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util: Fix signed/unsigned comparisons by casting

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One case needs a variable declared, so it can be compared to -1 and
then cast to size_t for comparison.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Mon Jul  1 08:00:29 UTC 2019 on sn-devel-184
This commit is contained in:
Martin Schwenke 2019-06-21 15:11:49 +10:00 committed by Andreas Schneider
parent 115353a001
commit 043334f2eb
5 changed files with 10 additions and 8 deletions
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4
lib/util/msghdr.c
View File

@ -223,7 +223,7 @@ ssize_t msghdr_copy(struct msghdr_buf *msg, size_t msgsize,
return -1;
}
if (bufsize >= fd_len) {
if (bufsize >= (size_t)fd_len) {
bufsize -= fd_len;
} else {
bufsize = 0;
@ -256,7 +256,7 @@ ssize_t msghdr_copy(struct msghdr_buf *msg, size_t msgsize,
}
needed = offsetof(struct msghdr_buf, buf) + fd_len;
if (needed < fd_len) {
if (needed < (size_t)fd_len) {
return -1;
}
needed += iov_len;

2
lib/util/pidfile.c
View File

@ -82,7 +82,7 @@ int pidfile_path_create(const char *path, int *outfd)
ret = errno;
goto fail_unlink;
}
if (len >= sizeof(tmp)) {
if ((size_t)len >= sizeof(tmp)) {
ret = ENOSPC;
goto fail_unlink;
}

4
lib/util/sys_rw_data.c
View File

@ -60,7 +60,7 @@ ssize_t write_data_iov(int fd, const struct iovec *orig_iov, int iovcnt)
memcpy(iov_copy, orig_iov, sizeof(struct iovec) * iovcnt);
iov = iov_copy;
while (sent < to_send) {
while (sent < (size_t)to_send) {
bool ok;
ok = iov_advance(&iov, &iovcnt, thistime);
@ -104,7 +104,7 @@ ssize_t read_data(int fd, void *buffer, size_t n)
nread = 0;
while (nread < n) {
while ((size_t)nread < n) {
ssize_t ret;
ret = sys_read(fd, ((char *)buffer) + nread, n - nread);
if (ret <= 0) {

2
lib/util/talloc_report.c
View File

@ -49,7 +49,7 @@ static char *talloc_vasprintf_append_largebuf(char *buf, ssize_t *pstr_len,
}
buflen = talloc_get_size(buf);
if (buflen > str_len) {
if (buflen > (size_t)str_len) {
start = buf + str_len;
space = buflen - str_len;
} else {

6
lib/util/util_file.c
View File

@ -74,7 +74,7 @@ _PUBLIC_ char *afdgets(int fd, TALLOC_CTX *mem_ctx, size_t hint)
offset += ret;
} while (ret == hint);
} while ((size_t)ret == hint);
data[offset] = '\0';
@ -327,12 +327,14 @@ _PUBLIC_ char **fd_lines_load(int fd, int *numlines, size_t maxsize, TALLOC_CTX
_PUBLIC_ bool file_save_mode(const char *fname, const void *packet,
size_t length, mode_t mode)
{
ssize_t num_written;
int fd;
fd = open(fname, O_WRONLY|O_CREAT|O_TRUNC, mode);
if (fd == -1) {
return false;
}
if (write(fd, packet, length) != (size_t)length) {
num_written = write(fd, packet, length);
if (num_written == -1 || (size_t)num_written != length) {
close(fd);
return false;
}