Add the files

1 files changed, 55 insertions, 0 deletions

diff --git a/src/common/processing.h b/src/common/processing.h
new file mode 100644
index 0000000..51105c8
--- /dev/null
+++ b/src/common/processing.h
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "common/FFstrbuf.h"
+
+#ifndef _WIN32
+    #include <sys/types.h> // pid_t
+#endif
+
+typedef struct FFProcessHandle {
+#if _WIN32
+    void* pid;      // HANDLE
+    void* pipeRead; // HANDLE
+#else
+    pid_t pid;
+    int pipeRead;
+#endif
+} FFProcessHandle;
+
+const char* ffProcessSpawn(char* const argv[], bool useStdErr, FFProcessHandle* outHandle);
+const char* ffProcessReadOutput(FFProcessHandle* handle, FFstrbuf* buffer); // Destroys handle internally
+
+static inline const char* ffProcessAppendStdOut(FFstrbuf* buffer, char* const argv[]) {
+    FFProcessHandle handle;
+    const char* error = ffProcessSpawn(argv, false, &handle);
+    if (error) {
+        return error;
+    }
+
+    error = ffProcessReadOutput(&handle, buffer);
+    if (!error) {
+        ffStrbufTrimRightSpace(buffer);
+    }
+    return error;
+}
+
+static inline const char* ffProcessAppendStdErr(FFstrbuf* buffer, char* const argv[]) {
+    FFProcessHandle handle;
+    const char* error = ffProcessSpawn(argv, true, &handle);
+    if (error) {
+        return error;
+    }
+
+    error = ffProcessReadOutput(&handle, buffer);
+    if (!error) {
+        ffStrbufTrimRightSpace(buffer);
+    }
+    return error;
+}
+
+#ifdef _WIN32
+bool ffProcessGetInfoWindows(uint32_t pid, uint32_t* ppid, FFstrbuf* pname, FFstrbuf* exe, const char** exeName, FFstrbuf* exePath, bool* gui);
+#else
+void ffProcessGetInfoLinux(pid_t pid, FFstrbuf* processName, FFstrbuf* exe, const char** exeName, FFstrbuf* exePath);
+const char* ffProcessGetBasicInfoLinux(pid_t pid, FFstrbuf* name, pid_t* ppid, int32_t* tty);
+#endif