diff options
Diffstat (limited to 'src/readahead')
| -rw-r--r-- | src/readahead/readahead.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/readahead/readahead.c b/src/readahead/readahead.c index 29255c9f07..d6729ec946 100644 --- a/src/readahead/readahead.c +++ b/src/readahead/readahead.c @@ -29,6 +29,7 @@ #include "util.h" #include "def.h" +#include "build.h" #include "readahead-common.h" unsigned arg_files_max = 16*1024; @@ -40,6 +41,7 @@ static int help(void) { printf("%s [OPTIONS...] collect [DIRECTORY]\n\n" "Collect read-ahead data on early boot.\n\n" " -h --help Show this help\n" + " --version Show package version\n" " --max-files=INT Maximum number of files to read ahead\n" " --file-size-max=BYTES Maximum size of files to read ahead\n" " --timeout=USEC Maximum time to spend collecting data\n\n\n", @@ -48,12 +50,14 @@ static int help(void) { printf("%s [OPTIONS...] replay [DIRECTORY]\n\n" "Replay collected read-ahead data on early boot.\n\n" " -h --help Show this help\n" + " --version Show package version\n" " --file-size-max=BYTES Maximum size of files to read ahead\n\n\n", program_invocation_short_name); printf("%s [OPTIONS...] analyze [PACK FILE]\n\n" "Analyze collected read-ahead data.\n\n" - " -h --help Show this help\n", + " -h --help Show this help\n" + " --version Show package version\n", program_invocation_short_name); return 0; @@ -62,17 +66,19 @@ static int help(void) { static int parse_argv(int argc, char *argv[]) { enum { - ARG_FILES_MAX = 0x100, + ARG_VERSION = 0x100, + ARG_FILES_MAX, ARG_FILE_SIZE_MAX, ARG_TIMEOUT }; static const struct option options[] = { { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, ARG_VERSION }, { "files-max", required_argument, NULL, ARG_FILES_MAX }, { "file-size-max", required_argument, NULL, ARG_FILE_SIZE_MAX }, { "timeout", required_argument, NULL, ARG_TIMEOUT }, - { NULL, 0, NULL, 0 } + {} }; int c; @@ -85,7 +91,11 @@ static int parse_argv(int argc, char *argv[]) { switch (c) { case 'h': - help(); + return help(); + + case ARG_VERSION: + puts(PACKAGE_STRING); + puts(SYSTEMD_FEATURES); return 0; case ARG_FILES_MAX: @@ -119,8 +129,7 @@ static int parse_argv(int argc, char *argv[]) { return -EINVAL; default: - log_error("Unknown option code %c", c); - return -EINVAL; + assert_not_reached("Unhandled option"); } } |