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2015-10-11

2015-10-11 08:29:11 by Henrik Grubbström (Grubba) <grubba@grubba.org>

string_builder_sprintf: Fixed '+' for floats.

The floating point renderer used the wrong flag to indicate that
a sign was always wanted.

Also adds some comments about what string_builder_sprintf() supports.

2868:    return 0;   }    + /* Standard formats supported by string_builder_{v,}sprintf(): +  * +  * '%' Insert %. +  * 'a' Insert double. +  * 'c' Insert character. +  * 'd' Insert decimal integer. +  * 'e' Insert double. +  * 'f' Insert double. +  * 'g' Insert double. +  * 'o' Insert octal integer. +  * 's' Insert string. +  * 'u' Insert unsigned decimal integer. +  * 'x' Insert lower-case hexadecimal integer. +  * 'E' Insert double. +  * 'G' Insert double. +  * 'X' Insert upper-case hexadecimal integer. +  * +  * Format modifiers supported by string_builder_{v,}sprintf(): +  * +  * '+' Explicit sign for non-negative numeric values. +  * '-' Align left. +  * '0' Zero pad. +  * '0'..'9' Field width. +  * '.' Precision field width follows. +  * 'h' Half-width input. +  * 'l' Long(-er) input. +  * 't' Pointer-width input (ptrdiff_t). +  * 'w' Wide input (same as 'l', but only for strings). +  * 'z' Pointer-width input (size_t). +  * +  * Extended formats supported by string_builder_{v,}sprintf(): +  * +  * 'b' Insert binary integer. +  * 'O' Insert description of svalue. +  * 'S' Insert pike_string. +  * 'T' Insert pike_type. +  */ +    /* Values used internally in string_builder_vsprintf() */   #define STATE_MIN_WIDTH 1   #define STATE_PRECISION 2
3079:    if (val < 0.0) {    string_builder_putchar(s, '-');    val = -val; -  } else if (flags & APPEND_SIGNED) { +  } else if (flags & APPEND_POSITIVE) {    string_builder_putchar(s, '+');    }    if ((val+val == val) && (val > 0.0)) {