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Diffstat (limited to 'docs/miscellaneous.rst')
| -rw-r--r-- | docs/miscellaneous.rst | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/docs/miscellaneous.rst b/docs/miscellaneous.rst index 3d95ef57..f2ad0f88 100644 --- a/docs/miscellaneous.rst +++ b/docs/miscellaneous.rst @@ -111,8 +111,11 @@ it is also possible to provide path redirects using `prefix=path` in the followi This essentially instructs the compiler to search for anything starting with `github.com/ethereum/dapp-bin/` under `/usr/local/lib/dapp-bin` and if it does not find the file there, it will look at `/usr/local/lib/fallback` (the empty prefix -always matches) and if also that fails, it will make a full path lookup -on the filesystem. +always matches). `solc` will not read files from the filesystem that lie outside of +the remapping targets and outside of the directories where explicitly specified source +files reside, so things like `import "/etc/passwd";` only work if you add `=/` as a remapping. + +If there are multiple matches due to remappings, the one with the longest common prefix is selected. If your contracts use [libraries](#libraries), you will notice that the bytecode contains substrings of the form `__LibraryName______`. You can use `solc` as a linker meaning that it will insert the library addresses for you at those points: |