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Work on POSIX-like read() and lseek() support.

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This commit is contained in:
Andreas Kling 2018-10-14 21:19:27 +02:00
parent 9f9b4a2382
commit c94044a04a
Notes: sideshowbarker 2024-07-19 18:48:17 +09:00
11 changed files with 201 additions and 36 deletions
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28
VirtualFileSystem/test.cpp
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@ -44,7 +44,7 @@ int main(int c, char** v)
printf("failed to open %s inside fs image\n", v[2]);
return 1;
}
auto contents = handle->read();
auto contents = handle->readEntireFile();
FILE* fout = fopen(v[3], "w");
if (!fout) {
@ -71,7 +71,7 @@ int main(int c, char** v)
printf("handle = %p\n", handle.ptr());
ASSERT(handle);
auto contents = handle->read();
auto contents = handle->readEntireFile();
ASSERT(contents);
printf("contents: '%s'\n", contents->pointer());
@ -141,11 +141,33 @@ int main(int c, char** v)
printf("failed to open %s\n", pathbuf);
continue;
}
auto contents = handle->read();
auto contents = handle->readEntireFile();
fwrite(contents.pointer(), sizeof(char), contents.size(), stdout);
continue;
}
if (cmd == "kat" && parts.size() > 1) {
char pathbuf[1024];
sprintf(pathbuf, "%s/%s", currentDirectory.characters(), parts[1].characters());
auto handle = vfs.open(pathbuf);
if (!handle) {
printf("failed to open %s\n", pathbuf);
continue;
}
ssize_t nread;
byte buffer[512];
for (;;) {
nread = handle->read(buffer, sizeof(buffer));
printf("read() returned %d\n", nread);
if (nread <= 0)
break;
fwrite(buffer, 1, nread, stdout);
}
if (nread < 0)
printf("ERROR: %d\n", nread);
continue;
}
if (cmd == "ma") {
SimpleMalloc::dump();
continue;