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/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <config.h>
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#include <ctype.h>
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#include <inttypes.h>
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#include <stdio.h> /* for sprintf */
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#include <string.h>
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#define LWRES__PRINT_SOURCE /* Used to get the lwres_print_* prototypes. */
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#include <lwres/stdlib.h>
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#include <lwres/string.h>
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#include "assert_p.h"
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#include "print_p.h"
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int
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lwres__print_sprintf(char *str, const char *format, ...) {
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va_list ap;
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va_start(ap, format);
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vsprintf(str, format, ap);
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va_end(ap);
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return (strlen(str));
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}
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/*
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* Return length of string that would have been written if not truncated.
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*/
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int
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lwres__print_snprintf(char *str, size_t size, const char *format, ...) {
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va_list ap;
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int ret;
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va_start(ap, format);
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ret = vsnprintf(str, size, format, ap);
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va_end(ap);
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return (ret);
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}
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/*
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* Return length of string that would have been written if not truncated.
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*/
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int
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lwres__print_vsnprintf(char *str, size_t size, const char *format, va_list ap) {
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int h;
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int l;
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int q;
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int z;
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int alt;
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int zero;
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int left;
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int plus;
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int space;
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long long tmpi;
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unsigned long long tmpui;
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unsigned long width;
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unsigned long precision;
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unsigned int length;
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char buf[1024];
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char c;
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void *v;
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char *save = str;
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const char *cp;
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const char *head;
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int count = 0;
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int pad;
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int zeropad;
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int dot;
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double dbl;
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#ifdef HAVE_LONG_DOUBLE
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long double ldbl;
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#endif
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char fmt[32];
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INSIST(str != NULL);
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INSIST(format != NULL);
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while (*format != '\0') {
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if (*format != '%') {
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if (size > 1U) {
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*str++ = *format;
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size--;
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}
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count++;
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format++;
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continue;
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}
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format++;
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/*
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* Reset flags.
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*/
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dot = space = plus = left = zero = alt = h = l = q = z = 0;
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width = precision = 0;
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head = "";
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length = pad = zeropad = 0;
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POST(length);
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do {
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if (*format == '#') {
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alt = 1;
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format++;
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} else if (*format == '-') {
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left = 1;
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zero = 0;
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format++;
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} else if (*format == ' ') {
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if (!plus)
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space = 1;
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format++;
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} else if (*format == '+') {
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plus = 1;
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space = 0;
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format++;
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} else if (*format == '0') {
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if (!left)
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zero = 1;
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format++;
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} else
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break;
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ae04f2 |
} while (1);
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ae04f2 |
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/*
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* Width.
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*/
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if (*format == '*') {
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width = va_arg(ap, int);
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format++;
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} else if (isdigit((unsigned char)*format)) {
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char *e;
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ae04f2 |
width = strtoul(format, &e, 10);
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format = e;
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}
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/*
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* Precision.
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*/
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ae04f2 |
if (*format == '.') {
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format++;
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ae04f2 |
dot = 1;
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ae04f2 |
if (*format == '*') {
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ae04f2 |
precision = va_arg(ap, int);
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ae04f2 |
format++;
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ae04f2 |
} else if (isdigit((unsigned char)*format)) {
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char *e;
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ae04f2 |
precision = strtoul(format, &e, 10);
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format = e;
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}
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}
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ae04f2 |
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ae04f2 |
switch (*format) {
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ae04f2 |
case '\0':
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ae04f2 |
continue;
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ae04f2 |
case '%':
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ae04f2 |
if (size > 1U) {
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ae04f2 |
*str++ = *format;
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ae04f2 |
size--;
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}
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count++;
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ae04f2 |
break;
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ae04f2 |
case 'q':
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ae04f2 |
q = 1;
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Packit Service |
ae04f2 |
format++;
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ae04f2 |
goto doint;
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Packit Service |
ae04f2 |
case 'h':
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ae04f2 |
h = 1;
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ae04f2 |
format++;
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ae04f2 |
goto doint;
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Packit Service |
ae04f2 |
case 'l':
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ae04f2 |
l = 1;
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Packit Service |
ae04f2 |
format++;
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ae04f2 |
if (*format == 'l') {
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Packit Service |
ae04f2 |
q = 1;
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Packit Service |
ae04f2 |
format++;
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|
Packit Service |
ae04f2 |
}
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ae04f2 |
goto doint;
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Packit Service |
ae04f2 |
case 'z':
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ae04f2 |
z = 1;
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|
Packit Service |
ae04f2 |
format++;
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Packit Service |
ae04f2 |
goto doint;
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Packit Service |
ae04f2 |
case 'n':
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Packit Service |
ae04f2 |
case 'i':
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Packit Service |
ae04f2 |
case 'd':
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Packit Service |
ae04f2 |
case 'o':
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Packit Service |
ae04f2 |
case 'u':
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Packit Service |
ae04f2 |
case 'x':
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Packit Service |
ae04f2 |
case 'X':
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Packit Service |
ae04f2 |
doint:
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Packit Service |
ae04f2 |
if (precision != 0U)
|
|
Packit Service |
ae04f2 |
zero = 0;
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|
Packit Service |
ae04f2 |
switch (*format) {
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Packit Service |
ae04f2 |
case 'n':
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|
Packit Service |
ae04f2 |
if (h) {
|
|
Packit Service |
ae04f2 |
short int *p;
|
|
Packit Service |
ae04f2 |
p = va_arg(ap, short *);
|
|
Packit Service |
ae04f2 |
REQUIRE(p != NULL);
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|
Packit Service |
ae04f2 |
*p = str - save;
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|
Packit Service |
ae04f2 |
} else if (l) {
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Packit Service |
ae04f2 |
long int *p;
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|
Packit Service |
ae04f2 |
p = va_arg(ap, long *);
|
|
Packit Service |
ae04f2 |
REQUIRE(p != NULL);
|
|
Packit Service |
ae04f2 |
*p = str - save;
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|
Packit Service |
ae04f2 |
} else if (z) {
|
|
Packit Service |
ae04f2 |
size_t *p;
|
|
Packit Service |
ae04f2 |
p = va_arg(ap, size_t *);
|
|
Packit Service |
ae04f2 |
REQUIRE(p != NULL);
|
|
Packit Service |
ae04f2 |
*p = str - save;
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|
Packit Service |
ae04f2 |
} else {
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|
Packit Service |
ae04f2 |
int *p;
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|
Packit Service |
ae04f2 |
p = va_arg(ap, int *);
|
|
Packit Service |
ae04f2 |
REQUIRE(p != NULL);
|
|
Packit Service |
ae04f2 |
*p = str - save;
|
|
Packit Service |
ae04f2 |
}
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|
Packit Service |
ae04f2 |
break;
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|
Packit Service |
ae04f2 |
case 'i':
|
|
Packit Service |
ae04f2 |
case 'd':
|
|
Packit Service |
ae04f2 |
if (q)
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|
Packit Service |
ae04f2 |
tmpi = va_arg(ap, long long int);
|
|
Packit Service |
ae04f2 |
else if (l)
|
|
Packit Service |
ae04f2 |
tmpi = va_arg(ap, long int);
|
|
Packit Service |
ae04f2 |
else if (z)
|
|
Packit Service |
ae04f2 |
tmpi = va_arg(ap, size_t);
|
|
Packit Service |
ae04f2 |
else
|
|
Packit Service |
ae04f2 |
tmpi = va_arg(ap, int);
|
|
Packit Service |
ae04f2 |
if (tmpi < 0) {
|
|
Packit Service |
ae04f2 |
head = "-";
|
|
Packit Service |
ae04f2 |
tmpui = -tmpi;
|
|
Packit Service |
ae04f2 |
} else {
|
|
Packit Service |
ae04f2 |
if (plus)
|
|
Packit Service |
ae04f2 |
head = "+";
|
|
Packit Service |
ae04f2 |
else if (space)
|
|
Packit Service |
ae04f2 |
head = " ";
|
|
Packit Service |
ae04f2 |
else
|
|
Packit Service |
ae04f2 |
head = "";
|
|
Packit Service |
ae04f2 |
tmpui = tmpi;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
sprintf(buf, "%llu",
|
|
Packit Service |
ae04f2 |
tmpui);
|
|
Packit Service |
ae04f2 |
goto printint;
|
|
Packit Service |
ae04f2 |
case 'o':
|
|
Packit Service |
ae04f2 |
if (q)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap,
|
|
Packit Service |
ae04f2 |
unsigned long long int);
|
|
Packit Service |
ae04f2 |
else if (l)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, long int);
|
|
Packit Service |
ae04f2 |
else if (z)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, size_t);
|
|
Packit Service |
ae04f2 |
else
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, int);
|
|
Packit Service |
ae04f2 |
sprintf(buf,
|
|
Packit Service |
ae04f2 |
alt ? "%#llo"
|
|
Packit Service |
ae04f2 |
: "%llo",
|
|
Packit Service |
ae04f2 |
tmpui);
|
|
Packit Service |
ae04f2 |
goto printint;
|
|
Packit Service |
ae04f2 |
case 'u':
|
|
Packit Service |
ae04f2 |
if (q)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap,
|
|
Packit Service |
ae04f2 |
unsigned long long int);
|
|
Packit Service |
ae04f2 |
else if (l)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, unsigned long int);
|
|
Packit Service |
ae04f2 |
else if (z)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, size_t);
|
|
Packit Service |
ae04f2 |
else
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, unsigned int);
|
|
Packit Service |
ae04f2 |
sprintf(buf, "%llu",
|
|
Packit Service |
ae04f2 |
tmpui);
|
|
Packit Service |
ae04f2 |
goto printint;
|
|
Packit Service |
ae04f2 |
case 'x':
|
|
Packit Service |
ae04f2 |
if (q)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap,
|
|
Packit Service |
ae04f2 |
unsigned long long int);
|
|
Packit Service |
ae04f2 |
else if (l)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, unsigned long int);
|
|
Packit Service |
ae04f2 |
else if (z)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, size_t);
|
|
Packit Service |
ae04f2 |
else
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, unsigned int);
|
|
Packit Service |
ae04f2 |
if (alt) {
|
|
Packit Service |
ae04f2 |
head = "0x";
|
|
Packit Service |
ae04f2 |
if (precision > 2U)
|
|
Packit Service |
ae04f2 |
precision -= 2;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
sprintf(buf, "%llx",
|
|
Packit Service |
ae04f2 |
tmpui);
|
|
Packit Service |
ae04f2 |
goto printint;
|
|
Packit Service |
ae04f2 |
case 'X':
|
|
Packit Service |
ae04f2 |
if (q)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap,
|
|
Packit Service |
ae04f2 |
unsigned long long int);
|
|
Packit Service |
ae04f2 |
else if (l)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, unsigned long int);
|
|
Packit Service |
ae04f2 |
else if (z)
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, size_t);
|
|
Packit Service |
ae04f2 |
else
|
|
Packit Service |
ae04f2 |
tmpui = va_arg(ap, unsigned int);
|
|
Packit Service |
ae04f2 |
if (alt) {
|
|
Packit Service |
ae04f2 |
head = "0X";
|
|
Packit Service |
ae04f2 |
if (precision > 2U)
|
|
Packit Service |
ae04f2 |
precision -= 2;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
sprintf(buf, "%llX",
|
|
Packit Service |
ae04f2 |
tmpui);
|
|
Packit Service |
ae04f2 |
goto printint;
|
|
Packit Service |
ae04f2 |
printint:
|
|
Packit Service |
ae04f2 |
if (precision != 0U || width != 0U) {
|
|
Packit Service |
ae04f2 |
length = strlen(buf);
|
|
Packit Service |
ae04f2 |
if (length < precision)
|
|
Packit Service |
ae04f2 |
zeropad = precision - length;
|
|
Packit Service |
ae04f2 |
else if (length < width && zero)
|
|
Packit Service |
ae04f2 |
zeropad = width - length;
|
|
Packit Service |
ae04f2 |
if (width != 0U) {
|
|
Packit Service |
ae04f2 |
pad = width - length -
|
|
Packit Service |
ae04f2 |
zeropad - strlen(head);
|
|
Packit Service |
ae04f2 |
if (pad < 0)
|
|
Packit Service |
ae04f2 |
pad = 0;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
count += strlen(head) + strlen(buf) + pad +
|
|
Packit Service |
ae04f2 |
zeropad;
|
|
Packit Service |
ae04f2 |
if (!left) {
|
|
Packit Service |
ae04f2 |
while (pad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
pad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
cp = head;
|
|
Packit Service |
ae04f2 |
while (*cp != '\0' && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = *cp++;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
while (zeropad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = '0';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
zeropad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
cp = buf;
|
|
Packit Service |
ae04f2 |
while (*cp != '\0' && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = *cp++;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
while (pad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
pad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
default:
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
case 's':
|
|
Packit Service |
ae04f2 |
cp = va_arg(ap, char *);
|
|
Packit Service |
ae04f2 |
REQUIRE(cp != NULL);
|
|
Packit Service |
ae04f2 |
|
|
Packit Service |
ae04f2 |
if (precision != 0U) {
|
|
Packit Service |
ae04f2 |
/*
|
|
Packit Service |
ae04f2 |
* cp need not be NULL terminated.
|
|
Packit Service |
ae04f2 |
*/
|
|
Packit Service |
ae04f2 |
const char *tp;
|
|
Packit Service |
ae04f2 |
unsigned long n;
|
|
Packit Service |
ae04f2 |
|
|
Packit Service |
ae04f2 |
n = precision;
|
|
Packit Service |
ae04f2 |
tp = cp;
|
|
Packit Service |
ae04f2 |
while (n != 0U && *tp != '\0')
|
|
Packit Service |
ae04f2 |
n--, tp++;
|
|
Packit Service |
ae04f2 |
length = precision - n;
|
|
Packit Service |
ae04f2 |
} else {
|
|
Packit Service |
ae04f2 |
length = strlen(cp);
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
if (width != 0U) {
|
|
Packit Service |
ae04f2 |
pad = width - length;
|
|
Packit Service |
ae04f2 |
if (pad < 0)
|
|
Packit Service |
ae04f2 |
pad = 0;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
count += pad + length;
|
|
Packit Service |
ae04f2 |
if (!left)
|
|
Packit Service |
ae04f2 |
while (pad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
pad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
if (precision != 0U)
|
|
Packit Service |
ae04f2 |
while (precision > 0U && *cp != '\0' &&
|
|
Packit Service |
ae04f2 |
size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = *cp++;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
precision--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
else
|
|
Packit Service |
ae04f2 |
while (*cp != '\0' && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = *cp++;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
while (pad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
pad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
case 'c':
|
|
Packit Service |
ae04f2 |
c = va_arg(ap, int);
|
|
Packit Service |
ae04f2 |
if (width > 0U) {
|
|
Packit Service |
ae04f2 |
count += width;
|
|
Packit Service |
ae04f2 |
width--;
|
|
Packit Service |
ae04f2 |
if (left) {
|
|
Packit Service |
ae04f2 |
*str++ = c;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
while (width-- > 0U && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
if (!left && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = c;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
} else {
|
|
Packit Service |
ae04f2 |
count++;
|
|
Packit Service |
ae04f2 |
if (size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = c;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
case 'p':
|
|
Packit Service |
ae04f2 |
v = va_arg(ap, void *);
|
|
Packit Service |
ae04f2 |
sprintf(buf, "%p", v);
|
|
Packit Service |
ae04f2 |
length = strlen(buf);
|
|
Packit Service |
ae04f2 |
if (precision > length)
|
|
Packit Service |
ae04f2 |
zeropad = precision - length;
|
|
Packit Service |
ae04f2 |
if (width > 0U) {
|
|
Packit Service |
ae04f2 |
pad = width - length - zeropad;
|
|
Packit Service |
ae04f2 |
if (pad < 0)
|
|
Packit Service |
ae04f2 |
pad = 0;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
count += length + pad + zeropad;
|
|
Packit Service |
ae04f2 |
if (!left)
|
|
Packit Service |
ae04f2 |
while (pad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
pad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
cp = buf;
|
|
Packit Service |
ae04f2 |
if (zeropad > 0 && buf[0] == '0' &&
|
|
Packit Service |
ae04f2 |
(buf[1] == 'x' || buf[1] == 'X')) {
|
|
Packit Service |
ae04f2 |
if (size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = *cp++;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
if (size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = *cp++;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
while (zeropad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = '0';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
zeropad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
while (*cp != '\0' && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = *cp++;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
while (pad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
pad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
|
|
Packit Service |
ae04f2 |
case 'D': /*deprecated*/
|
|
Packit Service |
ae04f2 |
/* cppcheck-suppress literalWithCharPtrCompare */
|
|
Packit Service |
ae04f2 |
INSIST("use %ld instead of %D" == NULL);
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
case 'O': /*deprecated*/
|
|
Packit Service |
ae04f2 |
/* cppcheck-suppress literalWithCharPtrCompare */
|
|
Packit Service |
ae04f2 |
INSIST("use %lo instead of %O" == NULL);
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
case 'U': /*deprecated*/
|
|
Packit Service |
ae04f2 |
/* cppcheck-suppress literalWithCharPtrCompare */
|
|
Packit Service |
ae04f2 |
INSIST("use %lu instead of %U" == NULL);
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
|
|
Packit Service |
ae04f2 |
case 'L':
|
|
Packit Service |
ae04f2 |
#ifdef HAVE_LONG_DOUBLE
|
|
Packit Service |
ae04f2 |
l = 1;
|
|
Packit Service |
ae04f2 |
#else
|
|
Packit Service |
ae04f2 |
/* cppcheck-suppress literalWithCharPtrCompare */
|
|
Packit Service |
ae04f2 |
INSIST("long doubles are not supported" == NULL);
|
|
Packit Service |
ae04f2 |
#endif
|
|
Packit Service |
ae04f2 |
/* FALLTHROUGH */
|
|
Packit Service |
ae04f2 |
case 'e':
|
|
Packit Service |
ae04f2 |
case 'E':
|
|
Packit Service |
ae04f2 |
case 'f':
|
|
Packit Service |
ae04f2 |
case 'g':
|
|
Packit Service |
ae04f2 |
case 'G':
|
|
Packit Service |
ae04f2 |
if (!dot)
|
|
Packit Service |
ae04f2 |
precision = 6;
|
|
Packit Service |
ae04f2 |
/*
|
|
Packit Service |
ae04f2 |
* IEEE floating point.
|
|
Packit Service |
ae04f2 |
* MIN 2.2250738585072014E-308
|
|
Packit Service |
ae04f2 |
* MAX 1.7976931348623157E+308
|
|
Packit Service |
ae04f2 |
* VAX floating point has a smaller range than IEEE.
|
|
Packit Service |
ae04f2 |
*
|
|
Packit Service |
ae04f2 |
* precisions > 324 don't make much sense.
|
|
Packit Service |
ae04f2 |
* if we cap the precision at 512 we will not
|
|
Packit Service |
ae04f2 |
* overflow buf.
|
|
Packit Service |
ae04f2 |
*/
|
|
Packit Service |
ae04f2 |
if (precision > 512U)
|
|
Packit Service |
ae04f2 |
precision = 512;
|
|
Packit Service |
ae04f2 |
sprintf(fmt, "%%%s%s.%lu%s%c", alt ? "#" : "",
|
|
Packit Service |
ae04f2 |
plus ? "+" : space ? " " : "",
|
|
Packit Service |
ae04f2 |
precision, l ? "L" : "", *format);
|
|
Packit Service |
ae04f2 |
switch (*format) {
|
|
Packit Service |
ae04f2 |
case 'e':
|
|
Packit Service |
ae04f2 |
case 'E':
|
|
Packit Service |
ae04f2 |
case 'f':
|
|
Packit Service |
ae04f2 |
case 'g':
|
|
Packit Service |
ae04f2 |
case 'G':
|
|
Packit Service |
ae04f2 |
#ifdef HAVE_LONG_DOUBLE
|
|
Packit Service |
ae04f2 |
if (l) {
|
|
Packit Service |
ae04f2 |
ldbl = va_arg(ap, long double);
|
|
Packit Service |
ae04f2 |
sprintf(buf, fmt, ldbl);
|
|
Packit Service |
ae04f2 |
} else
|
|
Packit Service |
ae04f2 |
#endif
|
|
Packit Service |
ae04f2 |
{
|
|
Packit Service |
ae04f2 |
dbl = va_arg(ap, double);
|
|
Packit Service |
ae04f2 |
sprintf(buf, fmt, dbl);
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
length = strlen(buf);
|
|
Packit Service |
ae04f2 |
if (width > 0U) {
|
|
Packit Service |
ae04f2 |
pad = width - length;
|
|
Packit Service |
ae04f2 |
if (pad < 0)
|
|
Packit Service |
ae04f2 |
pad = 0;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
count += length + pad;
|
|
Packit Service |
ae04f2 |
if (!left)
|
|
Packit Service |
ae04f2 |
while (pad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
pad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
cp = buf;
|
|
Packit Service |
ae04f2 |
while (*cp != ' ' && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = *cp++;
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
while (pad > 0 && size > 1U) {
|
|
Packit Service |
ae04f2 |
*str++ = ' ';
|
|
Packit Service |
ae04f2 |
size--;
|
|
Packit Service |
ae04f2 |
pad--;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
default:
|
|
Packit Service |
ae04f2 |
continue;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
break;
|
|
Packit Service |
ae04f2 |
default:
|
|
Packit Service |
ae04f2 |
continue;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
format++;
|
|
Packit Service |
ae04f2 |
}
|
|
Packit Service |
ae04f2 |
if (size > 0U)
|
|
Packit Service |
ae04f2 |
*str = '\0';
|
|
Packit Service |
ae04f2 |
return (count);
|
|
Packit Service |
ae04f2 |
}
|