1 #include <X11/Xos.h>
2 #include <X11/IntrinsicP.h>
3 #include <X11/StringDefs.h>
4 #include <stdio.h>
5 #include "DviP.h"
6
7 int
DviGetAndPut(DviWidget dw,int * cp)8 DviGetAndPut(DviWidget dw, int *cp)
9 {
10 if (dw->dvi.ungot) {
11 dw->dvi.ungot = 0;
12 *cp = getc (dw->dvi.file);
13 }
14 else {
15 *cp = getc (dw->dvi.file);
16 if (*cp != EOF)
17 putc (*cp, dw->dvi.tmpFile);
18 }
19 return *cp;
20 }
21
22 char *
GetLine(DviWidget dw,char * Buffer,int Length)23 GetLine(DviWidget dw, char *Buffer, int Length)
24 {
25 int i = 0, c;
26
27 Length--; /* Save room for final '\0' */
28
29 while (DviGetC (dw, &c) != EOF) {
30 if (Buffer && i < Length)
31 Buffer[i++] = c;
32 if (c == '\n') {
33 DviUngetC(dw, c);
34 break;
35 }
36 }
37 if (Buffer)
38 Buffer[i] = '\0';
39 return Buffer;
40 }
41
42 char *
GetWord(DviWidget dw,char * Buffer,int Length)43 GetWord(DviWidget dw, char *Buffer, int Length)
44 {
45 int i = 0, c;
46
47 Length--; /* Save room for final '\0' */
48 while (DviGetC(dw, &c) == ' ' || c == '\n')
49 ;
50 while (c != EOF) {
51 if (Buffer && i < Length)
52 Buffer[i++] = c;
53 if (DviGetC(dw, &c) == ' ' || c == '\n') {
54 DviUngetC(dw, c);
55 break;
56 }
57 }
58 if (Buffer)
59 Buffer[i] = '\0';
60 return Buffer;
61 }
62
63 int
GetNumber(DviWidget dw)64 GetNumber(DviWidget dw)
65 {
66 int i = 0, c;
67 int negative = 0;
68
69 while (DviGetC(dw, &c) == ' ' || c == '\n')
70 ;
71 if (c == '-') {
72 negative = 1;
73 DviGetC(dw, &c);
74 }
75
76 for (; c >= '0' && c <= '9'; DviGetC(dw, &c)) {
77 if (negative)
78 i = i*10 - (c - '0');
79 else
80 i = i*10 + c - '0';
81 }
82 if (c != EOF)
83 DviUngetC(dw, c);
84 return i;
85 }
86
87 /*
88 Local Variables:
89 c-indent-level: 8
90 c-continued-statement-offset: 8
91 c-brace-offset: -8
92 c-argdecl-indent: 8
93 c-label-offset: -8
94 c-tab-always-indent: nil
95 End:
96 */
97