pw_blob_store: Add BlobWriterWithBuffer

Adds a helper BlobWriterWithBuffer so users don't need to manually call
RequiredMetadataBufferSize() and allocate an array with the result.

Change-Id: I909c3290993492fc4613fdc1ad1baee9bdbb5e95
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/63164
Pigweed-Auto-Submit: Armando Montanez <amontanez@google.com>
Reviewed-by: Ewout van Bekkum <ewout@google.com>
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
4 files changed
tree: 05d6758a526f0df734c458a8db86040c823bf7e5
  1. build_overrides/
  2. docker/
  3. docs/
  4. pw_allocator/
  5. pw_analog/
  6. pw_android_toolchain/
  7. pw_arduino_build/
  8. pw_assert/
  9. pw_assert_basic/
  10. pw_assert_log/
  11. pw_base64/
  12. pw_bloat/
  13. pw_blob_store/
  14. pw_bluetooth_hci/
  15. pw_boot/
  16. pw_boot_cortex_m/
  17. pw_build/
  18. pw_build_info/
  19. pw_bytes/
  20. pw_checksum/
  21. pw_chrono/
  22. pw_chrono_embos/
  23. pw_chrono_freertos/
  24. pw_chrono_stl/
  25. pw_chrono_threadx/
  26. pw_cli/
  27. pw_console/
  28. pw_containers/
  29. pw_cpu_exception/
  30. pw_cpu_exception_cortex_m/
  31. pw_crypto/
  32. pw_docgen/
  33. pw_doctor/
  34. pw_env_setup/
  35. pw_file/
  36. pw_function/
  37. pw_fuzzer/
  38. pw_hdlc/
  39. pw_hex_dump/
  40. pw_i2c/
  41. pw_interrupt/
  42. pw_interrupt_cortex_m/
  43. pw_kvs/
  44. pw_libc/
  45. pw_log/
  46. pw_log_basic/
  47. pw_log_null/
  48. pw_log_rpc/
  49. pw_log_tokenized/
  50. pw_malloc/
  51. pw_malloc_freelist/
  52. pw_metric/
  53. pw_minimal_cpp_stdlib/
  54. pw_module/
  55. pw_multisink/
  56. pw_package/
  57. pw_persistent_ram/
  58. pw_polyfill/
  59. pw_preprocessor/
  60. pw_presubmit/
  61. pw_protobuf/
  62. pw_protobuf_compiler/
  63. pw_random/
  64. pw_result/
  65. pw_ring_buffer/
  66. pw_router/
  67. pw_rpc/
  68. pw_snapshot/
  69. pw_software_update/
  70. pw_span/
  71. pw_status/
  72. pw_stm32cube_build/
  73. pw_stream/
  74. pw_string/
  75. pw_symbolizer/
  76. pw_sync/
  77. pw_sync_baremetal/
  78. pw_sync_embos/
  79. pw_sync_freertos/
  80. pw_sync_stl/
  81. pw_sync_threadx/
  82. pw_sys_io/
  83. pw_sys_io_arduino/
  84. pw_sys_io_baremetal_lm3s6965evb/
  85. pw_sys_io_baremetal_stm32f429/
  86. pw_sys_io_stdio/
  87. pw_target_runner/
  88. pw_thread/
  89. pw_thread_embos/
  90. pw_thread_freertos/
  91. pw_thread_stl/
  92. pw_thread_threadx/
  93. pw_tls_client/
  94. pw_tls_client_boringssl/
  95. pw_tls_client_mbedtls/
  96. pw_tokenizer/
  97. pw_tool/
  98. pw_toolchain/
  99. pw_trace/
  100. pw_trace_tokenized/
  101. pw_transfer/
  102. pw_unit_test/
  103. pw_varint/
  104. pw_watch/
  105. pw_web_ui/
  106. pw_work_queue/
  107. targets/
  108. third_party/
  109. .bazelignore
  110. .bazelrc
  111. .clang-format
  112. .clang-tidy
  113. .eslintrc.json
  114. .gitattributes
  115. .gitignore
  116. .gn
  117. .prettierrc.js
  118. .pylintrc
  119. activate.bat
  120. AUTHORS
  121. bootstrap.bat
  122. bootstrap.sh
  123. BUILD.bazel
  124. BUILD.gn
  125. BUILDCONFIG.gn
  126. CMakeLists.txt
  127. LICENSE
  128. modules.gni
  129. OWNERS
  130. package.json
  131. PW_PLUGINS
  132. README.md
  133. tsconfig.json
  134. WORKSPACE
  135. yarn.lock
README.md

See our website: http://pigweed.dev