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io.files.info: make access checks throw on file-does-not-exist.

db4
John Benediktsson 2012-10-24 17:39:19 -07:00
parent c458b7dcaf
commit 83b40e44d2
2 changed files with 9 additions and 6 deletions
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9
basis/io/files/info/info-docs.factor
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@ -39,15 +39,18 @@ HELP: file-system-info
HELP: file-readable?
{ $values { "path" "a pathname string" } { "?" boolean } }
{ $description "Returns whether the file specified by " { $snippet "path" } " exists and is readable by the current process." } ;
{ $description "Returns whether the file specified by " { $snippet "path" } " is readable by the current process." }
{ $errors "Throws an error if the file does not exist." } ;
HELP: file-writable?
{ $values { "path" "a pathname string" } { "?" boolean } }
{ $description "Returns whether the file specified by " { $snippet "path" } " exists and is writable by the current process." } ;
{ $description "Returns whether the file specified by " { $snippet "path" } " is writable by the current process." }
{ $errors "Throws an error if the file does not exist." } ;
HELP: file-executable?
{ $values { "path" "a pathname string" } { "?" boolean } }
{ $description "Returns whether the file specified by " { $snippet "path" } " exists and is executable by the current process." } ;
{ $description "Returns whether the file specified by " { $snippet "path" } " is executable by the current process." }
{ $errors "Throws an error if the file does not exist." } ;
ARTICLE: "io.files.info" "File system meta-data"
"File meta-data:"

6
basis/io/files/info/unix/unix.factor
View File

@ -284,8 +284,8 @@ PRIVATE>
[ drop file-type>executable ]
} case ;
M: unix file-readable? normalize-path flags{ F_OK R_OK } access 0 = ;
M: unix file-writable? normalize-path flags{ F_OK W_OK } access 0 = ;
M: unix file-executable? normalize-path flags{ F_OK X_OK } access 0 = ;
M: unix file-readable? normalize-path R_OK access io-error t ;
M: unix file-writable? normalize-path W_OK access io-error t ;
M: unix file-executable? normalize-path X_OK access io-error t ;
"io.files.info.unix." os name>> append require