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Matheus
30 lines
617 B
C
30 lines
617 B
C
#include <kernel/devman.h>
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#include <errno.h>
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#include <string.h>
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#include <arch/panic.h>
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static int read(int* error, int minor, void* buff, size_t count, size_t offset){
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*error = 0;
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memset(buff, 0, count);
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return count;
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}
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static int write(int* error, int minor, void* buff, size_t count, size_t offset){
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*error = 0;
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return count;
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}
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static int isseekable(int minor, size_t* max){
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*max = ~(size_t)0;
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return 0;
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}
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static devcalls calls = {
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read, write, NULL, isseekable
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};
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void zerodev_init(){
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if(devman_newdevice("zero", TYPE_CHARDEV, MAJOR_ZERO, 0, &calls)){
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_panic("/dev/zero init failed", NULL);
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}
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}
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