diff --git a/proc/version.c b/proc/version.c index e7139cc4..593f4f4e 100644 --- a/proc/version.c +++ b/proc/version.c @@ -28,20 +28,43 @@ void display_version(void) { int linux_version_code; void init_Linux_version(void) { - static struct utsname uts; int x = 0, y = 0, z = 0; /* cleared in case sscanf() < 3 */ int version_string_depth; + +#ifdef __linux__ + static struct utsname uts; if (uname(&uts) == -1) /* failure implies impending death */ exit(1); version_string_depth = sscanf(uts.release, "%d.%d.%d", &x, &y, &z); +#else + FILE *fp; + char buf[256]; + + if ( (fp=fopen("/proc/version","r")) == NULL) { + fprintf(stderr, "Cannot find /proc/version - is /proc mounted?\n"); + exit(1); + } + if (fgets(buf, 256, fp) == NULL) { + fprintf(stderr, "Cannot read kernel version from /proc/version\n"); + fclose(fp); + exit(1); + } + fclose(fp); + version_string_depth = sscanf(buf, "Linux version %d.%d.%d", &x, &y, &z); +#endif /* __linux__ */ if ((version_string_depth < 2) || /* Non-standard for all known kernels */ ((version_string_depth < 3) && (x < 3))) /* Non-standard for 2.x.x kernels */ +#ifdef __linux__ fprintf(stderr, /* *very* unlikely to happen by accident */ "Non-standard uts for running kernel:\n" "release %s=%d.%d.%d gives version code %d\n", uts.release, x, y, z, LINUX_VERSION(x,y,z)); +#else + "%s=%d.%d.%d gives version code %d\n", + buf, x, y, z, LINUX_VERSION(x,y,z)); +#endif /* __linux__ */ linux_version_code = LINUX_VERSION(x, y, z); }