[libvirt PATCH 1/3] util: uuid: remove use of virHexToBin

Ján Tomko jtomko at redhat.com
Sun Feb 23 20:20:52 UTC 2020


Prefer g_ascii_xdigit_value to virHexToBin.

Check the return value of the function and
remove the g_ascii_isxdigit calls, since
they're done anyway internally.

Signed-off-by: Ján Tomko <jtomko at redhat.com>
---
 src/util/viruuid.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/util/viruuid.c b/src/util/viruuid.c
index c8ee59beee..908b09945d 100644
--- a/src/util/viruuid.c
+++ b/src/util/viruuid.c
@@ -29,7 +29,6 @@
 #include <unistd.h>
 
 #include "internal.h"
-#include "virutil.h"
 #include "virerror.h"
 #include "virlog.h"
 #include "viralloc.h"
@@ -105,6 +104,7 @@ virUUIDParse(const char *uuidstr, unsigned char *uuid)
         cur++;
 
     for (i = 0; i < VIR_UUID_BUFLEN;) {
+        int val;
         uuid[i] = 0;
         if (*cur == 0)
             return -1;
@@ -112,16 +112,15 @@ virUUIDParse(const char *uuidstr, unsigned char *uuid)
             cur++;
             continue;
         }
-        if (!g_ascii_isxdigit(*cur))
+        if ((val = g_ascii_xdigit_value(*cur)) < 0)
             return -1;
-        uuid[i] = virHexToBin(*cur);
-        uuid[i] *= 16;
+        uuid[i] = 16 * val;
         cur++;
         if (*cur == 0)
             return -1;
-        if (!g_ascii_isxdigit(*cur))
+        if ((val = g_ascii_xdigit_value(*cur)) < 0)
             return -1;
-        uuid[i] += virHexToBin(*cur);
+        uuid[i] += val;
         i++;
         cur++;
     }
-- 
2.24.1




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