diff mbox series

[1/2] eal: add strsep() for Windows builds

Message ID 1747401734-6303-1-git-send-email-andremue@linux.microsoft.com (mailing list archive)
State New
Delegated to: Thomas Monjalon
Headers
Series [1/2] eal: add strsep() for Windows builds |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Andre Muezerie May 16, 2025, 1:22 p.m. UTC 
Function strsep() is used by DPDK code but is not available on Windows.

This patch adds an implementation from NetBSD, unblocking code depending
on it from being compiled on Windows.

Signed-off-by: Andre Muezerie <andremue@linux.microsoft.com>
---
 lib/eal/windows/include/rte_os_shim.h |  1 +
 lib/eal/windows/include/strsep.h      |  9 +++++
 lib/eal/windows/meson.build           |  1 +
 lib/eal/windows/strsep.c              | 47 +++++++++++++++++++++++++++
 4 files changed, 58 insertions(+)
 create mode 100644 lib/eal/windows/include/strsep.h
 create mode 100644 lib/eal/windows/strsep.c
diff mbox series

Patch

diff --git a/lib/eal/windows/include/rte_os_shim.h b/lib/eal/windows/include/rte_os_shim.h
index 0e74eb19c7..9c3da554da 100644
--- a/lib/eal/windows/include/rte_os_shim.h
+++ b/lib/eal/windows/include/rte_os_shim.h
@@ -7,6 +7,7 @@ 
 
 #include <rte_os.h>
 #include <rte_windows.h>
+#include <strsep.h>
 
 /**
  * @file
diff --git a/lib/eal/windows/include/strsep.h b/lib/eal/windows/include/strsep.h
new file mode 100644
index 0000000000..d5d2860d48
--- /dev/null
+++ b/lib/eal/windows/include/strsep.h
@@ -0,0 +1,9 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California.  All rights reserved.
+ */
+
+#pragma once
+
+char *
+strsep(char **stringp, const char *delim);
diff --git a/lib/eal/windows/meson.build b/lib/eal/windows/meson.build
index 7756d417be..eadecd473c 100644
--- a/lib/eal/windows/meson.build
+++ b/lib/eal/windows/meson.build
@@ -19,6 +19,7 @@  sources += files(
         'eal_timer.c',
         'getopt.c',
         'rte_thread.c',
+        'strsep.c',
 )
 
 dpdk_conf.set10('RTE_EAL_NUMA_AWARE_HUGEPAGES', true)
diff --git a/lib/eal/windows/strsep.c b/lib/eal/windows/strsep.c
new file mode 100644
index 0000000000..fdc0688a07
--- /dev/null
+++ b/lib/eal/windows/strsep.c
@@ -0,0 +1,47 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California.  All rights reserved.
+ */
+
+#include <string.h>
+
+#include "strsep.h"
+
+/* Get next token from string *stringp, where tokens are possibly empty
+ * strings separated by characters from delim.
+ *
+ * Writes NULLs into the string at *stringp to end tokens.
+ * delim need not remain constant from call to call.
+ * On return, *stringp points past the last NULL written (if there might
+ * be further tokens), or is NULL (if there are definitely no more tokens).
+ *
+ * If *stringp is NULL, strsep returns NULL.
+ */
+char *
+strsep(char **stringp, const char *delim)
+{
+	char *s;
+	const char *spanp;
+	int c, sc;
+	char *tok;
+
+	s = *stringp;
+	if (s == NULL)
+		return NULL;
+	for (tok = s;;) {
+		c = *s++;
+		spanp = delim;
+		do {
+			sc = *spanp++;
+			if (sc == c) {
+				if (c == 0)
+					s = NULL;
+				else
+					s[-1] = 0;
+				*stringp = s;
+				return tok;
+			}
+		} while (sc != 0);
+	}
+	/* NOTREACHED */
+}