mirror of
git://sourceware.org/git/lvm2.git
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147 lines
3.2 KiB
C
147 lines
3.2 KiB
C
/*
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* Copyright (C) 2015 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License v.2.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* Coverity usage:
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*
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* translate model into xml
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* cov-make-library -of coverity_model.xml coverity_model.c
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*
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* compile (using outdir 'cov'):
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* cov-build --dir=cov make CC=gcc
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*
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* analyze (agressively, using 'cov')
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* cov-analyze --dir cov --wait-for-license --hfa --concurrency --enable-fnptr --enable-constraint-fpp --security --all --aggressiveness-level=high --field-offset-escape --user-model-file=coverity/coverity_model.xml
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*
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* generate html output (to 'html' from 'cov'):
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* cov-format-errors --dir cov --html-output html
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*/
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struct lv_segment;
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struct logical_volume;
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struct lv_segment *first_seg(const struct logical_volume *lv)
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{
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return ((struct lv_segment **)lv)[0];
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}
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struct lv_segment *last_seg(const struct logical_volume *lv)
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{
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return ((struct lv_segment **)lv)[0];
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}
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const char *find_config_tree_str(struct cmd_context *cmd, int id, struct profile *profile)
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{
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return "STRING";
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}
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struct logical_volume *origin_from_cow(const struct logical_volume *lv)
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{
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if (lv)
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return lv;
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__coverity_panic__();
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}
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/* simple_memccpy() from glibc */
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void *memccpy(void *dest, const void *src, int c, size_t n)
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{
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const char *s = src;
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char *d = dest;
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while (n-- > 0)
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if ((*d++ = *s++) == (char) c)
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return d;
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return 0;
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}
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/*
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* 2 lines bellow needs to be placed in coverity/config/user_nodefs.h
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* Not sure about any other way.
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* Without them, coverity shows warning since x86 system header files
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* are using inline assembly to reset fdset
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*/
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//#nodef FD_ZERO model_FD_ZERO
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//void model_FD_ZERO(void *fdset);
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void model_FD_ZERO(void *fdset)
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{
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unsigned i;
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for (i = 0; i < 1024 / 8 / sizeof(long); ++i)
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((long*)fdset)[i] = 0;
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}
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/* Resent Coverity reports quite weird errors... */
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int *__errno_location(void)
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{
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}
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const unsigned short **__ctype_b_loc (void)
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{
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}
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/*
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* Added extra pointer check to not need these models,
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* for now just keep then in file
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*/
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/*
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struct cmd_context;
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struct profile;
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const char *find_config_tree_str(struct cmd_context *cmd, int id, struct profile *profile)
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{
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return "text";
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}
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const char *find_config_tree_str_allow_empty(struct cmd_context *cmd, int id, struct profile *profile)
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{
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return "text";
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}
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*/
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/*
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* Until fixed coverity case# 00531860:
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* A FORWARD_NULL false positive on a recursive function call
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*
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* model also these functions:
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*/
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/*
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const struct dm_config_node;
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const struct dm_config_node *find_config_tree_array(struct cmd_context *cmd, int id, struct profile *profile)
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{
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const struct dm_config_node *cn;
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return cn;
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}
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const struct dm_config_node *find_config_tree_node(struct cmd_context *cmd, int id, struct profile *profile)
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{
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const struct dm_config_node *cn;
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return cn;
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}
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int find_config_tree_bool(struct cmd_context *cmd, int id, struct profile *profile)
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{
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int b;
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return b;
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}
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*/
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