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Queisce sign errors by using unsigned char * and casting MAP_FAILED as unsigned

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char *

Reviewed by:	brooks@
This commit is contained in:
Sean Bruno 2013-10-29 20:38:00 +00:00
parent b01ec0d4e7
commit 450f41e187
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=257363
1 changed files with 7 additions and 6 deletions
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13
usr.bin/xinstall/xinstall.c
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@ -1002,7 +1002,7 @@ compare(int from_fd, const char *from_name __unused, size_t from_len,
int to_fd, const char *to_name __unused, size_t to_len,
char **dresp)
{
char *p, *q;
unsigned char *p, *q;
int rv;
int done_compare;
DIGEST_CTX ctx;
@ -1018,11 +1018,11 @@ compare(int from_fd, const char *from_name __unused, size_t from_len,
if (trymmap(from_fd) && trymmap(to_fd)) {
p = mmap(NULL, from_len, PROT_READ, MAP_SHARED,
from_fd, (off_t)0);
if (p == (char *)MAP_FAILED)
if (p == (unsigned char *)MAP_FAILED)
goto out;
q = mmap(NULL, from_len, PROT_READ, MAP_SHARED,
to_fd, (off_t)0);
if (q == (char *)MAP_FAILED) {
if (q == (unsigned char *)MAP_FAILED) {
munmap(p, from_len);
goto out;
}
@ -1036,7 +1036,7 @@ compare(int from_fd, const char *from_name __unused, size_t from_len,
}
out:
if (!done_compare) {
char buf1[MAXBSIZE];
unsigned char buf1[MAXBSIZE];
char buf2[MAXBSIZE];
int n1, n2;
@ -1146,7 +1146,8 @@ copy(int from_fd, const char *from_name, int to_fd, const char *to_name,
{
int nr, nw;
int serrno;
char *p, buf[MAXBSIZE];
unsigned char *p;
unsigned char buf[MAXBSIZE];
int done_copy;
DIGEST_CTX ctx;
@ -1166,7 +1167,7 @@ copy(int from_fd, const char *from_name, int to_fd, const char *to_name,
done_copy = 0;
if (size <= 8 * 1048576 && trymmap(from_fd) &&
(p = mmap(NULL, (size_t)size, PROT_READ, MAP_SHARED,
from_fd, (off_t)0)) != (char *)MAP_FAILED) {
from_fd, (off_t)0)) != (unsigned char *)MAP_FAILED) {
nw = write(to_fd, p, size);
if (nw != size) {
serrno = errno;