diff options
Diffstat (limited to 'hifi/xaf/hifi-dpf/core/util/tinyvprintf.c')
| -rw-r--r-- | hifi/xaf/hifi-dpf/core/util/tinyvprintf.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/hifi/xaf/hifi-dpf/core/util/tinyvprintf.c b/hifi/xaf/hifi-dpf/core/util/tinyvprintf.c deleted file mode 100644 index 25d7e03e..00000000 --- a/hifi/xaf/hifi-dpf/core/util/tinyvprintf.c +++ /dev/null @@ -1,198 +0,0 @@ -/******************************************************************************* -* Copyright (C) 2018 Cadence Design Systems, Inc. -* -* Permission is hereby granted, free of charge, to any person obtaining -* a copy of this software and associated documentation files (the -* "Software"), to use this Software with Cadence processor cores only and -* not with any other processors and platforms, subject to -* the following conditions: -* -* The above copyright notice and this permission notice shall be included -* in all copies or substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -******************************************************************************/ - - -#include <string.h> -#include "lib/tinyput.h" - - -/* - * Simple formatted output routine. - * Designed primarily for small size (and secondarily for efficiency). - * Only a common subset of printf formats and options are handled: - * - * %[-+ ][0][width]i decimal signed integer - * %[-+ ][0][width]d decimal signed integer - * %[-][0][width]u decimal unsigned integer - * %[-][0][width]x hex unsigned integer - * %[-][0][width]p hex unsigned integer with 0x prefix ("pointer") - * %[-][width]c single character - * %[-][width]s string - * - * These modifiers are ignored (legally on 32-bit Xtensa): - * # (alternate format) - * h (short) expands to int on 32-bit Xtensa - * l (long) same as int on 32-bit Xtensa - * j (intmax_t or uintmax_t) same as int on 32-bit Xtensa - * z (size_t or ssize_t) same as int on 32-bit Xtensa - * t (ptrdiff_t) same as int on 32-bit Xtensa - * - * Does NOT support: - * width.prec (precision modifier) - * %X (capitalized hex; handles this as lowercase hex) - * %o (octal) - * %[L][feEgG] (floating point formats) - * %a %A (hex floating point formats, C99) - * %C (multibyte character) - * %S (multibyte character string) - * %n (returning count of character written) - * ll (long long) - * q j z t (other size modifiers, eg. see glibc) - */ -int tiny_vsprintf(char *out, const char *fmt, va_list ap) -{ - int total = 0; - char c, space = ' ', buf[11]; /* largest 32-bit integer output (octal) */ - - while ((c = *(char*)fmt++) != 0) { - if (c != '%') { - *out++ = c; - total++; - } else { - int width = 0, len = 1, rightjust = 1; - unsigned n; - char *s = buf, *t, pad = ' ', sign = 0; - while (1) { - c = *(char*)fmt++; - switch (c) { - case 'c': buf[0] = va_arg(ap, int); goto donefmt; - case 's': s = va_arg(ap, char*); - if (s == 0) - len = 0; - else { - for (t = s; *t; t++) ; - len = t - s; - } - goto donefmt; - - case '#': /* ignore (not supported) */ - case 'h': /* ignore (short; passed as int) */ - case 'l': /* ignore (long; same as int) */ - case 'j': /* ignore (intmax_t or uintmax_t; same as int) */ - case 'z': /* ignore (size_t or ssize_t; same as int) */ - case 't': /* ignore (ptrdiff_t; same as int) */ - break; - - case ' ': sign = ' '; break; - case '+': sign = '+'; break; - case '-': rightjust = 0; break; - - case 'i': /*FALLTHROUGH*/ - case 'd': n = va_arg(ap, int); - if ((int)n < 0) { - sign = '-'; - n = -(int)n; - } - if (sign) { - if (rightjust && pad == ' ') - *s++ = sign; - else { - *out++ = sign; - width--; - total++; - } - } - goto do_decimal; - case 'u': n = va_arg(ap, int); - do_decimal: - { - /* (avoids division or multiplication) */ - int digit, i, seen = 0; - for (digit = 0; n >= 1000000000; digit++) - n -= 1000000000; - for (i = 9;;) { - if (!seen && digit != 0) - seen = i; - if (seen) - *s++ = '0' + digit; - for (digit = 0; n >= 100000000; digit++) - n -= 100000000; - if (--i == 0) { - *s++ = '0' + digit; - len = s - buf; - s = buf; - goto donefmt; - } - n = ((n << 1) + (n << 3)); - } - } - /*NOTREACHED*/ - -#if 0 - case 'o': n = va_arg(ap, unsigned); - s = buf + 11; - do { - *--s = '0' + (n & 7); - n = (unsigned)n >> 3; - } while (n); - len = buf + 11 - s; - goto donefmt; -#endif - - case 'p': *out++ = '0', *out++ = 'x'; - total += 2; - /*FALLTHROUGH*/ - case 'X': /*FALLTHROUGH*/ - case 'x': n = va_arg(ap, unsigned); - s = buf + 8; - do { - *--s = "0123456789abcdef"[n & 0xF]; - n = (unsigned)n >> 4; - } while (n); - len = buf + 8 - s; - goto donefmt; - - case 0: goto done; - case '0': if (width == 0) pad = '0'; /*FALLTHROUGH*/ - default: if (c >= '0' && c <= '9') - width = ((width<<1) + (width<<3)) + (c - '0'); - else { - buf[0] = c; /* handles case of '%' */ - goto donefmt; - } - } - } - /*NOTREACHED*/ - donefmt: - if (len < width) { - total += width; - if (rightjust) - do { *out++ = pad; } while (len < --width); - } else - total += len; - for(n = len; n > 0; n--) *out++ = *s++; - for (; len < width; len++) *out++ = space; - } - } -done: - return total; -} - -int tiny_sprintf(char *out, const char *fmt, ...) -{ - int n = 0; - va_list ap; - va_start(ap, fmt); - n = tiny_vsprintf(out, fmt, ap); - va_end(ap); - return n; -} |