archive-tar: keep const in checksum calculation
For correctness, don't needlessly drop the const qualifier when casting. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
René Scharfe committed
May 18, 2012 at 07:18 UTC
bf38245be8f481ac1c08a98951b7fd00bbfc15ea
1 file changed
+2
-2
archive-tar.c
+2
-2
@@ -101,13 +101,13 @@ static void strbuf_append_ext_header(struct strbuf *sb, const char *keyword,
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static unsigned int ustar_header_chksum(const struct ustar_header *header)
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{
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- char *p = (char *)header;
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+ const char *p = (const char *)header;
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unsigned int chksum = 0;
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while (p < header->chksum)
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chksum += *p++;
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chksum += sizeof(header->chksum) * ' ';
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p += sizeof(header->chksum);
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- while (p < (char *)header + sizeof(struct ustar_header))
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+ while (p < (const char *)header + sizeof(struct ustar_header))
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chksum += *p++;
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return chksum;
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}