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filemem: fix fwrite() return check in fm_write();

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test `ferror()` also in `fm_err()` if `err` zero and file
NetBSD: add instructions and some workarounds (`getopt_long_only()`
  in particular)
qzint: check `__GNUC__` version for "-Wstringop-truncation"
  suppression
This commit is contained in:
gitlost
2023-12-29 19:34:44 +00:00
parent 98f86727cc
commit 3950b49050
12 changed files with 64 additions and 29 deletions
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backend/filemem.h
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@ -84,7 +84,7 @@ INTERNAL int fm_seek(struct filemem *restrict const fmp, const long offset, cons
/* `ftell()` returns current file/memory offset if successful, -1 on failure */
INTERNAL long fm_tell(struct filemem *restrict const fmp);
/* Return `err`, which uses `errno` values */
/* Return `err`, which uses `errno` values; if file and `err` not set, test `ferror()` also */
INTERNAL int fm_error(struct filemem *restrict const fmp);
/* `fflush()` if file, no-op if memory, returning 1 on success, 0 on failure