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| +updates: | 3.8.2-alt2 |
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Группа :: Система/Библиотеки
Пакет: libtiff
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Патч: libtiff-3.7.2-cvs-20050506-CheckDirCount.patch
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Index: libtiff/tif_dirread.c
===================================================================
RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dirread.c,v
retrieving revision 1.51
retrieving revision 1.53
diff -u -p -r1.51 -r1.53
--- libtiff/tif_dirread.c 3 Mar 2005 16:00:01 -0000 1.51
+++ libtiff/tif_dirread.c 6 May 2005 14:35:50 -0000 1.53
@@ -1,4 +1,4 @@
-/* $Id: tif_dirread.c,v 1.51 2005/03/03 16:00:01 dron Exp $ */
+/* $Id: tif_dirread.c,v 1.53 2005/05/06 14:35:50 fwarmerdam Exp $ */
/*
* Copyright (c) 1988-1997 Sam Leffler
@@ -1303,33 +1303,37 @@ TIFFFetchNormalTag(TIFF* tif, TIFFDirEnt
static int
TIFFFetchPerSampleShorts(TIFF* tif, TIFFDirEntry* dir, uint16* pl)
{- uint16 samples = tif->tif_dir.td_samplesperpixel;
- int status = 0;
+ uint16 samples = tif->tif_dir.td_samplesperpixel;
+ int status = 0;
- if (CheckDirCount(tif, dir, (uint32) samples)) {- uint16 buf[10];
- uint16* v = buf;
-
- if (samples > NITEMS(buf))
- v = (uint16*) CheckMalloc(tif, samples, sizeof(uint16),
- "to fetch per-sample values");
- if (v && TIFFFetchShortArray(tif, dir, v)) {- uint16 i;
- for (i = 1; i < samples; i++)
- if (v[i] != v[0]) {- TIFFError(tif->tif_name,
- "Cannot handle different per-sample values for field \"%s\"",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
- goto bad;
- }
- *pl = v[0];
- status = 1;
- }
- bad:
- if (v && v != buf)
- _TIFFfree(v);
- }
- return (status);
+ if (CheckDirCount(tif, dir, (uint32) samples)) {+ uint16 buf[10];
+ uint16* v = buf;
+
+ if (dir->tdir_count > NITEMS(buf))
+ v = (uint16*) CheckMalloc(tif, dir->tdir_count, sizeof(uint16),
+ "to fetch per-sample values");
+ if (v && TIFFFetchShortArray(tif, dir, v)) {+ uint16 i;
+ int check_count = dir->tdir_count;
+ if( samples < check_count )
+ check_count = samples;
+
+ for (i = 1; i < check_count; i++)
+ if (v[i] != v[0]) {+ TIFFError(tif->tif_name,
+ "Cannot handle different per-sample values for field \"%s\"",
+ _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
+ goto bad;
+ }
+ *pl = v[0];
+ status = 1;
+ }
+ bad:
+ if (v && v != buf)
+ _TIFFfree(v);
+ }
+ return (status);
}
/*
@@ -1340,33 +1344,37 @@ TIFFFetchPerSampleShorts(TIFF* tif, TIFF
static int
TIFFFetchPerSampleLongs(TIFF* tif, TIFFDirEntry* dir, uint32* pl)
{- uint16 samples = tif->tif_dir.td_samplesperpixel;
- int status = 0;
+ uint16 samples = tif->tif_dir.td_samplesperpixel;
+ int status = 0;
- if (CheckDirCount(tif, dir, (uint32) samples)) {- uint32 buf[10];
- uint32* v = buf;
-
- if (samples > NITEMS(buf))
- v = (uint32*) CheckMalloc(tif, samples, sizeof(uint32),
- "to fetch per-sample values");
- if (v && TIFFFetchLongArray(tif, dir, v)) {- uint16 i;
- for (i = 1; i < samples; i++)
- if (v[i] != v[0]) {- TIFFError(tif->tif_name,
- "Cannot handle different per-sample values for field \"%s\"",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
- goto bad;
- }
- *pl = v[0];
- status = 1;
- }
- bad:
- if (v && v != buf)
- _TIFFfree(v);
- }
- return (status);
+ if (CheckDirCount(tif, dir, (uint32) samples)) {+ uint32 buf[10];
+ uint32* v = buf;
+
+ if (dir->tdir_count > NITEMS(buf))
+ v = (uint32*) CheckMalloc(tif, dir->tdir_count, sizeof(uint32),
+ "to fetch per-sample values");
+ if (v && TIFFFetchLongArray(tif, dir, v)) {+ uint16 i;
+ int check_count = dir->tdir_count;
+
+ if( samples < check_count )
+ check_count = samples;
+ for (i = 1; i < check_count; i++)
+ if (v[i] != v[0]) {+ TIFFError(tif->tif_name,
+ "Cannot handle different per-sample values for field \"%s\"",
+ _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
+ goto bad;
+ }
+ *pl = v[0];
+ status = 1;
+ }
+ bad:
+ if (v && v != buf)
+ _TIFFfree(v);
+ }
+ return (status);
}
/*
@@ -1377,33 +1385,37 @@ TIFFFetchPerSampleLongs(TIFF* tif, TIFFD
static int
TIFFFetchPerSampleAnys(TIFF* tif, TIFFDirEntry* dir, double* pl)
{- uint16 samples = tif->tif_dir.td_samplesperpixel;
- int status = 0;
+ uint16 samples = tif->tif_dir.td_samplesperpixel;
+ int status = 0;
- if (CheckDirCount(tif, dir, (uint32) samples)) {- double buf[10];
- double* v = buf;
-
- if (samples > NITEMS(buf))
- v = (double*) CheckMalloc(tif, samples, sizeof (double),
- "to fetch per-sample values");
- if (v && TIFFFetchAnyArray(tif, dir, v)) {- uint16 i;
- for (i = 1; i < samples; i++)
- if (v[i] != v[0]) {- TIFFError(tif->tif_name,
- "Cannot handle different per-sample values for field \"%s\"",
- _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
- goto bad;
- }
- *pl = v[0];
- status = 1;
- }
- bad:
- if (v && v != buf)
- _TIFFfree(v);
- }
- return (status);
+ if (CheckDirCount(tif, dir, (uint32) samples)) {+ double buf[10];
+ double* v = buf;
+
+ if (dir->tdir_count > NITEMS(buf))
+ v = (double*) CheckMalloc(tif, dir->tdir_count, sizeof (double),
+ "to fetch per-sample values");
+ if (v && TIFFFetchAnyArray(tif, dir, v)) {+ uint16 i;
+ int check_count = dir->tdir_count;
+ if( samples < check_count )
+ check_count = samples;
+
+ for (i = 1; i < check_count; i++)
+ if (v[i] != v[0]) {+ TIFFError(tif->tif_name,
+ "Cannot handle different per-sample values for field \"%s\"",
+ _TIFFFieldWithTag(tif, dir->tdir_tag)->field_name);
+ goto bad;
+ }
+ *pl = v[0];
+ status = 1;
+ }
+ bad:
+ if (v && v != buf)
+ _TIFFfree(v);
+ }
+ return (status);
}
#undef NITEMS