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
|
#include "detection/command/command.h"
#include "common/processing.h"
#include "common/FFstrbuf.h"
typedef struct FFCommandResultBundle {
FFProcessHandle handle;
const char* error;
} FFCommandResultBundle;
// FIFO, non-thread-safe list of running commands
static FFlist commandQueue;
static const char* spawnProcess(FFCommandOptions* options, FFProcessHandle* handle) {
if (options->text.length == 0) {
return "No command text specified";
}
return ffProcessSpawn(options->param.length ? (char* const[]) {
options->shell.chars,
options->param.chars,
options->text.chars,
NULL }
: (char* const[]) { options->shell.chars, options->text.chars, NULL },
options->useStdErr,
handle);
}
bool ffPrepareCommand(FFCommandOptions* options) {
if (!options->parallel) {
return false;
}
FFCommandResultBundle* bundle = FF_LIST_ADD(FFCommandResultBundle, commandQueue);
bundle->error = spawnProcess(options, &bundle->handle);
return true;
}
const char* ffDetectCommand(FFCommandOptions* options, FFstrbuf* result) {
FFCommandResultBundle bundle = {};
if (!options->parallel) {
bundle.error = spawnProcess(options, &bundle.handle);
} else if (!FF_LIST_SHIFT(commandQueue, &bundle)) {
return "[BUG] command queue is empty";
}
if (bundle.error) {
return bundle.error;
}
bundle.error = ffProcessReadOutput(&bundle.handle, result);
if (bundle.error) {
return bundle.error;
}
ffStrbufTrimRightSpace(result);
return NULL;
}
|
