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#include <config.h>
#include <X11/Xos.h>
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <stdio.h>
#include "DviP.h"
#include "lex.h"
int
DviGetAndPut(DviWidget dw, int *cp)
{
if (dw->dvi.ungot) {
dw->dvi.ungot = 0;
*cp = getc (dw->dvi.file);
}
else {
*cp = getc (dw->dvi.file);
if (*cp != EOF)
putc (*cp, dw->dvi.tmpFile);
}
return *cp;
}
char *
GetLine(DviWidget dw, char *Buffer, int Length)
{
int i = 0, c;
Length--; /* Save room for final '\0' */
while (DviGetC (dw, &c) != EOF) {
if (Buffer && i < Length)
Buffer[i++] = c;
if (c == '\n') {
DviUngetC(dw, c);
break;
}
}
if (Buffer)
Buffer[i] = '\0';
return Buffer;
}
char *
GetWord(DviWidget dw, char *Buffer, int Length)
{
int i = 0, c;
Length--; /* Save room for final '\0' */
while (DviGetC(dw, &c) == ' ' || c == '\n')
;
while (c != EOF) {
if (Buffer && i < Length)
Buffer[i++] = c;
if (DviGetC(dw, &c) == ' ' || c == '\n') {
DviUngetC(dw, c);
break;
}
}
if (Buffer)
Buffer[i] = '\0';
return Buffer;
}
int
GetNumber(DviWidget dw)
{
int i = 0, c;
int negative = 0;
while (DviGetC(dw, &c) == ' ' || c == '\n')
;
if (c == '-') {
negative = 1;
DviGetC(dw, &c);
}
for (; c >= '0' && c <= '9'; DviGetC(dw, &c)) {
if (negative)
i = i*10 - (c - '0');
else
i = i*10 + c - '0';
}
if (c != EOF)
DviUngetC(dw, c);
return i;
}
/*
Local Variables:
c-indent-level: 8
c-continued-statement-offset: 8
c-brace-offset: -8
c-argdecl-indent: 8
c-label-offset: -8
c-tab-always-indent: nil
End:
*/
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