diff options
Diffstat (limited to 'cutils.c')
| -rw-r--r-- | cutils.c | 122 |
1 files changed, 8 insertions, 114 deletions
@@ -22,11 +22,11 @@ * THE SOFTWARE. */ #include "qemu-common.h" -#include "host-utils.h" +#include "qemu/host-utils.h" #include <math.h> -#include "qemu_socket.h" -#include "iov.h" +#include "qemu/sockets.h" +#include "qemu/iov.h" void strpadcpy(char *buf, int buf_size, const char *str, char pad) { @@ -115,7 +115,7 @@ time_t mktimegm(struct tm *tm) m += 12; y--; } - t = 86400 * (d + (153 * m - 457) / 5 + 365 * y + y / 4 - y / 100 + + t = 86400ULL * (d + (153 * m - 457) / 5 + 365 * y + y / 4 - y / 100 + y / 400 - 719469); t += 3600 * tm->tm_hour + 60 * tm->tm_min + tm->tm_sec; return t; @@ -142,109 +142,6 @@ int qemu_fdatasync(int fd) #endif } -/* io vectors */ - -void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint) -{ - qiov->iov = g_malloc(alloc_hint * sizeof(struct iovec)); - qiov->niov = 0; - qiov->nalloc = alloc_hint; - qiov->size = 0; -} - -void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov) -{ - int i; - - qiov->iov = iov; - qiov->niov = niov; - qiov->nalloc = -1; - qiov->size = 0; - for (i = 0; i < niov; i++) - qiov->size += iov[i].iov_len; -} - -void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len) -{ - assert(qiov->nalloc != -1); - - if (qiov->niov == qiov->nalloc) { - qiov->nalloc = 2 * qiov->nalloc + 1; - qiov->iov = g_realloc(qiov->iov, qiov->nalloc * sizeof(struct iovec)); - } - qiov->iov[qiov->niov].iov_base = base; - qiov->iov[qiov->niov].iov_len = len; - qiov->size += len; - ++qiov->niov; -} - -/* - * Concatenates (partial) iovecs from src to the end of dst. - * It starts copying after skipping `soffset' bytes at the - * beginning of src and adds individual vectors from src to - * dst copies up to `sbytes' bytes total, or up to the end - * of src if it comes first. This way, it is okay to specify - * very large value for `sbytes' to indicate "up to the end - * of src". - * Only vector pointers are processed, not the actual data buffers. - */ -void qemu_iovec_concat(QEMUIOVector *dst, - QEMUIOVector *src, size_t soffset, size_t sbytes) -{ - int i; - size_t done; - struct iovec *siov = src->iov; - assert(dst->nalloc != -1); - assert(src->size >= soffset); - for (i = 0, done = 0; done < sbytes && i < src->niov; i++) { - if (soffset < siov[i].iov_len) { - size_t len = MIN(siov[i].iov_len - soffset, sbytes - done); - qemu_iovec_add(dst, siov[i].iov_base + soffset, len); - done += len; - soffset = 0; - } else { - soffset -= siov[i].iov_len; - } - } - /* return done; */ -} - -void qemu_iovec_destroy(QEMUIOVector *qiov) -{ - assert(qiov->nalloc != -1); - - qemu_iovec_reset(qiov); - g_free(qiov->iov); - qiov->nalloc = 0; - qiov->iov = NULL; -} - -void qemu_iovec_reset(QEMUIOVector *qiov) -{ - assert(qiov->nalloc != -1); - - qiov->niov = 0; - qiov->size = 0; -} - -size_t qemu_iovec_to_buf(QEMUIOVector *qiov, size_t offset, - void *buf, size_t bytes) -{ - return iov_to_buf(qiov->iov, qiov->niov, offset, buf, bytes); -} - -size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset, - const void *buf, size_t bytes) -{ - return iov_from_buf(qiov->iov, qiov->niov, offset, buf, bytes); -} - -size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset, - int fillc, size_t bytes) -{ - return iov_memset(qiov->iov, qiov->niov, offset, fillc, bytes); -} - /* * Checks if a buffer is all zeroes * @@ -317,12 +214,13 @@ static int64_t suffix_mul(char suffix, int64_t unit) /* * Convert string to bytes, allowing either B/b for bytes, K/k for KB, * M/m for MB, G/g for GB or T/t for TB. End pointer will be returned - * in *end, if not NULL. Return -1 on error. + * in *end, if not NULL. Return -ERANGE on overflow, Return -EINVAL on + * other error. */ int64_t strtosz_suffix_unit(const char *nptr, char **end, const char default_suffix, int64_t unit) { - int64_t retval = -1; + int64_t retval = -EINVAL; char *endptr; unsigned char c; int mul_required = 0; @@ -349,6 +247,7 @@ int64_t strtosz_suffix_unit(const char *nptr, char **end, goto fail; } if ((val * mul >= INT64_MAX) || val < 0) { + retval = -ERANGE; goto fail; } retval = val * mul; @@ -383,11 +282,6 @@ int qemu_parse_fd(const char *param) return fd; } -int qemu_parse_fdset(const char *param) -{ - return qemu_parse_fd(param); -} - /* round down to the nearest power of 2*/ int64_t pow2floor(int64_t value) { |