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f4131cf8a6
This was a bit trickier than it should be due to symbol conflicts with zig's compiler-rt implementation. We attempt to use weak linkage in our compiler-rt, but this does not seem to be working in all cases. I manually disabled export of the problematic compiler-rt math functions in order to cross compile musl's libc.so for all targets as input to `tools/gen_stubs.zig`. Other than that, this update went fairly smoothly. Quite a few additional symbols were added to the blacklist in `tools/gen_stubs.zig` due to recent reorganization of zig's compiler-rt.
31 lines
592 B
C
Vendored
31 lines
592 B
C
Vendored
#include <stdlib.h>
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#include "shgetc.h"
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#include "floatscan.h"
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#include "stdio_impl.h"
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static long double strtox(const char *s, char **p, int prec)
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{
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FILE f;
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sh_fromstring(&f, s);
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shlim(&f, 0);
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long double y = __floatscan(&f, prec, 1);
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off_t cnt = shcnt(&f);
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if (p) *p = cnt ? (char *)s + cnt : (char *)s;
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return y;
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}
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float strtof(const char *restrict s, char **restrict p)
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{
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return strtox(s, p, 0);
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}
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double strtod(const char *restrict s, char **restrict p)
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{
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return strtox(s, p, 1);
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}
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long double strtold(const char *restrict s, char **restrict p)
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{
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return strtox(s, p, 2);
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}
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