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authorMattias Andrée <maandree@operamail.com>2015-11-17 03:30:10 +0100
committerMattias Andrée <maandree@operamail.com>2015-11-17 03:30:10 +0100
commit5e57b83aae16d44318b9eed1b2cecd0591adc981 (patch)
treee1cf6290396be7c3251e95606c8a316058ce52a6 /src/string/mempmove.c
parentsplit err.c (diff)
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m + typo + split (almost all) string/*.c
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src/string/mempmove.c')
-rw-r--r--src/string/mempmove.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/string/mempmove.c b/src/string/mempmove.c
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+++ b/src/string/mempmove.c
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+/**
+ * slibc — Yet another C library
+ * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+#include <string.h>
+
+
+
+/**
+ * Copy a memory segment to another, possibly overlapping, segment.
+ *
+ * This is a slibc extension added for completeness.
+ * It is only available if GNU extensions are available.
+ *
+ * @param whither The destination memory segment.
+ * @param whence The source memory segment.
+ * @param size The number of bytes to copy.
+ * @return `whither + size` is returned.
+ */
+void* mempmove(void* whither, const void* whence, size_t size)
+{
+ return (char*)memmove(whither, whence, size) + size;
+}
+