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Add dontthrow attribute to most libc functions

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This will help C++ code that uses exceptions to be tinier. For example,
this change shaves away 1000 lines of assembly code from LLVM's libcxx,
which is 0.7% of all assembly instructions in the entire library.
This commit is contained in:
Justine Tunney 2024-01-09 01:26:03 -08:00
parent cb19e172da
commit eeb20775d2
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GPG key ID: BE714B4575D6E328
103 changed files with 1455 additions and 1456 deletions
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28
libc/stdio/stdio_ext.h
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@ -8,20 +8,20 @@
COSMOPOLITAN_C_START_
size_t __fbufsize(FILE *);
size_t __fpending(FILE *);
int __flbf(FILE *);
int __freadable(FILE *);
int __fwritable(FILE *);
int __freading(FILE *);
int __fwriting(FILE *);
int __fsetlocking(FILE *, int);
void _flushlbf(void);
void __fpurge(FILE *);
void __fseterr(FILE *);
const char *__freadptr(FILE *, size_t *);
size_t __freadahead(FILE *);
void __freadptrinc(FILE *, size_t);
size_t __fbufsize(FILE *) libcesque;
size_t __fpending(FILE *) libcesque;
int __flbf(FILE *) libcesque;
int __freadable(FILE *) libcesque;
int __fwritable(FILE *) libcesque;
int __freading(FILE *) libcesque;
int __fwriting(FILE *) libcesque;
int __fsetlocking(FILE *, int) libcesque;
void _flushlbf(void) libcesque;
void __fpurge(FILE *) libcesque;
void __fseterr(FILE *) libcesque;
const char *__freadptr(FILE *, size_t *) libcesque;
size_t __freadahead(FILE *) libcesque;
void __freadptrinc(FILE *, size_t) libcesque;
COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_STDIO_STDIO_EXT_H_ */