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-rw-r--r--lib/sh/dprintf.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/sh/dprintf.c b/lib/sh/dprintf.c
new file mode 100644
index 0000000..b3b5d64
--- /dev/null
+++ b/lib/sh/dprintf.c
@@ -0,0 +1,70 @@
+/* dprintf -- printf to a file descriptor */
+
+/* Copyright (C) 2008-2010 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdc.h>
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#if defined (PREFER_STDARG)
+# include <stdarg.h>
+#else
+# include <varargs.h>
+#endif
+
+#include <stdio.h>
+
+int
+#if defined (PREFER_STDARG)
+dprintf(int fd, const char *format, ...)
+#else
+dprintf(fd, format, va_alist)
+ int fd;
+ const char *format;
+ va_dcl
+#endif
+{
+ FILE *fp;
+ int fd2, rc, r2;
+ va_list args;
+
+ if ((fd2 = dup(fd)) < 0)
+ return -1;
+ fp = fdopen (fd2, "w");
+ if (fp == 0)
+ {
+ close (fd2);
+ return -1;
+ }
+
+ SH_VA_START (args, format);
+ rc = vfprintf (fp, format, args);
+ fflush (fp);
+ va_end (args);
+
+ r2 = fclose (fp); /* check here */
+
+ return rc;
+}