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33 lines
775 B
C
33 lines
775 B
C
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/*
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* STEVIE - Simply Try this Editor for VI Enthusiasts
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*
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* Code Contributions By : Tim Thompson twitch!tjt
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* Tony Andrews onecom!wldrdg!tony
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* G. R. (Fred) Walter watmath!grwalter
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*/
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#include "stevie.h"
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/*
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* inc(p)
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*
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* Increment the line pointer 'p' crossing line boundaries as necessary. Return
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* 1 when crossing a line, -1 when at end of file, 0 otherwise.
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*/
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int
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inc(LPtr *lp)
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{
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register char *p = &(lp->linep->s[lp->index]);
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if (*p != NUL) { /* still within line */
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lp->index++;
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return ((p[1] != NUL) ? 0 : 1);
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}
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if (lp->linep->next != Fileend->linep) { /* there is a next line */
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lp->index = 0;
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lp->linep = lp->linep->next;
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return 1;
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}
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return -1;
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}
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