diff options
Diffstat (limited to 'libf2c/libI77/close.c')
-rw-r--r-- | libf2c/libI77/close.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/libf2c/libI77/close.c b/libf2c/libI77/close.c new file mode 100644 index 0000000..769c569 --- /dev/null +++ b/libf2c/libI77/close.c @@ -0,0 +1,101 @@ +#include "config.h" +#include "f2c.h" +#include "fio.h" + +#undef abs +#undef min +#undef max +#include <stdlib.h> +#ifdef NON_UNIX_STDIO +#ifndef unlink +#define unlink remove +#endif +#else +#if defined (MSDOS) && !defined (GO32) +#include "io.h" +#else +extern int unlink (const char *); +#endif +#endif + +integer +f_clos (cllist * a) +{ + unit *b; + + if (f__init & 2) + f__fatal (131, "I/O recursion"); + if (a->cunit >= MXUNIT) + return (0); + b = &f__units[a->cunit]; + if (b->ufd == NULL) + goto done; + if (b->uscrtch == 1) + goto Delete; + if (!a->csta) + goto Keep; + switch (*a->csta) + { + default: + Keep: + case 'k': + case 'K': + if (b->uwrt == 1) + t_runc ((alist *) a); + if (b->ufnm) + { + fclose (b->ufd); + free (b->ufnm); + } + break; + case 'd': + case 'D': + Delete: + fclose (b->ufd); + if (b->ufnm) + { + unlink (b->ufnm); + /*SYSDEP*/ free (b->ufnm); + } + } + b->ufd = NULL; +done: + b->uend = 0; + b->ufnm = NULL; + return (0); +} + +void +f_exit (void) +{ + int i; + static cllist xx; + if (!(f__init & 1)) + return; /* Not initialized, so no open units. */ + /* I/O no longer in progress. If, during an I/O operation (such + as waiting for the user to enter a line), there is an + interrupt (such as ^C to stop the program on a UNIX system), + f_exit() is called, but there is no longer any I/O in + progress. Without turning off this flag, f_clos() would + think that there is an I/O recursion in this circumstance. */ + f__init &= ~2; + if (!xx.cerr) + { + xx.cerr = 1; + xx.csta = NULL; + for (i = 0; i < MXUNIT; i++) + { + xx.cunit = i; + (void) f_clos (&xx); + } + } +} +int +G77_flush_0 (void) +{ + int i; + for (i = 0; i < MXUNIT; i++) + if (f__units[i].ufd != NULL && f__units[i].uwrt) + fflush (f__units[i].ufd); + return 0; +} |