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#include <math.h> |
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| 16 |
– |
#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
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#undef getc |
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#undef putc |
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#define getc getc_unlocked |
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#define putc putc_unlocked |
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#endif |
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| 17 |
< |
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| 24 |
< |
void |
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> |
int |
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putstr( /* write null-terminated string to fp */ |
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char *s, |
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FILE *fp |
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do |
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putc(*s, fp); |
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while (*s++); |
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+ |
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+ |
return(ferror(fp) ? EOF : 0); |
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} |
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| 31 |
< |
void |
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> |
int |
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putint( /* write a siz-byte integer to fp */ |
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long i, |
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int siz, |
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FILE *fp |
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) |
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{ |
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< |
while (siz--) |
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< |
putc((int)(i>>(siz<<3) & 0xff), fp); |
| 38 |
> |
while (siz > sizeof(long)) { |
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> |
putc((i<0)*0xff, fp); |
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> |
siz--; |
| 41 |
> |
} |
| 42 |
> |
siz <<= 3; |
| 43 |
> |
while ((siz -= 8) > 0) |
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> |
putc((int)(i>>siz & 0xff), fp); |
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> |
|
| 46 |
> |
return(putc((int)(i & 0xff), fp) == EOF ? EOF : 0); |
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} |
| 48 |
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| 49 |
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| 50 |
< |
void |
| 50 |
> |
int |
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putflt( /* put out floating point number */ |
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double f, |
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FILE *fp |
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e = 0; |
| 66 |
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} |
| 67 |
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putint(m, 4, fp); |
| 68 |
< |
putint((long)e, 1, fp); |
| 68 |
> |
return(putint(e, 1, fp)); |
| 69 |
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} |
| 70 |
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| 71 |
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| 72 |
< |
int |
| 72 |
> |
size_t |
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putbinary( /* fwrite() replacement for small objects */ |
| 74 |
< |
char *s, |
| 75 |
< |
int elsiz, |
| 76 |
< |
int nel, |
| 74 |
> |
const void *p, |
| 75 |
> |
size_t elsiz, |
| 76 |
> |
size_t nel, |
| 77 |
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FILE *fp) |
| 78 |
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{ |
| 79 |
< |
int nbytes = elsiz*nel; |
| 79 |
> |
const char *s = (const char *)p; |
| 80 |
> |
size_t nbytes = elsiz*nel; |
| 81 |
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|
| 82 |
< |
if (nbytes > 512) |
| 83 |
< |
return(fwrite(s, elsiz, nel, fp)); |
| 82 |
> |
if (nbytes > 128) |
| 83 |
> |
return(fwrite(p, elsiz, nel, fp)); |
| 84 |
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|
| 85 |
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while (nbytes-- > 0) |
| 86 |
< |
putc(*s++, fp); |
| 86 |
> |
if (putc(*s++, fp) == EOF) |
| 87 |
> |
return((elsiz*nel - nbytes)/elsiz); |
| 88 |
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| 89 |
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return(nel); |
| 90 |
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} |
| 119 |
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| 120 |
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if ((c = getc(fp)) == EOF) |
| 121 |
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return(EOF); |
| 122 |
< |
r = 0x80&c ? -1<<8|c : c; /* sign extend */ |
| 122 |
> |
r = c; |
| 123 |
> |
if (c & 0x80) /* sign extend? */ |
| 124 |
> |
r |= -256L; |
| 125 |
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while (--siz > 0) { |
| 126 |
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if ((c = getc(fp)) == EOF) |
| 127 |
|
return(EOF); |
| 147 |
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getc(fp); /* exactly zero -- ignore exponent */ |
| 148 |
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return(0.0); |
| 149 |
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} |
| 150 |
< |
d = (l + (l > 0 ? .5 : -.5)) * (1./0x7fffffff); |
| 150 |
> |
d = (l + .5 - (l<0)) * (1./0x7fffffff); |
| 151 |
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return(ldexp(d, (int)getint(1, fp))); |
| 152 |
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} |
| 153 |
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| 154 |
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|
| 155 |
< |
int |
| 155 |
> |
size_t |
| 156 |
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getbinary( /* fread() replacement for small objects */ |
| 157 |
< |
char *s, |
| 158 |
< |
int elsiz, |
| 159 |
< |
int nel, |
| 157 |
> |
void *p, |
| 158 |
> |
size_t elsiz, |
| 159 |
> |
size_t nel, |
| 160 |
|
FILE *fp) |
| 161 |
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{ |
| 162 |
< |
int nbytes = elsiz*nel; |
| 162 |
> |
char *s = (char *)p; |
| 163 |
> |
size_t nbytes = elsiz*nel; |
| 164 |
|
int c; |
| 165 |
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|
| 166 |
< |
if (nbytes > 512) |
| 167 |
< |
return(fread(s, elsiz, nel, fp)); |
| 166 |
> |
if (nbytes > 128) |
| 167 |
> |
return(fread(p, elsiz, nel, fp)); |
| 168 |
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|
| 169 |
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while (nbytes-- > 0) { |
| 170 |
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if ((c = getc(fp)) == EOF) |
