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[pkgsrc/trunk]: pkgsrc/devel/kbuild/files Import NetBSD specific files/strtof...
details: https://anonhg.NetBSD.org/pkgsrc/rev/cfb49d387f7f
branches: trunk
changeset: 349450:cfb49d387f7f
user: kamil <kamil%pkgsrc.org@localhost>
date: Fri Jul 08 09:51:34 2016 +0000
description:
Import NetBSD specific files/strtofflags.c
diffstat:
devel/kbuild/files/strtofflags.c | 196 +++++++++++++++++++++++++++++++++++++++
1 files changed, 196 insertions(+), 0 deletions(-)
diffs (200 lines):
diff -r 6d040873db43 -r cfb49d387f7f devel/kbuild/files/strtofflags.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/devel/kbuild/files/strtofflags.c Fri Jul 08 09:51:34 2016 +0000
@@ -0,0 +1,196 @@
+/*
+ * From http://ftp.netbsd.org/pub/NetBSD/misc/alc/libc/strtofflags.c
+ */
+
+/* $NetBSD: strtofflags.c,v 1.1 2016/07/08 09:51:34 kamil Exp $ */
+
+/*-
+ * Copyright (c) 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)stat_flags.c 8.1 (Berkeley) 5/31/93
+ * $FreeBSD: src/lib/libc/gen/strtofflags.c,v 1.18.2.1 2000/06/28 01:52:24 joe Exp $
+ * $DragonFly: src/lib/libc/gen/strtofflags.c,v 1.5 2008/06/02 20:17:07 dillon Exp $
+ */
+#include <sys/cdefs.h>
+#ifndef lint
+__RCSID("$NetBSD: strtofflags.c,v 1.1 2016/07/08 09:51:34 kamil Exp $");
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static struct {
+ char *name;
+ u_long flag;
+ int invert;
+} mapping[] = {
+ /* shorter names per flag first, all prefixed by "no" */
+#ifdef SF_APPEND
+ { "nosappnd", SF_APPEND, 0 },
+ { "nosappend", SF_APPEND, 0 },
+#endif
+#ifdef SF_ARCHIVED
+ { "noarch", SF_ARCHIVED, 0 },
+ { "noarchived", SF_ARCHIVED, 0 },
+#endif
+#ifdef SF_IMMUTABLE
+ { "noschg", SF_IMMUTABLE, 0 },
+ { "noschange", SF_IMMUTABLE, 0 },
+ { "nosimmutable", SF_IMMUTABLE, 0 },
+#endif
+#ifdef SF_NOHISTORY
+ { "noshistory", SF_NOHISTORY, 1 },
+#endif
+#ifdef SF_NOUNLINK
+ { "nosunlnk", SF_NOUNLINK, 1 },
+ { "nosunlink", SF_NOUNLINK, 1 },
+#endif
+#ifdef UF_APPEND
+ { "nouappnd", UF_APPEND, 0 },
+ { "nouappend", UF_APPEND, 0 },
+#endif
+#ifdef UF_IMMUTABLE
+ { "nouchg", UF_IMMUTABLE, 0 },
+ { "nouchange", UF_IMMUTABLE, 0 },
+ { "nouimmutable", UF_IMMUTABLE, 0 },
+#endif
+#ifdef UF_NODUMP
+ { "nodump", UF_NODUMP, 1 },
+#endif
+#ifdef UF_OPAQUE
+ { "noopaque", UF_OPAQUE, 0 },
+#endif
+#ifdef UF_NOHISTORY
+ { "nouhistory", UF_NOHISTORY, 1 },
+ { "nohistory", UF_NOHISTORY, 1 },
+#endif
+#ifdef UF_NOUNLINK
+ { "nouunlnk", UF_NOUNLINK, 1 },
+ { "nouunlink", UF_NOUNLINK, 1 },
+#endif
+};
+
+#define MAXFLAGLEN 12
+#define NMAPPING __arraycount(mapping)
+
+/*
+ * fflagstostr --
+ * Convert file flags to a comma-separated string. If no flags
+ * are set, return the empty string.
+ */
+static inline char *
+fflagstostr(u_long flags)
+{
+ char *string;
+ char *sp, *dp;
+ u_long setflags;
+ int i;
+
+ string = malloc(NMAPPING * (MAXFLAGLEN + 1));
+ if (string == NULL)
+ goto out;
+
+ setflags = flags;
+ dp = string;
+ for (i = 0; i < NMAPPING; i++) {
+ if ((setflags & mapping[i].flag) == 0)
+ continue;
+
+ if (dp > string)
+ *dp++ = ',';
+
+ sp = mapping[i].name;
+ if (mapping[i].invert)
+ sp += 2;
+
+ while (*sp != '\0')
+ *dp++ = *sp++;
+
+ setflags &= ~mapping[i].flag;
+ }
+ *dp = '\0';
+
+out:
+ return string;
+}
+
+/*
+ * strtofflags --
+ * Take string of arguments and return file flags. Return 0 on
+ * success, 1 on failure. On failure, stringp is set to point
+ * to the offending token.
+ */
+static inline int
+strtofflags(char **stringp, u_long *setp, u_long *clrp)
+{
+ u_long setf, clrf;
+ char *string, *p;
+ int i;
+
+ setf = 0;
+ clrf = 0;
+
+ string = *stringp;
+
+ while ((p = strsep(&string, "\t ,")) != NULL) {
+ int p_off = 0;
+
+ *stringp = p;
+ if (*p == '\0')
+ continue;
+
+ if (strcmp(p, "no") == 0)
+ p_off = 2;
+
+ for (i = 0; i < NMAPPING; i++) {
+ if (strcmp(p, mapping[i].name + p_off) != 0)
+ continue;
+
+ if (mapping[i].invert)
+ clrf |= mapping[i].flag;
+ else
+ setf |= mapping[i].flag;
+ }
+
+ if (i == NMAPPING)
+ return 1;
+ }
+
+ if (setp != NULL)
+ *setp = setf;
+
+ if (clrp != NULL)
+ *clrp = clrf;
+
+ return 0;
+}
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