41 lines
1.4 KiB
Diff
41 lines
1.4 KiB
Diff
diff -up udftools-1.0.0b3/libudffs/extent.c.extsize udftools-1.0.0b3/libudffs/extent.c
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--- udftools-1.0.0b3/libudffs/extent.c.extsize 2012-01-26 09:45:22.217856499 +0100
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+++ udftools-1.0.0b3/libudffs/extent.c 2012-01-26 09:45:43.142855067 +0100
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@@ -50,7 +50,7 @@ cont:
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while (start_ext != NULL && start_ext->blocks < blocks)
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start_ext = next_extent(start_ext->next, type);
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- if (start_ext->start % offset)
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+ if (start_ext != NULL && start_ext->start % offset)
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{
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inc = offset - (start_ext->start % offset);
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if (start_ext->blocks - inc < blocks)
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@@ -62,7 +62,7 @@ cont:
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else
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inc = 0;
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- return start_ext->start + inc;
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+ return start_ext ? start_ext->start + inc : NULL;
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}
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struct udf_extent *prev_extent(struct udf_extent *start_ext, enum udf_space_type type)
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@@ -81,7 +81,7 @@ cont:
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while (start_ext != NULL && start_ext->blocks < blocks)
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start_ext = prev_extent(start_ext->prev, type);
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- if ((start_ext->start + start_ext->blocks) % offset)
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+ if (start_ext != NULL && (start_ext->start + start_ext->blocks) % offset)
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{
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dec = (start_ext->start + start_ext->blocks) % offset;
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if (start_ext->blocks - dec < blocks)
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@@ -93,7 +93,7 @@ cont:
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else
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dec = 0;
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- return start_ext->start + start_ext->blocks - dec - blocks;
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+ return start_ext ? start_ext->start + start_ext->blocks - dec - blocks : NULL;
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}
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struct udf_extent *find_extent(struct udf_disc *disc, uint32_t start)
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