Stephen Seo
bb574d2a2c
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66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
// ISC License
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//
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// Copyright (c) 2024 Stephen Seo
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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//
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// `helpers.h` is the header for helpful/utility functions.
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#ifndef SEODISPARATE_COM_SIMPLE_ARCHIVER_HELPERS_H_
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#define SEODISPARATE_COM_SIMPLE_ARCHIVER_HELPERS_H_
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// Standard library includes.
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#include <stdint.h>
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#include <stdio.h>
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static const uint32_t MAX_SYMBOLIC_LINK_SIZE = 512;
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/// Returns non-zero if this system is big-endian.
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int simple_archiver_helper_is_big_endian(void);
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/// Swaps value from/to big-endian. Nop on big-endian systems.
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void simple_archiver_helper_16_bit_be(uint16_t *value);
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/// Swaps value from/to big-endian. Nop on big-endian systems.
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void simple_archiver_helper_32_bit_be(uint32_t *value);
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/// Swaps value from/to big-endian. Nop on big-endian systems.
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void simple_archiver_helper_64_bit_be(uint64_t *value);
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/// Returns a array of c-strings on success, NULL on error.
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/// The returned array must be free'd with
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/// simple_archiver_helper_cmd_string_argv_free(...).
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char **simple_archiver_helper_cmd_string_to_argv(const char *cmd);
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void simple_archiver_helper_cmd_string_argv_free(char **argv_strs);
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void simple_archiver_helper_cmd_string_argv_free_ptr(char ***argv_strs);
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/// Returns zero on success.
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int simple_archiver_helper_make_dirs(const char *file_path);
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/// Returns non-NULL on success.
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/// Must be free'd with "free()" if non-NULL.
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/// start_idx is inclusive and end_idx is exclusive.
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char *simple_archiver_helper_cut_substr(const char *s, size_t start_idx,
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size_t end_idx);
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size_t simple_archiver_helper_num_digits(size_t value);
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void simple_archiver_helper_cleanup_FILE(FILE **fd);
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void simple_archiver_helper_cleanup_malloced(void **data);
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void simple_archiver_helper_cleanup_c_string(char **str);
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void simple_archiver_helper_cleanup_chdir_back(char **original);
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void simple_archiver_helper_datastructure_cleanup_nop(void *unused);
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#endif
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