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| author | Thomas Haller <thaller@redhat.com> | 2014-03-14 14:26:12 +0100 |
|---|---|---|
| committer | Thomas Haller <thaller@redhat.com> | 2014-04-03 10:55:54 +0200 |
| commit | a72079a862af122494d06b44550d650720b439e4 (patch) | |
| tree | 41c2685e204d0bf5e0861d01f27bcc461bc071f8 | |
| parent | 408ecd6b5fe9cb09f2177e8e0010a044ea4aa309 (diff) | |
| download | NetworkManager-a72079a862af122494d06b44550d650720b439e4.tar.gz | |
core: add macro STRLEN
Returns the length of a string at compile time. Contrary to strlen(),
which is a run time expression -- even if the compler might be able to
optimize strlen() for string constants.
Signed-off-by: Thomas Haller <thaller@redhat.com>
| -rw-r--r-- | src/NetworkManagerUtils.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/NetworkManagerUtils.h b/src/NetworkManagerUtils.h index f9583f5f5d..cf55b07790 100644 --- a/src/NetworkManagerUtils.h +++ b/src/NetworkManagerUtils.h @@ -40,6 +40,9 @@ void nm_utils_ip6_address_clear_host_address (struct in6_addr *dst, const struct int nm_spawn_process (const char *args); +/* macro to return strlen() of a compile time string. */ +#define STRLEN(str) ( sizeof ("" str) - 1 ) + gboolean nm_match_spec_string (const GSList *specs, const char *string); gboolean nm_match_spec_hwaddr (const GSList *specs, const char *hwaddr); gboolean nm_match_spec_s390_subchannels (const GSList *specs, const char *subchannels); |