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[OS] Add functions to determine standard I/O device type.

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This commit is contained in:
bruvzg
2024-04-26 10:34:35 +03:00
parent 87318a2fb7
commit 76164c2aa9
11 changed files with 377 additions and 22 deletions
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85
drivers/unix/os_unix.cpp
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@@ -77,6 +77,7 @@
#include <stdlib.h>
#include <string.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <time.h>
@@ -182,9 +183,87 @@ Vector<String> OS_Unix::get_video_adapter_driver_info() const {
return Vector<String>();
}
String OS_Unix::get_stdin_string() {
char buff[1024];
return String::utf8(fgets(buff, 1024, stdin));
String OS_Unix::get_stdin_string(int64_t p_buffer_size) {
Vector<uint8_t> data;
data.resize(p_buffer_size);
if (fgets((char *)data.ptrw(), data.size(), stdin)) {
return String::utf8((char *)data.ptr());
}
return String();
}
PackedByteArray OS_Unix::get_stdin_buffer(int64_t p_buffer_size) {
Vector<uint8_t> data;
data.resize(p_buffer_size);
size_t sz = fread((void *)data.ptrw(), 1, data.size(), stdin);
if (sz > 0) {
data.resize(sz);
return data;
}
return PackedByteArray();
}
OS_Unix::StdHandleType OS_Unix::get_stdin_type() const {
int h = fileno(stdin);
if (h == -1) {
return STD_HANDLE_INVALID;
}
if (isatty(h)) {
return STD_HANDLE_CONSOLE;
}
struct stat statbuf;
if (fstat(h, &statbuf) < 0) {
return STD_HANDLE_UNKNOWN;
}
if (S_ISFIFO(statbuf.st_mode)) {
return STD_HANDLE_PIPE;
} else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) {
return STD_HANDLE_FILE;
}
return STD_HANDLE_UNKNOWN;
}
OS_Unix::StdHandleType OS_Unix::get_stdout_type() const {
int h = fileno(stdout);
if (h == -1) {
return STD_HANDLE_INVALID;
}
if (isatty(h)) {
return STD_HANDLE_CONSOLE;
}
struct stat statbuf;
if (fstat(h, &statbuf) < 0) {
return STD_HANDLE_UNKNOWN;
}
if (S_ISFIFO(statbuf.st_mode)) {
return STD_HANDLE_PIPE;
} else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) {
return STD_HANDLE_FILE;
}
return STD_HANDLE_UNKNOWN;
}
OS_Unix::StdHandleType OS_Unix::get_stderr_type() const {
int h = fileno(stderr);
if (h == -1) {
return STD_HANDLE_INVALID;
}
if (isatty(h)) {
return STD_HANDLE_CONSOLE;
}
struct stat statbuf;
if (fstat(h, &statbuf) < 0) {
return STD_HANDLE_UNKNOWN;
}
if (S_ISFIFO(statbuf.st_mode)) {
return STD_HANDLE_PIPE;
} else if (S_ISREG(statbuf.st_mode) || S_ISLNK(statbuf.st_mode)) {
return STD_HANDLE_FILE;
}
return STD_HANDLE_UNKNOWN;
}
Error OS_Unix::get_entropy(uint8_t *r_buffer, int p_bytes) {