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MDEV-23491: __bss_start breaks compilation of various platforms
Remove __bss_start & Co, because systen call "write" check buffer address and return EFAULT if it is wrong.
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/* Copyright (c) 2020, MariaDB Corporation. | ||
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 | ||
the Free Software Foundation; version 2 of the License. | ||
This program is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
GNU General Public License for more details. | ||
You should have received a copy of the GNU General Public License | ||
along with this program; if not, write to the Free Software | ||
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ | ||
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#include <my_global.h> | ||
#include <my_sys.h> | ||
#include <stdio.h> | ||
#include <my_stacktrace.h> | ||
#include <tap.h> | ||
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char b_bss[10]; | ||
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void test_my_safe_print_str() | ||
{ | ||
char b_stack[10]; | ||
char *b_heap= strdup("LEGAL"); | ||
memcpy(b_stack, "LEGAL", 6); | ||
memcpy(b_bss, "LEGAL", 6); | ||
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#ifndef __SANITIZE_ADDRESS__ | ||
fprintf(stderr, "\n===== stack =====\n"); | ||
my_safe_print_str(b_stack, 65535); | ||
fprintf(stderr, "\n===== heap =====\n"); | ||
my_safe_print_str(b_heap, 65535); | ||
fprintf(stderr, "\n===== BSS =====\n"); | ||
my_safe_print_str(b_bss, 65535); | ||
fprintf(stderr, "\n===== data =====\n"); | ||
my_safe_print_str("LEGAL", 65535); | ||
fprintf(stderr, "\n===== Above is a junk, but it is expected. =====\n"); | ||
#endif /*__SANITIZE_ADDRESS__*/ | ||
fprintf(stderr, "\n===== Nornal length test =====\n"); | ||
my_safe_print_str("LEGAL", 5); | ||
fprintf(stderr, "\n===== NULL =====\n"); | ||
my_safe_print_str(0, 5); | ||
#ifndef __SANITIZE_ADDRESS__ | ||
fprintf(stderr, "\n===== (const char*) 1 =====\n"); | ||
my_safe_print_str((const char*)1, 5); | ||
#endif /*__SANITIZE_ADDRESS__*/ | ||
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free(b_heap); | ||
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ok(1, "test_my_safe_print_str"); | ||
} | ||
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int main(int argc __attribute__((unused)), char **argv) | ||
{ | ||
MY_INIT(argv[0]); | ||
plan(1); | ||
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test_my_safe_print_str(); | ||
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my_end(0); | ||
return exit_status(); | ||
} |