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Kernel: Add Inode::truncate(size).

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- Use this to implement the O_TRUNC open flag.
- Fix creat() to pass O_CREAT | O_TRUNC | O_WRONLY.
- Make sure we truncate wherever appropriate.
This commit is contained in:
Andreas Kling 2019-03-27 16:42:30 +01:00
parent e9f2cc3595
commit 0058da734e
8 changed files with 26 additions and 8 deletions
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4
Userland/cp.cpp
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@ -34,7 +34,7 @@ int main(int argc, char** argv)
return 1;
}
int dst_fd = open(dst_path.characters(), O_WRONLY | O_CREAT, 0666);
int dst_fd = creat(dst_path.characters(), 0666);
if (dst_fd < 0) {
if (errno != EISDIR) {
perror("open dst");
@ -45,7 +45,7 @@ int main(int argc, char** argv)
builder.append('/');
builder.append(FileSystemPath(src_path).basename());
dst_path = builder.to_string();
dst_fd = open(dst_path.characters(), O_WRONLY | O_CREAT, 0666);
dst_fd = creat(dst_path.characters(), 0666);
if (dst_fd < 0) {
perror("open dst");
return 1;