diff options
Diffstat (limited to 'build2/utility.ixx')
-rw-r--r-- | build2/utility.ixx | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/build2/utility.ixx b/build2/utility.ixx index a726b0c..d0fe80c 100644 --- a/build2/utility.ixx +++ b/build2/utility.ixx @@ -33,6 +33,24 @@ namespace build2 return e - b; } + inline void + hash_path (sha256& cs, const path& p, const dir_path& prefix) + { + // Note: for efficiency we don't use path::leaf() and "skip" the prefix + // without copying. + // + const char* s (p.string ().c_str ()); + + if (!prefix.empty () && p.sub (prefix)) + { + s += prefix.size (); // Does not include trailing slash except for root. + if (path::traits::is_separator (*s)) + ++s; + } + + cs.append (s); + } + template <typename T> inline void append_options (cstrings& args, T& s, const variable& var, const char* e) |