Implement strlcpy to avoid entire libbsd dependency on Linux.

Signed-off-by: Christoph Lohmann <20h@r-36.net>

config.mk

@@ -1,4 +1,3 @@
-
 VERSION="0.3"
 
 # paths
@@ -10,12 +9,10 @@ INCS = -I. -I/usr/include
 
 # BSD
 #LIBS = -L/usr/lib -lc
-# Linux
-LIBS = -L/usr/lib -lc -lbsd
 
 # flags
 # Linux
-CPPFLAGS = -DVERSION=\"${VERSION}\" -D_POSIX_C_SOURCE=1
+CPPFLAGS = -DVERSION=\"${VERSION}\" -D_POSIX_C_SOURCE=200809L -DNEED_STRLCPY
 # BSD
 #CPPFLAGS = -DVERSION=\"${VERSION}\"
 
@@ -24,4 +21,3 @@ LDFLAGS += -g ${LIBS}
 
 # compiler and linker
 # CC = cc
-

md2point.c

@@ -8,6 +8,30 @@
 #include <string.h>
 #include <unistd.h>
 
+#ifdef NEED_STRLCPY /* OpenBSD implementation */
+size_t
+strlcpy(char *dst, const char *src, size_t dsize) {
+	const char *osrc = src;
+	size_t nleft = dsize;
+
+	if (nleft != 0) {
+		while (--nleft != 0) {
+			if ((*dst++= *src++) == '\0')
+				break;
+		}
+	}
+
+	if (nleft == 0) {
+		if (dsize != 0)
+			*dst = '\0';
+		while (*src++)
+			;
+	}
+
+	return(src - osrc - 1);
+}
+#endif /* NEED_STRLCPY */
+
 /* from git://bitreich.org/utf8expr */
 size_t
 utf8strlen(const char *s)