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gbm: replace NULL sentinel with explicit ARRAY_SIZE()

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Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Eric Engestrom 2019-09-01 17:41:19 +01:00 • committed by Eric Engestrom
parent 0d74f4bb16
commit ad7e410893
1 changed files with 12 additions and 9 deletions
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21
src/gbm/backends/dri/gbm_dri.c
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@ -264,24 +264,21 @@ static struct dri_extension_match dri_core_extensions[] = {
{ __DRI2_FLUSH, 1, offsetof(struct gbm_dri_device, flush), false },
{ __DRI_IMAGE, 1, offsetof(struct gbm_dri_device, image), false },
{ __DRI2_FENCE, 1, offsetof(struct gbm_dri_device, fence), true },
{ NULL, 0, 0 }
};
static struct dri_extension_match gbm_dri_device_extensions[] = {
{ __DRI_CORE, 1, offsetof(struct gbm_dri_device, core), false },
{ __DRI_DRI2, 1, offsetof(struct gbm_dri_device, dri2), false },
{ NULL, 0, 0 }
};
static struct dri_extension_match gbm_swrast_device_extensions[] = {
{ __DRI_CORE, 1, offsetof(struct gbm_dri_device, core), false },
{ __DRI_SWRAST, 1, offsetof(struct gbm_dri_device, swrast), false },
{ NULL, 0, 0 }
};
static bool
dri_bind_extensions(struct gbm_dri_device *dri,
struct dri_extension_match *matches,
struct dri_extension_match *matches, size_t num_matches,
const __DRIextension **extensions)
{
int i, j;
@ -289,7 +286,7 @@ dri_bind_extensions(struct gbm_dri_device *dri,
void *field;
for (i = 0; extensions[i]; i++) {
for (j = 0; matches[j].name; j++) {
for (j = 0; j < num_matches; j++) {
if (strcmp(extensions[i]->name, matches[j].name) == 0 &&
extensions[i]->version >= matches[j].version) {
field = ((char *) dri + matches[j].offset);
@ -298,7 +295,7 @@ dri_bind_extensions(struct gbm_dri_device *dri,
}
}
for (j = 0; matches[j].name; j++) {
for (j = 0; j < num_matches; j++) {
field = ((char *) dri + matches[j].offset);
if ((*(const __DRIextension **) field == NULL) && !matches[j].optional) {
ret = false;
@ -342,7 +339,9 @@ dri_load_driver(struct gbm_dri_device *dri)
if (!extensions)
return -1;
if (!dri_bind_extensions(dri, gbm_dri_device_extensions, extensions)) {
if (!dri_bind_extensions(dri, gbm_dri_device_extensions,
ARRAY_SIZE(gbm_dri_device_extensions),
extensions)) {
dlclose(dri->driver);
fprintf(stderr, "failed to bind extensions\n");
return -1;
@ -362,7 +361,9 @@ dri_load_driver_swrast(struct gbm_dri_device *dri)
if (!extensions)
return -1;
if (!dri_bind_extensions(dri, gbm_swrast_device_extensions, extensions)) {
if (!dri_bind_extensions(dri, gbm_swrast_device_extensions,
ARRAY_SIZE(gbm_swrast_device_extensions),
extensions)) {
dlclose(dri->driver);
fprintf(stderr, "failed to bind extensions\n");
return -1;
@ -408,7 +409,9 @@ dri_screen_create_dri2(struct gbm_dri_device *dri, char *driver_name)
return -1;
extensions = dri->core->getExtensions(dri->screen);
if (!dri_bind_extensions(dri, dri_core_extensions, extensions)) {
if (!dri_bind_extensions(dri, dri_core_extensions,
ARRAY_SIZE(dri_core_extensions),
extensions)) {
ret = -1;
goto free_screen;
}