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'info mount' doesn't follow ref
From: |
Vitezslav Crhonek |
Subject: |
'info mount' doesn't follow ref |
Date: |
Mon, 3 Jul 2017 15:17:33 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
Hello,
Running 'info mount' and following '*Note POSIX Safety Concepts'
leads to 'POSIX Safety Concepts: No such file or directory'
error.
I was able to reproduce the issue on Fedora and Arch Linux.
Here's content of the infodebug file:
info: looking for file "/usr/share/info/libc.info-11"
info: found file /usr/share/info/libc.info-11.gz
info: looking for file "POSIX Safety Concepts"
info: looking for file POSIX Safety Concepts in /usr/share/info
info: looking for file POSIX Safety Concepts in /usr/local/share/info
info: looking for file POSIX Safety Concepts in .
info: looking for file "posix safety concepts"
info: looking for file posix safety concepts in /usr/share/info
info: looking for file posix safety concepts in /usr/local/share/info
info: looking for file posix safety concepts in .
On the other hand 'info libc' and following the same link
works fine:
info: looking for file "libc"
info: looking for file libc in /usr/share/info
info: found file /usr/share/info/libc.info.gz
info: looking for file "/usr/share/info/libc.info-1"
info: found file /usr/share/info/libc.info-1.gz
The culprit seems to be info_find_subfile() function in nodes.c,
more precisely this line:
/* Check if fullpath starts the name of the recorded file (extra
extensions like ".info.gz" could be added.) */
if (!strncmp (file_buffer->fullpath, fullpath, strlen (fullpath)))
If "/usr/share/info/libc.info-11" is on the list of already
loaded files ('info mount' case), that comparison falsely succeeds
(!strncmp ("/usr/share/info/libc.info-11",
"/usr/share/info/libc.info-1",
27))
But the node obviously isn't present there and following the reference
fails in the end. Otherwise correct file
"/usr/share/info/libc.info-1.gz" is found and the node is displayed.
Best regards,
Vita
--
Vitezslav Crhonek
Software Engineer
Red Hat
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- 'info mount' doesn't follow ref,
Vitezslav Crhonek <=