comparison lib/alib/strncpy.a @ 2474:7d70b7e1cb21

Moved net and alib files into here
author boisy
date Tue, 30 Mar 2010 02:44:42 +0000
parents
children aaba193af04f
comparison
equal deleted inserted replaced
2473:dac1ff96637f 2474:7d70b7e1cb21
1 **********************************
2
3 * STRNCPY: copy N bytes of a null terminated string
4 * User must ensure there is room in buffer!!!
5 * If N>string length only N bytes will be moved
6
7 * OTHER MODULES NEEDED: STRLEN, MEMMOVE
8
9 * ENTRY: X=start of string to move
10 * Y=buffer for copy of string
11
12 * EXIT: D = actual number of bytes moved
13 * all other regs preserved (except cc)
14
15
16 nam Copy partial String
17 ttl Assembler Library Module
18
19
20 psect STRNCPY,0,0,0,0,0
21
22 STRNCPY:
23 pshs d bytes wanted to move
24 lbsr STRLEN find length of string
25 addd #1 move NULL also
26 cmpd ,s get smaller of passed/actual size
27 bls skip use actual leng
28 ldd ,s use passed leng²²
29 skip
30 lbsr MEMMOVE move it
31 leas 2,s
32 rts
33
34 endsect
35
36