/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006, 2009, 2010, 2011, 2012, 2014 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
void
str_copy_rpad (char *dst, size_t dst_size, const char *src)
{
- if (dst_size > 0)
+ if (dst_size > 0)
{
size_t src_len = strlen (src);
if (src_len < dst_size - 1)
}
/* Converts NUMBER into a string in 26-adic notation in BUFFER,
- which has room for SIZE bytes. Returns true if successful,
- false if NUMBER, plus a trailing null, is too large to fit in
- the available space.
+ which has room for SIZE bytes. Uses uppercase if UPPERCASE is
+ true, otherwise lowercase, Returns true if successful, false
+ if NUMBER, plus a trailing null, is too large to fit in the
+ available space.
26-adic notation is "spreadsheet column numbering": 1 = A, 2 =
B, 3 = C, ... 26 = Z, 27 = AA, 28 = AB, 29 = AC, ...
For more information, see
http://en.wikipedia.org/wiki/Bijective_numeration. */
bool
-str_format_26adic (unsigned long int number, char buffer[], size_t size)
+str_format_26adic (unsigned long int number, bool uppercase,
+ char buffer[], size_t size)
{
+ const char *alphabet
+ = uppercase ? "ABCDEFGHIJKLMNOPQRSTUVWXYZ" : "abcdefghijklmnopqrstuvwxyz";
size_t length = 0;
while (number-- > 0)
{
if (length >= size)
goto overflow;
- buffer[length++] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"[number % 26];
+ buffer[length++] = alphabet[number % 26];
number /= 26;
}
}
-/* Formats FORMAT as a printf string, using fmt_func (a snprintf like function)
+/* Formats FORMAT as a printf string, using fmt_func (a snprintf like function)
and appends the result to ST. */
static void
ds_put_vformat_int (struct string *st, const char *format, va_list args_,
ds_put_vformat_int (st, format, args_, vsnprintf);
}
-/* Formats FORMAT as a printf string, as if in the C locale,
+/* Formats FORMAT as a printf string, as if in the C locale,
and appends the result to ST. */
void
ds_put_c_vformat (struct string *st, const char *format, va_list args_)