p) + 256*(q) + (r))
static int linux_version_code(void)
{
struct utsname my_utsname;
int p, q, r;
if (uname(&my_utsname) == 0) {
p = atoi(strtok(my_utsname.release, "."));
q = atoi(strtok(NULL, "."));
r = atoi(strtok(NULL, "."));
return MAKE_VERSION(p, q, r);
}
return 0;
}
/*
* The definition of the union swap_header uses the constant PAGE_SIZE.
* Unfortunately, on some architectures this depends on the hardware model,
@ -345,7 +331,7 @@ int mkswap_main(int argc, char **argv)
if (version == -1) {
if (PAGES <= V0_MAX_PAGES)
version = 0;
else if (linux_version_code() < MAKE_VERSION(2, 1, 117))
else if (get_kernel_revision() < MAKE_VERSION(2, 1, 117))
version = 0;
else if (pagesize < 2048)
version = 0;
@ -366,7 +352,7 @@ int mkswap_main(int argc, char **argv)
#else
if (!version)
maxpages = V0_MAX_PAGES;
else if (linux_version_code() >= MAKE_VERSION(2, 2, 1))
else if (get_kernel_revision() >= MAKE_VERSION(2, 2, 1))
maxpages = V1_MAX_PAGES;
else {
maxpages = V1_OLD_MAX_PAGES;

18
util-linux/nfsmount.c
View File

@ -160,20 +160,6 @@ static char *nfs_strerror(int stat);
#define EX_BG 256 /* retry in background (internal only) */
static int
linux_version_code(void) {
struct utsname my_utsname;
int p, q, r;
if (uname(&my_utsname) == 0) {
p = atoi(strtok(my_utsname.release, "."));
q = atoi(strtok(NULL, "."));
r = atoi(strtok(NULL, "."));
return MAKE_VERSION(p,q,r);
}
return 0;
}
/*
* nfs_mount_version according to the sources seen at compile time.
*/
@ -197,7 +183,7 @@ find_kernel_nfs_mount_version(void) {
if (kernel_version)
return;
kernel_version = linux_version_code();
kernel_version = get_kernel_revision();
if (kernel_version) {
if (kernel_version < MAKE_VERSION(2,1,32))
@ -796,7 +782,7 @@ int nfsmount(const char *spec, const char *node, int *flags,
* to avoid problems with multihomed hosts.
* --Swen
*/
if (linux_version_code() <= 66314
if (get_kernel_revision() <= 66314
&& connect(fsock, (struct sockaddr *) &server_addr,
sizeof (server_addr)) < 0) {
perror(_("nfs connect"));

4
utility.c
View File

@ -156,7 +156,9 @@ extern int get_kernel_revision(void)
perror("cannot get system information");
return (0);
}
sscanf(name.version, "%d.%d.%d", &major, &minor, &patch);
major = atoi(strtok(name.release, "."));
minor = atoi(strtok(NULL, "."));
patch = atoi(strtok(NULL, "."));
return major * 65536 + minor * 256 + patch;
}
#endif /* BB_INIT */