There is a new convention, used by systemd and supported by most distributions, to put basic OS release information in /etc/os-release.
Signed-off-by: Ben Hutchings <[email protected]> Signed-off-by: K. Y. Srinivasan <[email protected]> Cc: [email protected] --- tools/hv/hv_kvp_daemon.c | 50 +++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 47 insertions(+), 3 deletions(-) diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index 3922abc..77a8413 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -465,15 +465,59 @@ void kvp_get_os_info(void) if (p) *p = '\0'; + /* + * Parse the /etc/os-release file if present: + * http://www.freedesktop.org/software/systemd/man/os-release.html + */ + file = fopen("/etc/os-release", "r"); + if (file != NULL) { + while (fgets(buf, sizeof(buf), file)) { + char *value, *q; + + /* Ignore comments */ + if (buf[0] == '#') + continue; + + /* Split into name=value */ + p = strchr(buf, '='); + if (!p) + continue; + *p++ = 0; + + /* Remove quotes and newline; un-escape */ + value = p; + q = p; + while (*p) { + if (*p == '\\') { + ++p; + if (!*p) + break; + *q++ = *p++; + } else if (*p == '\'' || *p == '"' || + *p == '\n') { + ++p; + } else { + *q++ = *p++; + } + } + *q = 0; + + if (!strcmp(buf, "NAME")) + os_name = strdup(value); + else if (!strcmp(buf, "VERSION_ID")) + os_major = strdup(value); + } + fclose(file); + return; + } + + /* Fallback for older RH/SUSE releases */ file = fopen("/etc/SuSE-release", "r"); if (file != NULL) goto kvp_osinfo_found; file = fopen("/etc/redhat-release", "r"); if (file != NULL) goto kvp_osinfo_found; - /* - * Add code for other supported platforms. - */ /* * We don't have information about the os. -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
