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Diffstat (limited to 'Build/source/utils/pmx/pmx-2.6.17/libf2c/backspac.c')
-rw-r--r--Build/source/utils/pmx/pmx-2.6.17/libf2c/backspac.c76
1 files changed, 0 insertions, 76 deletions
diff --git a/Build/source/utils/pmx/pmx-2.6.17/libf2c/backspac.c b/Build/source/utils/pmx/pmx-2.6.17/libf2c/backspac.c
deleted file mode 100644
index 908a61897aa..00000000000
--- a/Build/source/utils/pmx/pmx-2.6.17/libf2c/backspac.c
+++ /dev/null
@@ -1,76 +0,0 @@
-#include "f2c.h"
-#include "fio.h"
-#ifdef __cplusplus
-extern "C" {
-#endif
-#ifdef KR_headers
-integer f_back(a) alist *a;
-#else
-integer f_back(alist *a)
-#endif
-{ unit *b;
- OFF_T v, w, x, y, z;
- uiolen n;
- FILE *f;
-
- f__curunit = b = &f__units[a->aunit]; /* curunit for error messages */
- if(a->aunit >= MXUNIT || a->aunit < 0)
- err(a->aerr,101,"backspace")
- if(b->useek==0) err(a->aerr,106,"backspace")
- if(b->ufd == NULL) {
- fk_open(1, 1, a->aunit);
- return(0);
- }
- if(b->uend==1)
- { b->uend=0;
- return(0);
- }
- if(b->uwrt) {
- t_runc(a);
- if (f__nowreading(b))
- err(a->aerr,errno,"backspace")
- }
- f = b->ufd; /* may have changed in t_runc() */
- if(b->url>0)
- {
- x=FTELL(f);
- y = x % b->url;
- if(y == 0) x--;
- x /= b->url;
- x *= b->url;
- (void) FSEEK(f,x,SEEK_SET);
- return(0);
- }
-
- if(b->ufmt==0)
- { FSEEK(f,-(OFF_T)sizeof(uiolen),SEEK_CUR);
- fread((char *)&n,sizeof(uiolen),1,f);
- FSEEK(f,-(OFF_T)n-2*sizeof(uiolen),SEEK_CUR);
- return(0);
- }
- w = x = FTELL(f);
- z = 0;
- loop:
- while(x) {
- x -= x < 64 ? x : 64;
- FSEEK(f,x,SEEK_SET);
- for(y = x; y < w; y++) {
- if (getc(f) != '\n')
- continue;
- v = FTELL(f);
- if (v == w) {
- if (z)
- goto break2;
- goto loop;
- }
- z = v;
- }
- err(a->aerr,(EOF),"backspace")
- }
- break2:
- FSEEK(f, z, SEEK_SET);
- return 0;
-}
-#ifdef __cplusplus
-}
-#endif