1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#include "process.h"
struct Process {
HANDLE pipe_read, pipe_write;
PROCESS_INFORMATION process_info;
};
bool process_exec(Process *process, char const *program, char **argv) {
// thanks to https://stackoverflow.com/a/35658917
bool success = false;
memset(process, 0, sizeof *process);
HANDLE pipe_read, pipe_write;
SECURITY_ATTRIBUTES security_attrs = {sizeof(SECURITY_ATTRIBUTES)};
security_attrs.bInheritHandle = TRUE;
if (CreatePipe(&pipe_read, &pipe_write, &security_attrs, 0)) {
STARTUPINFOA startup = {sizeof(STARTUPINFOA)};
startup.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
startup.hStdOutput = pipe_write;
startup.hStdError = pipe_write;
startup.wShowWindow = SW_HIDE;
// fuckin windows
char command_line[4096];
strbuf_cpy(command_line, program);
strbuf_catf(command_line, " ");
for (int i = 0; argv[i]; ++i) {
strbuf_catf(command_line, "%s ", argv[i]);
}
if (CreateProcessA(NULL, command_line, NULL, NULL, TRUE, CREATE_NEW_CONSOLE,
NULL, NULL, &startup, &process->process_info)) {
process->pipe_read = pipe_read;
process->pipe_write = pipe_write;
success = true;
}
if (!success) {
CloseHandle(pipe_read);
CloseHandle(pipe_write);
}
}
return success;
}
long long process_read(Process *process, char *data, size_t size) {
DWORD bytes_read = 0, bytes_avail = 0, bytes_left = 0;
if (PeekNamedPipe(process->pipe_read, data, (DWORD)size, &bytes_read, &bytes_avail, &bytes_left)) {
if (bytes_read == 0)
return -1;
else
return bytes_read;
} else {
return -2;
}
}
void process_kill(Process *process) {
// @TODO: kill process
CloseHandle(process->pipe_read);
CloseHandle(process->pipe_write);
CloseHandle(process->process_info.hProcess);
CloseHandle(process->process_info.hThread);
}
|
