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args.c
(17.51 KB)
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args.h
(1.11 KB)
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coder.c
(25.4 KB)
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coder.h
(2.07 KB)
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file_io.c
(35.48 KB)
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file_io.h
(5.4 KB)
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hardware.c
(5.05 KB)
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hardware.h
(1.45 KB)
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list.c
(33.21 KB)
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list.h
(575 B)
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main.c
(9.34 KB)
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main.h
(972 B)
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message.c
(35.76 KB)
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message.h
(5.4 KB)
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mytime.c
(1.9 KB)
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mytime.h
(1.39 KB)
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options.c
(7.53 KB)
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options.h
(977 B)
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private.h
(1.31 KB)
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signals.c
(4.83 KB)
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signals.h
(1.44 KB)
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suffix.c
(10.12 KB)
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suffix.h
(1.08 KB)
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util.c
(6.98 KB)
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util.h
(4.35 KB)
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xz.1
(63.49 KB)
Editing: util.h
/////////////////////////////////////////////////////////////////////////////// // /// \file util.h /// \brief Miscellaneous utility functions // // Author: Lasse Collin // // This file has been put into the public domain. // You can do whatever you want with this file. // /////////////////////////////////////////////////////////////////////////////// /// \brief Safe malloc() that never returns NULL /// /// \note xmalloc(), xrealloc(), and xstrdup() must not be used when /// there are files open for writing, that should be cleaned up /// before exiting. #define xmalloc(size) xrealloc(NULL, size) /// \brief Safe realloc() that never returns NULL extern void *xrealloc(void *ptr, size_t size) lzma_attribute((__malloc__)) lzma_attr_alloc_size(2); /// \brief Safe strdup() that never returns NULL extern char *xstrdup(const char *src) lzma_attribute((__malloc__)); /// \brief Fancy version of strtoull() /// /// \param name Name of the option to show in case of an error /// \param value String containing the number to be parsed; may /// contain suffixes "k", "M", "G", "Ki", "Mi", or "Gi" /// \param min Minimum valid value /// \param max Maximum valid value /// /// \return Parsed value that is in the range [min, max]. Does not return /// if an error occurs. /// extern uint64_t str_to_uint64(const char *name, const char *value, uint64_t min, uint64_t max); /// \brief Round an integer up to the next full MiB and convert to MiB /// /// This is used when printing memory usage and limit. extern uint64_t round_up_to_mib(uint64_t n); /// \brief Convert uint64_t to a string /// /// Convert the given value to a string with locale-specific thousand /// separators, if supported by the snprintf() implementation. The string /// is stored into an internal static buffer indicated by the slot argument. /// A pointer to the selected buffer is returned. /// /// This function exists, because non-POSIX systems don't support thousand /// separator in format strings. Solving the problem in a simple way doesn't /// work, because it breaks gettext (specifically, the xgettext tool). extern const char *uint64_to_str(uint64_t value, uint32_t slot); enum nicestr_unit { NICESTR_B, NICESTR_KIB, NICESTR_MIB, NICESTR_GIB, NICESTR_TIB, }; /// \brief Convert uint64_t to a nice human readable string /// /// This is like uint64_to_str() but uses B, KiB, MiB, GiB, or TiB suffix /// and optionally includes the exact size in parenthesis. /// /// \param value Value to be printed /// \param unit_min Smallest unit to use. This and unit_max are used /// e.g. when showing the progress indicator to force /// the unit to MiB. /// \param unit_max Biggest unit to use. assert(unit_min <= unit_max). /// \param always_also_bytes /// Show also the exact byte value in parenthesis /// if the nicely formatted string uses bigger unit /// than bytes. /// \param slot Which static buffer to use to hold the string. /// This is shared with uint64_to_str(). /// /// \return Pointer to statically allocated buffer containing the string. /// /// \note This uses double_to_str() internally so the static buffer /// in double_to_str() will be overwritten. /// extern const char *uint64_to_nicestr(uint64_t value, enum nicestr_unit unit_min, enum nicestr_unit unit_max, bool always_also_bytes, uint32_t slot); /// \brief Wrapper for snprintf() to help constructing a string in pieces /// /// A maximum of *left bytes is written starting from *pos. *pos and *left /// are updated accordingly. extern void my_snprintf(char **pos, size_t *left, const char *fmt, ...) lzma_attribute((__format__(__printf__, 3, 4))); /// \brief Check if filename is empty and print an error message extern bool is_empty_filename(const char *filename); /// \brief Test if stdin is a terminal /// /// If stdin is a terminal, an error message is printed and exit status set /// to EXIT_ERROR. extern bool is_tty_stdin(void); /// \brief Test if stdout is a terminal /// /// If stdout is a terminal, an error message is printed and exit status set /// to EXIT_ERROR. extern bool is_tty_stdout(void);
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