commit ed6bca274113f13a9cf5fe5dff12947d3f948399
parent 1b3d71c6e6cbd4cb308d0ce5f2b5452e1df78cf6
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Fri, 21 Nov 2014 22:03:34 +0100
yacc: improve build
Diffstat:
3 files changed, 59 insertions(+), 17 deletions(-)
diff --git a/yacc/Makefile b/yacc/Makefile
@@ -1,19 +1,11 @@
-build: clean
- cc -c *.c
- cc -o yacc *.o
+OBJ = closure.o error.o lalr.o lr0.o main.o mkpar.o output.o reader.o \
+ skeleton.o symtab.o verbose.o warshall.o reallocarray.o strlcpy.o
+TARG = yacc
+LDLIBS =
-clean:
- rm -f *.o yacc
+all: $(TARG)
+
+include ../std.mk
-# $OpenBSD: Makefile,v 1.5 2010/10/17 22:54:37 schwarze Exp $
-#
-#PROG= yacc
-#SRCS= closure.c error.c lalr.c lr0.c main.c mkpar.c output.c reader.c \
-# skeleton.c symtab.c verbose.c warshall.c
-#MAN= yacc.1 yyfix.1
-#
-#beforeinstall:
-# ${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
-# ${.CURDIR}/yyfix.sh ${DESTDIR}${BINDIR}/yyfix
-#
-#.include <bsd.prog.mk>
+clean:
+ rm -f $(TARG) $(OBJ)
diff --git a/yacc/strlcpy.c b/yacc/strlcpy.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <string.h>
+#include <sys/types.h>
+
+#include "util.h"
+
+/*
+ * Copy src to string dst of size siz. At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+ char *d = dst;
+ const char *s = src;
+ size_t n = siz;
+ /* Copy as many bytes as will fit */
+ if (n != 0) {
+ while (--n != 0) {
+ if ((*d++ = *s++) == '\0')
+ break;
+ }
+ }
+ /* Not enough room in dst, add NUL and traverse rest of src */
+ if (n == 0) {
+ if (siz != 0)
+ *d = '\0'; /* NUL-terminate dst */
+ while (*s++)
+ ;
+ }
+ return(s - src - 1); /* count does not include NUL */
+}
diff --git a/yacc/util.h b/yacc/util.h
@@ -1,3 +1,5 @@
#include <sys/stat.h>
void *reallocarray(void *, size_t, size_t);
+
+size_t strlcpy(char *, const char *, size_t);