diff options
Diffstat (limited to 'lib/stdlib/doc/src/filename.xml')
| -rw-r--r-- | lib/stdlib/doc/src/filename.xml | 49 |
1 files changed, 40 insertions, 9 deletions
diff --git a/lib/stdlib/doc/src/filename.xml b/lib/stdlib/doc/src/filename.xml index 14fd5ef787..ce19f70df0 100644 --- a/lib/stdlib/doc/src/filename.xml +++ b/lib/stdlib/doc/src/filename.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1997</year><year>2017</year> + <year>1997</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -46,7 +46,10 @@ filename by removing redundant directory separators, use <seealso marker="#join/1"><c>join/1</c></seealso>.</p> - <p>The module supports raw filenames in the way that if a binary is + <p> + The module supports + <seealso marker="unicode_usage#notes-about-raw-filenames">raw + filenames</seealso> in the way that if a binary is present, or the filename cannot be interpreted according to the return value of <seealso marker="kernel:file#native_name_encoding/0"> <c>file:native_name_encoding/0</c></seealso>, a raw filename is also @@ -56,6 +59,30 @@ (the join operation is performed of course). For more information about raw filenames, see the <seealso marker="kernel:file"><c>file</c></seealso> module.</p> + + <note> + <p> + Functionality in this module generally assumes valid input and + does not necessarily fail on input that does not use a valid + encoding, but may instead very likely produce invalid output. + </p> + <p> + File operations used to accept filenames containing + null characters (integer value zero). This caused + the name to be truncated and in some cases arguments + to primitive operations to be mixed up. Filenames + containing null characters inside the filename + are now <em>rejected</em> and will cause primitive + file operations to fail. + </p> + </note> + <warning><p> + Currently null characters at the end of the filename + will be accepted by primitive file operations. Such + filenames are however still documented as invalid. The + implementation will also change in the future and + reject such filenames. + </p></warning> </description> <datatypes> <datatype> @@ -372,15 +399,18 @@ true tuples <c>{<anno>BinSuffix</anno>, <anno>SourceSuffix</anno>}</c> and is interpreted as follows: if the end of the directory name where the object is located matches <c><anno>BinSuffix</anno></c>, then the - source code directory has the same name, but with - <c><anno>BinSuffix</anno></c> replaced by - <c><anno>SourceSuffix</anno></c>. <c><anno>Rules</anno></c> defaults + name created by replacing <c><anno>BinSuffix</anno></c> with + <c><anno>SourceSuffix</anno></c> is expanded by calling + <seealso marker="filelib#wildcard/1"> + <c>filelib:wildcard/1</c></seealso>. + If a regular file is found among the matches, the function + returns that location together with <c><anno>Options</anno></c>. + Otherwise the next rule is tried, and so on.</p> + <p><c><anno>Rules</anno></c> defaults to:</p> <code type="none"> -[{"", ""}, {"ebin", "src"}, {"ebin", "esrc"}]</code> - <p>If the source file is found in the resulting directory, the function - returns that location together with <c><anno>Options</anno></c>. - Otherwise the next rule is tried, and so on.</p> +[{"", ""}, {"ebin", "src"}, {"ebin", "esrc"}, + {"ebin", "src/*"}, {"ebin", "esrc/*"}]</code> <p>The function returns <c>{<anno>SourceFile</anno>, <anno>Options</anno>}</c> if it succeeds. <c><anno>SourceFile</anno></c> is the absolute path to the source @@ -555,6 +585,7 @@ unsafe</pre> ["a:/","msdev","include"]</pre> </desc> </func> + </funcs> </erlref> |