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open & write: Process regular files only

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This commit is contained in:
Jöran Karl
2024-05-12 20:54:38 +02:00
parent edc5ff75e3
commit 6bcec2100c
2 changed files with 18 additions and 4 deletions
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11
internal/buffer/buffer.go
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@@ -237,10 +237,6 @@ func NewBufferFromFileAtLoc(path string, btype BufType, cursorLoc Loc) (*Buffer,
return nil, err
}
f, err := os.OpenFile(filename, os.O_WRONLY, 0)
readonly := os.IsPermission(err)
f.Close()
fileInfo, serr := os.Stat(filename)
if serr != nil && !os.IsNotExist(serr) {
return nil, serr
@@ -248,6 +244,13 @@ func NewBufferFromFileAtLoc(path string, btype BufType, cursorLoc Loc) (*Buffer,
if serr == nil && fileInfo.IsDir() {
return nil, errors.New("Error: " + filename + " is a directory and cannot be opened")
}
if serr == nil && !fileInfo.Mode().IsRegular() {
return nil, errors.New("Error: " + filename + " is not a regular file and cannot be opened")
}
f, err := os.OpenFile(filename, os.O_WRONLY, 0)
readonly := os.IsPermission(err)
f.Close()
file, err := os.Open(filename)
if err == nil {