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Diffstat (limited to 'lib/libarchive/archive_string_sprintf.c')
| -rw-r--r-- | lib/libarchive/archive_string_sprintf.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/lib/libarchive/archive_string_sprintf.c b/lib/libarchive/archive_string_sprintf.c deleted file mode 100644 index 9199106..0000000 --- a/lib/libarchive/archive_string_sprintf.c +++ /dev/null @@ -1,164 +0,0 @@ -/*- - * Copyright (c) 2003-2007 Tim Kientzle - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "archive_platform.h" -__FBSDID("$FreeBSD$"); - -/* - * The use of printf()-family functions can be troublesome - * for space-constrained applications. In addition, correctly - * implementing this function in terms of vsnprintf() requires - * two calls (one to determine the size, another to format the - * result), which in turn requires duplicating the argument list - * using va_copy, which isn't yet universally available. <sigh> - * - * So, I've implemented a bare minimum of printf()-like capability - * here. This is only used to format error messages, so doesn't - * require any floating-point support or field-width handling. - */ - -#include <stdio.h> - -#include "archive_string.h" -#include "archive_private.h" - -/* - * Utility functions to format signed/unsigned integers and append - * them to an archive_string. - */ -static void -append_uint(struct archive_string *as, uintmax_t d, unsigned base) -{ - static const char *digits = "0123456789abcdef"; - if (d >= base) - append_uint(as, d/base, base); - archive_strappend_char(as, digits[d % base]); -} - -static void -append_int(struct archive_string *as, intmax_t d, unsigned base) -{ - if (d < 0) { - archive_strappend_char(as, '-'); - d = -d; - } - append_uint(as, d, base); -} - - -void -__archive_string_sprintf(struct archive_string *as, const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - archive_string_vsprintf(as, fmt, ap); - va_end(ap); -} - -/* - * Like 'vsprintf', but ensures the target is big enough, resizing if - * necessary. - */ -void -__archive_string_vsprintf(struct archive_string *as, const char *fmt, - va_list ap) -{ - char long_flag; - intmax_t s; /* Signed integer temp. */ - uintmax_t u; /* Unsigned integer temp. */ - const char *p, *p2; - - if (__archive_string_ensure(as, 64) == NULL) - __archive_errx(1, "Out of memory"); - - if (fmt == NULL) { - as->s[0] = 0; - return; - } - - for (p = fmt; *p != '\0'; p++) { - const char *saved_p = p; - - if (*p != '%') { - archive_strappend_char(as, *p); - continue; - } - - p++; - - long_flag = '\0'; - switch(*p) { - case 'j': - long_flag = 'j'; - p++; - break; - case 'l': - long_flag = 'l'; - p++; - break; - } - - switch (*p) { - case '%': - __archive_strappend_char(as, '%'); - break; - case 'c': - s = va_arg(ap, int); - __archive_strappend_char(as, s); - break; - case 'd': - switch(long_flag) { - case 'j': s = va_arg(ap, intmax_t); break; - case 'l': s = va_arg(ap, long); break; - default: s = va_arg(ap, int); break; - } - append_int(as, s, 10); - break; - case 's': - p2 = va_arg(ap, char *); - archive_strcat(as, p2); - break; - case 'o': case 'u': case 'x': case 'X': - /* Common handling for unsigned integer formats. */ - switch(long_flag) { - case 'j': u = va_arg(ap, uintmax_t); break; - case 'l': u = va_arg(ap, unsigned long); break; - default: u = va_arg(ap, unsigned int); break; - } - /* Format it in the correct base. */ - switch (*p) { - case 'o': append_uint(as, u, 8); break; - case 'u': append_uint(as, u, 10); break; - default: append_uint(as, u, 16); break; - } - break; - default: - /* Rewind and print the initial '%' literally. */ - p = saved_p; - archive_strappend_char(as, *p); - } - } -} |
