Merge tag 'pull-target-arm-20231102' of https://git.linaro.org/people/pmaydell/qemu...

[mirror_qemu.git] / qapi / string-output-visitor.c

diff --git a/qapi/string-output-visitor.c b/qapi/string-output-visitor.c
index 94ac8211d144bff055a5b67c22b9bb242cc703f7..71ddc92b7b98d364751f43d8170ee4532ad0cb5b 100644 (file)
--- a/qapi/string-output-visitor.c
+++ b/qapi/string-output-visitor.c
@@ -11,10 +11,9 @@
  */
 
 #include "qemu/osdep.h"
-#include "qemu-common.h"
+#include "qemu/cutils.h"
 #include "qapi/string-output-visitor.h"
 #include "qapi/visitor-impl.h"
-#include "qemu/host-utils.h"
 #include <math.h>
 #include "qemu/range.h"
 
@@ -123,7 +122,7 @@ static void format_string(StringOutputVisitor *sov, Range *r, bool next,
     }
 }
 
-static void print_type_int64(Visitor *v, const char *name, int64_t *obj,
+static bool print_type_int64(Visitor *v, const char *name, int64_t *obj,
                              Error **errp)
 {
     StringOutputVisitor *sov = to_sov(v);
@@ -138,7 +137,7 @@ static void print_type_int64(Visitor *v, const char *name, int64_t *obj,
         sov->range_start.s = *obj;
         sov->range_end.s = *obj;
         sov->list_mode = LM_IN_PROGRESS;
-        return;
+        return true;
 
     case LM_IN_PROGRESS:
         if (sov->range_end.s + 1 == *obj) {
@@ -155,7 +154,7 @@ static void print_type_int64(Visitor *v, const char *name, int64_t *obj,
             sov->range_start.s = *obj;
             sov->range_end.s = *obj;
         }
-        return;
+        return true;
 
     case LM_END:
         if (sov->range_end.s + 1 == *obj) {
@@ -197,55 +196,49 @@ static void print_type_int64(Visitor *v, const char *name, int64_t *obj,
         }
         g_string_append(sov->string, ")");
     }
+
+    return true;
 }
 
-static void print_type_uint64(Visitor *v, const char *name, uint64_t *obj,
+static bool print_type_uint64(Visitor *v, const char *name, uint64_t *obj,
                              Error **errp)
 {
     /* FIXME: print_type_int64 mishandles values over INT64_MAX */
     int64_t i = *obj;
-    print_type_int64(v, name, &i, errp);
+    return print_type_int64(v, name, &i, errp);
 }
 
-static void print_type_size(Visitor *v, const char *name, uint64_t *obj,
+static bool print_type_size(Visitor *v, const char *name, uint64_t *obj,
                             Error **errp)
 {
     StringOutputVisitor *sov = to_sov(v);
-    static const char suffixes[] = { 'B', 'K', 'M', 'G', 'T', 'P', 'E' };
-    uint64_t div, val;
-    char *out;
-    int i;
+    uint64_t val;
+    char *out, *psize;
 
     if (!sov->human) {
         out = g_strdup_printf("%"PRIu64, *obj);
         string_output_set(sov, out);
-        return;
+        return true;
     }
 
     val = *obj;
-
-    /* The exponent (returned in i) minus one gives us
-     * floor(log2(val * 1024 / 1000).  The correction makes us
-     * switch to the higher power when the integer part is >= 1000.
-     */
-    frexp(val / (1000.0 / 1024.0), &i);
-    i = (i - 1) / 10;
-    assert(i < ARRAY_SIZE(suffixes));
-    div = 1ULL << (i * 10);
-
-    out = g_strdup_printf("%"PRIu64" (%0.3g %c%s)", val,
-                          (double)val/div, suffixes[i], i ? "iB" : "");
+    psize = size_to_str(val);
+    out = g_strdup_printf("%"PRIu64" (%s)", val, psize);
     string_output_set(sov, out);
+
+    g_free(psize);
+    return true;
 }
 
-static void print_type_bool(Visitor *v, const char *name, bool *obj,
+static bool print_type_bool(Visitor *v, const char *name, bool *obj,
                             Error **errp)
 {
     StringOutputVisitor *sov = to_sov(v);
     string_output_set(sov, g_strdup(*obj ? "true" : "false"));
+    return true;
 }
 
-static void print_type_str(Visitor *v, const char *name, char **obj,
+static bool print_type_str(Visitor *v, const char *name, char **obj,
                            Error **errp)
 {
     StringOutputVisitor *sov = to_sov(v);
@@ -257,16 +250,33 @@ static void print_type_str(Visitor *v, const char *name, char **obj,
         out = g_strdup(*obj ? *obj : "");
     }
     string_output_set(sov, out);
+    return true;
 }
 
-static void print_type_number(Visitor *v, const char *name, double *obj,
+static bool print_type_number(Visitor *v, const char *name, double *obj,
                               Error **errp)
 {
     StringOutputVisitor *sov = to_sov(v);
-    string_output_set(sov, g_strdup_printf("%f", *obj));
+    string_output_set(sov, g_strdup_printf("%.17g", *obj));
+    return true;
+}
+
+static bool print_type_null(Visitor *v, const char *name, QNull **obj,
+                            Error **errp)
+{
+    StringOutputVisitor *sov = to_sov(v);
+    char *out;
+
+    if (sov->human) {
+        out = g_strdup("<null>");
+    } else {
+        out = g_strdup("");
+    }
+    string_output_set(sov, out);
+    return true;
 }
 
-static void
+static bool
 start_list(Visitor *v, const char *name, GenericList **list, size_t size,
            Error **errp)
 {
@@ -281,6 +291,7 @@ start_list(Visitor *v, const char *name, GenericList **list, size_t size,
     if (*list && (*list)->next) {
         sov->list_mode = LM_STARTED;
     }
+    return true;
 }
 
 static GenericList *next_list(Visitor *v, GenericList *tail, size_t size)
@@ -351,6 +362,7 @@ Visitor *string_output_visitor_new(bool human, char **result)
     v->visitor.type_bool = print_type_bool;
     v->visitor.type_str = print_type_str;
     v->visitor.type_number = print_type_number;
+    v->visitor.type_null = print_type_null;
     v->visitor.start_list = start_list;
     v->visitor.next_list = next_list;
     v->visitor.end_list = end_list;