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util/build-id: Return a pointer rather than copying the data

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We're about to use the build-id as the starting point for another SHA1
hash in the Intel Vulkan driver, and returning a pointer is far more
convenient.

Reviewed-by: Chad Versace <chadversary@chromium.org>
This commit is contained in:
Jason Ekstrand 2017-02-24 16:29:26 -08:00
parent e3d33a23e6
commit e647c4fbd9
3 changed files with 6 additions and 8 deletions
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2
src/intel/vulkan/anv_device.c
View file

@ -63,7 +63,7 @@ anv_device_get_cache_uuid(void *uuid)
if (len < VK_UUID_SIZE)
return false;
build_id_read(note, uuid, VK_UUID_SIZE);
memcpy(uuid, build_id_data(note), VK_UUID_SIZE);
return true;
}

7
src/util/build_id.c
View file

@ -107,11 +107,10 @@ build_id_length(const struct build_id_note *note)
return note->nhdr.n_descsz;
}
void
build_id_read(const struct build_id_note *note,
unsigned char *build_id, size_t n)
const uint8_t *
build_id_data(const struct build_id_note *note)
{
memcpy(build_id, note->build_id, n);
return note->build_id;
}
#endif

5
src/util/build_id.h
View file

@ -31,8 +31,7 @@ build_id_find_nhdr(const char *filename);
unsigned
build_id_length(const struct build_id_note *note);
void
build_id_read(const struct build_id_note *note,
unsigned char *build_id, size_t n);
const uint8_t *
build_id_data(const struct build_id_note *note);
#endif