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libc: use usize for sbrk() increment

cinap_lenrek 2021-07-25 16:03:14 +00:00
parent e4b5f170cf
commit 1ec44ec77c
3 changed files with 3 additions and 3 deletions
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2
sys/include/libc.h
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@ -714,7 +714,7 @@ extern long read(int, void*, long);
extern long readn(int, void*, long); extern long readn(int, void*, long);
extern long readv(int, IOchunk*, int); extern long readv(int, IOchunk*, int);
extern int remove(char*); extern int remove(char*);
extern void* sbrk(ulong); extern void* sbrk(usize);
extern long oseek(int, long, int); extern long oseek(int, long, int);
extern vlong seek(int, vlong, int); extern vlong seek(int, vlong, int);
extern void* segattach(int, char*, void*, ulong); extern void* segattach(int, char*, void*, ulong);

2
sys/man/2/brk
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@ -11,7 +11,7 @@ brk, sbrk \- change memory allocation
int brk(void *addr) int brk(void *addr)
.PP .PP
.B .B
void* sbrk(ulong incr) void* sbrk(usize incr)
.SH DESCRIPTION .SH DESCRIPTION
.I Brk .I Brk
sets the system's idea of the lowest bss location not used by the program sets the system's idea of the lowest bss location not used by the program

2
sys/src/libc/9sys/sbrk.c
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@ -23,7 +23,7 @@ brk(void *p)
} }
void* void*
sbrk(ulong n) sbrk(usize n)
{ {
uintptr bl; uintptr bl;