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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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33
libc/time/struct/tm.h
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@ -16,26 +16,27 @@ struct tm {
const char *tm_zone;
};
char *asctime(const struct tm *);
char *asctime_r(const struct tm *, char[hasatleast 26]);
char *strptime(const char *, const char *, struct tm *);
int64_t mktime(struct tm *);
int64_t timegm(struct tm *);
int64_t timelocal(struct tm *);
int64_t timeoff(struct tm *, long);
size_t strftime(char *, size_t, const char *, const struct tm *)
strftimeesque(3);
size_t wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm *);
struct tm *gmtime(const int64_t *);
struct tm *gmtime_r(const int64_t *, struct tm *);
struct tm *localtime(const int64_t *);
struct tm *localtime_r(const int64_t *, struct tm *);
char *asctime(const struct tm *) libcesque;
char *asctime_r(const struct tm *, char[hasatleast 26]) libcesque;
char *strptime(const char *, const char *, struct tm *) libcesque;
int64_t mktime(struct tm *) libcesque;
int64_t timegm(struct tm *) libcesque;
int64_t timelocal(struct tm *) libcesque;
int64_t timeoff(struct tm *, long) libcesque;
size_t strftime(char *, size_t, const char *, const struct tm *) libcesque
strftimeesque(3) libcesque;
size_t wcsftime(wchar_t *, size_t, const wchar_t *,
const struct tm *) libcesque;
struct tm *gmtime(const int64_t *) libcesque;
struct tm *gmtime_r(const int64_t *, struct tm *) libcesque;
struct tm *localtime(const int64_t *) libcesque;
struct tm *localtime_r(const int64_t *, struct tm *) libcesque;
#ifdef _COSMO_SOURCE
#define iso8601 __iso8601
#define iso8601us __iso8601us
char *iso8601(char[hasatleast 20], struct tm *);
char *iso8601us(char[hasatleast 27], struct tm *, long);
char *iso8601(char[hasatleast 20], struct tm *) libcesque;
char *iso8601us(char[hasatleast 27], struct tm *, long) libcesque;
#endif /* _COSMO_SOURCE */
COSMOPOLITAN_C_END_