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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 17:39:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 17:39:29 +0000
commit8ffec2a3aba6f114784e11f89ef1d57a096ae540 (patch)
treeccebcbad06203e8241a8e7249f8e6c478a3682ea /lib/freadptr.h
parentInitial commit. (diff)
downloadcoreutils-8ffec2a3aba6f114784e11f89ef1d57a096ae540.tar.xz
coreutils-8ffec2a3aba6f114784e11f89ef1d57a096ae540.zip
Adding upstream version 8.32.upstream/8.32upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/freadptr.h')
-rw-r--r--lib/freadptr.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/freadptr.h b/lib/freadptr.h
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+/* Retrieve information about a FILE stream.
+ Copyright (C) 2007-2020 Free Software Foundation, Inc.
+
+ This program 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.
+
+ This program 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 this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <stddef.h>
+#include <stdio.h>
+
+/* Assuming the stream STREAM is open for reading:
+ Return a pointer to the input buffer of STREAM, or NULL.
+ If the returned pointer is non-NULL, *SIZEP is set to the (positive) size
+ of the input buffer.
+ If the returned pointer is NULL, you should use getc (STREAM),
+ fgetc (STREAM), or fread (..., STREAM) to access the input from STREAM.
+
+ The resulting pointer becomes invalid upon any operation on STREAM.
+
+ STREAM must not be wide-character oriented. */
+
+#if HAVE___FREADPTR /* musl libc */
+
+# include <stdio_ext.h>
+# define freadptr(stream,sizep) __freadptr (stream, sizep)
+
+#else
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+extern const char * freadptr (FILE *stream, size_t *sizep);
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif