767ee8bad4
There are five libgphoto2 internal *.h include files inside the
source tree's `libgphoto2/` folder. Internal means they are part
of the libgphoto2 implementation, and are not part of the public
libgphoto2 API or ABI. These files have names which are so
generic that it is difficult to see from a `#include` statement
that the included file is actually part of libgphoto2:
bayer-types.h
bayer.h
exif.h
gamma.h
jpeg.h
While building, an additional file is created inside the `libgphoto2/`
folder with a name which does hint to its relationship with libgphoto2:
gphoto2-endian.h
To reduce the probability of accidental conflicts with include files
which might also be called the same very generic name, this changes
the use of these include files to a preprocessor directive like
#include "libgphoto2/bayer.h>
instead of
#include "bayer.h"
To enforce the need for the "libgphoto2/" part in the #include
preprocessor directive, this also removes the respective `-I`
arguments for the `libgphoto2` subdir (both in source tree and in
build tree) from `*_CPPFLAGS`.
This change was inspired by `libgphoto2/` and `camlibs/stv0680/`
containing very different include files both called `bayer.h`.
69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
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/* test-filesys.c
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*
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* Copyright 2001 Lutz Mueller <lutz@users.sf.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <libgphoto2/gphoto2-endian.h>
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#include <gphoto2/gphoto2-filesys.h>
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#include <gphoto2/gphoto2-result.h>
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#include <gphoto2/gphoto2-port-log.h>
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#define CHECK(r) if (!(r)) { fprintf(stderr,"%s:%d: result unexpected.\n",__FILE__,__LINE__); exit(1); }
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int
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main ()
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{
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unsigned char buf[16];
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unsigned long long u64;
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unsigned short u16;
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unsigned int u32;
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u16 = swap16(0x1234);
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CHECK(u16 == 0x3412);
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u32 = swap32(0x12345678);
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CHECK(u32 == 0x78563412);
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u64 = swap64(0x0123456789abcdefULL);
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CHECK(u64 == 0xefcdab8967452301ULL);
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u16 = htobe16(0x1234); memcpy(buf,&u16,2); CHECK((buf[0]==0x12)&&(buf[1]==0x34));
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u32 = htobe32(0x12345678); memcpy(buf,&u32,4); CHECK((buf[0]==0x12)&&(buf[1]==0x34)&&(buf[2]==0x56)&&(buf[3]==0x78));
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u64 = htobe64(0x0123456789abcdefULL); memcpy(buf,&u64,8);
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CHECK((buf[0]==0x01)&&(buf[1]==0x23)&&(buf[2]==0x45)&&(buf[3]==0x67));
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CHECK((buf[4]==0x89)&&(buf[5]==0xab)&&(buf[6]==0xcd)&&(buf[7]==0xef));
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u16 = htole16(0x1234); memcpy(buf,&u16,2); CHECK((buf[0]==0x34)&&(buf[1]==0x12));
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u32 = htole32(0x12345678); memcpy(buf,&u32,4); CHECK((buf[0]==0x78)&&(buf[1]==0x56)&&(buf[2]==0x34)&&(buf[3]==0x12));
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u64 = htole64(0x0123456789abcdefULL); memcpy(buf,&u64,8);
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CHECK((buf[7]==0x01)&&(buf[6]==0x23)&&(buf[5]==0x45)&&(buf[4]==0x67));
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CHECK((buf[3]==0x89)&&(buf[2]==0xab)&&(buf[1]==0xcd)&&(buf[0]==0xef));
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return (0);
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}
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/*
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* Local variables:
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* compile-command: "gcc -pedantic -Wstrict-prototypes -O2 -g test-filesys.c -o test-filesys `gphoto2-config --cflags --libs` && export MALLOC_TRACE=test-filesys.log && ./test-filesys && mtrace ./test-filesys test-filesys.log"
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* End:
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*/
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