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authorJeff Law <law@gcc.gnu.org>1998-01-31 18:37:08 -0700
committerJeff Law <law@gcc.gnu.org>1998-01-31 18:37:08 -0700
commit81fea2b1d147752f431b46c08f4c12a18a2d78bc (patch)
tree4b30cdf598ee6a8b24903fba52bb3e0c06bf459b /libf2c/libI77/rsfe.c
parent0dfb6849ef1d4c8b5bf178d7add69ab297fab8fa (diff)
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* Previous contents of gcc/f/runtime moved into toplevel
"libf2c" directory. From-SVN: r17568
Diffstat (limited to 'libf2c/libI77/rsfe.c')
-rw-r--r--libf2c/libI77/rsfe.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/libf2c/libI77/rsfe.c b/libf2c/libI77/rsfe.c
new file mode 100644
index 0000000..02a9e6d
--- /dev/null
+++ b/libf2c/libI77/rsfe.c
@@ -0,0 +1,80 @@
+/* read sequential formatted external */
+#include "f2c.h"
+#include "fio.h"
+#include "fmt.h"
+
+xrd_SL(Void)
+{ int ch;
+ if(!f__curunit->uend)
+ while((ch=getc(f__cf))!='\n')
+ if (ch == EOF) {
+ f__curunit->uend = 1;
+ break;
+ }
+ f__cursor=f__recpos=0;
+ return(1);
+}
+x_getc(Void)
+{ int ch;
+ if(f__curunit->uend) return(EOF);
+ ch = getc(f__cf);
+ if(ch!=EOF && ch!='\n')
+ { f__recpos++;
+ return(ch);
+ }
+ if(ch=='\n')
+ { (void) ungetc(ch,f__cf);
+ return(ch);
+ }
+ if(f__curunit->uend || feof(f__cf))
+ { errno=0;
+ f__curunit->uend=1;
+ return(-1);
+ }
+ return(-1);
+}
+x_endp(Void)
+{
+ xrd_SL();
+ return f__curunit->uend == 1 ? EOF : 0;
+}
+x_rev(Void)
+{
+ (void) xrd_SL();
+ return(0);
+}
+#ifdef KR_headers
+integer s_rsfe(a) cilist *a; /* start */
+#else
+integer s_rsfe(cilist *a) /* start */
+#endif
+{ int n;
+ if(f__init != 1) f_init();
+ f__init = 3;
+ if(n=c_sfe(a)) return(n);
+ f__reading=1;
+ f__sequential=1;
+ f__formatted=1;
+ f__external=1;
+ f__elist=a;
+ f__cursor=f__recpos=0;
+ f__scale=0;
+ f__fmtbuf=a->cifmt;
+ f__curunit= &f__units[a->ciunit];
+ f__cf=f__curunit->ufd;
+ if(pars_f(f__fmtbuf)<0) err(a->cierr,100,"startio");
+ f__getn= x_getc;
+ f__doed= rd_ed;
+ f__doned= rd_ned;
+ fmt_bg();
+ f__doend=x_endp;
+ f__donewrec=xrd_SL;
+ f__dorevert=x_rev;
+ f__cblank=f__curunit->ublnk;
+ f__cplus=0;
+ if(f__curunit->uwrt && f__nowreading(f__curunit))
+ err(a->cierr,errno,"read start");
+ if(f__curunit->uend)
+ err(f__elist->ciend,(EOF),"read start");
+ return(0);
+}