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author | Guillaume Cottenceau <gc@mandriva.com> | 2001-01-04 20:04:45 +0000 |
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committer | Guillaume Cottenceau <gc@mandriva.com> | 2001-01-04 20:04:45 +0000 |
commit | 02fec4701cee79f875c1d02b8b4aee09380dbcb8 (patch) | |
tree | f4f291aedbb2e60ee58351481858a8cd3ec80b6b /mdk-stage1/dietlibc/lib/sbrk.c | |
parent | 9887fe04751edf39e8389f2c3ec3f020b5e1c17d (diff) | |
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integrate dietlibc/stdio per default for cdrom and disk only installs
Diffstat (limited to 'mdk-stage1/dietlibc/lib/sbrk.c')
-rw-r--r-- | mdk-stage1/dietlibc/lib/sbrk.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/sbrk.c b/mdk-stage1/dietlibc/lib/sbrk.c new file mode 100644 index 000000000..945ad5a16 --- /dev/null +++ b/mdk-stage1/dietlibc/lib/sbrk.c @@ -0,0 +1,20 @@ +#include <unistd.h> + +extern int __brk(void *end_data_segment); + +extern void* __curbrk; + +void* __sbrk(ptrdiff_t increment) { + void* oldbrk; + if (__curbrk==0) + if (__brk(0) < 0) + return (void*)-1; + if (increment==0) + return __curbrk; + oldbrk=__curbrk; + if (__brk(oldbrk+increment)<0) + return (void*)-1; + return oldbrk; +} + +void* sbrk (ptrdiff_t increment) __attribute__((weak,alias("__sbrk"))); |