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Userland: Teach the file utility that empty files also exist

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Previously, empty files with no identifiable file type extension would
show up as `text/plain`. This fixes it up to show empty files as what
they really are - full of nothing.
This commit is contained in:
Valtteri Koskivuori 2021-06-15 20:29:04 +03:00 • committed by Andreas Kling
parent 1414c7b049
commit c69ea44397
1 changed files with 10 additions and 0 deletions
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10
Userland/Utilities/file.cpp
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@ -12,6 +12,7 @@
#include <LibCore/MimeData.h> #include <LibCore/MimeData.h>
#include <LibGfx/ImageDecoder.h> #include <LibGfx/ImageDecoder.h>
#include <stdio.h> #include <stdio.h>
#include <sys/stat.h>
#include <unistd.h> #include <unistd.h>
static Optional<String> description_only(String description, [[maybe_unused]] const String& path) static Optional<String> description_only(String description, [[maybe_unused]] const String& path)
@ -121,8 +122,17 @@ int main(int argc, char** argv)
continue; continue;
} }
struct stat file_stat;
if (lstat(path, &file_stat) < 0) {
perror("lstat");
return 1;
}
auto file_size_in_bytes = file_stat.st_size;
if (file->is_directory()) { if (file->is_directory()) {
outln("{}: directory", path); outln("{}: directory", path);
} else if (!file_size_in_bytes) {
outln("{}: empty", path);
} else { } else {
// Read accounts for longest possible offset + signature we currently match against. // Read accounts for longest possible offset + signature we currently match against.
auto bytes = file->read(0x9006); auto bytes = file->read(0x9006);