43 lines
1.5 KiB
Diff
43 lines
1.5 KiB
Diff
diff -up unzip-5.52/inflate.c.pom unzip-5.52/inflate.c
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--- unzip-5.52/inflate.c.pom 2005-02-27 07:08:46.000000000 +0100
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+++ unzip-5.52/inflate.c 2008-03-19 14:47:58.000000000 +0100
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@@ -983,6 +983,7 @@ static int inflate_dynamic(__G)
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unsigned l; /* last length */
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unsigned m; /* mask for bit lengths table */
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unsigned n; /* number of lengths to get */
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+ struct huft *tlp;
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struct huft *tl; /* literal/length code table */
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struct huft *td; /* distance code table */
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unsigned bl; /* lookup bits for tl */
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@@ -995,6 +996,7 @@ static int inflate_dynamic(__G)
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register unsigned k; /* number of bits in bit buffer */
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int retval = 0; /* error code returned: initialized to "no error" */
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+ td = tlp = tl = (struct huft *)NULL;
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/* make local bit buffer */
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Trace((stderr, "\ndynamic block"));
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@@ -1047,9 +1049,9 @@ static int inflate_dynamic(__G)
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while (i < n)
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{
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NEEDBITS(bl)
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- j = (td = tl + ((unsigned)b & m))->b;
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+ j = (tlp = tl + ((unsigned)b & m))->b;
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DUMPBITS(j)
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- j = td->v.n;
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+ j = tlp->v.n;
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if (j < 16) /* length of code in bits (0..15) */
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ll[i++] = l = j; /* save last length in l */
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else if (j == 16) /* repeat last length 3 to 6 times */
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@@ -1149,8 +1151,8 @@ static int inflate_dynamic(__G)
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cleanup_and_exit:
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/* free the decoding tables, return */
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- huft_free(tl);
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- huft_free(td);
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+ if (tl) huft_free(tl);
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+ if (td) huft_free(td);
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return retval;
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}
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