# [PATCH] archive-tar: keep const in checksum calculation 1 messages from 2012-05-18 to 2012-05-18. Participants: René Scharfe. Thread: https://gitlist.dev/t/30551 ## René Scharfe, 2012-05-18 05:18 Subject: [PATCH] archive-tar: keep const in checksum calculation Message-ID: <4FB5DB93.9000904@lsrfire.ath.cx> URL: https://gitlist.dev/e/4FB5DB93.9000904%40lsrfire.ath.cx ``` For correctness, don't needlessly drop the const qualifier when casting. Signed-off-by: Rene Scharfe --- archive-tar.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/archive-tar.c b/archive-tar.c index 93387ea..dc91c6b 100644 --- a/archive-tar.c +++ b/archive-tar.c @@ -139,13 +139,13 @@ static void strbuf_append_ext_header(struct strbuf *sb, const char *keyword, static unsigned int ustar_header_chksum(const struct ustar_header *header) { - char *p = (char *)header; + const char *p = (const char *)header; unsigned int chksum = 0; while (p < header->chksum) chksum += *p++; chksum += sizeof(header->chksum) * ' '; p += sizeof(header->chksum); - while (p < (char *)header + sizeof(struct ustar_header)) + while (p < (const char *)header + sizeof(struct ustar_header)) chksum += *p++; return chksum; } -- 1.7.10.2 ```