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Last change
on this file 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:
309 bytes
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| Line | |
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| 1 | extern end; |
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| 2 | |
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| 3 | static void *curbrk = (char*)&end; |
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| 4 | |
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| 5 | void * |
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| 6 | sbrk(incr) |
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| 7 | int incr; { |
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| 8 | extern int errno; |
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| 9 | extern int _brk(void *); |
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| 10 | void *ptr = curbrk; |
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| 11 | int t; |
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| 12 | |
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| 13 | if (incr == 0) |
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| 14 | return curbrk; |
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| 15 | t = _brk (curbrk + incr); |
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| 16 | if (t == -1 && errno) |
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| 17 | return (void *)-1; |
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| 18 | curbrk = ((char *)curbrk) + incr; |
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| 19 | return ptr; |
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| 20 | } |
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| 21 | |
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