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include/curl/mprintf.h: add __attribute__ for the prototypes #11589

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include/curl/mprintf.h: add __attribute__ for the prototypes #11589

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@bagder bagder commented Aug 4, 2023 •
edited

  • if gcc or clang is used
  • if __STDC_VERSION__ >= 199901L, which means greater than C90
  • if not using mingw
  • only if CURL_NO_FMT_CHECKS is not defined

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bagder commented Aug 4, 2023

  1. It might be a little "dangerous" to add this in the public header and thus impose this on "everyone"
  2. the infof() and failf() format checks we have are disabled on mingw32. Do we need that here as well?

@github-actions github-actions bot added the tests label Aug 4, 2023
@bagder bagder marked this pull request as ready for review August 6, 2023 20:16
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bagder commented Aug 6, 2023

2: yes, mingw will warn on use of the 'z' flag and we can't have that

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include/curl/mprintf.h: add __attribute__ for the prototypes
07a3be8 
- if gcc or clang is used
- if __STDC_VERSION__ >= 199901L, which means greater than C90
- if not using mingw
- if CURL_NO_FMT_CHECKS is not defined
@bagder
tests: fix header scan tools for attribute edits in mprintf.h
8aad394
@bagder
tests: fix bad printf format flags in test code
6d42c0f
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bagder commented Aug 7, 2023

I'll take my chances and merge this. If it backfires, we can maybe make the mprintf.h defines only apply when building libcurl.

@bagder bagder closed this in cfe85ca Aug 7, 2023
@bagder bagder deleted the bagder/printf-attributes branch August 9, 2023 08:06
ptitSeb pushed a commit to wasix-org/curl that referenced this pull request Sep 25, 2023
@bagder @ptitSeb
include/curl/mprintf.h: add __attribute__ for the prototypes
a95dca0 
- if gcc or clang is used
- if __STDC_VERSION__ >= 199901L, which means greater than C90
- if not using mingw
- if CURL_NO_FMT_CHECKS is not defined

Closes curl#11589
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