diff options
Diffstat (limited to 'FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/freedom-e-sdk/libwrap/sys/sbrk.c')
| -rw-r--r-- | FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/freedom-e-sdk/libwrap/sys/sbrk.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/freedom-e-sdk/libwrap/sys/sbrk.c b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/freedom-e-sdk/libwrap/sys/sbrk.c new file mode 100644 index 000000000..451bc27c7 --- /dev/null +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/freedom-e-sdk/libwrap/sys/sbrk.c @@ -0,0 +1,18 @@ +/* See LICENSE of license details. */
+
+#include <stddef.h>
+#include "weak_under_alias.h"
+
+void *__wrap_sbrk(ptrdiff_t incr)
+{
+ extern char _end[];
+ extern char _heap_end[];
+ static char *curbrk = _end;
+
+ if ((curbrk + incr < _end) || (curbrk + incr > _heap_end))
+ return NULL - 1;
+
+ curbrk += incr;
+ return curbrk - incr;
+}
+weak_under_alias(sbrk);
|