Last change
on this file since 690 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.2 KB
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Line | |
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1 | /* |
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2 | FUNCTION |
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3 | <<vec_calloc>>---allocate space for arrays |
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4 | |
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5 | INDEX |
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6 | vec_calloc |
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7 | |
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8 | INDEX |
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9 | _vec_calloc_r |
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10 | |
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11 | SYNOPSIS |
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12 | #include <stdlib.h> |
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13 | void *vec_calloc(size_t <[n]>, size_t <[s]>); |
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14 | void *vec_calloc_r(void *<[reent]>, size_t <n>, <size_t> <[s]>); |
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15 | |
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16 | DESCRIPTION |
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17 | Use <<vec_calloc>> to request a block of memory sufficient to hold an |
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18 | array of <[n]> elements, each of which has size <[s]>. |
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19 | |
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20 | The memory allocated by <<vec_calloc>> comes out of the same memory pool |
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21 | used by <<vec_malloc>>, but the memory block is initialized to all zero |
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22 | bytes. (To avoid the overhead of initializing the space, use |
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23 | <<vec_malloc>> instead.) |
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24 | |
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25 | The alternate function <<_vec_calloc_r>> is reentrant. |
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26 | The extra argument <[reent]> is a pointer to a reentrancy structure. |
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27 | |
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28 | RETURNS |
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29 | If successful, a pointer to the newly allocated space. |
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30 | |
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31 | If unsuccessful, <<NULL>>. |
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32 | |
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33 | PORTABILITY |
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34 | <<vec_calloc>> is an non-ANSI extension described in the AltiVec Programming |
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35 | Interface Manual. |
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36 | |
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37 | Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, |
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38 | <<lseek>>, <<read>>, <<sbrk>>, <<write>>. |
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39 | */ |
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40 | |
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41 | #include <string.h> |
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42 | #include <stdlib.h> |
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43 | |
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44 | #ifndef _REENT_ONLY |
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45 | |
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46 | void * |
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47 | vec_calloc (size_t n, |
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48 | size_t size) |
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49 | { |
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50 | return _vec_calloc_r (_REENT, n, size); |
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51 | } |
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52 | |
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53 | #endif |
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