mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-13 10:02:38 +00:00
dba7b0ef92
Changes of interest
o unit-tests: use private TMPDIR to avoid errors from other users
o avoid strdup in mkTempFile
o always use vfork
o job.c: do not create empty shell files in jobs mode
reduce unnecessary calls to waitpid
o cond.c: fix debug output for comparison operators in conditionals
81 lines
2.5 KiB
C
Executable File
81 lines
2.5 KiB
C
Executable File
/* $NetBSD: enum.c,v 1.15 2021/02/02 17:56:31 rillig Exp $ */
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/*
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Copyright (c) 2020 Roland Illig <rillig@NetBSD.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "make.h"
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MAKE_RCSID("$NetBSD: enum.c,v 1.15 2021/02/02 17:56:31 rillig Exp $");
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/*
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* Convert a bitset into a string representation, showing the names of the
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* individual bits.
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*
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* Optionally, shortcuts for groups of bits can be added. To have an effect,
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* they need to be listed before their individual bits.
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*/
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const char *
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Enum_FlagsToString(char *buf, size_t buf_size,
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int value, const EnumToStringSpec *spec)
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{
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const char *buf_start = buf;
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const char *sep = "";
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size_t sep_len = 0;
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for (; spec->es_value != 0; spec++) {
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size_t name_len;
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if ((value & spec->es_value) != spec->es_value)
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continue;
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value &= ~spec->es_value;
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assert(buf_size >= sep_len + 1);
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memcpy(buf, sep, sep_len);
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buf += sep_len;
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buf_size -= sep_len;
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name_len = strlen(spec->es_name);
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assert(buf_size >= name_len + 1);
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memcpy(buf, spec->es_name, name_len);
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buf += name_len;
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buf_size -= name_len;
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sep = ENUM__SEP;
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sep_len = sizeof ENUM__SEP - 1;
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}
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/* If this assertion fails, the listed enum values are incomplete. */
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assert(value == 0);
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if (buf == buf_start)
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return "none";
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assert(buf_size >= 1);
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buf[0] = '\0';
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return buf_start;
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}
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