// File: /workspace/github_c_makefile_star2_O2/zhou-lab[P]tbmate/htslib/hts.c
// Function: test_and_fetch
static char *test_and_fetch(const char *fn)
{
    FILE *fp;
    if (hisremote(fn)) {
        const int buf_size = 1 * 1024 * 1024;
        hFILE *fp_remote;
        uint8_t *buf;
        int l;
        const char *p;
        for (p = fn + strlen(fn) - 1; p >= fn; --p)
            if (*p == '/') break;
        ++p; // p now points to the local file name
        // Attempt to open local file first
        if ((fp = fopen((char*)p, "rb")) != 0)
        {
            fclose(fp);
            return (char*)p;
        }
        // Attempt to open remote file. Stay quiet on failure, it is OK to fail when trying first .csi then .tbi index.
        if ((fp_remote = hopen(fn, "r")) == 0) return 0;
        if ((fp = fopen(p, "w")) == 0) {
            if (hts_verbose >= 1) fprintf(stderr, "[E::%s] fail to create file '%s' in the working directory\n", __func__, p);
            hclose_abruptly(fp_remote);
            return 0;
        }
        if (hts_verbose >= 3) fprintf(stderr, "[M::%s] downloading file '%s' to local directory\n", __func__, fn);
        buf = (uint8_t*)calloc(buf_size, 1);
        while ((l = hread(fp_remote, buf, buf_size)) > 0) fwrite(buf, 1, l, fp);
        free(buf);
        fclose(fp);
        if (hclose(fp_remote) != 0) fprintf(stderr, "[E::%s] fail to close remote file '%s'\n", __func__, fn);
        return (char*)p;
    } else {
        if ((fp = fopen(fn, "rb")) == 0) return 0;
        fclose(fp);
        return (char*)fn;
    }
}

// Assembly:
pushq %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x18, %rsp
movq %rdi, %r14
callq 0x2497d
testl %eax, %eax
je 0xdca7
movq %r14, %rdi
callq 0x3380
addq %r14, %rax
decq %rax
movq %rax, %rbx
cmpq %r14, %rax
jb 0xdc83
leaq -0x1(%rbx), %rax
cmpb $0x2f, (%rbx)
jne 0xdc72
incq %rbx
leaq 0x31b75(%rip), %rsi     # 0x3f802
movq %rbx, %rdi
callq 0x3250
testq %rax, %rax
je 0xdccf
movq %rax, %rdi
callq 0x36d0
jmp 0xddee
leaq 0x31b54(%rip), %rsi     # 0x3f802
movq %r14, %rdi
callq 0x3250
testq %rax, %rax
je 0xddec
movq %rax, %rdi
callq 0x36d0
movq %r14, %rbx
jmp 0xddee
leaq 0x352a3(%rip), %rsi     # 0x42f79
movq %r14, %rdi
callq 0x2460c
testq %rax, %rax
je 0xddec
movq %rax, %r15
leaq 0x313c7(%rip), %rsi     # 0x3f0b8
movq %rbx, %rdi
callq 0x3250
movl 0x45791(%rip), %ecx     # 0x53490
movq %rax, 0x8(%rsp)
testq %rax, %rax
je 0xdde0
cmpl $0x3, %ecx
jge 0xde00
movq %r14, 0x10(%rsp)
pushq $0x1
popq %rsi
movl $0x100000, %edi         # imm = 0x100000
callq 0x36b0
movq %rax, %rbp
movq 0x8(%r15), %r12
movq 0x10(%r15), %r14
subq %r12, %r14
movl $0x100000, %eax         # imm = 0x100000
cmpq %rax, %r14
movl $0x100000, %r13d        # imm = 0x100000
cmovbq %r14, %r13
movq %rbp, %rdi
movq %r12, %rsi
movq %r13, %rdx
callq 0x3860
addq %r13, %r12
movq %r12, 0x8(%r15)
movl $0x100000, %eax         # imm = 0x100000
cmpq $0xfffff, %r14          # imm = 0xFFFFF
ja 0xdd82
movl $0x100000, %edx         # imm = 0x100000
movq %r15, %rdi
movq %rbp, %rsi
movq %r13, %rcx
callq 0x23fcb
testl %eax, %eax
jle 0xdd9c
andl $0x7fffffff, %eax       # imm = 0x7FFFFFFF
movq %rbp, %rdi
pushq $0x1
popq %rsi
movq %rax, %rdx
movq 0x8(%rsp), %rcx
callq 0x3780
jmp 0xdd2b
movq %rbp, %rdi
callq 0x3370
movq 0x8(%rsp), %rdi
callq 0x36d0
movq %r15, %rdi
callq 0x242a6
testl %eax, %eax
je 0xddee
movq 0x45227(%rip), %rax     # 0x52fe8
movq (%rax), %rdi
leaq 0x32a17(%rip), %rsi     # 0x407e2
leaq 0x329cf(%rip), %rdx     # 0x407a1
movq 0x10(%rsp), %rcx
xorl %eax, %eax
callq 0x37f0
jmp 0xddee
testl %ecx, %ecx
jg 0xde27
movq %r15, %rdi
callq 0x242fe
xorl %ebx, %ebx
movq %rbx, %rax
addq $0x18, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
movq 0x451e1(%rip), %rax     # 0x52fe8
movq (%rax), %rdi
leaq 0x3299f(%rip), %rsi     # 0x407b0
leaq 0x32989(%rip), %rdx     # 0x407a1
movq %r14, %rcx
xorl %eax, %eax
callq 0x37f0
jmp 0xdd16
movq 0x451ba(%rip), %rax     # 0x52fe8
movq (%rax), %rdi
leaq 0x3292e(%rip), %rsi     # 0x40766
leaq 0x32962(%rip), %rdx     # 0x407a1
movq %rbx, %rcx
xorl %eax, %eax
callq 0x37f0
jmp 0xdde4