diff options
Diffstat (limited to 'pkgtools/libkver/files/lib/kver.c')
| -rw-r--r-- | pkgtools/libkver/files/lib/kver.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/pkgtools/libkver/files/lib/kver.c b/pkgtools/libkver/files/lib/kver.c new file mode 100644 index 00000000000..d3c1721766f --- /dev/null +++ b/pkgtools/libkver/files/lib/kver.c @@ -0,0 +1,138 @@ +/* $NetBSD: kver.c,v 1.1.1.1 2003/07/11 14:50:37 seb Exp $ */ + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/sysctl.h> +#include <sys/utsname.h> +#include <assert.h> +#include <errno.h> +#include <string.h> + +#define KVER_VERSION_FMT "NetBSD %.6s (GENERIC) #0: %.40s root@localhost:/sys/arch/%.20s/compile/GENERIC %.20s" + +/* _KVER_DATE is not really the real release date but the + date of src/sys/sys/param.h's revision tagged for the release */ + +#if _KVER_OSREVISION == 105000000 +# define _KVER_OSRELEASE "1.5" +# define _KVER_DATE "Wed Dec 6 00:00:00 UTC 2000" +#elif _KVER_OSREVISION == 105000100 +# define _KVER_OSRELEASE "1.5.1" +# define _KVER_DATE "Wed Jul 11 00:00:00 UTC 2001" +#elif _KVER_OSREVISION == 105000200 +# define _KVER_OSRELEASE "1.5.2" +# define _KVER_DATE "Thu Sep 13 00:00:00 UTC 2001" +#elif _KVER_OSREVISION == 105000300 +# define _KVER_OSRELEASE "1.5.3" +# define _KVER_DATE "Mon Jul 22 00:00:00 UTC 2002" +#elif _KVER_OSREVISION == 106000000 +# define _KVER_OSRELEASE "1.6" +# define _KVER_DATE "Sat Sep 14 00:00:00 UTC 2002" +#elif _KVER_OSREVISION == 106000100 +# define _KVER_OSRELEASE "1.6.1"; +# define _KVER_DATE "Mon Apr 21 00:00:00 UTC 2003" +#else +#error You must define _KVER_OSREVISION +#endif + +static char *kver_osrelease = _KVER_OSRELEASE; +static char *kver_date = _KVER_DATE; +static int kver_osrevision = _KVER_OSREVISION; + +#define SYSCTL_STRING(oldp, oldlenp, str) \ + if (oldlenp) { \ + len = strlen(str) + 1; \ + if (!oldp) \ + *oldlenp = len; \ + else { \ + if (*oldlenp < len) { \ + r = ENOMEM; \ + len = *oldlenp; \ + } else \ + *oldlenp = len; \ + (void) strncpy(oldp, str, len); \ + } \ + } + +/* 6 chars for osrelease */ +/* 40 chars for the date string */ +/* 40 chars for 2 utsname.machine */ +#define KVER_VERSION_LEN (sizeof(KVER_VERSION_FMT) + 6 + 40 + 40 + 1) +static char kver_version[KVER_VERSION_LEN] = ""; +static struct utsname real_utsname; + +static void +kver_init(void) +{ + if (_uname(&real_utsname) != 0) + return; + snprintf(kver_version, KVER_VERSION_LEN, KVER_VERSION_FMT, + kver_osrelease, + kver_date, + real_utsname.machine, + real_utsname.machine); +} + +int +sysctl(int *name, u_int namelen, void *oldp, size_t * oldlenp, const void *newp, + size_t newlen) +{ + _DIAGASSERT(name != NULL); + + if (newp != (void *) NULL) + goto real; + + if (namelen != 2) { + errno = EINVAL; + return (-1); + } + + if (*kver_version == '\0') { + kver_init(); + if (*kver_version == '\0') + return(-1); + } + + if (name[0] == CTL_KERN) { + size_t len; + int r = 0; + switch (name[1]) { + case KERN_OSRELEASE: + SYSCTL_STRING(oldp, oldlenp, kver_osrelease); + return (r); + case KERN_OSREV: + if (oldlenp) { + if (!oldp) + *oldlenp = sizeof(int); + else { + if (*oldlenp < sizeof(int)) + return (ENOMEM); + *oldlenp = sizeof(int); + *((int *) oldp) = kver_osrevision; + } + } + return (r); + case KERN_VERSION: + SYSCTL_STRING(oldp, oldlenp, kver_version); + return (r); + } + } +real: return (_sysctl(name, namelen, oldp, oldlenp, newp, newlen)); +} + + +int +uname(struct utsname * n) +{ + if (*kver_version == '\0') { + kver_init(); + if (*kver_version == '\0') + return(-1); + } + (void) strncpy(n->sysname, real_utsname.sysname, _SYS_NMLN); + (void) strncpy(n->nodename, real_utsname.nodename, _SYS_NMLN); + (void) strncpy(n->release, kver_osrelease, _SYS_NMLN); + (void) strncpy(n->version, kver_version, _SYS_NMLN); + (void) strncpy(n->machine, real_utsname.machine, _SYS_NMLN); + return 0; +} |