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Main: include/kernaux/printf.h: Remove Easter egg

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This commit is contained in:
Alex Kotov 2022-06-06 05:57:11 +03:00
parent 28e0cf6a54
commit aadd863025
Signed by: kotovalexarian
GPG key ID: 553C0EBBEB5D5F08
6 changed files with 1 additions and 92 deletions
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1
ChangeLog
View file

@ -1,6 +1,7 @@
2022-06-06 Alex Kotov <kotovalexarian@gmail.com>
* include/kernaux/libc.h: Add more functions
* include/kernaux/print.h: Remove Easter egg
2022-06-04 Alex Kotov <kotovalexarian@gmail.com>

1
README.md
View file

@ -119,7 +119,6 @@ stable options.
#### Features
* `--(enable|disable)-bloat` - heavy binary data
* `--(enable|disable)-float` - floating-point arithmetic
* `--(enable|disable)-werror` - fail on warning (`CFLAGS+='-Werror'`)

4
configure.ac
View file

@ -18,7 +18,6 @@ AC_CANONICAL_HOST
###############
dnl Features (enabled by default)
AC_ARG_ENABLE([bloat], AS_HELP_STRING([--disable-bloat], [disable unnecessary heavy binary data]))
AC_ARG_ENABLE([float], AS_HELP_STRING([--disable-float], [disable floating-point arithmetic]))
AC_ARG_ENABLE([werror], AS_HELP_STRING([--disable-werror], [disable -Werror]))
@ -106,7 +105,6 @@ AS_IF([test "$with_libc_all" = yes], do_with_libc_all)
##################
dnl Features (enabled by default)
AS_IF([test "$enable_bloat" = no ], [enable_bloat=no], [enable_bloat=yes])
AS_IF([test "$enable_float" = no ], [enable_float=no], [enable_float=yes])
AS_IF([test "$enable_werror" = no ], [enable_werror=no], [enable_werror=yes])
@ -167,7 +165,6 @@ AM_CONDITIONAL([ASM_RISCV64], [test "$host_cpu" = riscv64])
AM_CONDITIONAL([ASM_X86_64], [test "$host_cpu" = x86_64])
dnl Features (enabled by default)
AM_CONDITIONAL([ENABLE_BLOAT], [test "$enable_bloat" = yes])
AM_CONDITIONAL([ENABLE_FLOAT], [test "$enable_float" = yes])
AM_CONDITIONAL([ENABLE_WERROR], [test "$enable_werror" = yes])
@ -210,7 +207,6 @@ AS_IF([test "$host_cpu" = riscv64], [AC_DEFINE([ASM_RISCV64], [1]
AS_IF([test "$host_cpu" = x86_64], [AC_DEFINE([ASM_X86_64], [1], [architecture is x86_64])])
dnl Features (enabled by default)
AS_IF([test "$enable_bloat" = yes], [AC_DEFINE([ENABLE_BLOAT], [1], [enabled unnecessary heavy binary data])])
AS_IF([test "$enable_float" = yes], [AC_DEFINE([ENABLE_FLOAT], [1], [enabled floating-point arithmetic])])
AS_IF([test "$enable_werror" = yes], [AC_DEFINE([ENABLE_WERROR], [1], [enabled -Werror])])

2
include/kernaux/printf_fmt.h
View file

@ -19,7 +19,6 @@ extern "C" {
#define KERNAUX_PRINTF_FMT_FLAGS_LONG_LONG (1u << 9u)
#define KERNAUX_PRINTF_FMT_FLAGS_PRECISION (1u << 10u)
#define KERNAUX_PRINTF_FMT_FLAGS_ADAPT_EXP (1u << 11u)
#define KERNAUX_PRINTF_FMT_FLAGS_CUSTOM (1u << 12u)
enum KernAux_PrintfFmt_Type {
KERNAUX_PRINTF_FMT_TYPE_NONE,
@ -29,7 +28,6 @@ enum KernAux_PrintfFmt_Type {
KERNAUX_PRINTF_FMT_TYPE_EXP,
KERNAUX_PRINTF_FMT_TYPE_CHAR,
KERNAUX_PRINTF_FMT_TYPE_STR,
KERNAUX_PRINTF_FMT_TYPE_CUSTOM,
KERNAUX_PRINTF_FMT_TYPE_PTR,
KERNAUX_PRINTF_FMT_TYPE_PERCENT,
};

66
src/printf.c
View file

@ -56,10 +56,6 @@ static size_t _ntoa_format(out_fct_type out, char* buffer, size_t idx, size_t ma
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);
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);
#ifdef ENABLE_BLOAT
static char _custom(unsigned int flags, size_t *index);
#endif // ENABLE_BLOAT
#ifdef ENABLE_FLOAT
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);
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);
@ -244,18 +240,6 @@ int _vsnprintf(out_fct_type out, char* buffer, const size_t maxlen, const char*
break;
}
#ifdef ENABLE_BLOAT
case KERNAUX_PRINTF_FMT_TYPE_CUSTOM:
{
size_t index = 0;
char c;
while ((c = _custom(spec.flags, &index))) {
out(c, buffer, idx++, maxlen);
}
}
break;
#endif // ENABLE_BLOAT
case KERNAUX_PRINTF_FMT_TYPE_PTR:
{
const bool is_ll = sizeof(uintptr_t) == sizeof(long long);
@ -435,56 +419,6 @@ size_t _ntoa_long_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen
return _ntoa_format(out, buffer, idx, maxlen, buf, len, negative, (unsigned int)base, prec, width, flags);
}
#ifdef ENABLE_BLOAT
/**
* Idea: superleaf1995
* Implementation: smwmaster
*/
static const size_t map_size = 630;
static const char *const map =
"\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xD3\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\xFE\xF7\xF7\xF9\xF7"
"\xFE\xF5\xF5\xF9\xF7\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\xE2\xA1\x96\x96\x96\x96\x96\xB2\xBD"
"\xB6\xE3\xF5\xFE\xF9\xF9\xF9\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF7\xE2\x81\x81\x92\xE9\x96\x96\xE9\xE9\x92\x97\x97\x96"
"\xFE\xFE\xF7\xF9\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
"\xF7\xF7\xE9\xB5\xF7\xE2\xB5\xB6\xA1\xA1\xA1\xB5\xE2\xE3\x81\x92\xF5\xF7"
"\xF9\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\xB2\x97"
"\xB2\xF7\xF7\xE2\xBA\xBA\xE3\xE2\xF5\xFE\xE2\x81\x97\xE9\xF7\xF7\xF9\xF9"
"\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xBA\x81\x97\x97\x97\x96"
"\xA1\xBD\xBD\xA1\xB2\xE9\x97\x97\x97\x97\x97\xB5\xF7\xF9\xF9\xD3\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\x92\x97\x97\x97\x97\x97\x97\x97\x97"
"\x97\x97\x97\x97\x97\x97\x97\x97\xA1\xF7\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF9\xBA\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97"
"\x97\x97\x97\x97\x97\xE9\xF7\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\x96\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97"
"\x97\x97\x92\xF7\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xFE\x81"
"\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x81"
"\xFE\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xB5\x97\x97\x97\x97"
"\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\x97\xF5\xF9\xF9"
"\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF7\x96\x97\x97\x97\xA1\xF5\xF9\xF9"
"\xF9\xF9\xF9\xF9\xFE\x96\x97\x97\x97\x97\x97\x97\xE3\xF9\xF9\xD3\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF9\xF7\xF5\x81\x97\x97\x92\xF7\xF9\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\xFE\x81\x97\x97\x97\x97\x97\xBA\xF9\xF9\xD3\xF9\xF9\xF7\xE2\xBA"
"\xBA\xBA\xF5\xB2\x97\x97\x97\x97\xE3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF5"
"\x81\x97\x97\x97\x97\x97\xE3\xF9\xF9\xD3\xF9\xF9\xFE\xE9\x81\x97\x97\x97"
"\x97\x97\x81\x92\xB2\xF7\xF9\xF9\xF9\xF9\xF9\xF7\xF7\xF7\xB6\x97\x97\x97"
"\x97\x97\x97\xE2\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF9\xF7\xFE\xB2\x92\x81\x81\x97\x97\x97\x97\x97\x97\xE9"
"\xF7\xF9\xF9\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF5\xB2\x96\xE9\xE9\x96\xA1\xBD\xF5\xF9\xF9\xF9\xF9\xF9"
"\xD3\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9"
"\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xF9\xD3\xD3\xD9";
char _custom(const unsigned int flags, size_t *const index)
{
if (*index >= map_size) return '\0';
return map[(*index)++] ^ (73 + ((flags >> 8) | 128));
}
#endif // ENABLE_BLOAT
#ifdef ENABLE_FLOAT
// internal ftoa for fixed decimal floating point
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)

19
src/printf_fmt.c
View file

@ -145,16 +145,6 @@ void KernAux_PrintfFmt_Spec_parse_length(struct KernAux_PrintfFmt_Spec *const sp
spec->flags |= (sizeof(size_t) == sizeof(long) ? KERNAUX_PRINTF_FMT_FLAGS_LONG : KERNAUX_PRINTF_FMT_FLAGS_LONG_LONG);
++(*format);
break;
#ifdef ENABLE_BLOAT
case 'S':
if (*(++(*format)) == 'U') {
spec->flags |= KERNAUX_PRINTF_FMT_FLAGS_CUSTOM;
++(*format);
} else {
--(*format);
}
break;
#endif // ENABLE_BLOAT
default:
break;
}
@ -238,15 +228,6 @@ void KernAux_PrintfFmt_Spec_parse_type(struct KernAux_PrintfFmt_Spec *const spec
++(*format);
break;
#ifdef ENABLE_BLOAT
case 'S':
if (spec->flags & KERNAUX_PRINTF_FMT_FLAGS_CUSTOM) {
spec->type = KERNAUX_PRINTF_FMT_TYPE_CUSTOM;
++(*format);
}
break;
#endif // ENABLE_BLOAT
case 'p':
spec->width = sizeof(void*) * 2u;
spec->flags |= KERNAUX_PRINTF_FMT_FLAGS_ZEROPAD | KERNAUX_PRINTF_FMT_FLAGS_UPPERCASE;