[Mesa-dev] [PATCH 06/11] anv: give more room to debug report

[Caio Marcelo de Oliveira Filho]

The error buffer is limited to 256, but the report contains the
filename and possibly other data. So give it more space.

Avoids the warnings

../../src/intel/vulkan/anv_util.c: In function ‘__anv_perf_warn’:
../../src/intel/vulkan/anv_util.c:66:42: warning: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size 254 [-Wformat-truncation=]
    snprintf(report, sizeof(report), "%s: %s", file, buffer);
                                          ^~         ~~~~~~
../../src/intel/vulkan/anv_util.c:66:4: note: ‘snprintf’ output 3 or more bytes (assuming 258) into a destination of size 256
    snprintf(report, sizeof(report), "%s: %s", file, buffer);
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

../../src/intel/vulkan/anv_util.c: In function ‘__vk_errorf’:
../../src/intel/vulkan/anv_util.c:96:48: warning: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size 252 [-Wformat-truncation=]
       snprintf(report, sizeof(report), "%s:%d: %s (%s)", file, line, buffer,
                                                ^~                    ~~~~~~
../../src/intel/vulkan/anv_util.c:96:7: note: ‘snprintf’ output 8 or more bytes (assuming 263) into a destination of size 256
       snprintf(report, sizeof(report), "%s:%d: %s (%s)", file, line, buffer,
       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                error_str);
                ~~~~~~~~~~
---
 src/intel/vulkan/anv_util.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/intel/vulkan/anv_util.c b/src/intel/vulkan/anv_util.c
index 3c1803aa056..9082707624c 100644
--- a/src/intel/vulkan/anv_util.c
+++ b/src/intel/vulkan/anv_util.c
@@ -57,7 +57,7 @@ __anv_perf_warn(struct anv_instance *instance, const void *object,
 {
    va_list ap;
    char buffer[256];
-   char report[256];
+   char report[512];
 
    va_start(ap, format);
    vsnprintf(buffer, sizeof(buffer), format, ap);
@@ -84,7 +84,7 @@ __vk_errorf(struct anv_instance *instance, const void *object,
 {
    va_list ap;
    char buffer[256];
-   char report[256];
+   char report[512];
 
    const char *error_str = vk_Result_to_str(error);
 
-- 
2.18.0