Embedded Artistry libc
C Standard Library Support for Bare-metal Systems
strtoIx.c
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1 /****************************************************************
2 
3 The author of this software is David M. Gay.
4 
5 Copyright (C) 1998 by Lucent Technologies
6 All Rights Reserved
7 
8 Permission to use, copy, modify, and distribute this software and
9 its documentation for any purpose and without fee is hereby
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19 INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
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25 THIS SOFTWARE.
26 
27 ****************************************************************/
28 
29 /* Please send bug reports to David M. Gay (dmg at acm dot org,
30  * with " at " changed at "@" and " dot " changed to "."). */
31 
32 #include "gdtoaimp.h"
33 
34 int
35 #ifdef KR_headers
36  strtoIx(s, sp, a, b) CONST char* s;
37 char** sp;
38 void* a;
39 void* b;
40 #else
41 strtoIx(CONST char *s, char **sp, void *a, void *b)
42 #endif
43 {
44  static FPI fpi = {64, 1 - 16383 - 64 + 1, 32766 - 16383 - 64 + 1, 1, SI};
45  Long exp[2];
46  Bigint* B[2];
47  int k, rv[2];
48  UShort *L = (UShort*)a, *M = (UShort*)b;
49 
50  B[0] = Balloc(1);
51  B[0]->wds = 2;
52  k = strtoIg(s, sp, &fpi, exp, B, rv);
53  ULtox(L, B[0]->x, exp[0], rv[0]);
54  Bfree(B[0]);
55  if(B[1])
56  {
57  ULtox(M, B[1]->x, exp[1], rv[1]);
58  Bfree(B[1]);
59  }
60  else
61  {
62  M[0] = L[0];
63  M[1] = L[1];
64  M[2] = L[2];
65  M[3] = L[3];
66  M[4] = L[4];
67  }
68  return k;
69 }
int wds
Definition: gdtoaimp.h:487
int strtoIx(CONST char *s, char **sp, void *a, void *b)
Definition: strtoIx.c:41
#define CONST
Definition: gdtoa.h:61
void ULtox(UShort *L, const ULong *bits, Long exp, int k)
Definition: strtorx.c:61
unsigned short UShort
Definition: gdtoa.h:44
#define SI
Definition: gdtoaimp.h:635
void Bfree(Bigint *v)
Definition: misc.c:92
int strtoIg(CONST char *s00, char **se, FPI *fpi, Long *exp, Bigint **B, int *rvp)
Definition: strtoIg.c:43
Definition: gdtoa.h:86
Bigint * Balloc(int k)
Definition: misc.c:47
#define Long
Definition: gdtoa.h:38