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URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [tags/] [gnu-src/] [newlib-1.18.0/] [newlib-1.18.0-or32-1.0rc1/] [newlib/] [libc/] [sys/] [sysvi386/] [sbrk.c] - Diff between revs 207 and 345

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Rev 207	Rev 345
`extern end;`	`extern end;`

`static void curbrk = (char)&end;`	`static void curbrk = (char)&end;`

`void *`	`void *`
`sbrk(incr)`	`sbrk(incr)`
`int incr; {`	`int incr; {`
`extern int errno;`	`extern int errno;`
`extern int _brk(void *);`	`extern int _brk(void *);`
`void *ptr = curbrk;`	`void *ptr = curbrk;`
`int t;`	`int t;`

`if (incr == 0)`	`if (incr == 0)`
`return curbrk;`	`return curbrk;`
`t = _brk (curbrk + incr);`	`t = _brk (curbrk + incr);`
`if (t == -1 && errno)`	`if (t == -1 && errno)`
`return (void *)-1;`	`return (void *)-1;`
`curbrk = ((char *)curbrk) + incr;`	`curbrk = ((char *)curbrk) + incr;`
`return ptr;`	`return ptr;`
`}`	`}`

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