diff options
author | Marc Espie <espie@cvs.openbsd.org> | 1999-05-26 13:38:57 +0000 |
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committer | Marc Espie <espie@cvs.openbsd.org> | 1999-05-26 13:38:57 +0000 |
commit | 0126e157b87f137fc08dc7f46f6c291b9d06ac5d (patch) | |
tree | f8555e3e504eb82b4cd3cba5cec20ae4ce8124ff /gnu/egcs/libf2c/libI77/sue.c | |
parent | ff8e9a4356e55ed142306c3a375fa280800abc86 (diff) |
egcs projects compiler system
Exact copy of the snapshot, except for the removal of
texinfo/
gcc/ch/
libchill/
Diffstat (limited to 'gnu/egcs/libf2c/libI77/sue.c')
-rw-r--r-- | gnu/egcs/libf2c/libI77/sue.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/gnu/egcs/libf2c/libI77/sue.c b/gnu/egcs/libf2c/libI77/sue.c new file mode 100644 index 00000000000..eacb1d69b01 --- /dev/null +++ b/gnu/egcs/libf2c/libI77/sue.c @@ -0,0 +1,87 @@ +#include "f2c.h" +#include "fio.h" +extern uiolen f__reclen; +long f__recloc; + +#ifdef KR_headers +c_sue(a) cilist *a; +#else +c_sue(cilist *a) +#endif +{ + f__external=f__sequential=1; + f__formatted=0; + f__curunit = &f__units[a->ciunit]; + if(a->ciunit >= MXUNIT || a->ciunit < 0) + err(a->cierr,101,"startio"); + f__elist=a; + if(f__curunit->ufd==NULL && fk_open(SEQ,UNF,a->ciunit)) + err(a->cierr,114,"sue"); + f__cf=f__curunit->ufd; + if(f__curunit->ufmt) err(a->cierr,103,"sue"); + if(!f__curunit->useek) err(a->cierr,103,"sue"); + return(0); +} +#ifdef KR_headers +integer s_rsue(a) cilist *a; +#else +integer s_rsue(cilist *a) +#endif +{ + int n; + if(f__init != 1) f_init(); + f__init = 3; + f__reading=1; + if(n=c_sue(a)) return(n); + f__recpos=0; + if(f__curunit->uwrt && f__nowreading(f__curunit)) + err(a->cierr, errno, "read start"); + if(fread((char *)&f__reclen,sizeof(uiolen),1,f__cf) + != 1) + { if(feof(f__cf)) + { f__curunit->uend = 1; + err(a->ciend, EOF, "start"); + } + clearerr(f__cf); + err(a->cierr, errno, "start"); + } + return(0); +} +#ifdef KR_headers +integer s_wsue(a) cilist *a; +#else +integer s_wsue(cilist *a) +#endif +{ + int n; + if(f__init != 1) f_init(); + f__init = 3; + if(n=c_sue(a)) return(n); + f__reading=0; + f__reclen=0; + if(f__curunit->uwrt != 1 && f__nowwriting(f__curunit)) + err(a->cierr, errno, "write start"); + f__recloc=ftell(f__cf); + (void) fseek(f__cf,(long)sizeof(uiolen),SEEK_CUR); + return(0); +} +integer e_wsue(Void) +{ long loc; + f__init = 1; + fwrite((char *)&f__reclen,sizeof(uiolen),1,f__cf); +#ifdef ALWAYS_FLUSH + if (fflush(f__cf)) + err(f__elist->cierr, errno, "write end"); +#endif + loc=ftell(f__cf); + fseek(f__cf,f__recloc,SEEK_SET); + fwrite((char *)&f__reclen,sizeof(uiolen),1,f__cf); + fseek(f__cf,loc,SEEK_SET); + return(0); +} +integer e_rsue(Void) +{ + f__init = 1; + (void) fseek(f__cf,(long)(f__reclen-f__recpos+sizeof(uiolen)),SEEK_CUR); + return(0); +} |