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419aa01123
On platforms where closefrom returns void (eg glibc>=2.34) the prototype for closefrom in its compat tests would cause compile errors. Remove this and have the tests pull in the compat headers in the same way as the main code. bz#3336.
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/*
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* Copyright (c) 2005 Darren Tucker
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* Copyright (c) 2005 Damien Miller
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define BUFSZ 2048
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#include "includes.h"
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#include <sys/types.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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static int failed = 0;
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static void
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fail(const char *m)
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{
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fprintf(stderr, "snprintftest: %s\n", m);
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failed = 1;
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}
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int x_snprintf(char *str, size_t count, const char *fmt, ...)
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{
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size_t ret;
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va_list ap;
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va_start(ap, fmt);
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ret = vsnprintf(str, count, fmt, ap);
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va_end(ap);
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return ret;
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}
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int
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main(void)
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{
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char b[5];
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char *src = NULL;
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snprintf(b,5,"123456789");
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if (b[4] != '\0')
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fail("snprintf does not correctly terminate long strings");
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/* check for read overrun on unterminated string */
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if ((src = malloc(BUFSZ)) == NULL) {
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fail("malloc failed");
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} else {
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memset(src, 'a', BUFSZ);
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snprintf(b, sizeof(b), "%.*s", 1, src);
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if (strcmp(b, "a") != 0)
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fail("failed with length limit '%%.s'");
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}
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/* check that snprintf and vsnprintf return sane values */
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if (snprintf(b, 1, "%s %d", "hello", 12345) != 11)
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fail("snprintf does not return required length");
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if (x_snprintf(b, 1, "%s %d", "hello", 12345) != 11)
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fail("vsnprintf does not return required length");
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free(src);
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return failed;
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}
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