CODING_STYLE: document the order in which unescaping + specifier expansion should be done

2017-11-21 17:58:51 +01:00 · 2017-11-21 17:58:51 +01:00 · 35838def32
parent 36444d2213
commit 35838def32
1 changed files with 5 additions and 0 deletions
--- a/5
+++ b/5
@ -434,3 +434,8 @@
  that interrupted system calls are automatically restarted, and we minimize
  hassles with handling EINTR (in particular as EINTR handling is pretty broken
  on Linux).
+
+- When applying C-style unescaping as well as specifier expansion on the same
+  string, always apply the C-style unescaping fist, followed by the specifier
+  expansion. When doing the reverse, make sure to escape '%' in specifier-style
+  first (i.e. '%' → '%%'), and then do C-style escaping where necessary.