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Matheus
39 lines
611 B
C
39 lines
611 B
C
#include <kernel/syscalls.h>
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#include <sys/stat.h>
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#include <kernel/fd.h>
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#include <arch/cls.h>
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#include <kernel/vfs.h>
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#include <arch/spinlock.h>
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#include <string.h>
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syscallret syscall_fstat(int ifd, stat* st){
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syscallret retv;
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retv.ret = -1;
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if(st > USER_SPACE_END){
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retv.errno = EFAULT;
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return retv;
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}
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proc_t* proc = arch_getcls()->thread->proc;
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fd_t* fd;
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int err = fd_access(&proc->fdtable, &fd, ifd);
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if(err){
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retv.errno = err;
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return retv;
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}
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memcpy(st, &fd->node->st, sizeof(stat)); // XXX user memcpy
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fd_release(fd);
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retv.errno = 0;
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retv.ret = 0;
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return retv;
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}
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