From: Masatake YAMATO <yamato@redhat.com>
Date: Sun, 9 May 2021 17:29:31 +0000 (+0900)
Subject: lsfd: introduce fopenf helper function
X-Git-Tag: v2.38-rc1~144^2~152
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=18878c1ff930de464c9c2a737037b55626948d51;p=thirdparty%2Futil-linux.git

lsfd: introduce fopenf helper function

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
---

diff --git a/misc-utils/lsfd.c b/misc-utils/lsfd.c
index 5a8b222bd6..3b2a668341 100644
--- a/misc-utils/lsfd.c
+++ b/misc-utils/lsfd.c
@@ -874,3 +874,17 @@ DIR *opendirf(const char *format, ...)
 
 	return opendir(path);
 }
+
+FILE *fopenf(const char *mode, const char *format, ...)
+{
+	va_list ap;
+	char path[PATH_MAX];
+
+	memset(path, 0, sizeof(path));
+
+	va_start(ap, format);
+	vsprintf(path, format, ap);
+	va_end(ap);
+
+	return fopen(path, mode);
+}
diff --git a/misc-utils/lsfd.h b/misc-utils/lsfd.h
index 88a5fbf5ce..99037c5d0f 100644
--- a/misc-utils/lsfd.h
+++ b/misc-utils/lsfd.h
@@ -46,6 +46,7 @@
 	} while (0)
 
 DIR *opendirf(const char *format, ...) __attribute__((format (printf, 1, 2)));
+FILE *fopenf(const char *mode, const char *format, ...) __attribute__((format (printf, 2, 3)));
 
 /*
  * column IDs