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tool: improve --stderr handling

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- freopen stderr with the user-specified file (--stderr file) instead of
  using a separate 'errors' stream.

- In tool_setup.h override stdio.h's stderr macro as global variable
  tool_stderr.

Both freopen and overriding the stderr macro are necessary because if
the user-specified filename is "-" then stdout is assigned to
tool_stderr and no freopen takes place. See the PR for more information.

Ref: https://github.com/curl/curl/issues/10491

Closes https://github.com/curl/curl/pull/10673
This commit is contained in:
Jay Satiro 2023-03-04 04:07:24 -05:00
parent 395b9175b7
commit 2f17a9b654
14 changed files with 151 additions and 60 deletions
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2
src/tool_cb_prg.c
View file

@ -274,7 +274,7 @@ void progressbarinit(struct ProgressData *bar,
else if(bar->width > MAX_BARLENGTH)
bar->width = MAX_BARLENGTH;
bar->out = config->global->errors;
bar->out = stderr;
bar->tick = 150;
bar->barmove = 1;
}