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* duff - Duplicate file finder
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* Copyright (c) 2005 Camilla Berglund <elmindreda@elmindreda.org>
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source
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/* Shorthand macro for gettext.
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#define _(String) gettext(String)
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/* Only use __attribute__ on GCC and compatible compilers */
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#define __attribute__(x)
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/* The number of bytes to use as read buffer when reading files.
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* NOTE: This must be at least 1 and should likely be multiples of 4096.
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#define BUFFER_SIZE 8192
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/* The number of bytes to sample from the beginning of potential duplicates.
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* NOTE: This must be at least 1 but likely not larger than 4096.
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#define SAMPLE_SIZE 4096
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/* The number of bits of file size to use as bucket index.
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* NOTE: This must be at least 1.
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/* Typedefs for structs and enums.
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typedef enum Status Status;
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typedef enum SymlinkMode SymlinkMode;
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typedef enum Function Function;
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typedef struct File File;
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typedef struct FileList FileList;
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/* Status modes for files.
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/* The file has been stat:d but its data has not been touched.
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/* The beginning of the file has been hashed.
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/* The entire file has been hashed.
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/* An error ocurred when reading from the file.
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/* The file has been reported as a duplicate.
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/* Symlink dereferencing modes.
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/* Do not dereference any directory symlinks.
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/* Dereference all directory symlinks encountered.
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/* Dereference only those directory symlinks listed on the command line.
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/* Represents a collected file and potential duplicate.
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/* Represents a list of files.
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/* Message digest functions.
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/* These are defined and documented in dufffile.c */
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void init_file(File* file, const char* path, const struct stat* sb);
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void free_file(File* file);
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int compare_files(File* first, File* second);
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void generate_file_digest(File* file);
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/* These are defined and documented in duffutil.c */
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void init_file_list(FileList* list);
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File* alloc_file(FileList* list);
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void empty_file_list(FileList* list);
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void free_file_list(FileList* list);
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char* read_path(FILE* stream);
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void kill_trailing_slashes(char* path);
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size_t get_field_terminator(void);
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void set_digest_function(Function function);
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size_t get_digest_size(void);
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void digest_init(void);
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void digest_update(const void* data, size_t size);
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void digest_finish(uint8_t* digest);
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void error(const char* format, ...) __attribute__((format(printf, 1, 2))) __attribute__((noreturn));
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void warning(const char* format, ...) __attribute__((format(printf, 1, 2)));
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int cluster_header_uses_digest(const char* format);
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void print_cluster_header(const char* format,
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const uint8_t* digest);
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/* These are defined and documented in duffdriver.c */
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void process_args(int argc, char** argv);
added
removed
src/duff.h
