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https://github.com/tailix/libkernaux.git
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Remove unnecessary conditional compilation
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parent
3e99b65cf1
commit
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GPG key ID:
553C0EBBEB5D5F08
1 changed files with 1 additions and 37 deletions
38
src/printf.c
38
src/printf.c
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@ -28,22 +28,12 @@
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// float number including padded zeros (dynamically created on stack)
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#define PRINTF_FTOA_BUFFER_SIZE 32u
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// support for exponential floating point notation (%e/%g)
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#define PRINTF_SUPPORT_EXPONENTIAL
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// define the default floating point precision
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#define PRINTF_DEFAULT_FLOAT_PRECISION 6u
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// define the largest float suitable to print with %f
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#define PRINTF_MAX_FLOAT 1e9
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// support for the long long types (%llu or %p)
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#define PRINTF_SUPPORT_LONG_LONG
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// support for the ptrdiff_t type (%t)
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// ptrdiff_t is normally defined in <stddef.h> as long or long long type
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#define PRINTF_SUPPORT_PTRDIFF_T
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// internal flag definitions
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#define FLAGS_ZEROPAD (1u << 0u)
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#define FLAGS_LEFT (1u << 1u)
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@ -78,18 +68,12 @@ static unsigned int _atoi(const char** str);
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static size_t _out_rev(out_fct_type out, char* buffer, size_t idx, size_t maxlen, const char* buf, size_t len, unsigned int width, unsigned int flags);
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static size_t _ntoa_format(out_fct_type out, char* buffer, size_t idx, size_t maxlen, char* buf, size_t len, bool negative, unsigned int base, unsigned int prec, unsigned int width, unsigned int flags);
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static size_t _ntoa_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen, unsigned long value, bool negative, unsigned long base, unsigned int prec, unsigned int width, unsigned int flags);
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static char _custom(unsigned int flags, size_t *index);
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#ifdef PRINTF_SUPPORT_LONG_LONG
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static size_t _ntoa_long_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen, unsigned long long value, bool negative, unsigned long long base, unsigned int prec, unsigned int width, unsigned int flags);
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#endif // PRINTF_SUPPORT_LONG_LONG
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static char _custom(unsigned int flags, size_t *index);
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#ifdef ENABLE_FLOAT
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static size_t _ftoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double value, unsigned int prec, unsigned int width, unsigned int flags);
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#ifdef PRINTF_SUPPORT_EXPONENTIAL
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static size_t _etoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double value, unsigned int prec, unsigned int width, unsigned int flags);
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#endif // PRINTF_SUPPORT_EXPONENTIAL
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#endif // ENABLE_FLOAT
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/*******************************
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@ -222,12 +206,10 @@ int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char*
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format++;
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}
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break;
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#ifdef PRINTF_SUPPORT_PTRDIFF_T
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case 't':
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flags |= (sizeof(ptrdiff_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
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format++;
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break;
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#endif
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case 'j':
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flags |= (sizeof(intmax_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
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format++;
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@ -289,10 +271,8 @@ int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char*
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if ((*format == 'i') || (*format == 'd')) {
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// signed
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if (flags & FLAGS_LONG_LONG) {
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#ifdef PRINTF_SUPPORT_LONG_LONG
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const long long value = va_arg(va, long long);
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idx = _ntoa_long_long(out, buffer, idx, maxlen, (unsigned long long)(value > 0 ? value : 0 - value), value < 0, base, precision, width, flags);
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#endif
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} else if (flags & FLAGS_LONG) {
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const long value = va_arg(va, long);
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idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned long)(value > 0 ? value : 0 - value), value < 0, base, precision, width, flags);
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@ -303,9 +283,7 @@ int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char*
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} else {
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// unsigned
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if (flags & FLAGS_LONG_LONG) {
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#ifdef PRINTF_SUPPORT_LONG_LONG
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idx = _ntoa_long_long(out, buffer, idx, maxlen, va_arg(va, unsigned long long), false, base, precision, width, flags);
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#endif
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} else if (flags & FLAGS_LONG) {
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idx = _ntoa_long(out, buffer, idx, maxlen, va_arg(va, unsigned long), false, base, precision, width, flags);
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} else {
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@ -323,7 +301,6 @@ int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char*
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idx = _ftoa(out, buffer, idx, maxlen, va_arg(va, double), precision, width, flags);
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format++;
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break;
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#ifdef PRINTF_SUPPORT_EXPONENTIAL
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case 'e':
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case 'E':
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case 'g':
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@ -333,7 +310,6 @@ int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char*
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idx = _etoa(out, buffer, idx, maxlen, va_arg(va, double), precision, width, flags);
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format++;
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break;
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#endif // PRINTF_SUPPORT_EXPONENTIAL
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#endif // ENABLE_FLOAT
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case 'c':
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{
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@ -398,16 +374,12 @@ int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char*
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{
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width = sizeof(void*) * 2u;
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flags |= FLAGS_ZEROPAD | FLAGS_UPPERCASE;
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#ifdef PRINTF_SUPPORT_LONG_LONG
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const bool is_ll = sizeof(uintptr_t) == sizeof(long long);
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if (is_ll) {
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idx = _ntoa_long_long(out, buffer, idx, maxlen, (uintptr_t)va_arg(va, void*), false, 16u, precision, width, flags);
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} else {
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#endif
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idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned long)((uintptr_t)va_arg(va, void*)), false, 16u, precision, width, flags);
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#ifdef PRINTF_SUPPORT_LONG_LONG
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}
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#endif
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format++;
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break;
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}
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@ -576,7 +548,6 @@ size_t _ntoa_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen, uns
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}
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// internal itoa for 'long long' type
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#ifdef PRINTF_SUPPORT_LONG_LONG
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size_t _ntoa_long_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen, unsigned long long value, bool negative, unsigned long long base, unsigned int prec, unsigned int width, unsigned int flags)
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{
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char buf[PRINTF_NTOA_BUFFER_SIZE];
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@ -598,7 +569,6 @@ size_t _ntoa_long_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen
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return _ntoa_format(out, buffer, idx, maxlen, buf, len, negative, (unsigned int)base, prec, width, flags);
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}
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#endif // PRINTF_SUPPORT_LONG_LONG
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/**
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* Idea: superleaf1995
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@ -673,11 +643,7 @@ size_t _ftoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double v
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// test for very large values
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// standard printf behavior is to print EVERY whole number digit -- which could be 100s of characters overflowing your buffers == bad
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if ((value > PRINTF_MAX_FLOAT) || (value < -PRINTF_MAX_FLOAT)) {
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#ifdef PRINTF_SUPPORT_EXPONENTIAL
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return _etoa(out, buffer, idx, maxlen, value, prec, width, flags);
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#else
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return 0u;
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#endif
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}
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// test for negative
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@ -774,7 +740,6 @@ size_t _ftoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double v
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return _out_rev(out, buffer, idx, maxlen, buf, len, width, flags);
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}
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#ifdef PRINTF_SUPPORT_EXPONENTIAL
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// internal ftoa variant for exponential floating-point type, contributed by Martijn Jasperse <m.jasperse@gmail.com>
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size_t _etoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double value, unsigned int prec, unsigned int width, unsigned int flags)
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{
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@ -879,5 +844,4 @@ size_t _etoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double v
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}
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return idx;
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}
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#endif // PRINTF_SUPPORT_EXPONENTIAL
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#endif // ENABLE_FLOAT
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