error: Improve documentation

While there, tighten error_append_hint()'s assertion.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1450452927-8346-6-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
3 files changed
tree: 2fdb4fec96764cf47a103a47ee6169bcebe14d82
  1. audio/
  2. backends/
  3. block/
  4. bsd-user/
  5. contrib/
  6. crypto/
  7. default-configs/
  8. disas/
  9. docs/
  10. fpu/
  11. fsdev/
  12. gdb-xml/
  13. hw/
  14. include/
  15. io/
  16. libdecnumber/
  17. linux-headers/
  18. linux-user/
  19. migration/
  20. net/
  21. pc-bios/
  22. po/
  23. qapi/
  24. qga/
  25. qobject/
  26. qom/
  27. replay/
  28. roms/
  29. scripts/
  30. slirp/
  31. stubs/
  32. target-alpha/
  33. target-arm/
  34. target-cris/
  35. target-i386/
  36. target-lm32/
  37. target-m68k/
  38. target-microblaze/
  39. target-mips/
  40. target-moxie/
  41. target-openrisc/
  42. target-ppc/
  43. target-s390x/
  44. target-sh4/
  45. target-sparc/
  46. target-tilegx/
  47. target-tricore/
  48. target-unicore32/
  49. target-xtensa/
  50. tcg/
  51. tests/
  52. trace/
  53. ui/
  54. util/
  55. .dir-locals.el
  56. .exrc
  57. .gitignore
  58. .gitmodules
  59. .mailmap
  60. .travis.yml
  61. accel.c
  62. aio-posix.c
  63. aio-win32.c
  64. arch_init.c
  65. async.c
  66. balloon.c
  67. block.c
  68. blockdev-nbd.c
  69. blockdev.c
  70. blockjob.c
  71. bootdevice.c
  72. bt-host.c
  73. bt-vhci.c
  74. Changelog
  75. CODING_STYLE
  76. configure
  77. COPYING
  78. COPYING.LIB
  79. cpu-exec-common.c
  80. cpu-exec.c
  81. cpus.c
  82. cputlb.c
  83. device-hotplug.c
  84. device_tree.c
  85. disas.c
  86. dma-helpers.c
  87. dump.c
  88. exec.c
  89. gdbstub.c
  90. HACKING
  91. hmp-commands-info.hx
  92. hmp-commands.hx
  93. hmp.c
  94. hmp.h
  95. iohandler.c
  96. ioport.c
  97. iothread.c
  98. kvm-all.c
  99. kvm-stub.c
  100. LICENSE
  101. main-loop.c
  102. MAINTAINERS
  103. Makefile
  104. Makefile.objs
  105. Makefile.target
  106. memory.c
  107. memory_mapping.c
  108. module-common.c
  109. monitor.c
  110. nbd.c
  111. numa.c
  112. os-posix.c
  113. os-win32.c
  114. page_cache.c
  115. qapi-schema.json
  116. qdev-monitor.c
  117. qdict-test-data.txt
  118. qemu-bridge-helper.c
  119. qemu-char.c
  120. qemu-doc.texi
  121. qemu-ga.texi
  122. qemu-img-cmds.hx
  123. qemu-img.c
  124. qemu-img.texi
  125. qemu-io-cmds.c
  126. qemu-io.c
  127. qemu-log.c
  128. qemu-nbd.c
  129. qemu-nbd.texi
  130. qemu-options-wrapper.h
  131. qemu-options.h
  132. qemu-options.hx
  133. qemu-seccomp.c
  134. qemu-tech.texi
  135. qemu-timer.c
  136. qemu.nsi
  137. qemu.sasl
  138. qjson.c
  139. qmp-commands.hx
  140. qmp.c
  141. qtest.c
  142. README
  143. rules.mak
  144. softmmu_template.h
  145. spice-qemu-char.c
  146. tcg-runtime.c
  147. tci.c
  148. thread-pool.c
  149. thunk.c
  150. tpm.c
  151. trace-events
  152. translate-all.c
  153. translate-all.h
  154. translate-common.c
  155. user-exec.c
  156. VERSION
  157. version.rc
  158. vl.c
  159. xen-common-stub.c
  160. xen-common.c
  161. xen-hvm-stub.c
  162. xen-hvm.c
  163. xen-mapcache.c