[Spice-devel] [PATCH] log: add not fatal spice_return function

[Marc-André Lureau]

Hi

----- Original Message -----
> Due to implementation details spice_return is by default fatal (program
> is aborting). This is quite confusing but changing the current macros
> would possibly break existing code.
> Add not fatal (at least by default) macros. They use warning level
> instead of criticial.
> This is also compatible with Glib macros.

Why not start using glib macros instead?

> 
> Signed-off-by: Frediano Ziglio <fziglio at redhat.com>
> ---
>  common/log.h | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/common/log.h b/common/log.h
> index d9e6023..16c3a6d 100644
> --- a/common/log.h
> +++ b/common/log.h
> @@ -73,6 +73,24 @@ void spice_log(const char *log_domain,
>  } SPICE_STMT_END
>  #endif
>  
> +#ifndef spice_return_if_fail_warning
> +#define spice_return_if_fail_warning(x) SPICE_STMT_START {
> \
> +    if SPICE_LIKELY(x) { } else {                                       \
> +        spice_log(SPICE_LOG_DOMAIN, SPICE_LOG_LEVEL_WARNING, SPICE_STRLOC,
> __FUNCTION__, "condition `%s' failed", #x); \
> +        return;                                                         \
> +    }                                                                   \
> +} SPICE_STMT_END
> +#endif
> +
> +#ifndef spice_return_val_if_fail_warning
> +#define spice_return_val_if_fail_warning(x, val) SPICE_STMT_START {
> \
> +    if SPICE_LIKELY(x) { } else {                                       \
> +        spice_log(SPICE_LOG_DOMAIN, SPICE_LOG_LEVEL_WARNING, SPICE_STRLOC,
> __FUNCTION__, "condition `%s' failed", #x); \
> +        return (val);                                                   \
> +    }                                                                   \
> +} SPICE_STMT_END
> +#endif
> +
>  #ifndef spice_warn_if_reached
>  #define spice_warn_if_reached() SPICE_STMT_START {                      \
>      spice_log(SPICE_LOG_DOMAIN, SPICE_LOG_LEVEL_WARNING, SPICE_STRLOC,
>      __FUNCTION__, "should not be reached"); \
> --
> 2.4.3
> 
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