--- /dev/null
+/* lt__strl.h -- size-bounded string copying and concatenation
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ Written by Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
+
+ NOTE: The canonical source of this file is maintained with the
+ GNU Libtool package. Report bugs to bug-libtool@gnu.org.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+As a special exception to the GNU Lesser General Public License,
+if you distribute this file as part of a program or library that
+is built using GNU libtool, you may include it under the same
+distribution terms that you use for the rest of that program.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA
+
+*/
+
+#if !defined(LT__STRL_H)
+#define LT__STRL_H 1
+
+#if defined(HAVE_CONFIG_H)
+# include HAVE_CONFIG_H
+#endif
+
+#include <string.h>
+#include "lt_system.h"
+
+#if !defined(HAVE_STRLCAT)
+# define strlcat(dst,src,dstsize) lt_strlcat(dst,src,dstsize)
+LT_SCOPE size_t lt_strlcat(char *dst, const char *src, const size_t dstsize);
+#endif /* !defined(HAVE_STRLCAT) */
+
+#if !defined(HAVE_STRLCPY)
+# define strlcpy(dst,src,dstsize) lt_strlcpy(dst,src,dstsize)
+LT_SCOPE size_t lt_strlcpy(char *dst, const char *src, const size_t dstsize);
+#endif /* !defined(HAVE_STRLCPY) */
+
+#endif /*!defined(LT__STRL_H)*/
--- /dev/null
+/* lt__strl.c -- size-bounded string copying and concatenation
+ Copyright (C) 2004 Free Software Foundation, Inc.
+ Written by Bob Friesenhahn <bfriesen@simple.dallas.tx.us>
+
+ NOTE: The canonical source of this file is maintained with the
+ GNU Libtool package. Report bugs to bug-libtool@gnu.org.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+As a special exception to the GNU Lesser General Public License,
+if you distribute this file as part of a program or library that
+is built using GNU libtool, you may include it under the same
+distribution terms that you use for the rest of that program.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA
+
+*/
+
+#include <assert.h>
+#include <string.h>
+
+#include "lt__strl.h"
+
+/*
+ lt_strlcat appends the NULL-terminated string src to the end of dst.
+ It will append at most dstsize - strlen(dst) - 1 bytes,
+ NULL-terminating the result. The total length of the string which
+ would have been created given sufficient buffer size (may be longer
+ than dstsize) is returned. This function substitutes for strlcat()
+ which is available under NetBSD, FreeBSD and Solaris 9.
+
+ Buffer overflow can be checked as follows:
+
+ if (lt_strlcat(dst, src, dstsize) >= dstsize)
+ return -1;
+*/
+#if !defined(HAVE_STRLCAT)
+size_t
+lt_strlcat(char *dst, const char *src, const size_t dstsize)
+{
+ size_t length;
+ char *p;
+ const char *q;
+
+ assert(dst != NULL);
+ assert(src != (const char *) NULL);
+ assert(dstsize >= 1);
+
+ length=strlen(dst);
+
+ /*
+ Copy remaining characters from src while constraining length to
+ size - 1.
+ */
+ for ( p = dst + length, q = src;
+ (*q != 0) && (length < dstsize - 1) ;
+ length++, p++, q++ )
+ *p = *q;
+
+ dst[length]='\0';
+
+ /*
+ Add remaining length of src to length.
+ */
+ while (*q++)
+ length++;
+
+ return length;
+}
+#endif /* !defined(HAVE_STRLCAT) */
+
+/*
+ lt_strlcpy copies up to dstsize - 1 characters from the NULL-terminated
+ string src to dst, NULL-terminating the result. The total length of
+ the string which would have been created given sufficient buffer
+ size (may be longer than dstsize) is returned. This function
+ substitutes for strlcpy() which is available under OpenBSD, FreeBSD
+ and Solaris 9.
+
+ Buffer overflow can be checked as follows:
+
+ if (lt_strlcpy(dst, src, dstsize) >= dstsize)
+ return -1;
+*/
+#if !defined(HAVE_STRLCPY)
+size_t
+lt_strlcpy(char *dst, const char *src, const size_t dstsize)
+{
+ size_t length=0;
+ char *p;
+ const char *q;
+
+ assert(dst != NULL);
+ assert(src != (const char *) NULL);
+ assert(dstsize >= 1);
+
+ /*
+ Copy src to dst within bounds of size-1.
+ */
+ for ( p=dst, q=src, length=0 ;
+ (*q != 0) && (length < dstsize-1) ;
+ length++, p++, q++ )
+ *p = *q;
+
+ dst[length]='\0';
+
+ /*
+ Add remaining length of src to length.
+ */
+ while (*q++)
+ length++;
+
+ return length;
+}
+#endif /* !defined(HAVE_STRLCPY) */
projects / thirdparty / libtool.git / commitdiff
