cosmopolitan/libc/fmt/strtol.internal.h
Justine Tunney 39bf41f4eb Make numerous improvements
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- Add descriptions to strerror() in non-TINY build modes
- Add COUNTBRANCH() macro to help with micro-optimizations
- Make error / backtrace / asan / memory code more unbreakable
- Add fast perfect C implementation of μ-Law and a-Law audio codecs
- Make strtol() functions consistent with other libc implementations
- Improve Linenoise implementation (see also github.com/jart/bestline)
- COMPILE.COM now suppresses stdout/stderr of successful build commands
2021-09-28 01:52:34 -07:00

38 lines
1.5 KiB
C

#ifndef COSMOPOLITAN_LIBC_FMT_STRTOL_H_
#define COSMOPOLITAN_LIBC_FMT_STRTOL_H_
#define CONSUME_SPACES(s, c) \
if (endptr) *endptr = s; \
while (c == ' ' || c == '\t') c = *++s
#define GET_SIGN(s, c, d) \
d = c == '-' ? -1 : 1; \
if (c == '-' || c == '+') c = *++s
#define GET_RADIX(s, c, r) \
if (!(2 <= r && r <= 36)) { \
if (c == '0') { \
t |= 1; \
c = *++s; \
if (c == 'x' || c == 'X') { \
c = *++s; \
r = 16; \
} else if (c == 'b' || c == 'B') { \
c = *++s; \
r = 2; \
} else { \
r = 8; \
} \
} else { \
r = 10; \
} \
} else if (c == '0') { \
t |= 1; \
c = *++s; \
if ((r == 2 && (c == 'b' || c == 'B')) || \
(r == 16 && (c == 'x' || c == 'X'))) { \
c = *++s; \
} \
}
#endif /* COSMOPOLITAN_LIBC_FMT_STRTOL_H_ */