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|
1.1 root 1: /*
2: * close.c - f77 file close, flush, exit routines
3: */
4:
5: #include "fio.h"
6:
7: #define FROM_OPEN '\1'
8:
9: f_clos(a) cllist *a;
10: { unit *b;
11: lfname = NULL;
12: elist = NO;
13: external = YES;
14: errflag = a->cerr;
15: lunit = a->cunit;
16: if(not_legal(lunit)) err(errflag,101,"close");
17: if(lunit==STDERR && (!a->csta || *a->csta != FROM_OPEN))
18: err(errflag,101,"can't close stderr");
19: b= &units[lunit];
20: if(!b->ufd) err(errflag,114,"close");
21: if(a->csta)
22: switch(lcase(*a->csta))
23: {
24: delete:
25: case 'd':
26: fclose(b->ufd);
27: if(b->ufnm) unlink(b->ufnm); /*SYSDEP*/
28: break;
29: default:
30: keep:
31: case 'k':
32: if(b->uwrt) t_runc(b,errflag);
33: fclose(b->ufd);
34: break;
35: }
36: else if(b->uscrtch) goto delete;
37: else goto keep;
38: if(b->ufnm) free(b->ufnm);
39: b->ufnm=NULL;
40: b->ufd=NULL;
41: return(OK);
42: }
43:
44: f_exit()
45: {
46: ftnint lu, dofirst = YES;
47: cllist xx;
48: xx.cerr=1;
49: xx.csta=NULL;
50: for(lu=STDOUT; (dofirst || lu!=STDOUT); lu = ++lu % MXUNIT)
51: {
52: xx.cunit=lu;
53: f_clos(&xx);
54: dofirst = NO;
55: }
56: }
57:
58: ftnint
59: flush_(u) ftnint *u;
60: {
61: FILE *F = units[*u].ufd;
62: if(F)
63: return(fflush(F));
64: else
65: return(114);
66: }
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