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Fix warnings

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This change fixes Cosmopolitan so it has fewer opinions about compiler
warnings. The whole repository had to be cleaned up to be buildable in
-Werror -Wall mode. This lets us benefit from things like strict const
checking. Some actual bugs might have been caught too.
This commit is contained in:
Justine Tunney 2023-09-01 20:49:13 -07:00
parent e2b3c3618e
commit 0d748ad58e
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GPG key ID: BE714B4575D6E328
571 changed files with 1306 additions and 1888 deletions
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104
libc/integral/c.inc
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@ -651,101 +651,13 @@ void abort(void) wontreturn;
#define initarray _Section(".init_array")
#endif
#ifndef __STRICT_ANSI__
#if defined(__GNUC__) || defined(__llvm__)
#pragma GCC diagnostic ignored \
"-Wundef" /* complaints about __ASSEMBLER__/__LINKER__ */
#pragma GCC diagnostic ignored "-Wsign-compare" /* lint needs to change */
#pragma GCC diagnostic ignored "-Wtype-limits" /* makes macros unsafe */
#pragma GCC diagnostic ignored "-Woverflow" /* also breaks macros */
#pragma GCC diagnostic ignored "-Wformat" /* forces only gnu pf */
#pragma GCC diagnostic ignored "-Wunused-parameter" /* extreme prejudice */
#pragma GCC diagnostic ignored "-Wunused-function" /* contradicts dce! */
#pragma GCC diagnostic ignored "-Wunused-const-variable" /* let me dce */
#pragma GCC diagnostic ignored "-Wunused-variable" /* belongs in tidy */
#pragma GCC diagnostic ignored "-Wformat-extra-args" /* is also broken */
#pragma GCC diagnostic ignored "-Wparentheses" /* annoying tidy */
#pragma GCC diagnostic ignored "-Wdangling-else" /* come on tidy */
#pragma GCC diagnostic ignored "-Wformat-security" /* come on tidy */
#pragma GCC diagnostic ignored "-Wunused-value" /* breaks macros */
#pragma GCC diagnostic ignored "-Wdeprecated-declarations" /* libcxx */
#pragma GCC diagnostic ignored "-Wformat" /* todo: patch gcc */
#pragma GCC diagnostic ignored "-Wformat-extra-args" /* todo: patch gcc */
#pragma GCC diagnostic ignored "-Wunused-function" /* contradicts dce */
#pragma GCC diagnostic ignored "-Wunused-const-variable" /* sooo ridiculous */
#ifndef __cplusplus
#pragma GCC diagnostic ignored "-Wimplicit-int"
#pragma GCC diagnostic ignored "-Wc++-compat"
#endif /* C++ */
#endif /* GCC || LLVM */
#if defined(__GNUC__) && !defined(__llvm__)
/* why we need authorization to name a variable `yn' */
#pragma GCC diagnostic ignored "-Wbuiltin-declaration-mismatch"
#pragma GCC diagnostic ignored "-Wfree-nonheap-object" /* broken #54202 */
#ifndef __cplusplus
#if __GNUC__ >= 6
#pragma GCC diagnostic ignored /* wut */ "-Wdiscarded-qualifiers"
#pragma GCC diagnostic ignored /* tidy */ "-Wunused-but-set-variable"
#pragma GCC diagnostic ignored /* tidy */ "-Wunused-but-set-parameter"
#endif /* GCC6+ */
#if __GNUC__ >= 8
#pragma GCC diagnostic ignored "-Wstringop-truncation"
#pragma GCC diagnostic ignored "-Wstringop-overflow" /* breaks strndup */
#endif /* GCC8+ */
#if __GNUC__ + 0 >= 9
#pragma GCC diagnostic ignored /* "always true" breaks dce */ "-Waddress"
#if __GNUC__ >= 11
#pragma GCC diagnostic ignored /* annoying */ "-Wattributes"
#pragma GCC diagnostic ignored /* orwellian */ "-Wold-style-definition"
#pragma GCC diagnostic ignored /* what? */ "-Wformat-overflow"
#endif /* GCC11+ */
#endif /* GCC9+ */
#endif /* !C++ */
#endif /* GCC && !LLVM */
#ifdef __llvm__
#pragma clang diagnostic ignored \
"-Wincompatible-pointer-types-discards-qualifiers"
#pragma clang diagnostic ignored "-Wbuiltin-requires-header"
#pragma clang diagnostic ignored "-Wparentheses-equality" /*-save-temps*/
#pragma clang diagnostic ignored "-Wunused-value" /*({-save-temps})*/
#pragma clang diagnostic ignored "-Wstring-plus-int" /* special ed */
#pragma clang diagnostic ignored "-Wunused-value" /* extreme prejudice */
#pragma clang diagnostic ignored "-Wbuiltin-requires-header"
#pragma clang diagnostic ignored \
"-Wincompatible-pointer-types-discards-qualifiers"
#endif /* !GCC && LLVM */
#endif /* ANSI */
#ifndef __W__
#ifndef __STRICT_ANSI__
#if defined(__GNUC__) || defined(__llvm__)
#pragma GCC diagnostic error "-Wpointer-arith"
#pragma GCC diagnostic error "-Wnonnull"
#pragma GCC diagnostic error "-Wunused-result"
#pragma GCC diagnostic error "-Wstrict-aliasing"
#ifndef __cplusplus
#pragma GCC diagnostic error "-Wimplicit-function-declaration"
#if __GNUC__ >= 6
#pragma GCC diagnostic error "-Wincompatible-pointer-types"
#if __GNUC__ >= 8
#pragma GCC diagnostic error "-Wmultistatement-macros"
#pragma GCC diagnostic error "-Wpacked-not-aligned"
#pragma GCC diagnostic error "-Wcast-align=strict"
#pragma GCC diagnostic error "-Wif-not-aligned"
#endif /* GCC 8+ */
#endif /* GCC 6+ */
#endif /* __cplusplus */
#endif /* GCC || LLVM */
#if defined(__GNUC__) && !defined(__llvm__)
#pragma GCC diagnostic error "-Wwrite-strings"
#pragma GCC diagnostic error "-Wtrampolines"
#if __GNUC__ >= 6
#pragma GCC diagnostic error "-Wnonnull-compare"
#elif __GNUC__ >= 9
#pragma GCC diagnostic error /* e.g. fabs not abs */ "-Wabsolute-value"
#endif /* GCC 6+ */
#endif /* GCC && !LLVM */
#ifdef __llvm__
#pragma clang diagnostic error "-Wassume"
#endif /* !GCC && LLVM */
#endif /* ANSI */
#endif /* -w */
#pragma GCC diagnostic ignored "-Wold-style-definition" /* orwellian bulls */
#endif
#ifndef __STRICT_ANSI__
#ifdef __x86_64__
@ -829,9 +741,13 @@ void abort(void) wontreturn;
#define __strong_reference(sym, alias) __weak_reference(sym, alias)
#endif
#if defined(__GNUC__) || defined(__llvm__)
#define __funline \
extern __inline \
__attribute__((__gnu_inline__, __always_inline__, __artificial__))
#else
#define __funline static inline
#endif
#define MACHINE_CODE_ANALYSIS_BEGIN_
#define MACHINE_CODE_ANALYSIS_END_