Use g_strdup_vprintf() instead of virVasprintf() everywhere

Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
Reviewed-by: NDaniel Henrique Barboza <danielhb413@gmail.com>

src/libxl/libxl_logger.c

@@ -74,8 +74,7 @@ libvirt_vmessage(xentoollog_logger *logger_in,
     if (level < lg->minLevel)
         return;
 
-    if (virVasprintf(&message, format, args) < 0)
-        return;
+    message = g_strdup_vprintf(format, args);
 
     /* Should we print to a domain-specific log file? */
     if ((start = strstr(message, ": Domain ")) &&

src/qemu/qemu_domain.c

@@ -9430,8 +9430,7 @@ int qemuDomainLogContextWrite(qemuDomainLogContextPtr ctxt,
 
     va_start(argptr, fmt);
 
-    if (virVasprintf(&message, fmt, argptr) < 0)
-        goto cleanup;
+    message = g_strdup_vprintf(fmt, argptr);
     if (!ctxt->manager &&
         lseek(ctxt->writefd, 0, SEEK_END) < 0) {
         virReportSystemError(errno, "%s",
@@ -9524,8 +9523,7 @@ qemuDomainLogAppendMessage(virQEMUDriverPtr driver,
 
     va_start(ap, fmt);
 
-    if (virVasprintf(&message, fmt, ap) < 0)
-        goto cleanup;
+    message = g_strdup_vprintf(fmt, ap);
 
     VIR_DEBUG("Append log message (vm='%s' message='%s) stdioLogD=%d",
               vm->def->name, message, cfg->stdioLogD);

src/util/viraudit.c

@@ -110,8 +110,7 @@ void virAuditSend(virLogSourcePtr source,
 #endif
 
     va_start(args, fmt);
-    if (virVasprintf(&str, fmt, args) < 0)
-        VIR_WARN("Out of memory while formatting audit message");
+    str = g_strdup_vprintf(fmt, args);
     va_end(args);
 
     if (auditlog && str) {

src/util/vircommand.c

@@ -1314,11 +1314,7 @@ virCommandAddEnvFormat(virCommandPtr cmd, const char *format, ...)
         return;
 
     va_start(list, format);
-    if (virVasprintf(&env, format, list) < 0) {
-        cmd->has_error = ENOMEM;
-        va_end(list);
-        return;
-    }
+    env = g_strdup_vprintf(format, list);
     va_end(list);
 
     virCommandAddEnv(cmd, env);
@@ -1541,11 +1537,7 @@ virCommandAddArgFormat(virCommandPtr cmd, const char *format, ...)
         return;
 
     va_start(list, format);
-    if (virVasprintf(&arg, format, list) < 0) {
-        cmd->has_error = ENOMEM;
-        va_end(list);
-        return;
-    }
+    arg = g_strdup_vprintf(format, list);
     va_end(list);
 
     /* Arg plus trailing NULL. */

src/util/virerror.c

@@ -830,7 +830,7 @@ virRaiseErrorFull(const char *filename,
     } else {
         va_list ap;
         va_start(ap, fmt);
-        ignore_value(virVasprintfQuiet(&str, fmt, ap));
+        str = g_strdup_vprintf(fmt, ap);
         va_end(ap);
     }
 
@@ -1484,16 +1484,13 @@ virLastErrorPrefixMessage(const char *fmt, ...)
         return;
 
     va_start(args, fmt);
-
-    if (virVasprintfQuiet(&fmtmsg, fmt, args) < 0)
-        goto cleanup;
+    fmtmsg = g_strdup_vprintf(fmt, args);
+    va_end(args);
 
     newmsg = g_strdup_printf("%s: %s", fmtmsg, err->message);
 
     VIR_FREE(err->message);
     err->message = g_steal_pointer(&newmsg);
 
- cleanup:
-    va_end(args);
     errno = save_errno;
 }

src/util/virfile.c

@@ -3374,9 +3374,9 @@ virFileRemoveLastComponent(char *path)
 /**
  * virFilePrintf:
  *
- * A replacement for fprintf() which uses virVasprintf to
- * ensure that portable string format placeholders can be
- * used, since gnulib's fprintf() replacement is not
+ * A replacement for fprintf() which uses g_strdup_vprintf
+ * to ensure that portable string format placeholders can
+ * be used, since gnulib's fprintf() replacement is not
  * LGPLV2+ compatible
  */
 int virFilePrintf(FILE *fp, const char *msg, ...)
@@ -3387,8 +3387,7 @@ int virFilePrintf(FILE *fp, const char *msg, ...)
 
     va_start(vargs, msg);
 
-    if (virVasprintf(&str, msg, vargs) < 0)
-        goto cleanup;
+    str = g_strdup_vprintf(msg, vargs);
     ret = strlen(str);
 
     if (fwrite(str, 1, ret, fp) != ret) {
@@ -3397,7 +3396,6 @@ int virFilePrintf(FILE *fp, const char *msg, ...)
         ret = -1;
     }
 
- cleanup:
     va_end(vargs);
 
     return ret;
@@ -4149,10 +4147,7 @@ virFileReadValueInt(int *value, const char *format, ...)
     va_list ap;
 
     va_start(ap, format);
-    if (virVasprintf(&path, format, ap) < 0) {
-        va_end(ap);
-        return -1;
-    }
+    path = g_strdup_vprintf(format, ap);
     va_end(ap);
 
     if (!virFileExists(path))
@@ -4192,10 +4187,7 @@ virFileReadValueUint(unsigned int *value, const char *format, ...)
     va_list ap;
 
     va_start(ap, format);
-    if (virVasprintf(&path, format, ap) < 0) {
-        va_end(ap);
-        return -1;
-    }
+    path = g_strdup_vprintf(format, ap);
     va_end(ap);
 
     if (!virFileExists(path))
@@ -4236,10 +4228,7 @@ virFileReadValueScaledInt(unsigned long long *value, const char *format, ...)
     va_list ap;
 
     va_start(ap, format);
-    if (virVasprintf(&path, format, ap) < 0) {
-        va_end(ap);
-        return -1;
-    }
+    path = g_strdup_vprintf(format, ap);
     va_end(ap);
 
     if (!virFileExists(path))
@@ -4282,10 +4271,7 @@ virFileReadValueBitmap(virBitmapPtr *value, const char *format, ...)
     va_list ap;
 
     va_start(ap, format);
-    if (virVasprintf(&path, format, ap) < 0) {
-        va_end(ap);
-        return -1;
-    }
+    path = g_strdup_vprintf(format, ap);
     va_end(ap);
 
     if (!virFileExists(path))
@@ -4323,10 +4309,7 @@ virFileReadValueString(char **value, const char *format, ...)
     va_list ap;
 
     va_start(ap, format);
-    if (virVasprintf(&path, format, ap) < 0) {
-        va_end(ap);
-        return -1;
-    }
+    path = g_strdup_vprintf(format, ap);
     va_end(ap);
 
     if (!virFileExists(path))

src/util/virfirewall.c

@@ -509,19 +509,15 @@ void virFirewallRuleAddArgFormat(virFirewallPtr firewall,
     VIR_FIREWALL_RULE_RETURN_IF_ERROR(firewall, rule);
 
     va_start(list, fmt);
-
-    if (virVasprintf(&arg, fmt, list) < 0)
-        goto no_memory;
+    arg = g_strdup_vprintf(fmt, list);
+    va_end(list);
 
     ADD_ARG(rule, arg);
 
-    va_end(list);
-
     return;
 
  no_memory:
     firewall->err = ENOMEM;
-    va_end(list);
 }
 
 

src/util/virlog.c

@@ -594,8 +594,7 @@ virLogVMessage(virLogSourcePtr source,
     /*
      * serialize the error message, add level and timestamp
      */
-    if (virVasprintfQuiet(&str, fmt, vargs) < 0)
-        goto cleanup;
+    str = g_strdup_vprintf(fmt, vargs);
 
     virLogFormatString(&msg, linenr, funcname, priority, str);
 

tests/eventtest.c

@@ -89,8 +89,8 @@ testEventReport(const char *name, bool failed, const char *msg, ...)
     char *str = NULL;
     struct testEventResultData data;
 
-    if (msg && virVasprintfQuiet(&str, msg, vargs) != 0)
-        failed = true;
+    if (msg)
+        str = g_strdup_vprintf(msg, vargs);
 
     data.failed = failed;
     data.msg = str;

tests/qemumonitortestutils.c

@@ -186,15 +186,13 @@ qemuMonitorReportError(qemuMonitorTestPtr test, const char *errmsg, ...)
 
     va_start(msgargs, errmsg);
 
-    if (virVasprintf(&msg, errmsg, msgargs) < 0)
-        goto cleanup;
+    msg = g_strdup_vprintf(errmsg, msgargs);
 
     jsonmsg = g_strdup_printf("{ \"error\": " " { \"desc\": \"%s\", "
                               "   \"class\": \"UnexpectedCommand\" } }", msg);
 
     ret = qemuMonitorTestAddResponse(test, jsonmsg);
 
- cleanup:
     va_end(msgargs);
     return ret;
 }

tools/virt-host-validate-common.c

@@ -59,10 +59,7 @@ void virHostMsgCheck(const char *prefix,
         return;
 
     va_start(args, format);
-    if (virVasprintf(&msg, format, args) < 0) {
-        perror("malloc");
-        abort();
-    }
+    msg = g_strdup_vprintf(format, args);
     va_end(args);
 
     fprintf(stdout, _("%6s: Checking %-60s: "), prefix, msg);
@@ -120,10 +117,7 @@ void virHostMsgFail(virHostValidateLevel level,
         return;
 
     va_start(args, format);
-    if (virVasprintf(&msg, format, args) < 0) {
-        perror("malloc");
-        abort();
-    }
+    msg = g_strdup_vprintf(format, args);
     va_end(args);
 
     if (virHostMsgWantEscape())

tools/vsh.c

@@ -1847,11 +1847,7 @@ vshDebug(vshControl *ctl, int level, const char *format, ...)
     va_end(ap);
 
     va_start(ap, format);
-    if (virVasprintf(&str, format, ap) < 0) {
-        /* Skip debug messages on low memory */
-        va_end(ap);
-        return;
-    }
+    str = g_strdup_vprintf(format, ap);
     va_end(ap);
     fputs(str, stdout);
     VIR_FREE(str);
@@ -1867,8 +1863,7 @@ vshPrintExtra(vshControl *ctl, const char *format, ...)
         return;
 
     va_start(ap, format);
-    if (virVasprintfQuiet(&str, format, ap) < 0)
-        vshErrorOOM();
+    str = g_strdup_vprintf(format, ap);
     va_end(ap);
     fputs(str, stdout);
     VIR_FREE(str);
@@ -1882,8 +1877,7 @@ vshPrint(vshControl *ctl G_GNUC_UNUSED, const char *format, ...)
     char *str;
 
     va_start(ap, format);
-    if (virVasprintfQuiet(&str, format, ap) < 0)
-        vshErrorOOM();
+    str = g_strdup_vprintf(format, ap);
     va_end(ap);
     fputs(str, stdout);
     VIR_FREE(str);
@@ -2015,9 +2009,7 @@ vshError(vshControl *ctl, const char *format, ...)
     fputs(_("error: "), stderr);
 
     va_start(ap, format);
-    /* We can't recursively call vshError on an OOM situation, so ignore
-       failure here. */
-    ignore_value(virVasprintf(&str, format, ap));
+    str = g_strdup_vprintf(format, ap);
     va_end(ap);
 
     fprintf(stderr, "%s\n", NULLSTR(str));