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Diffstat (limited to '')
-rw-r--r-- | zutils.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/zutils.h b/zutils.h new file mode 100644 index 0000000..296f3ac --- /dev/null +++ b/zutils.h @@ -0,0 +1,53 @@ +/* Zutils - Utilities dealing with compressed files + Copyright (C) 2009, 2010 Antonio Diaz Diaz. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +const char * const Program_name = "Zutils"; +const char * const program_name = "zutils"; +const char * const program_year = "2010"; +extern const char * invocation_name; +extern const char * util_name; + +extern int verbosity; + +const char * const simple_extensions[] = { ".gz", ".lz", ".bz2", ".xz", 0 }; + +enum { bzip2_magic_size = 3 }; +enum { gzip_magic_size = 2 }; +enum { lzip_magic_size = 4 }; +enum { xz_magic_size = 5 }; +const uint8_t bzip2_magic[bzip2_magic_size] = { 'B', 'Z', 'h' }; +const uint8_t gzip_magic[ gzip_magic_size] = { '\x1F', '\x8B' }; +const uint8_t lzip_magic[ lzip_magic_size] = { 'L', 'Z', 'I', 'P' }; +const uint8_t xz_magic[ xz_magic_size] = { '\xFD', '7', 'z', 'X', 'Z' }; + + +int readblock( const int fd, uint8_t * const buf, const int size ) throw(); +int writeblock( const int fd, const uint8_t * const buf, const int size ) throw(); +bool feed_data( const int infd, const int outfd, + const uint8_t * magic_data, const int magic_size ); +bool set_data_feeder( int * const infdp, pid_t * const pidp ); + +void show_help_addr() throw(); +void show_version( const char * const Util_name = 0 ) throw(); +void show_error( const char * const msg, const int errcode = 0, + const bool help = false ) throw(); +void internal_error( const char * const msg ); + +bool test_format( const int infd, std::string & file_type, + const uint8_t ** magic_data, int * magic_sizep ); + +int wait_for_child( const pid_t pid, const char * const name ); |