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Fix warning, read/write have unsigned int count on windows.

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This commit is contained in:
George Zhao 2018-01-17 19:54:21 +08:00
parent 421f2605c0
commit 2408a05151
2 changed files with 9 additions and 2 deletions
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7
src/nvim/macros.h
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@ -195,4 +195,11 @@
# define UV_BUF_LEN(x) (x)
#endif
// Type of bufcnt for read/write on Windows is unsigned int, not size_t.
#if defined(WIN32)
# define IO_SIZE(x) (unsigned)(x)
#else
# define IO_SIZE(x) (x)
#endif
#endif // NVIM_MACROS_H

4
src/nvim/os/fs.c
View File

@ -461,7 +461,7 @@ ptrdiff_t os_read(const int fd, bool *ret_eof, char *const ret_buf,
while (read_bytes != size) {
assert(size >= read_bytes);
const ptrdiff_t cur_read_bytes = read(fd, ret_buf + read_bytes,
size - read_bytes);
IO_SIZE(size - read_bytes));
if (cur_read_bytes > 0) {
read_bytes += (size_t)cur_read_bytes;
}
@ -564,7 +564,7 @@ ptrdiff_t os_write(const int fd, const char *const buf, const size_t size)
while (written_bytes != size) {
assert(size >= written_bytes);
const ptrdiff_t cur_written_bytes = write(fd, buf + written_bytes,
size - written_bytes);
IO_SIZE(size - written_bytes));
if (cur_written_bytes > 0) {
written_bytes += (size_t)cur_written_bytes;
}