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| author | Donald Sharp <sharpd@cumulusnetworks.com> | 2015-12-08 18:06:42 +0100 |
|---|---|---|
| committer | Donald Sharp <sharpd@cumulusnetworks.com> | 2015-12-08 19:07:14 +0100 |
| commit | ba6d273b004cc8e03b5314c1931ee7e18ae6f29b (patch) | |
| tree | 2e4d07dc93a14b40ea058732a1c015cbd258e88f /lib | |
| parent | bgpd: Convert BGP_MAXIMUM_MAXPATHS to MULTIPATH_NUM (diff) | |
| download | frr-ba6d273b004cc8e03b5314c1931ee7e18ae6f29b.tar.xz frr-ba6d273b004cc8e03b5314c1931ee7e18ae6f29b.zip | |
lib: Add CMD_RANGE_STR macro to command.h
Allow the auto-generation of a "<X-Y>" string for cli handline.
Where X or Y can be a #define.
CMD_RANGE_STR(LOW, HIGH) translates to:
"<4-99>"
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/command.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/command.h b/lib/command.h index 4eb31a694..f9f4c7e39 100644 --- a/lib/command.h +++ b/lib/command.h @@ -437,6 +437,17 @@ struct cmd_token #endif /* VTYSH_EXTRACT_PL */ /* Some macroes */ + +/* + * Sometimes #defines create maximum values that + * need to have strings created from them that + * allow the parser to match against them. + * These macros allow that. + */ +#define CMD_CREATE_STR(s) CMD_CREATE_STR_HELPER(s) +#define CMD_CREATE_STR_HELPER(s) #s +#define CMD_RANGE_STR(a,s) "<" CMD_CREATE_STR(a) "-" CMD_CREATE_STR(s) ">" + #define CMD_OPTION(S) ((S[0]) == '[') #define CMD_VARIABLE(S) (((S[0]) >= 'A' && (S[0]) <= 'Z') || ((S[0]) == '<')) #define CMD_VARARG(S) ((S[0]) == '.') |