From bef22c1887f4b984969e2e2b5082bd42a16d661a Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Thu, 11 Oct 2001 08:36:33 +0000
Subject: Add strndup, written by Stefan Soucek <ssoucek@coactive.com>
---
libc/string/Makefile | 2 +-
libc/string/string.c | 20 +++++++++++++++++++-
2 files changed, 20 insertions(+), 2 deletions(-)
(limited to 'libc')
diff --git a/libc/string/Makefile b/libc/string/Makefile
index 748a935eb..7ef900041 100644
--- a/libc/string/Makefile
+++ b/libc/string/Makefile
@@ -25,7 +25,7 @@ include $(TOPDIR)Rules.mak
MSRC=string.c
MOBJ=strlen.o strcat.o strcpy.o strchr.o strcmp.o strncat.o strncpy.o \
- strncmp.o strrchr.o strdup.o memcpy.o memccpy.o memset.o \
+ strncmp.o strrchr.o strdup.o strndup.o memcpy.o memccpy.o memset.o \
memmove.o memcmp.o memchr.o ffs.o strnlen.o strxfrm.o stpcpy.o stpncpy.o
ifeq ($(HAS_LOCALE),true)
diff --git a/libc/string/string.c b/libc/string/string.c
index 7ccc55733..94bf542e4 100644
--- a/libc/string/string.c
+++ b/libc/string/string.c
@@ -274,6 +274,25 @@ char *strdup(const char *str)
}
#endif
+/********************** Function strndup ************************************/
+#ifdef L_strndup
+char *strndup(const char *str, size_t len)
+{
+ register size_t n;
+ register char *dst;
+
+ n = strlen(str);
+ if (len < n)
+ n = len;
+ dst = (char *) malloc(n+1);
+ if (dst) {
+ memcpy(dst, str, n);
+ dst[n] = '\0';
+ }
+ return dst;
+}
+#endif
+
/********************** Function memcpy ************************************/
#ifdef L_memcpy
@@ -409,5 +428,4 @@ int ffs(int x)
}
#endif
-
/********************** THE END ********************************************/
--
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