| 1 | #include "f2c.h"
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| 2 | #include "fio.h"
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| 3 | #include "fmt.h"
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| 4 | extern char *f__icptr;
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| 5 | char *f__icend;
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| 6 | extern icilist *f__svic;
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| 7 | int f__icnum;
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| 8 | extern int f__hiwater;
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| 9 | int
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| 10 | z_getc (void)
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| 11 | {
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| 12 | if (f__recpos++ < f__svic->icirlen)
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| 13 | {
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| 14 | if (f__icptr >= f__icend)
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| 15 | err (f__svic->iciend, (EOF), "endfile");
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| 16 | return (*(unsigned char *) f__icptr++);
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| 17 | }
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| 18 | return '\n';
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| 19 | }
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| 20 |
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| 21 | void
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| 22 | z_putc (int c)
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| 23 | {
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| 24 | if (f__recpos++ < f__svic->icirlen && f__icptr < f__icend)
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| 25 | *f__icptr++ = c;
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| 26 | }
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| 27 | int
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| 28 | z_rnew (void)
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| 29 | {
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| 30 | f__icptr = f__svic->iciunit + (++f__icnum) * f__svic->icirlen;
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| 31 | f__recpos = 0;
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| 32 | f__cursor = 0;
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| 33 | f__hiwater = 0;
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| 34 | return 1;
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| 35 | }
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| 36 |
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| 37 | static int
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| 38 | z_endp (void)
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| 39 | {
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| 40 | (*f__donewrec) ();
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| 41 | return 0;
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| 42 | }
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| 43 |
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| 44 | int
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| 45 | c_si (icilist * a)
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| 46 | {
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| 47 | if (f__init & 2)
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| 48 | f__fatal (131, "I/O recursion");
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| 49 | f__init |= 2;
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| 50 | f__elist = (cilist *) a;
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| 51 | f__fmtbuf = a->icifmt;
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| 52 | f__curunit = 0;
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| 53 | f__sequential = f__formatted = 1;
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| 54 | f__external = 0;
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| 55 | if (pars_f (f__fmtbuf) < 0)
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| 56 | err (a->icierr, 100, "startint");
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| 57 | fmt_bg ();
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| 58 | f__cblank = f__cplus = f__scale = 0;
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| 59 | f__svic = a;
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| 60 | f__icnum = f__recpos = 0;
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| 61 | f__cursor = 0;
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| 62 | f__hiwater = 0;
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| 63 | f__icptr = a->iciunit;
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| 64 | f__icend = f__icptr + a->icirlen * a->icirnum;
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| 65 | f__cf = 0;
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| 66 | return (0);
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| 67 | }
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| 68 |
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| 69 | int
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| 70 | iw_rev (void)
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| 71 | {
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| 72 | if (f__workdone)
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| 73 | z_endp ();
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| 74 | f__hiwater = f__recpos = f__cursor = 0;
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| 75 | return (f__workdone = 0);
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| 76 | }
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| 77 |
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| 78 | integer
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| 79 | s_rsfi (icilist * a)
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| 80 | {
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| 81 | int n;
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| 82 | if ((n = c_si (a)))
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| 83 | return (n);
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| 84 | f__reading = 1;
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| 85 | f__doed = rd_ed;
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| 86 | f__doned = rd_ned;
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| 87 | f__getn = z_getc;
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| 88 | f__dorevert = z_endp;
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| 89 | f__donewrec = z_rnew;
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| 90 | f__doend = z_endp;
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| 91 | return (0);
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| 92 | }
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| 93 |
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| 94 | int
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| 95 | z_wnew (void)
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| 96 | {
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| 97 | if (f__recpos < f__hiwater)
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| 98 | {
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| 99 | f__icptr += f__hiwater - f__recpos;
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| 100 | f__recpos = f__hiwater;
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| 101 | }
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| 102 | while (f__recpos++ < f__svic->icirlen)
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| 103 | *f__icptr++ = ' ';
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| 104 | f__recpos = 0;
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| 105 | f__cursor = 0;
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| 106 | f__hiwater = 0;
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| 107 | f__icnum++;
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| 108 | return 1;
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| 109 | }
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| 110 |
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| 111 | integer
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| 112 | s_wsfi (icilist * a)
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| 113 | {
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| 114 | int n;
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| 115 | if ((n = c_si (a)))
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| 116 | return (n);
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| 117 | f__reading = 0;
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| 118 | f__doed = w_ed;
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| 119 | f__doned = w_ned;
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| 120 | f__putn = z_putc;
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| 121 | f__dorevert = iw_rev;
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| 122 | f__donewrec = z_wnew;
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| 123 | f__doend = z_endp;
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| 124 | return (0);
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| 125 | }
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| 126 |
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| 127 | integer
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| 128 | e_rsfi (void)
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| 129 | {
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| 130 | int n;
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| 131 | f__init &= ~2;
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| 132 | n = en_fio ();
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| 133 | f__fmtbuf = NULL;
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| 134 | return (n);
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| 135 | }
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| 136 |
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| 137 | integer
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| 138 | e_wsfi (void)
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| 139 | {
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| 140 | int n;
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| 141 | f__init &= ~2;
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| 142 | n = en_fio ();
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| 143 | f__fmtbuf = NULL;
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| 144 | if (f__svic->icirnum != 1
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| 145 | && (f__icnum > f__svic->icirnum
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| 146 | || (f__icnum == f__svic->icirnum && (f__recpos | f__hiwater))))
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| 147 | err (f__svic->icierr, 110, "inwrite");
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| 148 | if (f__recpos < f__hiwater)
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| 149 | f__recpos = f__hiwater;
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| 150 | if (f__recpos >= f__svic->icirlen)
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| 151 | err (f__svic->icierr, 110, "recend");
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| 152 | if (!f__recpos && f__icnum)
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| 153 | return n;
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| 154 | while (f__recpos++ < f__svic->icirlen)
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| 155 | *f__icptr++ = ' ';
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| 156 | return n;
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| 157 | }
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