spice-core: Use g_strdup_printf instead of snprintf

Several places in spice-core.c were using either g_malloc+snprintf
or snprintf+g_strdup to achieve the same result as g_strdup_printf.

Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
---
 ui/spice-core.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

ack

On Mon, Sep 2, 2013 at 11:53 AM, Christophe Fergeau <cfergeau@redhat.com> wrote:
> Several places in spice-core.c were using either g_malloc+snprintf
> or snprintf+g_strdup to achieve the same result as g_strdup_printf.
>
> Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
> ---
>  ui/spice-core.c | 22 ++++++++--------------
>  1 file changed, 8 insertions(+), 14 deletions(-)
>
> diff --git a/ui/spice-core.c b/ui/spice-core.c
> index bd7a248..01b9906 100644
> --- a/ui/spice-core.c
> +++ b/ui/spice-core.c
> @@ -511,7 +511,6 @@ SpiceInfo *qmp_query_spice(Error **errp)
>      int port, tls_port;
>      const char *addr;
>      SpiceInfo *info;
> -    char version_string[20]; /* 12 = |255.255.255\0| is the max */
>
>      info = g_malloc0(sizeof(*info));
>
> @@ -534,11 +533,10 @@ SpiceInfo *qmp_query_spice(Error **errp)
>      info->host = g_strdup(addr ? addr : "0.0.0.0");
>
>      info->has_compiled_version = true;
> -    snprintf(version_string, sizeof(version_string), "%d.%d.%d",
> -             (SPICE_SERVER_VERSION & 0xff0000) >> 16,
> -             (SPICE_SERVER_VERSION & 0xff00) >> 8,
> -             SPICE_SERVER_VERSION & 0xff);
> -    info->compiled_version = g_strdup(version_string);
> +    info->compiled_version = g_strdup_printf("%d.%d.%d",
> +                                             (SPICE_SERVER_VERSION & 0xff0000) >> 16,
> +                                             (SPICE_SERVER_VERSION & 0xff00) >> 8,
> +                                             SPICE_SERVER_VERSION & 0xff);
>
>      if (port) {
>          info->has_port = true;
> @@ -640,7 +638,7 @@ void qemu_spice_init(void)
>      char *x509_key_file = NULL,
>          *x509_cert_file = NULL,
>          *x509_cacert_file = NULL;
> -    int port, tls_port, len, addr_flags;
> +    int port, tls_port, addr_flags;
>      spice_image_compression_t compression;
>      spice_wan_compression_t wan_compr;
>      bool seamless_migration;
> @@ -671,30 +669,26 @@ void qemu_spice_init(void)
>          if (NULL == x509_dir) {
>              x509_dir = ".";
>          }
> -        len = strlen(x509_dir) + 32;
>
>          str = qemu_opt_get(opts, "x509-key-file");
>          if (str) {
>              x509_key_file = g_strdup(str);
>          } else {
> -            x509_key_file = g_malloc(len);
> -            snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
> +            x509_key_file = g_strdup_printf("%s/%s", x509_dir, X509_SERVER_KEY_FILE);
>          }
>
>          str = qemu_opt_get(opts, "x509-cert-file");
>          if (str) {
>              x509_cert_file = g_strdup(str);
>          } else {
> -            x509_cert_file = g_malloc(len);
> -            snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
> +            x509_cert_file = g_strdup_printf("%s/%s", x509_dir, X509_SERVER_CERT_FILE);
>          }
>
>          str = qemu_opt_get(opts, "x509-cacert-file");
>          if (str) {
>              x509_cacert_file = g_strdup(str);
>          } else {
> -            x509_cacert_file = g_malloc(len);
> -            snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
> +            x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, X509_CA_CERT_FILE);
>          }
>
>          x509_key_password = qemu_opt_get(opts, "x509-key-password");
> --
> 1.8.3.1
>
>

On Mo, 2013-09-02 at 11:53 +0200, Christophe Fergeau wrote:
> Several places in spice-core.c were using either g_malloc+snprintf
> or snprintf+g_strdup to achieve the same result as g_strdup_printf.

Patch looks good but fails checkpatch.pl due to long lines.

cheers,
  Gerd

On Mon, Sep 02, 2013 at 01:36:19PM +0200, Gerd Hoffmann wrote:
> On Mo, 2013-09-02 at 11:53 +0200, Christophe Fergeau wrote:
> > Several places in spice-core.c were using either g_malloc+snprintf
> > or snprintf+g_strdup to achieve the same result as g_strdup_printf.
> 
> Patch looks good but fails checkpatch.pl due to long lines.

Ah right, I forgot to run it, I just sent a v2.

Christophe