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Code Issues Releases Wiki Activity

refactor: NULL => nullptr

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This commit is contained in:
Steffen Vogel 2019-04-08 10:42:45 +02:00
parent 1cb5a38972
commit 2d7af5e743
10 changed files with 34 additions and 34 deletions
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6
common/lib/advio.cpp
View file

@ -213,11 +213,11 @@ AFILE * afopen(const char *uri, const char *mode)
}
else { /* Open local file by prepending file:// schema. */
if (strlen(uri) <= 1)
return NULL;
return nullptr;
/* Handle relative paths */
if (uri[0] != '/') {
cwd = getcwd(NULL, 0);
cwd = getcwd(nullptr, 0);
af->uri = strf("file://%s/%s", cwd, uri);
@ -266,7 +266,7 @@ out1: fclose(af->file);
out2: free(af->uri);
free(af);
return NULL;
return nullptr;
}
int afclose(AFILE *af)

2
common/lib/buffer.cpp
View file

@ -72,7 +72,7 @@ int buffer_append(struct buffer *b, const char *data, size_t len)
int buffer_parse_json(struct buffer *b, json_t **j)
{
*j = json_loadb(b->buf, b->len, 0, NULL);
*j = json_loadb(b->buf, b->len, 0, nullptr);
if (!*j)
return -1;

2
common/lib/common.cpp
View file

@ -65,6 +65,6 @@ const char * state_print(enum state s)
break;
default:
return NULL;
return nullptr;
}
}

16
common/lib/kernel/kernel.cpp
View file

@ -64,7 +64,7 @@ int kernel_get_cacheline_size()
#elif defined(__MACH__)
/* Open the command for reading. */
FILE *fp = popen("sysctl -n machdep.cpu.cache.linesize", "r");
if (fp == NULL)
if (fp == nullptr)
return -1;
int ret, size;
@ -92,7 +92,7 @@ int kernel_get_page_size()
int kernel_get_hugepage_size()
{
#ifdef __linux__
char *key, *value, *unit, *line = NULL, *lasts;
char *key, *value, *unit, *line = nullptr, *lasts;
int sz = -1;
size_t len = 0;
FILE *f;
@ -103,11 +103,11 @@ int kernel_get_hugepage_size()
while (getline(&line, &len, f) != -1) {
key = strtok_r(line, ": ", &lasts);
value = strtok_r(NULL, " ", &lasts);
unit = strtok_r(NULL, "\n", &lasts);
value = strtok_r(nullptr, " ", &lasts);
unit = strtok_r(nullptr, "\n", &lasts);
if (!strcmp(key, "Hugepagesize") && !strcmp(unit, "kB")) {
sz = strtoul(value, NULL, 10) * 1024;
sz = strtoul(value, nullptr, 10) * 1024;
break;
}
}
@ -174,7 +174,7 @@ int kernel_module_loaded(const char *module)
{
FILE *f;
int ret = -1;
char *line = NULL;
char *line = nullptr;
size_t len = 0;
f = fopen(PROCFS_PATH "/modules", "r");
@ -222,7 +222,7 @@ int kernel_get_cmdline_param(const char *param, char *buf, size_t len)
return 0; /* found */
}
}
} while ((tok = strtok_r(NULL, " \t", &lasts)));
} while ((tok = strtok_r(nullptr, " \t", &lasts)));
out:
fclose(f);
@ -285,7 +285,7 @@ int kernel_irq_setaffinity(unsigned irq, uintmax_t aff, uintmax_t *old)
int kernel_get_cpu_frequency(uint64_t *freq)
{
char *line = NULL, *sep, *end;
char *line = nullptr, *sep, *end;
size_t len = 0;
double dfreq;
int ret;

10
common/lib/kernel/pci.cpp
View file

@ -44,7 +44,7 @@ int pci_init(struct pci *p)
snprintf(path, sizeof(path), "%s/bus/pci/devices", SYSFS_PATH);
dp = opendir(path);
if (dp == NULL) {
if (dp == nullptr) {
serror("Failed to detect PCI devices");
return -1;
}
@ -92,7 +92,7 @@ int pci_init(struct pci *p)
int pci_destroy(struct pci *p)
{
vlist_destroy(&p->devices, NULL, true);
vlist_destroy(&p->devices, nullptr, true);
return 0;
}
@ -258,7 +258,7 @@ size_t pci_get_regions(const struct pci_device *d, struct pci_region** regions)
FILE* f;
char sysfs[1024];
assert(regions != NULL);
assert(regions != nullptr);
snprintf(sysfs, sizeof(sysfs), "%s/bus/pci/devices/%04x:%02x:%02x.%x/resource",
SYSFS_PATH, d->slot.domain, d->slot.bus, d->slot.device, d->slot.function);
@ -272,7 +272,7 @@ size_t pci_get_regions(const struct pci_device *d, struct pci_region** regions)
size_t valid_regions = 0;
ssize_t bytesRead;
char* line = NULL;
char* line = nullptr;
size_t len = 0;
int region = 0;
@ -295,7 +295,7 @@ size_t pci_get_regions(const struct pci_device *d, struct pci_region** regions)
free(line);
/* Required for getline() to allocate a new buffer on the next iteration. */
line = NULL;
line = nullptr;
len = 0;
if (tokens[0] != tokens[1]) {

8
common/lib/kernel/vfio_legacy.cpp
View file

@ -241,7 +241,7 @@ int vfio_pci_attach(struct vfio_device *d, struct vfio_container *c, struct pci_
int vfio_device_attach(struct vfio_device *d, struct vfio_container *c, const char *name, int index)
{
int ret;
struct vfio_group *g = NULL;
struct vfio_group *g = nullptr;
/* Check if group already exists */
for (size_t i = 0; i < vlist_length(&c->groups); i++) {
@ -375,7 +375,7 @@ int vfio_pci_msi_find(struct vfio_device *d, int nos[32])
/* Find last column of line */
do {
last = col;
} while ((col = strtok_r(NULL, " ", &lasts)));
} while ((col = strtok_r(nullptr, " ", &lasts)));
ret = sscanf(last, "vfio-msi[%u](%12[0-9:])", &idx, name);
@ -547,7 +547,7 @@ void * vfio_map_region(struct vfio_device *d, int idx)
if (!(r->flags & VFIO_REGION_INFO_FLAG_MMAP))
return MAP_FAILED;
d->mappings[idx] = mmap(NULL, r->size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_32BIT, d->fd, r->offset);
d->mappings[idx] = mmap(nullptr, r->size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_32BIT, d->fd, r->offset);
return d->mappings[idx];
}
@ -566,7 +566,7 @@ int vfio_unmap_region(struct vfio_device *d, int idx)
if (ret)
return -2;
d->mappings[idx] = NULL;
d->mappings[idx] = nullptr;
return 0;
}

8
common/lib/list.cpp
View file

@ -57,11 +57,11 @@ int vlist_init(struct vlist *l)
{
assert(l->state == STATE_DESTROYED);
pthread_mutex_init(&l->lock, NULL);
pthread_mutex_init(&l->lock, nullptr);
l->length = 0;
l->capacity = 0;
l->array = NULL;
l->array = nullptr;
l->state = STATE_INITIALIZED;
return 0;
@ -86,7 +86,7 @@ int vlist_destroy(struct vlist *l, dtor_cb_t destructor, bool release)
l->length = -1;
l->capacity = 0;
l->array = NULL;
l->array = nullptr;
l->state = STATE_DESTROYED;
pthread_mutex_unlock(&l->lock);
@ -238,7 +238,7 @@ void * vlist_search(struct vlist *l, cmp_cb_t cmp, void *ctx)
goto out;
}
e = NULL; /* not found */
e = nullptr; /* not found */
out: pthread_mutex_unlock(&l->lock);

6
common/lib/task.cpp
View file

@ -80,7 +80,7 @@ int task_set_next(struct task *t, struct timespec *next)
.it_value = t->next
};
ret = timerfd_settime(t->fd, TFD_TIMER_ABSTIME, &its, NULL);
ret = timerfd_settime(t->fd, TFD_TIMER_ABSTIME, &its, nullptr);
if (ret)
return ret;
#endif /* PERIODIC_TASK_IMPL == TIMERFD */
@ -113,7 +113,7 @@ int task_set_rate(struct task *t, double rate)
.it_value = t->period
};
ret = timerfd_settime(t->fd, 0, &its, NULL);
ret = timerfd_settime(t->fd, 0, &its, nullptr);
if (ret)
return ret;
#endif /* PERIODIC_TASK_IMPL */
@ -148,7 +148,7 @@ uint64_t task_wait(struct task *t)
#if PERIODIC_TASK_IMPL == CLOCK_NANOSLEEP
do {
ret = clock_nanosleep(t->clock, TIMER_ABSTIME, &t->next, NULL);
ret = clock_nanosleep(t->clock, TIMER_ABSTIME, &t->next, nullptr);
} while (ret == EINTR);
#elif PERIODIC_TASK_IMPL == NANOSLEEP
struct timespec req, rem = time_diff(&now, &t->next);

4
common/lib/tsc.cpp
View file

@ -59,8 +59,8 @@ int tsc_init(struct tsc *t)
/** @todo: machdep.tsc.frequency seems to be a measured frequency (based on local APIC?
* We should figure out which frequency is more accurate */
// ret = sysctlbyname("hw.cpufrequency", &frequency, &lenp, NULL, 0);
ret = sysctlbyname("machdep.tsc.frequency", &frequency, &lenp, NULL, 0);
// ret = sysctlbyname("hw.cpufrequency", &frequency, &lenp, nullptr, 0);
ret = sysctlbyname("machdep.tsc.frequency", &frequency, &lenp, nullptr, 0);
if (ret)
return ret;

6
common/lib/utils.cpp
View file

@ -234,7 +234,7 @@ char * vstrcatf(char **dest, const char *fmt, va_list ap)
int i = vasprintf(&tmp, fmt, ap);
*dest = (char *)(realloc(*dest, n + i + 1));
if (*dest != NULL)
if (*dest != nullptr)
strncpy(*dest+n, tmp, i + 1);
free(tmp);
@ -244,7 +244,7 @@ char * vstrcatf(char **dest, const char *fmt, va_list ap)
char * strf(const char *fmt, ...)
{
char *buf = NULL;
char *buf = nullptr;
va_list ap;
va_start(ap, fmt);
@ -256,7 +256,7 @@ char * strf(const char *fmt, ...)
char * vstrf(const char *fmt, va_list va)
{
char *buf = NULL;
char *buf = nullptr;
vstrcatf(&buf, fmt, va);