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kvisc/ka/crt/str/strcpy.k
julianb0 47b2677430
rep
2019-06-16 21:17:56 +02:00

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; The OS/K Team licenses this file to you under the MIT license.
; See the LICENSE file in the project root for more information.
;
; void strcpy(char *, const char *)
;
strcpy:
mov ax2, STRLEN_MAX
jmp strncpy
;
; void strncpy(char *, const char *, int)
;
strncpy:
mov rcx, ax2
ret.cxz
movsb.rep.nz ax0, ax1
ret
;
; void strnzcpy(char *, const char *, int)
;
strnzcpy:
mov rcx, ax2
ret.cxz
dec rcx
jmp.cxz .1
movsb.rep.nz ax0, ax1
.1:
mov b[ax0], 0
ret