5d4c544beb
git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@3192 67ed7778-7388-44ab-90cf-0a291f65f57c
166 lines
3.1 KiB
C
166 lines
3.1 KiB
C
/****************************************************************************
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*
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* File: util.c
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*
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* Utility functions for the gphoto2 camlibs/canon driver.
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*
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* $Id$
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****************************************************************************/
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/****************************************************************************
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*
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* include files
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*
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****************************************************************************/
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#include <stdio.h>
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#include <stdarg.h>
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#include <time.h>
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#include <string.h>
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#include <gphoto2.h>
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#include <gphoto2-port-log.h>
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#include "canon.h"
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#include "util.h"
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#include "library.h"
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/**
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* intatpos:
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* @block: byte block we are to write the integer into
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* @pos: position in byte block where we are to write to
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* @integer: the int number we are to write into the block
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*
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* Utility function used by canon_usb_dialogue
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* FIXME: What about endianness?
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**/
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void
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intatpos (unsigned char *block, int pos, int integer)
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{
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*(unsigned *) (block + pos) = integer;
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}
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unsigned int
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get_int (const unsigned char *p)
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{
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return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
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}
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/**
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* is_thumbnail:
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* @name: name of file to examine
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* Test whether the given @name corresponds to a thumbnail (.THM).
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**/
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int
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is_thumbnail (const char *name)
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{
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const char *pos;
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int res = 0;
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pos = strchr (name, '.');
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if (pos)
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res = (!strcmp (pos, ".THM"));
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GP_DEBUG ("is_thumbnail(%s) == %i", name, res);
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return (res);
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}
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/**
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* is_image:
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* @name: name of file to examine
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*
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* Test whether the given @name corresponds to an image (.JPG or .CRW).
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**/
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int
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is_image (const char *name)
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{
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const char *pos;
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int res = 0;
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pos = strchr (name, '.');
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if (pos) {
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res = (!strcmp (pos, ".JPG"));
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if (!res)
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res = (!strcmp (pos, ".CRW"));
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}
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GP_DEBUG ("is_image(%s) == %i", name, res);
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return (res);
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}
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/**
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* is_jpeg:
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* @name: name of file to examine
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*
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* Test whether the given @name corresponds to a JPEG image (.JPG).
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**/
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int
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is_jpeg (const char *name)
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{
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const char *pos;
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int res = 0;
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pos = strchr (name, '.');
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if (pos)
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res = (!strcmp (pos, ".JPG"));
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GP_DEBUG ("is_jpeg(%s) == %i", name, res);
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return (res);
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}
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/**
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* is_crw:
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* @name: name of file to examine
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*
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* Test whether the name given corresponds to a raw CRW image (.CRW).
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**/
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int
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is_crw (const char *name)
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{
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const char *pos;
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int res = 0;
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pos = strchr (name, '.');
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if (pos)
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res = (!strcmp (pos, ".CRW"));
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GP_DEBUG ("is_crw(%s) == %i", name, res);
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return (res);
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}
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/*
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* Test whether the name given corresponds
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* to a movie (.AVI)
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*/
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int
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is_movie (const char *name)
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{
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const char *pos;
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int res = 0;
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pos = strchr (name, '.');
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if (pos)
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res = (!strcmp (pos, ".AVI"));
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gp_debug_printf (GP_DEBUG_LOW, "canon", "is_movie(%s) == %i", name, res);
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return (res);
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}
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int
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comp_dir (const void *a, const void *b)
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{
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gp_debug_printf (GP_DEBUG_LOW, "canon", "comp_dir()");
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return strcmp (((const struct canon_dir *) a)->name,
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((const struct canon_dir *) b)->name);
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}
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/****************************************************************************
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*
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* End of file: util.c
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*
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****************************************************************************/
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