diff options
Diffstat (limited to 'components/libc/compilers/newlib/syscalls.c')
| -rw-r--r-- | components/libc/compilers/newlib/syscalls.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/components/libc/compilers/newlib/syscalls.c b/components/libc/compilers/newlib/syscalls.c index 949d8a61de..444e3960c1 100644 --- a/components/libc/compilers/newlib/syscalls.c +++ b/components/libc/compilers/newlib/syscalls.c @@ -189,13 +189,6 @@ _rename_r(struct _reent *ptr, const char *old, const char *new) #endif } -void * -_sbrk_r(struct _reent *ptr, ptrdiff_t incr) -{ - /* no use this routine to get memory */ - return RT_NULL; -} - int _stat_r(struct _reent *ptr, const char *file, struct stat *pstat) { @@ -258,7 +251,7 @@ _write_r(struct _reent *ptr, int fd, const void *buf, size_t nbytes) #endif } -/* Memory routine */ +#ifdef RT_USING_HEAP /* Memory routine */ void * _malloc_r (struct _reent *ptr, size_t size) { @@ -306,6 +299,15 @@ _free_r (struct _reent *ptr, void *addr) rt_free (addr); } +#else +void * +_sbrk_r(struct _reent *ptr, ptrdiff_t incr) +{ + /* no use this routine to get memory */ + return RT_NULL; +} +#endif /*RT_USING_HEAP*/ + /* for exit() and abort() */ __attribute__ ((noreturn)) void _exit (int status) |