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-rw-r--r--tinyprintf/tinyprintf.c521
1 files changed, 0 insertions, 521 deletions
diff --git a/tinyprintf/tinyprintf.c b/tinyprintf/tinyprintf.c
deleted file mode 100644
index 42d05b0..0000000
--- a/tinyprintf/tinyprintf.c
+++ /dev/null
@@ -1,521 +0,0 @@
-/*
-File: tinyprintf.c
-
-Copyright (C) 2004 Kustaa Nyholm
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Lesser General Public License for more details.
-
-You should have received a copy of the GNU Lesser General Public
-License along with this library; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
-*/
-
-#include "tinyprintf.h"
-
-
-/*
- * Configuration
- */
-
-/* Enable long int support */
-#define PRINTF_LONG_SUPPORT
-
-/* Enable long long int support (implies long int support) */
-//#define PRINTF_LONG_LONG_SUPPORT
-
-/* Enable %z (size_t) support */
-#define PRINTF_SIZE_T_SUPPORT
-
-/*
- * Configuration adjustments
- */
-#ifdef PRINTF_SIZE_T_SUPPORT
-#include <sys/types.h>
-#endif
-
-#ifdef PRINTF_LONG_LONG_SUPPORT
-# define PRINTF_LONG_SUPPORT
-#endif
-
-/* __SIZEOF_<type>__ defined at least by gcc */
-#ifdef __SIZEOF_POINTER__
-# define SIZEOF_POINTER __SIZEOF_POINTER__
-#endif
-#ifdef __SIZEOF_LONG_LONG__
-# define SIZEOF_LONG_LONG __SIZEOF_LONG_LONG__
-#endif
-#ifdef __SIZEOF_LONG__
-# define SIZEOF_LONG __SIZEOF_LONG__
-#endif
-#ifdef __SIZEOF_INT__
-# define SIZEOF_INT __SIZEOF_INT__
-#endif
-
-#ifdef __GNUC__
-# define _TFP_GCC_NO_INLINE_ __attribute__ ((noinline))
-#else
-# define _TFP_GCC_NO_INLINE_
-#endif
-
-/*
- * Implementation
- */
-struct param {
- char lz:1; /**< Leading zeros */
- char alt:1; /**< alternate form */
- char uc:1; /**< Upper case (for base16 only) */
- char align_left:1; /**< 0 == align right (default), 1 == align left */
- unsigned int width; /**< field width */
- char sign; /**< The sign to display (if any) */
- unsigned int base; /**< number base (e.g.: 8, 10, 16) */
- char *bf; /**< Buffer to output */
-};
-
-
-#ifdef PRINTF_LONG_LONG_SUPPORT
-static void _TFP_GCC_NO_INLINE_ ulli2a(
- unsigned long long int num, struct param *p)
-{
- int n = 0;
- unsigned long long int d = 1;
- char *bf = p->bf;
- while (num / d >= p->base)
- d *= p->base;
- while (d != 0) {
- int dgt = num / d;
- num %= d;
- d /= p->base;
- if (n || dgt > 0 || d == 0) {
- *bf++ = dgt + (dgt < 10 ? '0' : (p->uc ? 'A' : 'a') - 10);
- ++n;
- }
- }
- *bf = 0;
-}
-
-static void lli2a(long long int num, struct param *p)
-{
- if (num < 0) {
- num = -num;
- p->sign = '-';
- }
- ulli2a(num, p);
-}
-#endif
-
-#ifdef PRINTF_LONG_SUPPORT
-static void uli2a(unsigned long int num, struct param *p)
-{
- int n = 0;
- unsigned long int d = 1;
- char *bf = p->bf;
- while (num / d >= p->base)
- d *= p->base;
- while (d != 0) {
- int dgt = num / d;
- num %= d;
- d /= p->base;
- if (n || dgt > 0 || d == 0) {
- *bf++ = dgt + (dgt < 10 ? '0' : (p->uc ? 'A' : 'a') - 10);
- ++n;
- }
- }
- *bf = 0;
-}
-
-static void li2a(long num, struct param *p)
-{
- if (num < 0) {
- num = -num;
- p->sign = '-';
- }
- uli2a(num, p);
-}
-#endif
-
-static void ui2a(unsigned int num, struct param *p)
-{
- int n = 0;
- unsigned int d = 1;
- char *bf = p->bf;
- while (num / d >= p->base)
- d *= p->base;
- while (d != 0) {
- int dgt = num / d;
- num %= d;
- d /= p->base;
- if (n || dgt > 0 || d == 0) {
- *bf++ = dgt + (dgt < 10 ? '0' : (p->uc ? 'A' : 'a') - 10);
- ++n;
- }
- }
- *bf = 0;
-}
-
-static void i2a(int num, struct param *p)
-{
- if (num < 0) {
- num = -num;
- p->sign = '-';
- }
- ui2a(num, p);
-}
-
-static int a2d(char ch)
-{
- if (ch >= '0' && ch <= '9')
- return ch - '0';
- else if (ch >= 'a' && ch <= 'f')
- return ch - 'a' + 10;
- else if (ch >= 'A' && ch <= 'F')
- return ch - 'A' + 10;
- else
- return -1;
-}
-
-static char a2u(char ch, const char **src, int base, unsigned int *nump)
-{
- const char *p = *src;
- unsigned int num = 0;
- int digit;
- while ((digit = a2d(ch)) >= 0) {
- if (digit > base)
- break;
- num = num * base + digit;
- ch = *p++;
- }
- *src = p;
- *nump = num;
- return ch;
-}
-
-static void putchw(void *putp, putcf putf, struct param *p)
-{
- char ch;
- int n = p->width;
- char *bf = p->bf;
-
- /* Number of filling characters */
- while (*bf++ && n > 0)
- n--;
- if (p->sign)
- n--;
- if (p->alt && p->base == 16)
- n -= 2;
- else if (p->alt && p->base == 8)
- n--;
-
- /* Fill with space to align to the right, before alternate or sign */
- if (!p->lz && !p->align_left) {
- while (n-- > 0)
- putf(putp, ' ');
- }
-
- /* print sign */
- if (p->sign)
- putf(putp, p->sign);
-
- /* Alternate */
- if (p->alt && p->base == 16) {
- putf(putp, '0');
- putf(putp, (p->uc ? 'X' : 'x'));
- } else if (p->alt && p->base == 8) {
- putf(putp, '0');
- }
-
- /* Fill with zeros, after alternate or sign */
- if (p->lz) {
- while (n-- > 0)
- putf(putp, '0');
- }
-
- /* Put actual buffer */
- bf = p->bf;
- while ((ch = *bf++))
- putf(putp, ch);
-
- /* Fill with space to align to the left, after string */
- if (!p->lz && p->align_left) {
- while (n-- > 0)
- putf(putp, ' ');
- }
-}
-
-void tfp_format(void *putp, putcf putf, const char *fmt, va_list va)
-{
- struct param p;
-#ifdef PRINTF_LONG_SUPPORT
- char bf[23]; /* long = 64b on some architectures */
-#else
- char bf[12]; /* int = 32b on some architectures */
-#endif
- char ch;
- p.bf = bf;
-
- while ((ch = *(fmt++))) {
- if (ch != '%') {
- putf(putp, ch);
- } else {
-#ifdef PRINTF_LONG_SUPPORT
- char lng = 0; /* 1 for long, 2 for long long */
-#endif
- /* Init parameter struct */
- p.lz = 0;
- p.alt = 0;
- p.width = 0;
- p.align_left = 0;
- p.sign = 0;
-
- /* Flags */
- while ((ch = *(fmt++))) {
- switch (ch) {
- case '-':
- p.align_left = 1;
- continue;
- case '0':
- p.lz = 1;
- continue;
- case '#':
- p.alt = 1;
- continue;
- default:
- break;
- }
- break;
- }
-
- /* Width */
- if (ch >= '0' && ch <= '9') {
- ch = a2u(ch, &fmt, 10, &(p.width));
- }
-
- /* We accept 'x.y' format but don't support it completely:
- * we ignore the 'y' digit => this ignores 0-fill
- * size and makes it == width (ie. 'x') */
- if (ch == '.') {
- p.lz = 1; /* zero-padding */
- /* ignore actual 0-fill size: */
- do {
- ch = *(fmt++);
- } while ((ch >= '0') && (ch <= '9'));
- }
-
-#ifdef PRINTF_SIZE_T_SUPPORT
-# ifdef PRINTF_LONG_SUPPORT
- if (ch == 'z') {
- ch = *(fmt++);
- if (sizeof(size_t) == sizeof(unsigned long int))
- lng = 1;
-# ifdef PRINTF_LONG_LONG_SUPPORT
- else if (sizeof(size_t) == sizeof(unsigned long long int))
- lng = 2;
-# endif
- } else
-# endif
-#endif
-
-#ifdef PRINTF_LONG_SUPPORT
- if (ch == 'l') {
- ch = *(fmt++);
- lng = 1;
-#ifdef PRINTF_LONG_LONG_SUPPORT
- if (ch == 'l') {
- ch = *(fmt++);
- lng = 2;
- }
-#endif
- }
-#endif
- switch (ch) {
- case 0:
- goto abort;
- case 'u':
- p.base = 10;
-#ifdef PRINTF_LONG_SUPPORT
-#ifdef PRINTF_LONG_LONG_SUPPORT
- if (2 == lng)
- ulli2a(va_arg(va, unsigned long long int), &p);
- else
-#endif
- if (1 == lng)
- uli2a(va_arg(va, unsigned long int), &p);
- else
-#endif
- ui2a(va_arg(va, unsigned int), &p);
- putchw(putp, putf, &p);
- break;
- case 'd':
- case 'i':
- p.base = 10;
-#ifdef PRINTF_LONG_SUPPORT
-#ifdef PRINTF_LONG_LONG_SUPPORT
- if (2 == lng)
- lli2a(va_arg(va, long long int), &p);
- else
-#endif
- if (1 == lng)
- li2a(va_arg(va, long int), &p);
- else
-#endif
- i2a(va_arg(va, int), &p);
- putchw(putp, putf, &p);
- break;
-#ifdef SIZEOF_POINTER
- case 'p':
- p.alt = 1;
-# if defined(SIZEOF_INT) && SIZEOF_POINTER <= SIZEOF_INT
- lng = 0;
-# elif defined(SIZEOF_LONG) && SIZEOF_POINTER <= SIZEOF_LONG
- lng = 1;
-# elif defined(SIZEOF_LONG_LONG) && SIZEOF_POINTER <= SIZEOF_LONG_LONG
- lng = 2;
-# endif
-#endif
- case 'x':
- case 'X':
- p.base = 16;
- p.uc = (ch == 'X')?1:0;
-#ifdef PRINTF_LONG_SUPPORT
-#ifdef PRINTF_LONG_LONG_SUPPORT
- if (2 == lng)
- ulli2a(va_arg(va, unsigned long long int), &p);
- else
-#endif
- if (1 == lng)
- uli2a(va_arg(va, unsigned long int), &p);
- else
-#endif
- ui2a(va_arg(va, unsigned int), &p);
- putchw(putp, putf, &p);
- break;
- case 'o':
- p.base = 8;
- ui2a(va_arg(va, unsigned int), &p);
- putchw(putp, putf, &p);
- break;
- case 'c':
- putf(putp, (char)(va_arg(va, int)));
- break;
- case 's':
- p.bf = va_arg(va, char *);
- putchw(putp, putf, &p);
- p.bf = bf;
- break;
- case '%':
- putf(putp, ch);
- default:
- break;
- }
- }
- }
- abort:;
-}
-
-#if TINYPRINTF_DEFINE_TFP_PRINTF
-static putcf stdout_putf;
-static void *stdout_putp;
-
-void init_printf(void *putp, putcf putf)
-{
- stdout_putf = putf;
- stdout_putp = putp;
-}
-
-void tfp_printf(const char *fmt, ...)
-{
- va_list va;
- va_start(va, fmt);
- tfp_format(stdout_putp, stdout_putf, fmt, va);
- va_end(va);
-}
-#endif
-
-#if TINYPRINTF_DEFINE_TFP_SPRINTF
-struct _vsnprintf_putcf_data
-{
- size_t dest_capacity;
- char *dest;
- size_t num_chars;
-};
-
-static void _vsnprintf_putcf(void *p, char c)
-{
- struct _vsnprintf_putcf_data *data = (struct _vsnprintf_putcf_data*)p;
- if (data->num_chars < data->dest_capacity)
- data->dest[data->num_chars] = c;
- data->num_chars ++;
-}
-
-int tfp_vsnprintf(char *str, size_t size, const char *format, va_list ap)
-{
- struct _vsnprintf_putcf_data data;
-
- if (size < 1)
- return 0;
-
- data.dest = str;
- data.dest_capacity = size-1;
- data.num_chars = 0;
- tfp_format(&data, _vsnprintf_putcf, format, ap);
-
- if (data.num_chars < data.dest_capacity)
- data.dest[data.num_chars] = '\0';
- else
- data.dest[data.dest_capacity] = '\0';
-
- return data.num_chars;
-}
-
-int tfp_snprintf(char *str, size_t size, const char *format, ...)
-{
- va_list ap;
- int retval;
-
- va_start(ap, format);
- retval = tfp_vsnprintf(str, size, format, ap);
- va_end(ap);
- return retval;
-}
-
-struct _vsprintf_putcf_data
-{
- char *dest;
- size_t num_chars;
-};
-
-static void _vsprintf_putcf(void *p, char c)
-{
- struct _vsprintf_putcf_data *data = (struct _vsprintf_putcf_data*)p;
- data->dest[data->num_chars++] = c;
-}
-
-int tfp_vsprintf(char *str, const char *format, va_list ap)
-{
- struct _vsprintf_putcf_data data;
- data.dest = str;
- data.num_chars = 0;
- tfp_format(&data, _vsprintf_putcf, format, ap);
- data.dest[data.num_chars] = '\0';
- return data.num_chars;
-}
-
-int tfp_sprintf(char *str, const char *format, ...)
-{
- va_list ap;
- int retval;
-
- va_start(ap, format);
- retval = tfp_vsprintf(str, format, ap);
- va_end(ap);
- return retval;
-}
-#endif
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