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-rw-r--r--coccinelle/xsprintf.cocci6
-rw-r--r--src/basic/cgroup-util.c3
-rw-r--r--src/basic/log.c4
-rw-r--r--src/basic/signal-util.c5
-rw-r--r--src/bootchart/svg.c3
-rw-r--r--src/cgtop/cgtop.c5
-rw-r--r--src/core/job.c3
-rw-r--r--src/core/unit.c3
-rw-r--r--src/journal/journald-syslog.c4
-rw-r--r--src/libsystemd-network/sd-dhcp-lease.c3
-rw-r--r--src/libsystemd/sd-bus/bus-kernel.c7
-rw-r--r--src/login/logind-seat.c3
-rw-r--r--src/network/networkctl.c4
-rw-r--r--src/shared/switch-root.c3
-rw-r--r--src/test/test-libudev.c3
-rw-r--r--src/udev/collect/collect.c3
-rw-r--r--src/udev/udev-builtin-input_id.c10
-rw-r--r--src/udev/udev-builtin-net_id.c15
-rw-r--r--src/udev/udev-node.c11
-rw-r--r--src/udev/udev-watch.c7
-rw-r--r--src/vconsole/vconsole-setup.c5
21 files changed, 70 insertions, 40 deletions
diff --git a/coccinelle/xsprintf.cocci b/coccinelle/xsprintf.cocci
new file mode 100644
index 0000000000..401216ad72
--- /dev/null
+++ b/coccinelle/xsprintf.cocci
@@ -0,0 +1,6 @@
+@@
+expression e, fmt;
+expression list vaargs;
+@@
+- snprintf(e, sizeof(e), fmt, vaargs);
++ xsprintf(e, fmt, vaargs);
diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index 639f9f3db1..3945d37c8d 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -53,6 +53,7 @@
#include "set.h"
#include "special.h"
#include "stat-util.h"
+#include "stdio-util.h"
#include "string-table.h"
#include "string-util.h"
#include "unit-name.h"
@@ -716,7 +717,7 @@ int cg_attach(const char *controller, const char *path, pid_t pid) {
if (pid == 0)
pid = getpid();
- snprintf(c, sizeof(c), PID_FMT"\n", pid);
+ xsprintf(c, PID_FMT "\n", pid);
return write_string_file(fs, c, 0);
}
diff --git a/src/basic/log.c b/src/basic/log.c
index 1a9e6bdb91..a2bc0d5be2 100644
--- a/src/basic/log.c
+++ b/src/basic/log.c
@@ -352,7 +352,7 @@ static int write_to_console(
highlight = LOG_PRI(level) <= LOG_ERR && show_color;
if (show_location) {
- snprintf(location, sizeof(location), "(%s:%i) ", file, line);
+ xsprintf(location, "(%s:%i) ", file, line);
IOVEC_SET_STRING(iovec[n++], location);
}
@@ -777,7 +777,7 @@ static void log_assert(
return;
DISABLE_WARNING_FORMAT_NONLITERAL;
- snprintf(buffer, sizeof(buffer), format, text, file, line, func);
+ xsprintf(buffer, format, text, file, line, func);
REENABLE_WARNING;
log_abort_msg = buffer;
diff --git a/src/basic/signal-util.c b/src/basic/signal-util.c
index 7637fccb2f..315efadd93 100644
--- a/src/basic/signal-util.c
+++ b/src/basic/signal-util.c
@@ -26,6 +26,7 @@
#include "macro.h"
#include "parse-util.h"
#include "signal-util.h"
+#include "stdio-util.h"
#include "string-table.h"
#include "string-util.h"
@@ -234,9 +235,9 @@ const char *signal_to_string(int signo) {
return name;
if (signo >= SIGRTMIN && signo <= SIGRTMAX)
- snprintf(buf, sizeof(buf), "RTMIN+%d", signo - SIGRTMIN);
+ xsprintf(buf, "RTMIN+%d", signo - SIGRTMIN);
else
- snprintf(buf, sizeof(buf), "%d", signo);
+ xsprintf(buf, "%d", signo);
return buf;
}
diff --git a/src/bootchart/svg.c b/src/bootchart/svg.c
index 2bf473ffc1..79e261abe5 100644
--- a/src/bootchart/svg.c
+++ b/src/bootchart/svg.c
@@ -37,6 +37,7 @@
#include "fileio.h"
#include "list.h"
#include "macro.h"
+#include "stdio-util.h"
#include "store.h"
#include "svg.h"
#include "utf8.h"
@@ -171,7 +172,7 @@ static int svg_title(FILE *of, const char *build, int pscount, double log_start,
strncpy(rootbdev, &c[10], sizeof(rootbdev) - 1);
rootbdev[3] = '\0';
- snprintf(filename, sizeof(filename), "/sys/block/%s/device/model", rootbdev);
+ xsprintf(filename, "/sys/block/%s/device/model", rootbdev);
r = read_one_line_file(filename, &model);
if (r < 0)
diff --git a/src/cgtop/cgtop.c b/src/cgtop/cgtop.c
index 0a5c11ad0c..4894296554 100644
--- a/src/cgtop/cgtop.c
+++ b/src/cgtop/cgtop.c
@@ -40,6 +40,7 @@
#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
+#include "stdio-util.h"
#include "terminal-util.h"
#include "unit-name.h"
#include "util.h"
@@ -565,9 +566,9 @@ static void display(Hashmap *a) {
}
if (arg_cpu_type == CPU_PERCENT)
- snprintf(buffer, sizeof(buffer), "%6s", "%CPU");
+ xsprintf(buffer, "%6s", "%CPU");
else
- snprintf(buffer, sizeof(buffer), "%*s", maxtcpu, "CPU Time");
+ xsprintf(buffer, "%*s", maxtcpu, "CPU Time");
rows = lines();
if (rows <= 10)
diff --git a/src/core/job.c b/src/core/job.c
index 9654590635..274c554da9 100644
--- a/src/core/job.c
+++ b/src/core/job.c
@@ -35,6 +35,7 @@
#include "parse-util.h"
#include "set.h"
#include "special.h"
+#include "stdio-util.h"
#include "string-table.h"
#include "string-util.h"
#include "strv.h"
@@ -754,7 +755,7 @@ static void job_log_status_message(Unit *u, JobType t, JobResult result) {
return;
DISABLE_WARNING_FORMAT_NONLITERAL;
- snprintf(buf, sizeof(buf), format, unit_description(u));
+ xsprintf(buf, format, unit_description(u));
REENABLE_WARNING;
switch (t) {
diff --git a/src/core/unit.c b/src/core/unit.c
index e1bc6c75cb..32267d95f5 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -51,6 +51,7 @@
#include "set.h"
#include "special.h"
#include "stat-util.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "strv.h"
#include "unit-name.h"
@@ -1412,7 +1413,7 @@ static void unit_status_log_starting_stopping_reloading(Unit *u, JobType t) {
format = unit_get_status_message_format(u, t);
DISABLE_WARNING_FORMAT_NONLITERAL;
- snprintf(buf, sizeof(buf), format, unit_description(u));
+ xsprintf(buf, format, unit_description(u));
REENABLE_WARNING;
mid = t == JOB_START ? SD_MESSAGE_UNIT_STARTING :
diff --git a/src/journal/journald-syslog.c b/src/journal/journald-syslog.c
index b4fdec3d90..0be73088e2 100644
--- a/src/journal/journald-syslog.c
+++ b/src/journal/journald-syslog.c
@@ -357,11 +357,11 @@ void server_process_syslog_message(
IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=syslog");
- snprintf(syslog_priority, sizeof(syslog_priority), "PRIORITY=%i", priority & LOG_PRIMASK);
+ xsprintf(syslog_priority, "PRIORITY=%i", priority & LOG_PRIMASK);
IOVEC_SET_STRING(iovec[n++], syslog_priority);
if (priority & LOG_FACMASK) {
- snprintf(syslog_facility, sizeof(syslog_facility), "SYSLOG_FACILITY=%i", LOG_FAC(priority));
+ xsprintf(syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority));
IOVEC_SET_STRING(iovec[n++], syslog_facility);
}
diff --git a/src/libsystemd-network/sd-dhcp-lease.c b/src/libsystemd-network/sd-dhcp-lease.c
index e875ba4986..6fb80dda7a 100644
--- a/src/libsystemd-network/sd-dhcp-lease.c
+++ b/src/libsystemd-network/sd-dhcp-lease.c
@@ -37,6 +37,7 @@
#include "in-addr-util.h"
#include "network-internal.h"
#include "parse-util.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "unaligned.h"
@@ -839,7 +840,7 @@ int dhcp_lease_save(sd_dhcp_lease *lease, const char *lease_file) {
LIST_FOREACH(options, option, lease->private_options) {
char key[strlen("OPTION_000")+1];
- snprintf(key, sizeof(key), "OPTION_%"PRIu8, option->tag);
+ xsprintf(key, "OPTION_%" PRIu8, option->tag);
r = serialize_dhcp_option(f, key, option->data, option->length);
if (r < 0)
goto fail;
diff --git a/src/libsystemd/sd-bus/bus-kernel.c b/src/libsystemd/sd-bus/bus-kernel.c
index 6c05444e9a..b2d685855e 100644
--- a/src/libsystemd/sd-bus/bus-kernel.c
+++ b/src/libsystemd/sd-bus/bus-kernel.c
@@ -47,6 +47,7 @@
#include "formats-util.h"
#include "memfd-util.h"
#include "parse-util.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "strv.h"
#include "user-util.h"
@@ -849,7 +850,8 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k) {
if (k->src_id == KDBUS_SRC_ID_KERNEL)
bus_message_set_sender_driver(bus, m);
else {
- snprintf(m->sender_buffer, sizeof(m->sender_buffer), ":1.%llu", (unsigned long long) k->src_id);
+ xsprintf(m->sender_buffer, ":1.%llu",
+ (unsigned long long)k->src_id);
m->sender = m->creds.unique_name = m->sender_buffer;
}
@@ -860,7 +862,8 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k) {
else if (k->dst_id == KDBUS_DST_ID_NAME)
m->destination = bus->unique_name; /* fill in unique name if the well-known name is missing */
else {
- snprintf(m->destination_buffer, sizeof(m->destination_buffer), ":1.%llu", (unsigned long long) k->dst_id);
+ xsprintf(m->destination_buffer, ":1.%llu",
+ (unsigned long long)k->dst_id);
m->destination = m->destination_buffer;
}
diff --git a/src/login/logind-seat.c b/src/login/logind-seat.c
index 1f4936cebe..9d111f737c 100644
--- a/src/login/logind-seat.c
+++ b/src/login/logind-seat.c
@@ -34,6 +34,7 @@
#include "logind-seat.h"
#include "mkdir.h"
#include "parse-util.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "terminal-util.h"
#include "util.h"
@@ -181,7 +182,7 @@ static int vt_allocate(unsigned int vtnr) {
assert(vtnr >= 1);
- snprintf(p, sizeof(p), "/dev/tty%u", vtnr);
+ xsprintf(p, "/dev/tty%u", vtnr);
fd = open_terminal(p, O_RDWR|O_NOCTTY|O_CLOEXEC);
if (fd < 0)
return -errno;
diff --git a/src/network/networkctl.c b/src/network/networkctl.c
index 0234825adb..4a8fa4d8f3 100644
--- a/src/network/networkctl.c
+++ b/src/network/networkctl.c
@@ -40,6 +40,7 @@
#include "pager.h"
#include "parse-util.h"
#include "socket-util.h"
+#include "stdio-util.h"
#include "string-table.h"
#include "string-util.h"
#include "strv.h"
@@ -275,7 +276,8 @@ static int ieee_oui(sd_hwdb *hwdb, struct ether_addr *mac, char **ret) {
if (memcmp(mac, "\0\0\0", 3) == 0)
return -EINVAL;
- snprintf(modalias, sizeof(modalias), "OUI:" ETHER_ADDR_FORMAT_STR, ETHER_ADDR_FORMAT_VAL(*mac));
+ xsprintf(modalias, "OUI:" ETHER_ADDR_FORMAT_STR,
+ ETHER_ADDR_FORMAT_VAL(*mac));
r = sd_hwdb_get(hwdb, modalias, "ID_OUI_FROM_DATABASE", &description);
if (r < 0)
diff --git a/src/shared/switch-root.c b/src/shared/switch-root.c
index b1bbbdaadd..bf0739e5fa 100644
--- a/src/shared/switch-root.c
+++ b/src/shared/switch-root.c
@@ -35,6 +35,7 @@
#include "mkdir.h"
#include "path-util.h"
#include "rm-rf.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "switch-root.h"
#include "user-util.h"
@@ -77,7 +78,7 @@ int switch_root(const char *new_root, const char *oldroot, bool detach_oldroot,
char new_mount[PATH_MAX];
struct stat sb;
- snprintf(new_mount, sizeof(new_mount), "%s%s", new_root, i);
+ xsprintf(new_mount, "%s%s", new_root, i);
mkdir_p_label(new_mount, 0755);
diff --git a/src/test/test-libudev.c b/src/test/test-libudev.c
index 350eaf734d..94d852b3b0 100644
--- a/src/test/test-libudev.c
+++ b/src/test/test-libudev.c
@@ -25,6 +25,7 @@
#include "libudev.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "udev-util.h"
#include "util.h"
@@ -460,7 +461,7 @@ int main(int argc, char *argv[]) {
/* add sys path if needed */
if (!startswith(syspath, "/sys")) {
- snprintf(path, sizeof(path), "/sys/%s", syspath);
+ xsprintf(path, "/sys/%s", syspath);
syspath = path;
}
diff --git a/src/udev/collect/collect.c b/src/udev/collect/collect.c
index b6c95cd452..349585b634 100644
--- a/src/udev/collect/collect.c
+++ b/src/udev/collect/collect.c
@@ -27,6 +27,7 @@
#include "alloc-util.h"
#include "libudev-private.h"
#include "macro.h"
+#include "stdio-util.h"
#include "string-util.h"
#define BUFSIZE 16
@@ -91,7 +92,7 @@ static int prepare(char *dir, char *filename)
if (r < 0 && errno != EEXIST)
return -errno;
- snprintf(buf, sizeof(buf), "%s/%s", dir, filename);
+ xsprintf(buf, "%s/%s", dir, filename);
fd = open(buf,O_RDWR|O_CREAT|O_CLOEXEC, S_IRUSR|S_IWUSR);
if (fd < 0)
diff --git a/src/udev/udev-builtin-input_id.c b/src/udev/udev-builtin-input_id.c
index a7aac78def..691ef5656d 100644
--- a/src/udev/udev-builtin-input_id.c
+++ b/src/udev/udev-builtin-input_id.c
@@ -33,6 +33,7 @@
#include <linux/input.h>
#include "fd-util.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "udev.h"
#include "util.h"
@@ -66,8 +67,8 @@ static void extract_info(struct udev_device *dev, const char *devpath, bool test
if (xabsinfo.resolution <= 0 || yabsinfo.resolution <= 0)
return;
- snprintf(width, sizeof(width), "%d", abs_size_mm(&xabsinfo));
- snprintf(height, sizeof(height), "%d", abs_size_mm(&yabsinfo));
+ xsprintf(width, "%d", abs_size_mm(&xabsinfo));
+ xsprintf(height, "%d", abs_size_mm(&yabsinfo));
udev_builtin_add_property(dev, test, "ID_INPUT_WIDTH_MM", width);
udev_builtin_add_property(dev, test, "ID_INPUT_HEIGHT_MM", height);
@@ -93,7 +94,7 @@ static void get_cap_mask(struct udev_device *dev,
if (!v)
v = "";
- snprintf(text, sizeof(text), "%s", v);
+ xsprintf(text, "%s", v);
log_debug("%s raw kernel attribute: %s", attr, text);
memzero(bitmask, bitmask_size);
@@ -115,7 +116,8 @@ static void get_cap_mask(struct udev_device *dev,
if (test) {
/* printf pattern with the right unsigned long number of hex chars */
- snprintf(text, sizeof(text), " bit %%4u: %%0%zulX\n", 2 * sizeof(unsigned long));
+ xsprintf(text, " bit %%4u: %%0%zulX\n",
+ 2 * sizeof(unsigned long));
log_debug("%s decoded bit map:", attr);
val = bitmask_size / sizeof (unsigned long);
/* skip over leading zeros */
diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
index e549fdbee9..e83b8b1c12 100644
--- a/src/udev/udev-builtin-net_id.c
+++ b/src/udev/udev-builtin-net_id.c
@@ -102,6 +102,7 @@
#include "fd-util.h"
#include "fileio.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "udev.h"
@@ -228,7 +229,7 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
err = -ENOENT;
goto out;
}
- snprintf(slots, sizeof(slots), "%s/slots", udev_device_get_syspath(pci));
+ xsprintf(slots, "%s/slots", udev_device_get_syspath(pci));
dir = opendir(slots);
if (!dir) {
err = -errno;
@@ -247,7 +248,7 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
continue;
if (i < 1)
continue;
- snprintf(str, sizeof(str), "%s/%s/address", slots, dent->d_name);
+ xsprintf(str, "%s/%s/address", slots, dent->d_name);
if (read_one_line_file(str, &address) >= 0) {
/* match slot address with device by stripping the function */
if (strneq(address, udev_device_get_sysname(names->pcidev), strlen(address)))
@@ -380,7 +381,7 @@ static int names_bcma(struct udev_device *dev, struct netnames *names) {
return -EINVAL;
/* suppress the common core == 0 */
if (core > 0)
- snprintf(names->bcma_core, sizeof(names->bcma_core), "b%u", core);
+ xsprintf(names->bcma_core, "b%u", core);
names->type = NET_BCMA;
return 0;
@@ -469,9 +470,9 @@ static int ieee_oui(struct udev_device *dev, struct netnames *names, bool test)
/* skip commonly misused 00:00:00 (Xerox) prefix */
if (memcmp(names->mac, "\0\0\0", 3) == 0)
return -EINVAL;
- snprintf(str, sizeof(str), "OUI:%02X%02X%02X%02X%02X%02X",
- names->mac[0], names->mac[1], names->mac[2],
- names->mac[3], names->mac[4], names->mac[5]);
+ xsprintf(str, "OUI:%02X%02X%02X%02X%02X%02X", names->mac[0],
+ names->mac[1], names->mac[2], names->mac[3], names->mac[4],
+ names->mac[5]);
udev_builtin_hwdb_lookup(dev, NULL, str, NULL, test);
return 0;
}
@@ -523,7 +524,7 @@ static int builtin_net_id(struct udev_device *dev, int argc, char *argv[], bool
if (err >= 0 && names.mac_valid) {
char str[IFNAMSIZ];
- snprintf(str, sizeof(str), "%sx%02x%02x%02x%02x%02x%02x", prefix,
+ xsprintf(str, "%sx%02x%02x%02x%02x%02x%02x", prefix,
names.mac[0], names.mac[1], names.mac[2],
names.mac[3], names.mac[4], names.mac[5]);
udev_builtin_add_property(dev, test, "ID_NET_NAME_MAC", str);
diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c
index 39ae2cc1b1..fd7936c2dc 100644
--- a/src/udev/udev-node.c
+++ b/src/udev/udev-node.c
@@ -31,6 +31,7 @@
#include "fs-util.h"
#include "selinux-util.h"
#include "smack-util.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "udev.h"
@@ -348,9 +349,10 @@ void udev_node_add(struct udev_device *dev, bool apply,
return;
/* always add /dev/{block,char}/$major:$minor */
- snprintf(filename, sizeof(filename), "/dev/%s/%u:%u",
+ xsprintf(filename, "/dev/%s/%u:%u",
streq(udev_device_get_subsystem(dev), "block") ? "block" : "char",
- major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
+ major(udev_device_get_devnum(dev)),
+ minor(udev_device_get_devnum(dev)));
node_symlink(dev, udev_device_get_devnode(dev), filename);
/* create/update symlinks, add symlinks to name index */
@@ -367,8 +369,9 @@ void udev_node_remove(struct udev_device *dev) {
link_update(dev, udev_list_entry_get_name(list_entry), false);
/* remove /dev/{block,char}/$major:$minor */
- snprintf(filename, sizeof(filename), "/dev/%s/%u:%u",
+ xsprintf(filename, "/dev/%s/%u:%u",
streq(udev_device_get_subsystem(dev), "block") ? "block" : "char",
- major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
+ major(udev_device_get_devnum(dev)),
+ minor(udev_device_get_devnum(dev)));
unlink(filename);
}
diff --git a/src/udev/udev-watch.c b/src/udev/udev-watch.c
index 60de703706..c0f4973f93 100644
--- a/src/udev/udev-watch.c
+++ b/src/udev/udev-watch.c
@@ -26,6 +26,7 @@
#include <sys/inotify.h>
#include <unistd.h>
+#include "stdio-util.h"
#include "udev.h"
static int inotify_fd = -1;
@@ -105,7 +106,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev) {
return;
}
- snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd);
+ xsprintf(filename, "/run/udev/watch/%d", wd);
mkdir_parents(filename, 0755);
unlink(filename);
r = symlink(udev_device_get_id_filename(dev), filename);
@@ -129,7 +130,7 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev) {
log_debug("removing watch on '%s'", udev_device_get_devnode(dev));
inotify_rm_watch(inotify_fd, wd);
- snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd);
+ xsprintf(filename, "/run/udev/watch/%d", wd);
unlink(filename);
udev_device_set_watch_handle(dev, -1);
@@ -143,7 +144,7 @@ struct udev_device *udev_watch_lookup(struct udev *udev, int wd) {
if (inotify_fd < 0 || wd < 0)
return NULL;
- snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd);
+ xsprintf(filename, "/run/udev/watch/%d", wd);
len = readlink(filename, device, sizeof(device));
if (len <= 0 || (size_t)len == sizeof(device))
return NULL;
diff --git a/src/vconsole/vconsole-setup.c b/src/vconsole/vconsole-setup.c
index a5f4529cfd..622fbe9a6d 100644
--- a/src/vconsole/vconsole-setup.c
+++ b/src/vconsole/vconsole-setup.c
@@ -39,6 +39,7 @@
#include "log.h"
#include "process-util.h"
#include "signal-util.h"
+#include "stdio-util.h"
#include "string-util.h"
#include "terminal-util.h"
#include "util.h"
@@ -215,11 +216,11 @@ static void font_copy_to_all_vcs(int fd) {
continue;
/* skip non-allocated ttys */
- snprintf(vcname, sizeof(vcname), "/dev/vcs%i", i);
+ xsprintf(vcname, "/dev/vcs%i", i);
if (access(vcname, F_OK) < 0)
continue;
- snprintf(vcname, sizeof(vcname), "/dev/tty%i", i);
+ xsprintf(vcname, "/dev/tty%i", i);
vcfd = open_terminal(vcname, O_RDWR|O_CLOEXEC);
if (vcfd < 0)
continue;
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