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-rw-r--r--block/dmg.c2
-rw-r--r--block/qcow2-cluster.c2
-rw-r--r--block/vhdx-log.c2
-rw-r--r--block/vpc.c4
-rw-r--r--block/vvfat.c4
-rw-r--r--hw/audio/pcspk.c2
-rw-r--r--hw/char/virtio-serial-bus.c8
-rw-r--r--hw/display/vga.c2
-rw-r--r--hw/display/virtio-gpu.c4
-rw-r--r--hw/i386/multiboot.c3
-rw-r--r--hw/net/eepro100.c3
-rw-r--r--hw/pci-host/piix.c2
-rw-r--r--hw/pci-host/q35.c2
-rw-r--r--hw/pci/msix.c4
-rw-r--r--hw/timer/i8254_common.c4
-rw-r--r--hw/usb/dev-hub.c8
-rw-r--r--hw/virtio/vhost.c2
-rw-r--r--include/ui/console.h2
-rw-r--r--libdecnumber/decNumber.c2
-rw-r--r--linux-headers/asm-x86/kvm.h2
-rw-r--r--monitor.c4
-rw-r--r--target/i386/arch_dump.c40
-rw-r--r--target/ppc/mem_helper.c2
-rw-r--r--target/ppc/translate.c2
-rw-r--r--tests/test-iov.c3
-rw-r--r--ui/cursor.c2
-rw-r--r--ui/vnc-enc-tight.c2
-rw-r--r--ui/vnc.c10
28 files changed, 63 insertions, 66 deletions
diff --git a/block/dmg.c b/block/dmg.c
index 900ae5a678..6c0711f563 100644
--- a/block/dmg.c
+++ b/block/dmg.c
@@ -111,7 +111,7 @@ static void update_max_chunk_size(BDRVDMGState *s, uint32_t chunk,
uncompressed_sectors = s->sectorcounts[chunk];
break;
case 1: /* copy */
- uncompressed_sectors = (s->lengths[chunk] + 511) / 512;
+ uncompressed_sectors = DIV_ROUND_UP(s->lengths[chunk], 512);
break;
case 2: /* zero */
/* as the all-zeroes block may be large, it is treated specially: the
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 8538533102..0d4824993c 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -61,7 +61,7 @@ int qcow2_grow_l1_table(BlockDriverState *bs, uint64_t min_size,
new_l1_size = 1;
}
while (min_size > new_l1_size) {
- new_l1_size = (new_l1_size * 3 + 1) / 2;
+ new_l1_size = DIV_ROUND_UP(new_l1_size * 3, 2);
}
}
diff --git a/block/vhdx-log.c b/block/vhdx-log.c
index 14b724ef7b..0ac4863b25 100644
--- a/block/vhdx-log.c
+++ b/block/vhdx-log.c
@@ -902,7 +902,7 @@ static int vhdx_log_write(BlockDriverState *bs, BDRVVHDXState *s,
}
sector_offset = offset % VHDX_LOG_SECTOR_SIZE;
- file_offset = (offset / VHDX_LOG_SECTOR_SIZE) * VHDX_LOG_SECTOR_SIZE;
+ file_offset = QEMU_ALIGN_DOWN(offset, VHDX_LOG_SECTOR_SIZE);
aligned_length = length;
diff --git a/block/vpc.c b/block/vpc.c
index 82911ebead..1576d7b595 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -783,7 +783,7 @@ static int calculate_geometry(int64_t total_sectors, uint16_t* cyls,
} else {
*secs_per_cyl = 17;
cyls_times_heads = total_sectors / *secs_per_cyl;
- *heads = (cyls_times_heads + 1023) / 1024;
+ *heads = DIV_ROUND_UP(cyls_times_heads, 1024);
if (*heads < 4) {
*heads = 4;
@@ -836,7 +836,7 @@ static int create_dynamic_disk(BlockBackend *blk, uint8_t *buf,
offset = 3 * 512;
memset(buf, 0xFF, 512);
- for (i = 0; i < (num_bat_entries * 4 + 511) / 512; i++) {
+ for (i = 0; i < DIV_ROUND_UP(num_bat_entries * 4, 512); i++) {
ret = blk_pwrite(blk, offset, buf, 512, 0);
if (ret < 0) {
goto fail;
diff --git a/block/vvfat.c b/block/vvfat.c
index a9e207f7f0..c54fa94651 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -449,7 +449,7 @@ static direntry_t *create_long_filename(BDRVVVFATState *s, const char *filename)
return NULL;
}
- number_of_entries = (length * 2 + 25) / 26;
+ number_of_entries = DIV_ROUND_UP(length * 2, 26);
for(i=0;i<number_of_entries;i++) {
entry=array_get_next(&(s->directory));
@@ -2554,7 +2554,7 @@ static int commit_one_file(BDRVVVFATState* s,
(size > offset && c >=2 && !fat_eof(s, c)));
ret = vvfat_read(s->bs, cluster2sector(s, c),
- (uint8_t*)cluster, (rest_size + 0x1ff) / 0x200);
+ (uint8_t*)cluster, DIV_ROUND_UP(rest_size, 0x200));
if (ret < 0) {
qemu_close(fd);
diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index f643b122bb..0206f7399b 100644
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -69,7 +69,7 @@ static inline void generate_samples(PCSpkState *s)
const uint32_t n = ((uint64_t)PIT_FREQ << 32) / m;
/* multiple of wavelength for gapless looping */
- s->samples = (PCSPK_BUF_LEN * PIT_FREQ / m * m / (PIT_FREQ >> 1) + 1) >> 1;
+ s->samples = (QEMU_ALIGN_DOWN(PCSPK_BUF_LEN * PIT_FREQ, m) / (PIT_FREQ >> 1) + 1) >> 1;
for (i = 0; i < s->samples; ++i)
s->sample_buf[i] = (64 & (n * i >> 25)) - 32;
} else {
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index f5bc173844..17a1bb008a 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -663,7 +663,7 @@ static void virtio_serial_save_device(VirtIODevice *vdev, QEMUFile *f)
/* The ports map */
max_nr_ports = s->serial.max_virtserial_ports;
- for (i = 0; i < (max_nr_ports + 31) / 32; i++) {
+ for (i = 0; i < DIV_ROUND_UP(max_nr_ports, 32); i++) {
qemu_put_be32s(f, &s->ports_map[i]);
}
@@ -798,7 +798,7 @@ static int virtio_serial_load_device(VirtIODevice *vdev, QEMUFile *f,
qemu_get_be32s(f, &tmp);
max_nr_ports = s->serial.max_virtserial_ports;
- for (i = 0; i < (max_nr_ports + 31) / 32; i++) {
+ for (i = 0; i < DIV_ROUND_UP(max_nr_ports, 32); i++) {
qemu_get_be32s(f, &ports_map);
if (ports_map != s->ports_map[i]) {
@@ -863,7 +863,7 @@ static uint32_t find_free_port_id(VirtIOSerial *vser)
unsigned int i, max_nr_ports;
max_nr_ports = vser->serial.max_virtserial_ports;
- for (i = 0; i < (max_nr_ports + 31) / 32; i++) {
+ for (i = 0; i < DIV_ROUND_UP(max_nr_ports, 32); i++) {
uint32_t map, zeroes;
map = vser->ports_map[i];
@@ -1075,7 +1075,7 @@ static void virtio_serial_device_realize(DeviceState *dev, Error **errp)
vser->ovqs[i] = virtio_add_queue(vdev, 128, handle_output);
}
- vser->ports_map = g_malloc0(((vser->serial.max_virtserial_ports + 31) / 32)
+ vser->ports_map = g_malloc0((DIV_ROUND_UP(vser->serial.max_virtserial_ports, 32))
* sizeof(vser->ports_map[0]));
/*
* Reserve location 0 for a console port for backward compat
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 63421f9ee8..3433102ef3 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -1621,7 +1621,7 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
s->line_compare, sr(s, VGA_SEQ_CLOCK_MODE));
#endif
addr1 = (s->start_addr * 4);
- bwidth = (width * bits + 7) / 8;
+ bwidth = DIV_ROUND_UP(width * bits, 8);
y_start = -1;
d = surface_data(surface);
linesize = surface_stride(surface);
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 6aae147324..f0761cf18b 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -408,7 +408,7 @@ static void virtio_gpu_transfer_to_host_2d(VirtIOGPU *g,
}
format = pixman_image_get_format(res->image);
- bpp = (PIXMAN_FORMAT_BPP(format) + 7) / 8;
+ bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8);
stride = pixman_image_get_stride(res->image);
if (t2d.offset || t2d.r.x || t2d.r.y ||
@@ -570,7 +570,7 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g,
scanout = &g->scanout[ss.scanout_id];
format = pixman_image_get_format(res->image);
- bpp = (PIXMAN_FORMAT_BPP(format) + 7) / 8;
+ bpp = DIV_ROUND_UP(PIXMAN_FORMAT_BPP(format), 8);
offset = (ss.r.x * bpp) + ss.r.y * pixman_image_get_stride(res->image);
if (!scanout->ds || surface_data(scanout->ds)
!= ((uint8_t *)pixman_image_get_data(res->image) + offset) ||
diff --git a/hw/i386/multiboot.c b/hw/i386/multiboot.c
index f13e23139b..6001f4caa2 100644
--- a/hw/i386/multiboot.c
+++ b/hw/i386/multiboot.c
@@ -352,8 +352,7 @@ int load_multiboot(FWCfgState *fw_cfg,
mb_debug(" mb_mods_count = %d\n", mbs.mb_mods_count);
/* save bootinfo off the stack */
- mb_bootinfo_data = g_malloc(sizeof(bootinfo));
- memcpy(mb_bootinfo_data, bootinfo, sizeof(bootinfo));
+ mb_bootinfo_data = g_memdup(bootinfo, sizeof(bootinfo));
/* Pass variables to option rom */
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ENTRY, mh_entry_addr);
diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c
index 5a4774aab4..a7b9f77519 100644
--- a/hw/net/eepro100.c
+++ b/hw/net/eepro100.c
@@ -1904,8 +1904,7 @@ static void e100_nic_realize(PCIDevice *pci_dev, Error **errp)
qemu_register_reset(nic_reset, s);
- s->vmstate = g_malloc(sizeof(vmstate_eepro100));
- memcpy(s->vmstate, &vmstate_eepro100, sizeof(vmstate_eepro100));
+ s->vmstate = g_memdup(&vmstate_eepro100, sizeof(vmstate_eepro100));
s->vmstate->name = qemu_get_queue(s->nic)->model;
vmstate_register(&pci_dev->qdev, -1, s->vmstate, s);
}
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index 072a04e318..894e131c00 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -140,7 +140,7 @@ static void i440fx_update_memory_mappings(PCII440FXState *d)
memory_region_transaction_begin();
for (i = 0; i < 13; i++) {
pam_update(&d->pam_regions[i], i,
- pd->config[I440FX_PAM + ((i + 1) / 2)]);
+ pd->config[I440FX_PAM + (DIV_ROUND_UP(i, 2))]);
}
memory_region_set_enabled(&d->smram_region,
!(pd->config[I440FX_SMRAM] & SMRAM_D_OPEN));
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 0e472f2ed4..1ff648e80c 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -315,7 +315,7 @@ static void mch_update_pam(MCHPCIState *mch)
memory_region_transaction_begin();
for (i = 0; i < 13; i++) {
pam_update(&mch->pam_regions[i], i,
- pd->config[MCH_HOST_BRIDGE_PAM0 + ((i + 1) / 2)]);
+ pd->config[MCH_HOST_BRIDGE_PAM0 + (DIV_ROUND_UP(i, 2))]);
}
memory_region_transaction_commit();
}
diff --git a/hw/pci/msix.c b/hw/pci/msix.c
index 5078d3dd19..c944c02135 100644
--- a/hw/pci/msix.c
+++ b/hw/pci/msix.c
@@ -438,7 +438,7 @@ void msix_save(PCIDevice *dev, QEMUFile *f)
}
qemu_put_buffer(f, dev->msix_table, n * PCI_MSIX_ENTRY_SIZE);
- qemu_put_buffer(f, dev->msix_pba, (n + 7) / 8);
+ qemu_put_buffer(f, dev->msix_pba, DIV_ROUND_UP(n, 8));
}
/* Should be called after restoring the config space. */
@@ -453,7 +453,7 @@ void msix_load(PCIDevice *dev, QEMUFile *f)
msix_clear_all_vectors(dev);
qemu_get_buffer(f, dev->msix_table, n * PCI_MSIX_ENTRY_SIZE);
- qemu_get_buffer(f, dev->msix_pba, (n + 7) / 8);
+ qemu_get_buffer(f, dev->msix_pba, DIV_ROUND_UP(n, 8));
msix_update_function_masked(dev);
for (vector = 0; vector < n; vector++) {
diff --git a/hw/timer/i8254_common.c b/hw/timer/i8254_common.c
index 976d5200f1..ee064aa819 100644
--- a/hw/timer/i8254_common.c
+++ b/hw/timer/i8254_common.c
@@ -93,7 +93,7 @@ int64_t pit_get_next_transition_time(PITChannelState *s, int64_t current_time)
}
break;
case 2:
- base = (d / s->count) * s->count;
+ base = QEMU_ALIGN_DOWN(d, s->count);
if ((d - base) == 0 && d != 0) {
next_time = base + s->count;
} else {
@@ -101,7 +101,7 @@ int64_t pit_get_next_transition_time(PITChannelState *s, int64_t current_time)
}
break;
case 3:
- base = (d / s->count) * s->count;
+ base = QEMU_ALIGN_DOWN(d, s->count);
period2 = ((s->count + 1) >> 1);
if ((d - base) < period2) {
next_time = base + period2;
diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c
index e82a6a6c44..752e30c305 100644
--- a/hw/usb/dev-hub.c
+++ b/hw/usb/dev-hub.c
@@ -109,7 +109,7 @@ static const USBDescIface desc_iface_hub = {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_INT,
- .wMaxPacketSize = 1 + (NUM_PORTS + 7) / 8,
+ .wMaxPacketSize = 1 + DIV_ROUND_UP(NUM_PORTS, 8),
.bInterval = 0xff,
},
}
@@ -442,14 +442,14 @@ static void usb_hub_handle_control(USBDevice *dev, USBPacket *p,
data[2] = NUM_PORTS;
/* fill DeviceRemovable bits */
- limit = ((NUM_PORTS + 1 + 7) / 8) + 7;
+ limit = DIV_ROUND_UP(NUM_PORTS + 1, 8) + 7;
for (n = 7; n < limit; n++) {
data[n] = 0x00;
var_hub_size++;
}
/* fill PortPwrCtrlMask bits */
- limit = limit + ((NUM_PORTS + 7) / 8);
+ limit = limit + DIV_ROUND_UP(NUM_PORTS, 8);
for (;n < limit; n++) {
data[n] = 0xff;
var_hub_size++;
@@ -477,7 +477,7 @@ static void usb_hub_handle_data(USBDevice *dev, USBPacket *p)
unsigned int status;
uint8_t buf[4];
int i, n;
- n = (NUM_PORTS + 1 + 7) / 8;
+ n = DIV_ROUND_UP(NUM_PORTS + 1, 8);
if (p->iov.size == 1) { /* FreeBSD workaround */
n = 1;
} else if (n > p->iov.size) {
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 6eddb099b0..0049a2c0b3 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -70,7 +70,7 @@ static void vhost_dev_sync_region(struct vhost_dev *dev,
uint64_t end = MIN(mlast, rlast);
vhost_log_chunk_t *from = log + start / VHOST_LOG_CHUNK;
vhost_log_chunk_t *to = log + end / VHOST_LOG_CHUNK + 1;
- uint64_t addr = (start / VHOST_LOG_CHUNK) * VHOST_LOG_CHUNK;
+ uint64_t addr = QEMU_ALIGN_DOWN(start, VHOST_LOG_CHUNK);
if (end < start) {
return;
diff --git a/include/ui/console.h b/include/ui/console.h
index 7262bef6d3..8024878bae 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -328,7 +328,7 @@ static inline int surface_bits_per_pixel(DisplaySurface *s)
static inline int surface_bytes_per_pixel(DisplaySurface *s)
{
int bits = PIXMAN_FORMAT_BPP(s->format);
- return (bits + 7) / 8;
+ return DIV_ROUND_UP(bits, 8);
}
static inline pixman_format_code_t surface_format(DisplaySurface *s)
diff --git a/libdecnumber/decNumber.c b/libdecnumber/decNumber.c
index c9e7807f87..8c197023f4 100644
--- a/libdecnumber/decNumber.c
+++ b/libdecnumber/decNumber.c
@@ -4775,7 +4775,7 @@ static decNumber * decDivideOp(decNumber *res,
half=*up & 0x01;
*up/=2; /* [shift] */
if (!half) continue;
- *(up-1)+=(DECDPUNMAX+1)/2;
+ *(up-1)+=DIV_ROUND_UP(DECDPUNMAX, 2);
}
/* [accunits still describes the original remainder length] */
diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index c2824d02ba..1930b95bcb 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -153,7 +153,7 @@ struct kvm_sregs {
__u64 cr0, cr2, cr3, cr4, cr8;
__u64 efer;
__u64 apic_base;
- __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
+ __u64 interrupt_bitmap[DIV_ROUND_UP(KVM_NR_INTERRUPTS, 64)];
};
/* for KVM_GET_FPU and KVM_SET_FPU */
diff --git a/monitor.c b/monitor.c
index e0f880107f..135ec2de8f 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1349,7 +1349,7 @@ static void memory_dump(Monitor *mon, int count, int format, int wsize,
switch(format) {
case 'o':
- max_digits = (wsize * 8 + 2) / 3;
+ max_digits = DIV_ROUND_UP(wsize * 8, 3);
break;
default:
case 'x':
@@ -1357,7 +1357,7 @@ static void memory_dump(Monitor *mon, int count, int format, int wsize,
break;
case 'u':
case 'd':
- max_digits = (wsize * 8 * 10 + 32) / 33;
+ max_digits = DIV_ROUND_UP(wsize * 8 * 10, 33);
break;
case 'c':
wsize = 1;
diff --git a/target/i386/arch_dump.c b/target/i386/arch_dump.c
index fe0aa36932..e682904052 100644
--- a/target/i386/arch_dump.c
+++ b/target/i386/arch_dump.c
@@ -18,6 +18,11 @@
#include "elf.h"
#include "sysemu/memory_mapping.h"
+#define ELF_NOTE_SIZE(hdr_size, name_size, desc_size) \
+ ((DIV_ROUND_UP((hdr_size), 4) \
+ + DIV_ROUND_UP((name_size), 4) \
+ + DIV_ROUND_UP((desc_size), 4)) * 4)
+
#ifdef TARGET_X86_64
typedef struct {
target_ulong r15, r14, r13, r12, rbp, rbx, r11, r10;
@@ -77,16 +82,15 @@ static int x86_64_write_elf64_note(WriteCoreDumpFunction f,
regs.gs = env->segs[R_GS].selector;
descsz = sizeof(x86_64_elf_prstatus);
- note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
- (descsz + 3) / 4) * 4;
+ note_size = ELF_NOTE_SIZE(sizeof(Elf64_Nhdr), name_size, descsz);
note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
note->n_type = cpu_to_le32(NT_PRSTATUS);
buf = (char *)note;
- buf += ((sizeof(Elf64_Nhdr) + 3) / 4) * 4;
+ buf += ROUND_UP(sizeof(Elf64_Nhdr), 4);
memcpy(buf, name, name_size);
- buf += ((name_size + 3) / 4) * 4;
+ buf += ROUND_UP(name_size, 4);
memcpy(buf + 32, &id, 4); /* pr_pid */
buf += descsz - sizeof(x86_64_user_regs_struct)-sizeof(target_ulong);
memcpy(buf, &regs, sizeof(x86_64_user_regs_struct));
@@ -156,16 +160,15 @@ static int x86_write_elf64_note(WriteCoreDumpFunction f, CPUX86State *env,
x86_fill_elf_prstatus(&prstatus, env, id);
descsz = sizeof(x86_elf_prstatus);
- note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
- (descsz + 3) / 4) * 4;
+ note_size = ELF_NOTE_SIZE(sizeof(Elf64_Nhdr), name_size, descsz);
note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
note->n_type = cpu_to_le32(NT_PRSTATUS);
buf = (char *)note;
- buf += ((sizeof(Elf64_Nhdr) + 3) / 4) * 4;
+ buf += ROUND_UP(sizeof(Elf64_Nhdr), 4);
memcpy(buf, name, name_size);
- buf += ((name_size + 3) / 4) * 4;
+ buf += ROUND_UP(name_size, 4);
memcpy(buf, &prstatus, sizeof(prstatus));
ret = f(note, note_size, opaque);
@@ -211,16 +214,15 @@ int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
x86_fill_elf_prstatus(&prstatus, &cpu->env, cpuid);
descsz = sizeof(x86_elf_prstatus);
- note_size = ((sizeof(Elf32_Nhdr) + 3) / 4 + (name_size + 3) / 4 +
- (descsz + 3) / 4) * 4;
+ note_size = ELF_NOTE_SIZE(sizeof(Elf32_Nhdr), name_size, descsz);
note = g_malloc0(note_size);
note->n_namesz = cpu_to_le32(name_size);
note->n_descsz = cpu_to_le32(descsz);
note->n_type = cpu_to_le32(NT_PRSTATUS);
buf = (char *)note;
- buf += ((sizeof(Elf32_Nhdr) + 3) / 4) * 4;
+ buf += ROUND_UP(sizeof(Elf32_Nhdr), 4);
memcpy(buf, name, name_size);
- buf += ((name_size + 3) / 4) * 4;
+ buf += ROUND_UP(name_size, 4);
memcpy(buf, &prstatus, sizeof(prstatus));
ret = f(note, note_size, opaque);
@@ -338,8 +340,8 @@ static inline int cpu_write_qemu_note(WriteCoreDumpFunction f,
} else {
note_head_size = sizeof(Elf64_Nhdr);
}
- note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +
- (descsz + 3) / 4) * 4;
+ note_size = (DIV_ROUND_UP(note_head_size, 4) + DIV_ROUND_UP(name_size, 4) +
+ DIV_ROUND_UP(descsz, 4)) * 4;
note = g_malloc0(note_size);
if (type == 0) {
note32 = note;
@@ -353,9 +355,9 @@ static inline int cpu_write_qemu_note(WriteCoreDumpFunction f,
note64->n_type = 0;
}
buf = note;
- buf += ((note_head_size + 3) / 4) * 4;
+ buf += ROUND_UP(note_head_size, 4);
memcpy(buf, name, name_size);
- buf += ((name_size + 3) / 4) * 4;
+ buf += ROUND_UP(name_size, 4);
memcpy(buf, &state, sizeof(state));
ret = f(note, note_size, opaque);
@@ -443,10 +445,8 @@ ssize_t cpu_get_note_size(int class, int machine, int nr_cpus)
#endif
qemu_desc_size = sizeof(QEMUCPUState);
- elf_note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +
- (elf_desc_size + 3) / 4) * 4;
- qemu_note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 +
- (qemu_desc_size + 3) / 4) * 4;
+ elf_note_size = ELF_NOTE_SIZE(note_head_size, name_size, elf_desc_size);
+ qemu_note_size = ELF_NOTE_SIZE(note_head_size, name_size, qemu_desc_size);
return (elf_note_size + qemu_note_size) * nr_cpus;
}
diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c
index e6383c6bfa..a34e604db3 100644
--- a/target/ppc/mem_helper.c
+++ b/target/ppc/mem_helper.c
@@ -111,7 +111,7 @@ void helper_lswx(CPUPPCState *env, target_ulong addr, uint32_t reg,
uint32_t ra, uint32_t rb)
{
if (likely(xer_bc != 0)) {
- int num_used_regs = (xer_bc + 3) / 4;
+ int num_used_regs = DIV_ROUND_UP(xer_bc, 4);
if (unlikely((ra != 0 && lsw_reg_in_range(reg, num_used_regs, ra)) ||
lsw_reg_in_range(reg, num_used_regs, rb))) {
raise_exception_err_ra(env, POWERPC_EXCP_PROGRAM,
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 01233e8b6d..606b605ba0 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -2880,7 +2880,7 @@ static void gen_lswi(DisasContext *ctx)
}
if (nb == 0)
nb = 32;
- nr = (nb + 3) / 4;
+ nr = DIV_ROUND_UP(nb, 4);
if (unlikely(lsw_reg_in_range(start, nr, ra))) {
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
return;
diff --git a/tests/test-iov.c b/tests/test-iov.c
index a22d71fd2c..fa3d75aee1 100644
--- a/tests/test-iov.c
+++ b/tests/test-iov.c
@@ -167,8 +167,7 @@ static void test_io(void)
}
iov_from_buf(iov, niov, 0, buf, sz);
- siov = g_malloc(sizeof(*iov) * niov);
- memcpy(siov, iov, sizeof(*iov) * niov);
+ siov = g_memdup(iov, sizeof(*iov) * niov);
if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) < 0) {
perror("socketpair");
diff --git a/ui/cursor.c b/ui/cursor.c
index 5155b392e8..2e2fe13fa6 100644
--- a/ui/cursor.c
+++ b/ui/cursor.c
@@ -118,7 +118,7 @@ void cursor_put(QEMUCursor *c)
int cursor_get_mono_bpl(QEMUCursor *c)
{
- return (c->width + 7) / 8;
+ return DIV_ROUND_UP(c->width, 8);
}
void cursor_set_mono(QEMUCursor *c,
diff --git a/ui/vnc-enc-tight.c b/ui/vnc-enc-tight.c
index 89ab12c0d8..f38aceb4da 100644
--- a/ui/vnc-enc-tight.c
+++ b/ui/vnc-enc-tight.c
@@ -979,7 +979,7 @@ static int send_mono_rect(VncState *vs, int x, int y,
}
#endif
- bytes = ((w + 7) / 8) * h;
+ bytes = (DIV_ROUND_UP(w, 8)) * h;
vnc_write_u8(vs, (stream | VNC_TIGHT_EXPLICIT_FILTER) << 4);
vnc_write_u8(vs, VNC_TIGHT_FILTER_PALETTE);
diff --git a/ui/vnc.c b/ui/vnc.c
index 651cbb8606..fd43f9b983 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -2624,8 +2624,8 @@ static int vnc_refresh_lossy_rect(VncDisplay *vd, int x, int y)
int stx = x / VNC_STAT_RECT;
int has_dirty = 0;
- y = y / VNC_STAT_RECT * VNC_STAT_RECT;
- x = x / VNC_STAT_RECT * VNC_STAT_RECT;
+ y = QEMU_ALIGN_DOWN(y, VNC_STAT_RECT);
+ x = QEMU_ALIGN_DOWN(x, VNC_STAT_RECT);
QTAILQ_FOREACH(vs, &vd->clients, next) {
int j;
@@ -2714,8 +2714,8 @@ double vnc_update_freq(VncState *vs, int x, int y, int w, int h)
double total = 0;
int num = 0;
- x = (x / VNC_STAT_RECT) * VNC_STAT_RECT;
- y = (y / VNC_STAT_RECT) * VNC_STAT_RECT;
+ x = QEMU_ALIGN_DOWN(x, VNC_STAT_RECT);
+ y = QEMU_ALIGN_DOWN(y, VNC_STAT_RECT);
for (j = y; j <= y + h; j += VNC_STAT_RECT) {
for (i = x; i <= x + w; i += VNC_STAT_RECT) {
@@ -2781,7 +2781,7 @@ static int vnc_refresh_server_surface(VncDisplay *vd)
PIXMAN_FORMAT_BPP(pixman_image_get_format(vd->guest.fb));
guest_row0 = (uint8_t *)pixman_image_get_data(vd->guest.fb);
guest_stride = pixman_image_get_stride(vd->guest.fb);
- guest_ll = pixman_image_get_width(vd->guest.fb) * ((guest_bpp + 7) / 8);
+ guest_ll = pixman_image_get_width(vd->guest.fb) * (DIV_ROUND_UP(guest_bpp, 8));
}
line_bytes = MIN(server_stride, guest_ll);
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-26 22:17:22 +0000