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40 lines
778 B
C
40 lines
778 B
C
/* File : strcend.c
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Author : Michael Widenius: ifdef MC68000
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Updated: 20 April 1984
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Defines: strcend()
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strcend(s, c) returns a pointer to the first place in s where c
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occurs, or a pointer to the end-null of s if c does not occur in s.
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*/
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#include <global.h>
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#include "m_string.h"
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#if defined(MC68000) && defined(DS90)
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char *strcend(const char *s, pchar c)
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{
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asm(" movl 4(a7),a0 ");
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asm(" movl 8(a7),d1 ");
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asm(".L2: movb (a0)+,d0 ");
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asm(" cmpb d0,d1 ");
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asm(" beq .L1 ");
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asm(" tstb d0 ");
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asm(" bne .L2 ");
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asm(".L1: movl a0,d0 ");
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asm(" subql #1,d0 ");
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}
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#else
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char *strcend(register const char *s, register pchar c)
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{
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for (;;)
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{
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if (*s == (char) c) return (char*) s;
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if (!*s++) return (char*) s-1;
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}
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}
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#endif
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