redrust 0.1.1

redrust is a port of the popular Redis database system written in Rust programming language. This port aims to provide all the features of Redis while taking advantage of the Rust language's safety, speed, and modern language features.
Documentation
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extern crate c2rust_bitfields;
extern crate libc;
extern crate core;
extern "C" {
    pub type _IO_wide_data;
    pub type _IO_codecvt;
    pub type _IO_marker;
    fn open(__file: *const libc::c_char, __oflag: libc::c_int, _: ...) -> libc::c_int;
    static mut stderr: *mut FILE;
    fn fclose(__stream: *mut FILE) -> libc::c_int;
    fn fflush(__stream: *mut FILE) -> libc::c_int;
    fn fopen(_: *const libc::c_char, _: *const libc::c_char) -> *mut FILE;
    fn fprintf(_: *mut FILE, _: *const libc::c_char, _: ...) -> libc::c_int;
    fn sprintf(_: *mut libc::c_char, _: *const libc::c_char, _: ...) -> libc::c_int;
    fn snprintf(
        _: *mut libc::c_char,
        _: libc::c_ulong,
        _: *const libc::c_char,
        _: ...
    ) -> libc::c_int;
    fn fgets(
        __s: *mut libc::c_char,
        __n: libc::c_int,
        __stream: *mut FILE,
    ) -> *mut libc::c_char;
    fn strtol(
        _: *const libc::c_char,
        _: *mut *mut libc::c_char,
        _: libc::c_int,
    ) -> libc::c_long;
    fn strtoll(
        _: *const libc::c_char,
        _: *mut *mut libc::c_char,
        _: libc::c_int,
    ) -> libc::c_longlong;
    fn free(__ptr: *mut libc::c_void);
    fn abort() -> !;
    fn close(__fd: libc::c_int) -> libc::c_int;
    fn read(__fd: libc::c_int, __buf: *mut libc::c_void, __nbytes: size_t) -> ssize_t;
    fn sysconf(__name: libc::c_int) -> libc::c_long;
    fn madvise(
        __addr: *mut libc::c_void,
        __len: size_t,
        __advice: libc::c_int,
    ) -> libc::c_int;
    fn memcpy(
        _: *mut libc::c_void,
        _: *const libc::c_void,
        _: libc::c_ulong,
    ) -> *mut libc::c_void;
    fn strncmp(
        _: *const libc::c_char,
        _: *const libc::c_char,
        _: libc::c_ulong,
    ) -> libc::c_int;
    fn strchr(_: *const libc::c_char, _: libc::c_int) -> *mut libc::c_char;
    fn strrchr(_: *const libc::c_char, _: libc::c_int) -> *mut libc::c_char;
    fn strlen(_: *const libc::c_char) -> libc::c_ulong;
    fn je_malloc(size: size_t) -> *mut libc::c_void;
    fn je_mallocx(size: size_t, flags: libc::c_int) -> *mut libc::c_void;
    fn je_realloc(ptr: *mut libc::c_void, size: size_t) -> *mut libc::c_void;
    fn je_calloc(num: size_t, size: size_t) -> *mut libc::c_void;
    fn je_mallctl(
        name: *const libc::c_char,
        oldp: *mut libc::c_void,
        oldlenp: *mut size_t,
        newp: *mut libc::c_void,
        newlen: size_t,
    ) -> libc::c_int;
    fn je_dallocx(ptr: *mut libc::c_void, flags: libc::c_int);
    fn je_free(ptr: *mut libc::c_void);
    fn je_malloc_usable_size(ptr: *mut libc::c_void) -> size_t;
}
pub type __uint64_t = libc::c_ulong;
pub type __off_t = libc::c_long;
pub type __off64_t = libc::c_long;
pub type __ssize_t = libc::c_long;
pub type size_t = libc::c_ulong;
pub type ssize_t = __ssize_t;
#[derive(Copy, Clone)]
#[repr(C)]
pub struct _IO_FILE {
    pub _flags: libc::c_int,
    pub _IO_read_ptr: *mut libc::c_char,
    pub _IO_read_end: *mut libc::c_char,
    pub _IO_read_base: *mut libc::c_char,
    pub _IO_write_base: *mut libc::c_char,
    pub _IO_write_ptr: *mut libc::c_char,
    pub _IO_write_end: *mut libc::c_char,
    pub _IO_buf_base: *mut libc::c_char,
    pub _IO_buf_end: *mut libc::c_char,
    pub _IO_save_base: *mut libc::c_char,
    pub _IO_backup_base: *mut libc::c_char,
    pub _IO_save_end: *mut libc::c_char,
    pub _markers: *mut _IO_marker,
    pub _chain: *mut _IO_FILE,
    pub _fileno: libc::c_int,
    pub _flags2: libc::c_int,
    pub _old_offset: __off_t,
    pub _cur_column: libc::c_ushort,
    pub _vtable_offset: libc::c_schar,
    pub _shortbuf: [libc::c_char; 1],
    pub _lock: *mut libc::c_void,
    pub _offset: __off64_t,
    pub _codecvt: *mut _IO_codecvt,
    pub _wide_data: *mut _IO_wide_data,
    pub _freeres_list: *mut _IO_FILE,
    pub _freeres_buf: *mut libc::c_void,
    pub __pad5: size_t,
    pub _mode: libc::c_int,
    pub _unused2: [libc::c_char; 20],
}
pub type _IO_lock_t = ();
pub type FILE = _IO_FILE;
pub type uint64_t = __uint64_t;
pub type C2RustUnnamed = libc::c_uint;
pub const _SC_THREAD_ROBUST_PRIO_PROTECT: C2RustUnnamed = 248;
pub const _SC_THREAD_ROBUST_PRIO_INHERIT: C2RustUnnamed = 247;
pub const _SC_XOPEN_STREAMS: C2RustUnnamed = 246;
pub const _SC_TRACE_USER_EVENT_MAX: C2RustUnnamed = 245;
pub const _SC_TRACE_SYS_MAX: C2RustUnnamed = 244;
pub const _SC_TRACE_NAME_MAX: C2RustUnnamed = 243;
pub const _SC_TRACE_EVENT_NAME_MAX: C2RustUnnamed = 242;
pub const _SC_SS_REPL_MAX: C2RustUnnamed = 241;
pub const _SC_V7_LPBIG_OFFBIG: C2RustUnnamed = 240;
pub const _SC_V7_LP64_OFF64: C2RustUnnamed = 239;
pub const _SC_V7_ILP32_OFFBIG: C2RustUnnamed = 238;
pub const _SC_V7_ILP32_OFF32: C2RustUnnamed = 237;
pub const _SC_RAW_SOCKETS: C2RustUnnamed = 236;
pub const _SC_IPV6: C2RustUnnamed = 235;
pub const _SC_LEVEL4_CACHE_LINESIZE: C2RustUnnamed = 199;
pub const _SC_LEVEL4_CACHE_ASSOC: C2RustUnnamed = 198;
pub const _SC_LEVEL4_CACHE_SIZE: C2RustUnnamed = 197;
pub const _SC_LEVEL3_CACHE_LINESIZE: C2RustUnnamed = 196;
pub const _SC_LEVEL3_CACHE_ASSOC: C2RustUnnamed = 195;
pub const _SC_LEVEL3_CACHE_SIZE: C2RustUnnamed = 194;
pub const _SC_LEVEL2_CACHE_LINESIZE: C2RustUnnamed = 193;
pub const _SC_LEVEL2_CACHE_ASSOC: C2RustUnnamed = 192;
pub const _SC_LEVEL2_CACHE_SIZE: C2RustUnnamed = 191;
pub const _SC_LEVEL1_DCACHE_LINESIZE: C2RustUnnamed = 190;
pub const _SC_LEVEL1_DCACHE_ASSOC: C2RustUnnamed = 189;
pub const _SC_LEVEL1_DCACHE_SIZE: C2RustUnnamed = 188;
pub const _SC_LEVEL1_ICACHE_LINESIZE: C2RustUnnamed = 187;
pub const _SC_LEVEL1_ICACHE_ASSOC: C2RustUnnamed = 186;
pub const _SC_LEVEL1_ICACHE_SIZE: C2RustUnnamed = 185;
pub const _SC_TRACE_LOG: C2RustUnnamed = 184;
pub const _SC_TRACE_INHERIT: C2RustUnnamed = 183;
pub const _SC_TRACE_EVENT_FILTER: C2RustUnnamed = 182;
pub const _SC_TRACE: C2RustUnnamed = 181;
pub const _SC_HOST_NAME_MAX: C2RustUnnamed = 180;
pub const _SC_V6_LPBIG_OFFBIG: C2RustUnnamed = 179;
pub const _SC_V6_LP64_OFF64: C2RustUnnamed = 178;
pub const _SC_V6_ILP32_OFFBIG: C2RustUnnamed = 177;
pub const _SC_V6_ILP32_OFF32: C2RustUnnamed = 176;
pub const _SC_2_PBS_CHECKPOINT: C2RustUnnamed = 175;
pub const _SC_STREAMS: C2RustUnnamed = 174;
pub const _SC_SYMLOOP_MAX: C2RustUnnamed = 173;
pub const _SC_2_PBS_TRACK: C2RustUnnamed = 172;
pub const _SC_2_PBS_MESSAGE: C2RustUnnamed = 171;
pub const _SC_2_PBS_LOCATE: C2RustUnnamed = 170;
pub const _SC_2_PBS_ACCOUNTING: C2RustUnnamed = 169;
pub const _SC_2_PBS: C2RustUnnamed = 168;
pub const _SC_USER_GROUPS_R: C2RustUnnamed = 167;
pub const _SC_USER_GROUPS: C2RustUnnamed = 166;
pub const _SC_TYPED_MEMORY_OBJECTS: C2RustUnnamed = 165;
pub const _SC_TIMEOUTS: C2RustUnnamed = 164;
pub const _SC_SYSTEM_DATABASE_R: C2RustUnnamed = 163;
pub const _SC_SYSTEM_DATABASE: C2RustUnnamed = 162;
pub const _SC_THREAD_SPORADIC_SERVER: C2RustUnnamed = 161;
pub const _SC_SPORADIC_SERVER: C2RustUnnamed = 160;
pub const _SC_SPAWN: C2RustUnnamed = 159;
pub const _SC_SIGNALS: C2RustUnnamed = 158;
pub const _SC_SHELL: C2RustUnnamed = 157;
pub const _SC_REGEX_VERSION: C2RustUnnamed = 156;
pub const _SC_REGEXP: C2RustUnnamed = 155;
pub const _SC_SPIN_LOCKS: C2RustUnnamed = 154;
pub const _SC_READER_WRITER_LOCKS: C2RustUnnamed = 153;
pub const _SC_NETWORKING: C2RustUnnamed = 152;
pub const _SC_SINGLE_PROCESS: C2RustUnnamed = 151;
pub const _SC_MULTI_PROCESS: C2RustUnnamed = 150;
pub const _SC_MONOTONIC_CLOCK: C2RustUnnamed = 149;
pub const _SC_FILE_SYSTEM: C2RustUnnamed = 148;
pub const _SC_FILE_LOCKING: C2RustUnnamed = 147;
pub const _SC_FILE_ATTRIBUTES: C2RustUnnamed = 146;
pub const _SC_PIPE: C2RustUnnamed = 145;
pub const _SC_FIFO: C2RustUnnamed = 144;
pub const _SC_FD_MGMT: C2RustUnnamed = 143;
pub const _SC_DEVICE_SPECIFIC_R: C2RustUnnamed = 142;
pub const _SC_DEVICE_SPECIFIC: C2RustUnnamed = 141;
pub const _SC_DEVICE_IO: C2RustUnnamed = 140;
pub const _SC_THREAD_CPUTIME: C2RustUnnamed = 139;
pub const _SC_CPUTIME: C2RustUnnamed = 138;
pub const _SC_CLOCK_SELECTION: C2RustUnnamed = 137;
pub const _SC_C_LANG_SUPPORT_R: C2RustUnnamed = 136;
pub const _SC_C_LANG_SUPPORT: C2RustUnnamed = 135;
pub const _SC_BASE: C2RustUnnamed = 134;
pub const _SC_BARRIERS: C2RustUnnamed = 133;
pub const _SC_ADVISORY_INFO: C2RustUnnamed = 132;
pub const _SC_XOPEN_REALTIME_THREADS: C2RustUnnamed = 131;
pub const _SC_XOPEN_REALTIME: C2RustUnnamed = 130;
pub const _SC_XOPEN_LEGACY: C2RustUnnamed = 129;
pub const _SC_XBS5_LPBIG_OFFBIG: C2RustUnnamed = 128;
pub const _SC_XBS5_LP64_OFF64: C2RustUnnamed = 127;
pub const _SC_XBS5_ILP32_OFFBIG: C2RustUnnamed = 126;
pub const _SC_XBS5_ILP32_OFF32: C2RustUnnamed = 125;
pub const _SC_NL_TEXTMAX: C2RustUnnamed = 124;
pub const _SC_NL_SETMAX: C2RustUnnamed = 123;
pub const _SC_NL_NMAX: C2RustUnnamed = 122;
pub const _SC_NL_MSGMAX: C2RustUnnamed = 121;
pub const _SC_NL_LANGMAX: C2RustUnnamed = 120;
pub const _SC_NL_ARGMAX: C2RustUnnamed = 119;
pub const _SC_USHRT_MAX: C2RustUnnamed = 118;
pub const _SC_ULONG_MAX: C2RustUnnamed = 117;
pub const _SC_UINT_MAX: C2RustUnnamed = 116;
pub const _SC_UCHAR_MAX: C2RustUnnamed = 115;
pub const _SC_SHRT_MIN: C2RustUnnamed = 114;
pub const _SC_SHRT_MAX: C2RustUnnamed = 113;
pub const _SC_SCHAR_MIN: C2RustUnnamed = 112;
pub const _SC_SCHAR_MAX: C2RustUnnamed = 111;
pub const _SC_SSIZE_MAX: C2RustUnnamed = 110;
pub const _SC_NZERO: C2RustUnnamed = 109;
pub const _SC_MB_LEN_MAX: C2RustUnnamed = 108;
pub const _SC_WORD_BIT: C2RustUnnamed = 107;
pub const _SC_LONG_BIT: C2RustUnnamed = 106;
pub const _SC_INT_MIN: C2RustUnnamed = 105;
pub const _SC_INT_MAX: C2RustUnnamed = 104;
pub const _SC_CHAR_MIN: C2RustUnnamed = 103;
pub const _SC_CHAR_MAX: C2RustUnnamed = 102;
pub const _SC_CHAR_BIT: C2RustUnnamed = 101;
pub const _SC_XOPEN_XPG4: C2RustUnnamed = 100;
pub const _SC_XOPEN_XPG3: C2RustUnnamed = 99;
pub const _SC_XOPEN_XPG2: C2RustUnnamed = 98;
pub const _SC_2_UPE: C2RustUnnamed = 97;
pub const _SC_2_C_VERSION: C2RustUnnamed = 96;
pub const _SC_2_CHAR_TERM: C2RustUnnamed = 95;
pub const _SC_XOPEN_SHM: C2RustUnnamed = 94;
pub const _SC_XOPEN_ENH_I18N: C2RustUnnamed = 93;
pub const _SC_XOPEN_CRYPT: C2RustUnnamed = 92;
pub const _SC_XOPEN_UNIX: C2RustUnnamed = 91;
pub const _SC_XOPEN_XCU_VERSION: C2RustUnnamed = 90;
pub const _SC_XOPEN_VERSION: C2RustUnnamed = 89;
pub const _SC_PASS_MAX: C2RustUnnamed = 88;
pub const _SC_ATEXIT_MAX: C2RustUnnamed = 87;
pub const _SC_AVPHYS_PAGES: C2RustUnnamed = 86;
pub const _SC_PHYS_PAGES: C2RustUnnamed = 85;
pub const _SC_NPROCESSORS_ONLN: C2RustUnnamed = 84;
pub const _SC_NPROCESSORS_CONF: C2RustUnnamed = 83;
pub const _SC_THREAD_PROCESS_SHARED: C2RustUnnamed = 82;
pub const _SC_THREAD_PRIO_PROTECT: C2RustUnnamed = 81;
pub const _SC_THREAD_PRIO_INHERIT: C2RustUnnamed = 80;
pub const _SC_THREAD_PRIORITY_SCHEDULING: C2RustUnnamed = 79;
pub const _SC_THREAD_ATTR_STACKSIZE: C2RustUnnamed = 78;
pub const _SC_THREAD_ATTR_STACKADDR: C2RustUnnamed = 77;
pub const _SC_THREAD_THREADS_MAX: C2RustUnnamed = 76;
pub const _SC_THREAD_STACK_MIN: C2RustUnnamed = 75;
pub const _SC_THREAD_KEYS_MAX: C2RustUnnamed = 74;
pub const _SC_THREAD_DESTRUCTOR_ITERATIONS: C2RustUnnamed = 73;
pub const _SC_TTY_NAME_MAX: C2RustUnnamed = 72;
pub const _SC_LOGIN_NAME_MAX: C2RustUnnamed = 71;
pub const _SC_GETPW_R_SIZE_MAX: C2RustUnnamed = 70;
pub const _SC_GETGR_R_SIZE_MAX: C2RustUnnamed = 69;
pub const _SC_THREAD_SAFE_FUNCTIONS: C2RustUnnamed = 68;
pub const _SC_THREADS: C2RustUnnamed = 67;
pub const _SC_T_IOV_MAX: C2RustUnnamed = 66;
pub const _SC_PII_OSI_M: C2RustUnnamed = 65;
pub const _SC_PII_OSI_CLTS: C2RustUnnamed = 64;
pub const _SC_PII_OSI_COTS: C2RustUnnamed = 63;
pub const _SC_PII_INTERNET_DGRAM: C2RustUnnamed = 62;
pub const _SC_PII_INTERNET_STREAM: C2RustUnnamed = 61;
pub const _SC_IOV_MAX: C2RustUnnamed = 60;
pub const _SC_UIO_MAXIOV: C2RustUnnamed = 60;
pub const _SC_SELECT: C2RustUnnamed = 59;
pub const _SC_POLL: C2RustUnnamed = 58;
pub const _SC_PII_OSI: C2RustUnnamed = 57;
pub const _SC_PII_INTERNET: C2RustUnnamed = 56;
pub const _SC_PII_SOCKET: C2RustUnnamed = 55;
pub const _SC_PII_XTI: C2RustUnnamed = 54;
pub const _SC_PII: C2RustUnnamed = 53;
pub const _SC_2_LOCALEDEF: C2RustUnnamed = 52;
pub const _SC_2_SW_DEV: C2RustUnnamed = 51;
pub const _SC_2_FORT_RUN: C2RustUnnamed = 50;
pub const _SC_2_FORT_DEV: C2RustUnnamed = 49;
pub const _SC_2_C_DEV: C2RustUnnamed = 48;
pub const _SC_2_C_BIND: C2RustUnnamed = 47;
pub const _SC_2_VERSION: C2RustUnnamed = 46;
pub const _SC_CHARCLASS_NAME_MAX: C2RustUnnamed = 45;
pub const _SC_RE_DUP_MAX: C2RustUnnamed = 44;
pub const _SC_LINE_MAX: C2RustUnnamed = 43;
pub const _SC_EXPR_NEST_MAX: C2RustUnnamed = 42;
pub const _SC_EQUIV_CLASS_MAX: C2RustUnnamed = 41;
pub const _SC_COLL_WEIGHTS_MAX: C2RustUnnamed = 40;
pub const _SC_BC_STRING_MAX: C2RustUnnamed = 39;
pub const _SC_BC_SCALE_MAX: C2RustUnnamed = 38;
pub const _SC_BC_DIM_MAX: C2RustUnnamed = 37;
pub const _SC_BC_BASE_MAX: C2RustUnnamed = 36;
pub const _SC_TIMER_MAX: C2RustUnnamed = 35;
pub const _SC_SIGQUEUE_MAX: C2RustUnnamed = 34;
pub const _SC_SEM_VALUE_MAX: C2RustUnnamed = 33;
pub const _SC_SEM_NSEMS_MAX: C2RustUnnamed = 32;
pub const _SC_RTSIG_MAX: C2RustUnnamed = 31;
pub const _SC_PAGESIZE: C2RustUnnamed = 30;
pub const _SC_VERSION: C2RustUnnamed = 29;
pub const _SC_MQ_PRIO_MAX: C2RustUnnamed = 28;
pub const _SC_MQ_OPEN_MAX: C2RustUnnamed = 27;
pub const _SC_DELAYTIMER_MAX: C2RustUnnamed = 26;
pub const _SC_AIO_PRIO_DELTA_MAX: C2RustUnnamed = 25;
pub const _SC_AIO_MAX: C2RustUnnamed = 24;
pub const _SC_AIO_LISTIO_MAX: C2RustUnnamed = 23;
pub const _SC_SHARED_MEMORY_OBJECTS: C2RustUnnamed = 22;
pub const _SC_SEMAPHORES: C2RustUnnamed = 21;
pub const _SC_MESSAGE_PASSING: C2RustUnnamed = 20;
pub const _SC_MEMORY_PROTECTION: C2RustUnnamed = 19;
pub const _SC_MEMLOCK_RANGE: C2RustUnnamed = 18;
pub const _SC_MEMLOCK: C2RustUnnamed = 17;
pub const _SC_MAPPED_FILES: C2RustUnnamed = 16;
pub const _SC_FSYNC: C2RustUnnamed = 15;
pub const _SC_SYNCHRONIZED_IO: C2RustUnnamed = 14;
pub const _SC_PRIORITIZED_IO: C2RustUnnamed = 13;
pub const _SC_ASYNCHRONOUS_IO: C2RustUnnamed = 12;
pub const _SC_TIMERS: C2RustUnnamed = 11;
pub const _SC_PRIORITY_SCHEDULING: C2RustUnnamed = 10;
pub const _SC_REALTIME_SIGNALS: C2RustUnnamed = 9;
pub const _SC_SAVED_IDS: C2RustUnnamed = 8;
pub const _SC_JOB_CONTROL: C2RustUnnamed = 7;
pub const _SC_TZNAME_MAX: C2RustUnnamed = 6;
pub const _SC_STREAM_MAX: C2RustUnnamed = 5;
pub const _SC_OPEN_MAX: C2RustUnnamed = 4;
pub const _SC_NGROUPS_MAX: C2RustUnnamed = 3;
pub const _SC_CLK_TCK: C2RustUnnamed = 2;
pub const _SC_CHILD_MAX: C2RustUnnamed = 1;
pub const _SC_ARG_MAX: C2RustUnnamed = 0;
pub const memory_order_relaxed: memory_order = 0;
pub type memory_order = libc::c_uint;
pub const memory_order_seq_cst: memory_order = 5;
pub const memory_order_acq_rel: memory_order = 4;
pub const memory_order_release: memory_order = 3;
pub const memory_order_acquire: memory_order = 2;
pub const memory_order_consume: memory_order = 1;
#[no_mangle]
pub unsafe extern "C" fn zlibc_free(mut ptr: *mut libc::c_void) {
    free(ptr);
}
static mut used_memory: size_t = 0 as libc::c_int as libc::c_ulong;
unsafe extern "C" fn zmalloc_default_oom(mut size: size_t) {
    fprintf(
        stderr,
        b"zmalloc: Out of memory trying to allocate %zu bytes\n\0" as *const u8
            as *const libc::c_char,
        size,
    );
    fflush(stderr);
    abort();
}
static mut zmalloc_oom_handler: Option::<unsafe extern "C" fn(size_t) -> ()> = unsafe {
    Some(zmalloc_default_oom as unsafe extern "C" fn(size_t) -> ())
};
#[no_mangle]
pub unsafe extern "C" fn ztrymalloc_usable(
    mut size: size_t,
    mut usable: *mut size_t,
) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = je_malloc(
        (if size > 0 as libc::c_int as libc::c_ulong {
            size
        } else {
            core::mem::size_of::<libc::c_long>() as libc::c_ulong
        })
            .wrapping_add(0 as libc::c_int as libc::c_ulong),
    );
    if ptr.is_null() {
        return 0 as *mut libc::c_void;
    }
    size = je_malloc_usable_size(ptr);
    let fresh0 = &mut used_memory;
    let fresh1 = size;
    core::intrinsics::atomic_xadd_relaxed(fresh0, fresh1) + fresh1;
    if !usable.is_null() {
        *usable = size;
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc(mut size: size_t) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = ztrymalloc_usable(size, 0 as *mut size_t);
    if ptr.is_null() {
        zmalloc_oom_handler.expect("non-null function pointer")(size);
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn ztrymalloc(mut size: size_t) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = ztrymalloc_usable(size, 0 as *mut size_t);
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_usable(
    mut size: size_t,
    mut usable: *mut size_t,
) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = ztrymalloc_usable(size, usable);
    if ptr.is_null() {
        zmalloc_oom_handler.expect("non-null function pointer")(size);
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_no_tcache(mut size: size_t) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = je_mallocx(
        size.wrapping_add(0 as libc::c_int as libc::c_ulong),
        (-(1 as libc::c_int) + 2 as libc::c_int) << 8 as libc::c_int,
    );
    if ptr.is_null() {
        zmalloc_oom_handler.expect("non-null function pointer")(size);
    }
    let fresh2 = &mut used_memory;
    let fresh3 = je_malloc_usable_size(ptr);
    core::intrinsics::atomic_xadd_relaxed(fresh2, fresh3) + fresh3;
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zfree_no_tcache(mut ptr: *mut libc::c_void) {
    if ptr.is_null() {
        return;
    }
    let fresh4 = &mut used_memory;
    let fresh5 = je_malloc_usable_size(ptr);
    core::intrinsics::atomic_xsub_relaxed(fresh4, fresh5) - fresh5;
    je_dallocx(ptr, (-(1 as libc::c_int) + 2 as libc::c_int) << 8 as libc::c_int);
}
#[no_mangle]
pub unsafe extern "C" fn ztrycalloc_usable(
    mut size: size_t,
    mut usable: *mut size_t,
) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = je_calloc(
        1 as libc::c_int as size_t,
        (if size > 0 as libc::c_int as libc::c_ulong {
            size
        } else {
            core::mem::size_of::<libc::c_long>() as libc::c_ulong
        })
            .wrapping_add(0 as libc::c_int as libc::c_ulong),
    );
    if ptr.is_null() {
        return 0 as *mut libc::c_void;
    }
    size = je_malloc_usable_size(ptr);
    let fresh6 = &mut used_memory;
    let fresh7 = size;
    core::intrinsics::atomic_xadd_relaxed(fresh6, fresh7) + fresh7;
    if !usable.is_null() {
        *usable = size;
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zcalloc_num(
    mut num: size_t,
    mut size: size_t,
) -> *mut libc::c_void {
    if size == 0 as libc::c_int as libc::c_ulong
        || num > (18446744073709551615 as libc::c_ulong).wrapping_div(size)
    {
        zmalloc_oom_handler
            .expect("non-null function pointer")(18446744073709551615 as libc::c_ulong);
        return 0 as *mut libc::c_void;
    }
    let mut ptr: *mut libc::c_void = ztrycalloc_usable(
        num.wrapping_mul(size),
        0 as *mut size_t,
    );
    if ptr.is_null() {
        zmalloc_oom_handler.expect("non-null function pointer")(num.wrapping_mul(size));
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zcalloc(mut size: size_t) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = ztrycalloc_usable(size, 0 as *mut size_t);
    if ptr.is_null() {
        zmalloc_oom_handler.expect("non-null function pointer")(size);
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn ztrycalloc(mut size: size_t) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = ztrycalloc_usable(size, 0 as *mut size_t);
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zcalloc_usable(
    mut size: size_t,
    mut usable: *mut size_t,
) -> *mut libc::c_void {
    let mut ptr: *mut libc::c_void = ztrycalloc_usable(size, usable);
    if ptr.is_null() {
        zmalloc_oom_handler.expect("non-null function pointer")(size);
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn ztryrealloc_usable(
    mut ptr: *mut libc::c_void,
    mut size: size_t,
    mut usable: *mut size_t,
) -> *mut libc::c_void {
    let mut oldsize: size_t = 0;
    let mut newptr: *mut libc::c_void = 0 as *mut libc::c_void;
    if size == 0 as libc::c_int as libc::c_ulong && !ptr.is_null() {
        zfree(ptr);
        if !usable.is_null() {
            *usable = 0 as libc::c_int as size_t;
        }
        return 0 as *mut libc::c_void;
    }
    if ptr.is_null() {
        return ztrymalloc_usable(size, usable);
    }
    oldsize = je_malloc_usable_size(ptr);
    newptr = je_realloc(ptr, size);
    if newptr.is_null() {
        if !usable.is_null() {
            *usable = 0 as libc::c_int as size_t;
        }
        return 0 as *mut libc::c_void;
    }
    let fresh8 = &mut used_memory;
    let fresh9 = oldsize;
    core::intrinsics::atomic_xsub_relaxed(fresh8, fresh9) - fresh9;
    size = je_malloc_usable_size(newptr);
    let fresh10 = &mut used_memory;
    let fresh11 = size;
    core::intrinsics::atomic_xadd_relaxed(fresh10, fresh11) + fresh11;
    if !usable.is_null() {
        *usable = size;
    }
    return newptr;
}
#[no_mangle]
pub unsafe extern "C" fn zrealloc(
    mut ptr: *mut libc::c_void,
    mut size: size_t,
) -> *mut libc::c_void {
    ptr = ztryrealloc_usable(ptr, size, 0 as *mut size_t);
    if ptr.is_null() && size != 0 as libc::c_int as libc::c_ulong {
        zmalloc_oom_handler.expect("non-null function pointer")(size);
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn ztryrealloc(
    mut ptr: *mut libc::c_void,
    mut size: size_t,
) -> *mut libc::c_void {
    ptr = ztryrealloc_usable(ptr, size, 0 as *mut size_t);
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zrealloc_usable(
    mut ptr: *mut libc::c_void,
    mut size: size_t,
    mut usable: *mut size_t,
) -> *mut libc::c_void {
    ptr = ztryrealloc_usable(ptr, size, usable);
    if ptr.is_null() && size != 0 as libc::c_int as libc::c_ulong {
        zmalloc_oom_handler.expect("non-null function pointer")(size);
    }
    return ptr;
}
#[no_mangle]
pub unsafe extern "C" fn zfree(mut ptr: *mut libc::c_void) {
    if ptr.is_null() {
        return;
    }
    let fresh12 = &mut used_memory;
    let fresh13 = je_malloc_usable_size(ptr);
    core::intrinsics::atomic_xsub_relaxed(fresh12, fresh13) - fresh13;
    je_free(ptr);
}
#[no_mangle]
pub unsafe extern "C" fn zfree_usable(
    mut ptr: *mut libc::c_void,
    mut usable: *mut size_t,
) {
    if ptr.is_null() {
        return;
    }
    *usable = je_malloc_usable_size(ptr);
    let fresh14 = &mut used_memory;
    let fresh15 = *usable;
    core::intrinsics::atomic_xsub_relaxed(fresh14, fresh15) - fresh15;
    je_free(ptr);
}
#[no_mangle]
pub unsafe extern "C" fn zstrdup(mut s: *const libc::c_char) -> *mut libc::c_char {
    let mut l: size_t = (strlen(s)).wrapping_add(1 as libc::c_int as libc::c_ulong);
    let mut p: *mut libc::c_char = zmalloc(l) as *mut libc::c_char;
    memcpy(p as *mut libc::c_void, s as *const libc::c_void, l);
    return p;
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_used_memory() -> size_t {
    let mut um: size_t = 0;
    um = core::intrinsics::atomic_load_relaxed(&mut used_memory);
    return um;
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_set_oom_handler(
    mut oom_handler: Option::<unsafe extern "C" fn(size_t) -> ()>,
) {
    zmalloc_oom_handler = oom_handler;
}
#[no_mangle]
pub unsafe extern "C" fn zmadvise_dontneed(mut ptr: *mut libc::c_void) {
    static mut page_size: size_t = 0 as libc::c_int as size_t;
    if page_size == 0 as libc::c_int as libc::c_ulong {
        page_size = sysconf(_SC_PAGESIZE as libc::c_int) as size_t;
    }
    let mut page_size_mask: size_t = page_size
        .wrapping_sub(1 as libc::c_int as libc::c_ulong);
    let mut real_size: size_t = je_malloc_usable_size(ptr);
    if real_size < page_size {
        return;
    }
    let mut aligned_ptr: *mut libc::c_char = ((ptr as size_t)
        .wrapping_add(page_size_mask) & !page_size_mask) as *mut libc::c_char;
    real_size = (real_size as libc::c_ulong)
        .wrapping_sub(
            aligned_ptr.offset_from(ptr as *mut libc::c_char) as libc::c_long
                as libc::c_ulong,
        ) as size_t as size_t;
    if real_size >= page_size {
        madvise(
            aligned_ptr as *mut libc::c_void,
            real_size & !page_size_mask,
            4 as libc::c_int,
        );
    }
}
#[no_mangle]
pub unsafe extern "C" fn get_proc_stat_ll(
    mut i: libc::c_int,
    mut res: *mut libc::c_longlong,
) -> libc::c_int {
    let mut buf: [libc::c_char; 4096] = [0; 4096];
    let mut fd: libc::c_int = 0;
    let mut l: libc::c_int = 0;
    let mut p: *mut libc::c_char = 0 as *mut libc::c_char;
    let mut x: *mut libc::c_char = 0 as *mut libc::c_char;
    fd = open(
        b"/proc/self/stat\0" as *const u8 as *const libc::c_char,
        0 as libc::c_int,
    );
    if fd == -(1 as libc::c_int) {
        return 0 as libc::c_int;
    }
    l = read(
        fd,
        buf.as_mut_ptr() as *mut libc::c_void,
        (core::mem::size_of::<[libc::c_char; 4096]>() as libc::c_ulong)
            .wrapping_sub(1 as libc::c_int as libc::c_ulong),
    ) as libc::c_int;
    if l <= 0 as libc::c_int {
        close(fd);
        return 0 as libc::c_int;
    }
    close(fd);
    buf[l as usize] = '\0' as i32 as libc::c_char;
    if buf[(l - 1 as libc::c_int) as usize] as libc::c_int == '\n' as i32 {
        buf[(l - 1 as libc::c_int) as usize] = '\0' as i32 as libc::c_char;
    }
    p = strrchr(buf.as_mut_ptr(), ')' as i32);
    if p.is_null() {
        return 0 as libc::c_int;
    }
    p = p.offset(1);
    while *p as libc::c_int == ' ' as i32 {
        p = p.offset(1);
    }
    if *p as libc::c_int == '\0' as i32 {
        return 0 as libc::c_int;
    }
    i -= 3 as libc::c_int;
    if i < 0 as libc::c_int {
        return 0 as libc::c_int;
    }
    while !p.is_null()
        && {
            let fresh16 = i;
            i = i - 1;
            fresh16 != 0
        }
    {
        p = strchr(p, ' ' as i32);
        if !p.is_null() {
            p = p.offset(1);
        } else {
            return 0 as libc::c_int
        }
    }
    x = strchr(p, ' ' as i32);
    if !x.is_null() {
        *x = '\0' as i32 as libc::c_char;
    }
    *res = strtoll(p, &mut x, 10 as libc::c_int);
    if *x as libc::c_int != '\0' as i32 {
        return 0 as libc::c_int;
    }
    return 1 as libc::c_int;
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_get_rss() -> size_t {
    let mut page: libc::c_int = sysconf(_SC_PAGESIZE as libc::c_int) as libc::c_int;
    let mut rss: libc::c_longlong = 0;
    if get_proc_stat_ll(24 as libc::c_int, &mut rss) == 0 {
        return 0 as libc::c_int as size_t;
    }
    rss *= page as libc::c_longlong;
    return rss as size_t;
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_get_allocator_info(
    mut allocated: *mut size_t,
    mut active: *mut size_t,
    mut resident: *mut size_t,
) -> libc::c_int {
    let mut epoch: uint64_t = 1 as libc::c_int as uint64_t;
    let mut sz: size_t = 0;
    *active = 0 as libc::c_int as size_t;
    *resident = *active;
    *allocated = *resident;
    sz = core::mem::size_of::<uint64_t>() as libc::c_ulong;
    je_mallctl(
        b"epoch\0" as *const u8 as *const libc::c_char,
        &mut epoch as *mut uint64_t as *mut libc::c_void,
        &mut sz,
        &mut epoch as *mut uint64_t as *mut libc::c_void,
        sz,
    );
    sz = core::mem::size_of::<size_t>() as libc::c_ulong;
    je_mallctl(
        b"stats.resident\0" as *const u8 as *const libc::c_char,
        resident as *mut libc::c_void,
        &mut sz,
        0 as *mut libc::c_void,
        0 as libc::c_int as size_t,
    );
    je_mallctl(
        b"stats.active\0" as *const u8 as *const libc::c_char,
        active as *mut libc::c_void,
        &mut sz,
        0 as *mut libc::c_void,
        0 as libc::c_int as size_t,
    );
    je_mallctl(
        b"stats.allocated\0" as *const u8 as *const libc::c_char,
        allocated as *mut libc::c_void,
        &mut sz,
        0 as *mut libc::c_void,
        0 as libc::c_int as size_t,
    );
    return 1 as libc::c_int;
}
#[no_mangle]
pub unsafe extern "C" fn set_jemalloc_bg_thread(mut enable: libc::c_int) {
    let mut val: libc::c_char = (enable != 0) as libc::c_int as libc::c_char;
    je_mallctl(
        b"background_thread\0" as *const u8 as *const libc::c_char,
        0 as *mut libc::c_void,
        0 as *mut size_t,
        &mut val as *mut libc::c_char as *mut libc::c_void,
        1 as libc::c_int as size_t,
    );
}
#[no_mangle]
pub unsafe extern "C" fn jemalloc_purge() -> libc::c_int {
    let mut tmp: [libc::c_char; 32] = [0; 32];
    let mut narenas: libc::c_uint = 0 as libc::c_int as libc::c_uint;
    let mut sz: size_t = core::mem::size_of::<libc::c_uint>() as libc::c_ulong;
    if je_mallctl(
        b"arenas.narenas\0" as *const u8 as *const libc::c_char,
        &mut narenas as *mut libc::c_uint as *mut libc::c_void,
        &mut sz,
        0 as *mut libc::c_void,
        0 as libc::c_int as size_t,
    ) == 0
    {
        sprintf(
            tmp.as_mut_ptr(),
            b"arena.%d.purge\0" as *const u8 as *const libc::c_char,
            narenas,
        );
        if je_mallctl(
            tmp.as_mut_ptr(),
            0 as *mut libc::c_void,
            0 as *mut size_t,
            0 as *mut libc::c_void,
            0 as libc::c_int as size_t,
        ) == 0
        {
            return 0 as libc::c_int;
        }
    }
    return -(1 as libc::c_int);
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_get_smap_bytes_by_field(
    mut field: *mut libc::c_char,
    mut pid: libc::c_long,
) -> size_t {
    let mut line: [libc::c_char; 1024] = [0; 1024];
    let mut bytes: size_t = 0 as libc::c_int as size_t;
    let mut flen: libc::c_int = strlen(field) as libc::c_int;
    let mut fp: *mut FILE = 0 as *mut FILE;
    if pid == -(1 as libc::c_int) as libc::c_long {
        fp = fopen(
            b"/proc/self/smaps\0" as *const u8 as *const libc::c_char,
            b"r\0" as *const u8 as *const libc::c_char,
        );
    } else {
        let mut filename: [libc::c_char; 128] = [0; 128];
        snprintf(
            filename.as_mut_ptr(),
            core::mem::size_of::<[libc::c_char; 128]>() as libc::c_ulong,
            b"/proc/%ld/smaps\0" as *const u8 as *const libc::c_char,
            pid,
        );
        fp = fopen(filename.as_mut_ptr(), b"r\0" as *const u8 as *const libc::c_char);
    }
    if fp.is_null() {
        return 0 as libc::c_int as size_t;
    }
    while !(fgets(
        line.as_mut_ptr(),
        core::mem::size_of::<[libc::c_char; 1024]>() as libc::c_ulong as libc::c_int,
        fp,
    ))
        .is_null()
    {
        if strncmp(line.as_mut_ptr(), field, flen as libc::c_ulong) == 0 as libc::c_int {
            let mut p: *mut libc::c_char = strchr(line.as_mut_ptr(), 'k' as i32);
            if !p.is_null() {
                *p = '\0' as i32 as libc::c_char;
                bytes = (bytes as libc::c_ulong)
                    .wrapping_add(
                        (strtol(
                            line.as_mut_ptr().offset(flen as isize),
                            0 as *mut *mut libc::c_char,
                            10 as libc::c_int,
                        ) * 1024 as libc::c_int as libc::c_long) as libc::c_ulong,
                    ) as size_t as size_t;
            }
        }
    }
    fclose(fp);
    return bytes;
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_get_private_dirty(mut pid: libc::c_long) -> size_t {
    return zmalloc_get_smap_bytes_by_field(
        b"Private_Dirty:\0" as *const u8 as *const libc::c_char as *mut libc::c_char,
        pid,
    );
}
#[no_mangle]
pub unsafe extern "C" fn zmalloc_get_memory_size() -> size_t {
    return (sysconf(_SC_PHYS_PAGES as libc::c_int) as size_t)
        .wrapping_mul(sysconf(_SC_PAGESIZE as libc::c_int) as size_t);
}