4 * Copyright (C) 2006 Dan Carpenter.
6 * Licensed under the Open Software License version 1.1
15 char *option_project_str
= (char *)"";
16 enum project_type option_project
= PROJ_NONE
;
18 int option_no_data
= 0;
19 int option_spammy
= 0;
20 int option_full_path
= 0;
22 typedef void (*reg_func
) (int id
);
23 void register_smatch_extra(int id
);
24 void register_smatch_ignore(int id
);
25 void register_implications(int id
);
26 void register_function_hooks(int id
);
27 void register_modification_hooks(int id
);
28 void register_containers(int id
);
29 void check_debug(int id
);
30 void check_assigned_expr(int id
);
31 void check_null_deref(int id
);
32 void check_overflow(int id
);
33 void check_locking(int id
);
34 void check_memory(int id
);
35 void check_frees_argument(int id
);
36 void check_puts_argument(int id
);
37 void check_leaks(int id
);
38 void check_type(int id
);
39 void check_allocation_funcs(int id
);
40 void check_err_ptr(int id
);
41 void check_err_ptr_deref(int id
);
42 void check_balanced(int id
);
43 void check_deref_check(int id
);
44 void check_hold_dev(int id
);
45 void check_redundant_null_check(int id
);
46 void check_signed(int id
);
47 void check_precedence(int id
);
48 void check_format_string(int id
);
49 void check_unused_ret(int id
);
50 /* <- your test goes here */
52 /* may as well put wine scripts all together */
53 void check_wine(int id
);
54 void check_wine_filehandles(int id
);
55 void check_wine_WtoA(int id
);
57 /* void register_template(int id); */
59 #define CK(_x) {.name = #_x, .func = &_x}
60 static struct reg_func_info
{
64 CK(register_smatch_extra
), /* smatch_extra always has to be first */
65 CK(register_smatch_ignore
),
67 CK(check_assigned_expr
),
73 CK(check_allocation_funcs
),
75 CK(check_frees_argument
),
77 CK(check_deref_check
),
78 CK(check_redundant_null_check
),
81 CK(check_format_string
),
84 /* <- your test goes here */
85 /* CK(register_template), */
89 CK(check_puts_argument
),
91 CK(check_err_ptr_deref
),
94 /* wine specific stuff */
96 CK(check_wine_filehandles
),
99 CK(register_modification_hooks
),
100 CK(register_containers
),
101 CK(register_implications
), /* implications always has to be last */
104 const char *check_name(unsigned short id
)
106 if (id
> ARRAY_SIZE(reg_funcs
)) {
109 return reg_funcs
[id
- 1].name
;
112 int id_from_name(const char *name
)
116 for(i
= 0; i
< ARRAY_SIZE(reg_funcs
); i
++){
117 if (!strcmp(name
, reg_funcs
[i
].name
))
123 struct smatch_state
*default_state
[ARRAY_SIZE(reg_funcs
)];
125 static void help(void)
127 printf("Usage: smatch [smatch arguments][sparse arguments] file.c\n");
128 printf("--project=<name> or -p=<name>: project specific tests\n");
129 printf("--spammy: print superfluous crap.\n");
130 printf("--debug: print lots of debug output.\n");
131 printf("--no-data: do not use the /smatch_data/ directory.\n");
132 printf("--full-path: print the full pathname.\n");
133 printf("--debug-implied: print debug output about implications.\n");
134 printf("--oom <num>: number of mB memory to use before giving up.\n");
135 printf("--no-implied: ignore implications.\n");
136 printf("--assume-loops: assume loops always go through at least once.\n");
137 printf("--known-conditions: don't branch for known conditions.\n");
138 printf("--two-passes: use a two pass system for each function.\n");
139 printf("--help: print this helpfull message.\n");
143 void parse_args(int *argcp
, char ***argvp
)
146 if (!strncmp((*argvp
)[1], "--project=", 10)) {
147 option_project_str
= (*argvp
)[1] + 10;
148 (*argvp
)[1] = (*argvp
)[0];
149 } else if (!strncmp((*argvp
)[1], "-p=", 3)) {
150 option_project_str
= (*argvp
)[1] + 3;
151 (*argvp
)[1] = (*argvp
)[0];
152 } else if (!strcmp((*argvp
)[1], "--debug")) {
154 (*argvp
)[1] = (*argvp
)[0];
155 } else if (!strcmp((*argvp
)[1], "--debug-implied")) {
156 debug_implied_states
= 1;
157 (*argvp
)[1] = (*argvp
)[0];
158 } else if (!strcmp((*argvp
)[1], "--oom")) {
159 option_oom_kb
= atoi((*argvp
)[2]) * 1000;
160 (*argvp
)[2] = (*argvp
)[0];
163 } else if (!strcmp((*argvp
)[1], "--no-implied")) {
164 option_no_implied
= 1;
165 (*argvp
)[1] = (*argvp
)[0];
166 } else if (!strcmp((*argvp
)[1], "--assume-loops")) {
167 option_assume_loops
= 1;
168 (*argvp
)[1] = (*argvp
)[0];
169 } else if (!strcmp((*argvp
)[1], "--known-conditions")) {
170 option_known_conditions
= 1;
171 (*argvp
)[1] = (*argvp
)[0];
172 } else if (!strcmp((*argvp
)[1], "--no-data")) {
174 (*argvp
)[1] = (*argvp
)[0];
175 } else if (!strcmp((*argvp
)[1], "--spammy")) {
177 (*argvp
)[1] = (*argvp
)[0];
178 } else if (!strcmp((*argvp
)[1], "--two-passes")) {
179 option_two_passes
= 1;
180 (*argvp
)[1] = (*argvp
)[0];
181 } else if (!strcmp((*argvp
)[1], "--full-path")) {
182 option_full_path
= 1;
183 (*argvp
)[1] = (*argvp
)[0];
184 } else if (!strcmp((*argvp
)[1], "--help")) {
193 if (!strcmp(option_project_str
, "kernel"))
194 option_project
= PROJ_KERNEL
;
195 if (!strcmp(option_project_str
, "wine"))
196 option_project
= PROJ_WINE
;
199 static char *get_data_dir(char *arg0
)
205 if (option_no_data
) {
208 bin_dir
= dirname(alloc_string(arg0
));
209 strncpy(buf
, bin_dir
, 254);
211 strncat(buf
, "/smatch_data/", 254 - strlen(buf
));
212 dir
= alloc_string(buf
);
213 if (!access(dir
, R_OK
))
215 printf("Warning: %s is not accessible.\n", dir
);
216 printf("Use --no-data to suppress this message.\n");
220 int main(int argc
, char **argv
)
225 parse_args(&argc
, &argv
);
227 data_dir
= get_data_dir(argv
[0]);
229 create_function_hash();
230 for(i
= 0; i
< ARRAY_SIZE(reg_funcs
); i
++){
231 func
= reg_funcs
[i
].func
;
232 /* The script IDs start at 1.
233 0 is used for internal stuff. */
236 register_function_hooks(-1);
239 free_string(data_dir
);