star-sp

commit f88cad538db924b7f3a1d0db26c83b80c15efd6d
parent 3fe8e5bb0f18a1220bad5a0056649ebe0415af28
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Tue,  1 Dec 2020 09:42:08 +0100

Fix the rng_kiss_read function

Deserialized data were wrong if data to read exceed the initial
temporary buffer capacity.

Diffstat:
M
src/ssp_rng.c
 | 
10
+++++++---

1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/ssp_rng.c b/src/ssp_rng.c
@@ -107,18 +107,22 @@ rng_kiss_read(void* data, FILE* file)
 {
   struct rng_kiss* rng = (struct rng_kiss*)data;
   struct darray_char buf;
+  size_t offset = 0;
+  size_t bufsz = 64;
   res_T res = RES_OK;
   int err;
   ASSERT(data && file);
 
   darray_char_init(&mem_default_allocator, &buf);
-  res = darray_char_resize(&buf, 64);
+  res = darray_char_resize(&buf, bufsz);
   if(res != RES_OK) goto error;
 
-  while(fgets(darray_char_data_get(&buf), (int)darray_char_size_get(&buf), file)) {
+  while(fgets(darray_char_data_get(&buf)+offset, (int)(bufsz-offset), file)) {
     /* Ensure that the whole line is read */
     if(strrchr(darray_char_cdata_get(&buf), '\n')) break;
-    res = darray_char_resize(&buf, darray_char_size_get(&buf) * 2);
+    offset = bufsz-1/*Null char*/;
+    bufsz *= 2;
+    res = darray_char_resize(&buf, bufsz);
     if(res != RES_OK) goto error;
   }