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brk(2): sbrk(0) returns end address, not the base

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sbrk(0) returns the current end address of the BSS segment,
not the base. This might have been confused with the behaviour
of segbrk(), which when given a zero address returns the base.
This commit is contained in:
cinap_lenrek 2021-07-20 21:44:34 +00:00
parent 90ce513fb0
commit 7bd6679c82
1 changed files with 1 additions and 1 deletions
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2
sys/man/2/brk
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@ -43,7 +43,7 @@ data areas need to use
.IR brk .
A call to
.I sbrk
with a zero argument returns the lowest address
with a zero argument returns the end address
in the dynamic segment.
.SH SOURCE
.B /sys/src/libc/9sys/sbrk.c