compat: add strlcpy, strlcat, for glibc - stagit-gopher - A git gopher frontend. (mirror)
HTML git clone git://bitreich.org/stagit-gopher/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/stagit-gopher/
DIR Log
DIR Files
DIR Refs
DIR Tags
DIR README
DIR LICENSE
---
DIR commit 55556b66bc57be0d82831b9cb353b79816216316
DIR parent 543e74e64fcffd0181cb94f63a4a4029e44c7e4f
HTML Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Fri, 25 Dec 2015 17:48:46 +0100
compat: add strlcpy, strlcat, for glibc
Diffstat:
M Makefile | 11 +++++++----
M config.mk | 5 +++++
A strlcat.c | 55 +++++++++++++++++++++++++++++++
A strlcpy.c | 50 +++++++++++++++++++++++++++++++
M urmoms-index.c | 1 +
M urmoms.c | 1 +
6 files changed, 119 insertions(+), 4 deletions(-)
---
DIR diff --git a/Makefile b/Makefile
@@ -5,6 +5,9 @@ VERSION = 0.1
SRC = \
urmoms.c\
urmoms-index.c
+COMPATSRC = \
+ strlcat.c\
+ strlcpy.c
BIN = \
urmoms\
urmoms-index
@@ -15,9 +18,9 @@ DOC = \
LICENSE\
README\
TODO
-HDR =
+HDR = compat.h
-OBJ = ${SRC:.c=.o}
+OBJ = ${SRC:.c=.o} ${EXTRAOBJ}
all: $(BIN)
@@ -42,10 +45,10 @@ config.h:
@echo creating $@ from config.def.h
@cp config.def.h $@
-urmoms: urmoms.o
+urmoms: urmoms.o ${EXTRAOBJ}
${CC} -o $@ urmoms.o ${LDFLAGS}
-urmoms-index: urmoms-index.o
+urmoms-index: urmoms-index.o ${EXTRAOBJ}
${CC} -o $@ urmoms-index.o ${LDFLAGS}
clean:
DIR diff --git a/config.mk b/config.mk
@@ -26,5 +26,10 @@ LDFLAGS = ${LIBS}
# -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700 -D_BSD_SOURCE ${INCS}
#LDFLAGS = -static -s ${LIBS}
+# uncomment for compat
+CFLAGS += -DCOMPAT
+# uncomment if your libc doesn't support strlcat, strlcpy.
+EXTRAOBJ = strlcat.o strlcpy.o
+
# compiler and linker
#CC = cc
DIR diff --git a/strlcat.c b/strlcat.c
@@ -0,0 +1,55 @@
+/* $OpenBSD: strlcat.c,v 1.15 2015/03/02 21:41:08 millert Exp $ */
+
+/*
+ * Copyright (c) 1998, 2015 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 <sys/types.h>
+#include <string.h>
+
+/*
+ * Appends src to string dst of size dsize (unlike strncat, dsize is the
+ * full size of dst, not space left). At most dsize-1 characters
+ * will be copied. Always NUL terminates (unless dsize <= strlen(dst)).
+ * Returns strlen(src) + MIN(dsize, strlen(initial dst)).
+ * If retval >= dsize, truncation occurred.
+ */
+size_t
+strlcat(char *dst, const char *src, size_t dsize)
+{
+ const char *odst = dst;
+ const char *osrc = src;
+ size_t n = dsize;
+ size_t dlen;
+
+ /* Find the end of dst and adjust bytes left but don't go past end. */
+ while (n-- != 0 && *dst != '\0')
+ dst++;
+ dlen = dst - odst;
+ n = dsize - dlen;
+
+ if (n-- == 0)
+ return(dlen + strlen(src));
+ while (*src != '\0') {
+ if (n != 0) {
+ *dst++ = *src;
+ n--;
+ }
+ src++;
+ }
+ *dst = '\0';
+
+ return(dlen + (src - osrc)); /* count does not include NUL */
+}
DIR diff --git a/strlcpy.c b/strlcpy.c
@@ -0,0 +1,50 @@
+/* $OpenBSD: strlcpy.c,v 1.12 2015/01/15 03:54:12 millert Exp $ */
+
+/*
+ * Copyright (c) 1998, 2015 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 <sys/types.h>
+#include <string.h>
+
+/*
+ * Copy string src to buffer dst of size dsize. At most dsize-1
+ * chars will be copied. Always NUL terminates (unless dsize == 0).
+ * Returns strlen(src); if retval >= dsize, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t dsize)
+{
+ const char *osrc = src;
+ size_t nleft = dsize;
+
+ /* Copy as many bytes as will fit. */
+ if (nleft != 0) {
+ while (--nleft != 0) {
+ if ((*dst++ = *src++) == '\0')
+ break;
+ }
+ }
+
+ /* Not enough room in dst, add NUL and traverse rest of src. */
+ if (nleft == 0) {
+ if (dsize != 0)
+ *dst = '\0'; /* NUL-terminate dst */
+ while (*src++)
+ ;
+ }
+
+ return(src - osrc - 1); /* count does not include NUL */
+}
DIR diff --git a/urmoms-index.c b/urmoms-index.c
@@ -12,6 +12,7 @@
#include <git2.h>
+#include "compat.h"
#include "config.h"
static git_repository *repo;
DIR diff --git a/urmoms.c b/urmoms.c
@@ -12,6 +12,7 @@
#include <git2.h>
+#include "compat.h"
#include "config.h"
struct commitinfo {