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authorljo <ljo@FreeBSD.org>1994-10-26 18:15:35 +0000
committerljo <ljo@FreeBSD.org>1994-10-26 18:15:35 +0000
commit80b2e1963004e4ae0173b4f9bc965518ba81d3b0 (patch)
treef59f79382fc6721a367c9c0ee1be96f075718569 /lib/libI77/wsfe.c
downloadFreeBSD-src-80b2e1963004e4ae0173b4f9bc965518ba81d3b0.zip
FreeBSD-src-80b2e1963004e4ae0173b4f9bc965518ba81d3b0.tar.gz
Library for f2c. (part 1 of 2)
Obtained from: netlib.att.com
Diffstat (limited to 'lib/libI77/wsfe.c')
-rw-r--r--lib/libI77/wsfe.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/libI77/wsfe.c b/lib/libI77/wsfe.c
new file mode 100644
index 0000000..7c7f014
--- /dev/null
+++ b/lib/libI77/wsfe.c
@@ -0,0 +1,84 @@
+/*write sequential formatted external*/
+#include "f2c.h"
+#include "fio.h"
+#include "fmt.h"
+extern int f__hiwater;
+
+#ifdef KR_headers
+x_putc(c)
+#else
+x_putc(int c)
+#endif
+{
+ /* this uses \n as an indicator of record-end */
+ if(c == '\n' && f__recpos < f__hiwater) { /* fseek calls fflush, a loss */
+#ifndef NON_UNIX_STDIO
+ if(f__cf->_ptr + f__hiwater - f__recpos < buf_end(f__cf))
+ f__cf->_ptr += f__hiwater - f__recpos;
+ else
+#endif
+ (void) fseek(f__cf, (long)(f__hiwater - f__recpos), SEEK_CUR);
+ }
+#ifdef OMIT_BLANK_CC
+ if (!f__recpos++ && c == ' ')
+ return c;
+#else
+ f__recpos++;
+#endif
+ return putc(c,f__cf);
+}
+x_wSL(Void)
+{
+ (*f__putn)('\n');
+ f__recpos=0;
+ f__cursor = 0;
+ f__hiwater = 0;
+ return(1);
+}
+xw_end(Void)
+{
+ if(f__nonl == 0)
+ (*f__putn)('\n');
+ f__hiwater = f__recpos = f__cursor = 0;
+ return(0);
+}
+xw_rev(Void)
+{
+ if(f__workdone) (*f__putn)('\n');
+ f__hiwater = f__recpos = f__cursor = 0;
+ return(f__workdone=0);
+}
+
+#ifdef KR_headers
+integer s_wsfe(a) cilist *a; /*start*/
+#else
+integer s_wsfe(cilist *a) /*start*/
+#endif
+{ int n;
+ if(!f__init) f_init();
+ if(n=c_sfe(a)) return(n);
+ f__reading=0;
+ f__sequential=1;
+ f__formatted=1;
+ f__external=1;
+ f__elist=a;
+ f__hiwater = f__cursor=f__recpos=0;
+ f__nonl = 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__putn= x_putc;
+ f__doed= w_ed;
+ f__doned= w_ned;
+ f__doend=xw_end;
+ f__dorevert=xw_rev;
+ f__donewrec=x_wSL;
+ fmt_bg();
+ f__cplus=0;
+ f__cblank=f__curunit->ublnk;
+ if(f__curunit->uwrt != 1 && f__nowwriting(f__curunit))
+ err(a->cierr,errno,"write start");
+ return(0);
+}
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