From 1baa36725d2a75333f1ed0d2b355dfc0398a07be Mon Sep 17 00:00:00 2001
From: Nishi <nishi@nishi.boats>
Date: Wed, 13 May 2026 15:02:13 +0900
Subject: [PATCH] add ppr_process_readable

---
 .clang-format      | 24 ++++++++++++++++++++++++
 include/ppr_base.h |  1 +
 src/base/process.c | 23 +++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 .clang-format

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..eb9d30c
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,24 @@
+---
+UseTab: Always
+TabWidth: 8
+AlignConsecutiveAssignments:
+  Enabled: true
+AlignConsecutiveDeclarations:
+  Enabled: true
+AccessModifierOffset: -4
+NamespaceIndentation: All
+IndentWidth: 8
+PointerAlignment: Left
+ColumnLimit: 0
+AllowShortIfStatementsOnASingleLine: Always
+AllowShortBlocksOnASingleLine: Never
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortLoopsOnASingleLine: true
+BreakBeforeBraces: Custom
+BraceWrapping:
+	AfterCaseLabel: true
+SpaceBeforeParens: Never
+AlignEscapedNewlines: DontAlign
+SortIncludes: false
+AllowShortEnumsOnASingleLine: false
+#IndentPPDirectives: AfterHash
diff --git a/include/ppr_base.h b/include/ppr_base.h
index a678d8b..f206a79 100644
--- a/include/ppr_base.h
+++ b/include/ppr_base.h
@@ -210,6 +210,7 @@ void* ppr_process_create(const char* exec, char** env);
 void  ppr_process_close(void* handle);
 int   ppr_process_write(void* handle, const void* data, int len);
 int   ppr_process_read(void* handle, void* data, int len);
+int   ppr_process_readable(void* handle);
 void  ppr_process_destroy(void* handle);
 
 /* dirent.c */
diff --git a/src/base/process.c b/src/base/process.c
index 417fcb3..3610854 100644
--- a/src/base/process.c
+++ b/src/base/process.c
@@ -245,6 +245,29 @@ int ppr_process_read(void* handle, void* data, int len) {
 #endif
 }
 
+int ppr_process_readable(void* handle) {
+	process_t* proc = handle;
+#if defined(PPR_IS_WIN32)
+	DWORD avail;
+
+	if(!PeekNamedPipe(proc->h_stdout, NULL, 0, NULL, &avail, NULL)) return 0;
+
+	return (avail > 0) ? 1 : 0;
+#elif defined(FPR_IS_UNIX)
+	struct ppr_pollfd pfd;
+	int		  n;
+
+	pfd.fd	   = proc->fd_stdout;
+	pfd.events = FPR_POLLIN | FPR_POLLPRI;
+
+	if((n = ppr_poll(&pfd, 1, 0)) < 0) return 0;
+
+	return (n > 0) ? 1 : 0;
+#else
+	return 0;
+#endif
+}
+
 void ppr_process_destroy(void* handle) {
 	process_t* proc = handle;
 #if defined(PPR_IS_WIN32)