[Qemu-devel] [PATCH v2 2/7] qapi: use qemu_strtoi64() in parse_str_int64

[David Hildenbrand]

The qemu api claims to be easier to use, and the resulting code
shows that.

Signed-off-by: David Hildenbrand <da...@redhat.com>
---
 qapi/string-input-visitor.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c
index af0a841152..ee38ab1d10 100644
--- a/qapi/string-input-visitor.c
+++ b/qapi/string-input-visitor.c
@@ -48,10 +48,10 @@ static void free_range(void *range, void *dummy)
 static int parse_str_int64(StringInputVisitor *siv, const char *name,
                            Error **errp)
 {
-    char *str = (char *) siv->string;
-    long long start, end;
+    const char *str = (char *) siv->string;
+    const char *endptr;
+    int64_t start, end;
     Range *cur;
-    char *endptr;
 
     if (siv->ranges) {
         return 0;
@@ -62,9 +62,7 @@ static int parse_str_int64(StringInputVisitor *siv, const 
char *name,
     }
 
     do {
-        errno = 0;
-        start = strtoll(str, &endptr, 0);
-        if (errno == 0 && endptr > str) {
+        if (!qemu_strtoi64(str, &endptr, 0, &start)) {
             if (*endptr == '\0') {
                 cur = g_malloc0(sizeof(*cur));
                 range_set_bounds(cur, start, start);
@@ -73,11 +71,7 @@ static int parse_str_int64(StringInputVisitor *siv, const 
char *name,
                 str = NULL;
             } else if (*endptr == '-') {
                 str = endptr + 1;
-                errno = 0;
-                end = strtoll(str, &endptr, 0);
-                if (errno == 0 && endptr > str && start <= end &&
-                    (start > INT64_MAX - 65536 ||
-                     end < start + 65536)) {
+                if (!qemu_strtoi64(str, &endptr, 0, &end) && start < end) {
                     if (*endptr == '\0') {
                         cur = g_malloc0(sizeof(*cur));
                         range_set_bounds(cur, start, end);
-- 
2.17.1