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https://github.com/zeldaret/oot.git
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73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
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/* SPDX-FileCopyrightText: Copyright (C) 2024 ZeldaRET */
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/* SPDX-License-Identifier: CC0-1.0 */
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#ifndef UTIL_H_
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#define UTIL_H_
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#include <stdbool.h>
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#include <stddef.h>
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#include <string.h>
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// Endian
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#if defined(__linux__) || defined(__CYGWIN__)
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#include <endian.h>
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#elif defined(__APPLE__)
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#include <libkern/OSByteOrder.h>
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#define htobe16(x) OSSwapHostToBigInt16(x)
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#define htole16(x) OSSwapHostToLittleInt16(x)
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#define be16toh(x) OSSwapBigToHostInt16(x)
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#define le16toh(x) OSSwapLittleToHostInt16(x)
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#define htobe32(x) OSSwapHostToBigInt32(x)
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#define htole32(x) OSSwapHostToLittleInt32(x)
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#define be32toh(x) OSSwapBigToHostInt32(x)
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#define le32toh(x) OSSwapLittleToHostInt32(x)
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#define htobe64(x) OSSwapHostToBigInt64(x)
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#define htole64(x) OSSwapHostToLittleInt64(x)
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#define be64toh(x) OSSwapBigToHostInt64(x)
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#define le64toh(x) OSSwapLittleToHostInt64(x)
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#else
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#error "Endian conversion unsupported, add it"
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#endif
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// Attribute macros
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#define ALWAYS_INLINE inline __attribute__((always_inline))
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#define NORETURN __attribute__((noreturn))
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#define UNUSED __attribute__((unused))
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// Helper macros
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#define strequ(s1, s2) ((__builtin_constant_p(s2) ? strncmp(s1, s2, sizeof(s2) - 1) : strcmp(s1, s2)) == 0)
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#define str_endswith(str, len, endswith) \
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((len) > (sizeof(endswith) - 1) && strequ(&(str)[(len) - sizeof(endswith) + 1], (endswith)))
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#define LL_FOREACH(type, x, base) for (type(x) = (base); (x) != NULL; (x) = (x)->next)
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#define ARRAY_COUNT(arr) (sizeof(arr) / sizeof((arr)[0]))
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#define ALIGN16(x) (((x) + 0xF) & ~0xF)
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#define BOOL_STR(b) ((b) ? "true" : "false")
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// util.c functions
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__attribute__((format(printf, 1, 2))) NORETURN void
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error(const char *fmt, ...);
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__attribute__((format(printf, 1, 2))) void
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warning(const char *fmt, ...);
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void *
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util_read_whole_file(const char *filename, size_t *size_out);
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void
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util_write_whole_file(const char *filename, const void *data, size_t size);
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bool
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str_is_c_identifier(const char *str);
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#endif
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