X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fmware%2Fformatwr.c;h=0f3c00d18ee5f2dd354fef5d5ce43b22d2c0d7dd;hb=088cc866a57a0402f6ba3f232fcf8f59c79626d1;hp=7baea75ac0aff86f2b68346997642362e3f40a5b;hpb=47d5e292509c20d22adfc608f412bdbe7209decb;p=bertos.git diff --git a/bertos/mware/formatwr.c b/bertos/mware/formatwr.c index 7baea75a..0f3c00d1 100644 --- a/bertos/mware/formatwr.c +++ b/bertos/mware/formatwr.c @@ -30,7 +30,6 @@ * * --> * - * \version $Id$ * * \brief Basic "printf", "sprintf" and "fprintf" formatter. * @@ -46,7 +45,7 @@ * -D CONFIG_PRINTF=PRINTF_FULL Full ANSI printf formatter, with some C99 extensions * -D CONFIG_PRINTF=PRINTF_NOFLOAT Exclude support for floats * -D CONFIG_PRINTF=PRINTF_REDUCED Simplified formatter (see below) - * -D CONFIG_PRINTF=PRINTF_NOMODIFIERS Exclude 'l', 'z' and 'h' modifiers in reduced version + * -D CONFIG_PRINTF=PRINTF_NOMODIFIERS Exclude "l", "z" and "h" modifiers in reduced version * -D CONFIG_PRINTF=PRINTF_DISABLED No formatter at all * \endcode * @@ -106,16 +105,25 @@ /* Maximum precision for floating point values */ typedef long double max_float_t; - /*luca: FIXME: this should be enough to print floating point values, must be investigated - * further. - */ - #define FRMWRI_BUFSIZE 20 + #if CONFIG_FRMWRI_BUFSIZE + #define FRMWRI_BUFSIZE CONFIG_FRMWRI_BUFSIZE + #else + /* Conservative estimate. Max float is 3.40282e+038, so %f (but not %e or %g) must have + * space for: sign + all 38 digits + '.' + 6 decimal digits (default) + * Use a high value to avoid unexpected buffer overflows. + */ + #define FRMWRI_BUFSIZE 134 + #endif #else - /* - * Conservative estimate. Should be (probably) 12 (which is the size necessary - * to represent (2^32-1) in octal plus the sign bit. - */ - #define FRMWRI_BUFSIZE 16 + #if CONFIG_FRMWRI_BUFSIZE + #define FRMWRI_BUFSIZE CONFIG_FRMWRI_BUFSIZE + #else + /* + * Conservative estimate. Should be (probably) 12 (which is the size necessary + * to represent (2^32-1) in octal plus the sign bit. + */ + #define FRMWRI_BUFSIZE 16 + #endif #endif /* Probably useful for fancy microcontrollers such as the PIC, nobody knows. */ @@ -496,14 +504,21 @@ NEXT_FLAG: { case 'l': case 'L': + #if SIZEOF_SIZE_T == SIZEOF_LONG case 'z': flags.l_L_modifier = true; + #elif SIZEOF_SIZE_T == SIZEOF_INT + flags.l_L_modifier = true; + case 'z': + #endif format++; break; + case 'h': flags.h_modifier = true; format++; break; + } /* @@ -589,7 +604,7 @@ NEXT_FLAG: case 'p': case 'X': if (format_flag == 'p') -#if defined(__AVR__) || defined(__I196__) /* 16bit pointers */ +#if defined(__AVR__) || defined(__I196__) || defined(__MSP430__) /* 16bit pointers */ ulong = (unsigned long)(unsigned short)va_arg(ap, char *); #else /* 32bit pointers */ ulong = (unsigned long)va_arg(ap, char *); @@ -844,10 +859,13 @@ FLOATING_CONVERSION: switch (PGM_READ_CHAR(format)) { case 'l': + #if SIZEOF_SIZE_T == SIZEOF_LONG case 'z': - /* for the 'z' modifier, we make this assumption */ - STATIC_ASSERT(sizeof(size_t) == sizeof(long)); l_modifier = true; + #elif SIZEOF_SIZE_T == SIZEOF_INT + l_modifier = true; + case 'z': + #endif format++; break;