mirror of https://github.com/tailix/libkernaux.git
Implement custom format
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parent
a814d99784
commit
a7de35d8dc
58
src/printf.c
58
src/printf.c
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@ -99,6 +99,7 @@ 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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@ -404,11 +405,15 @@ int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char*
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}
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case 'S':
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if (flags & FLAGS_CUSTOM) {
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// TODO: implement this
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}
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{
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format++;
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size_t index = 0;
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char c;
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while ((c = _custom(flags, &index))) {
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out(c, buffer, idx++, maxlen);
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}
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break;
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}
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case 'p':
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{
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@ -625,6 +630,53 @@ size_t _ntoa_long_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen
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}
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#endif // PRINTF_SUPPORT_LONG_LONG
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static const char *const map =
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"\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xD3\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\xFE\xF7\xF7\xF9\xF7"
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"\xFE\xF5\xF5\xF9\xF7\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\xE2\xA1\x96\x96\x96\x96\x96\xB2\xBD"
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"\xB6\xE3\xF5\xFE\xF9\xF9\xF9\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF7\xE2\x81\x81\x92\xE9\x96\x96\xE9\xE9\x92\x97\x97\x96"
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"\xFE\xFE\xF7\xF9\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
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"\xF7\xF7\xE9\xB5\xF7\xE2\xB5\xB6\xA1\xA1\xA1\xB5\xE2\xE3\x81\x92\xF5\xF7"
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"\xF9\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\xB2\x97"
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"\xB2\xF7\xF7\xE2\xBA\xBA\xE3\xE2\xF5\xFE\xE2\x81\x97\xE9\xF7\xF7\xF9\xF9"
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"\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xBA\x81\x97\x97\x97\x96"
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"\xA1\xBD\xBD\xA1\xB2\xE9\x97\x97\x97\x97\x97\xB5\xF7\xF9\xF9\xD3\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\x92\x97\x97\x97\x97\x97\x97\x97\x97"
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"\x97\x97\x97\x97\x97\x97\x97\x97\xA1\xF7\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF9\xBA\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97"
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"\x97\x97\x97\x97\x97\xE9\xF7\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\x96\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97"
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"\x97\x97\x92\xF7\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xFE\x81"
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"\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x81"
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"\xFE\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xB5\x97\x97\x97\x97"
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"\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\xF5\xF9\xF9"
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"\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\x96\x97\x97\x97\xA1\xF5\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xFE\x96\x97\x97\x97\x97\x97\x97\xE3\xF9\xF9\xD3\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF9\xF7\xF5\x81\x97\x97\x92\xF7\xF9\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\xFE\x81\x97\x97\x97\x97\x97\xBA\xF9\xF9\xD3\xF9\xF9\xF7\xE2\xBA"
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"\xBA\xBA\xF5\xB2\x97\x97\x97\x97\xE3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF5"
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"\x81\x97\x97\x97\x97\x97\xE3\xF9\xF9\xD3\xF9\xF9\xFE\xE9\x81\x97\x97\x97"
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"\x97\x97\x81\x92\xB2\xF7\xF9\xF9\xF9\xF9\xF9\xF7\xF7\xF7\xB6\x97\x97\x97"
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"\x97\x97\x97\xE2\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF9\xF7\xFE\xB2\x92\x81\x81\x97\x97\x97\x97\x97\x97\xE9"
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"\xF7\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF5\xB2\x96\xE9\xE9\x96\xA1\xBD\xF5\xF9\xF9\xF9\xF9\xF9"
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"\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
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"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xD3\xD3\xD9"
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"\xD9\xD9\xC1\x04&&i\x05&&i\x05&&\xC9\x04&&i\x05&&i\x05&&i\x05&&i\x05&&i"
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"\x05&&i\x05&&i\x05&&\xD1\x04&&i\x05&&\xD9\x04&&i\x05&&i\x05&&)\x05&&\xFB"
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"\x06&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05"
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"&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&-\x05&&"
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"\xD1\x06&&-\x05&&\xCA\x04&&-\x05&&";
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char _custom(const unsigned int flags, size_t *const index)
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{
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return map[(*index)++] ^ (73 + ((flags >> 8) | 128));
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}
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#ifdef ENABLE_FLOAT
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// internal ftoa for fixed decimal floating point
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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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