clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name tree.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -pic-is-pie -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/usr.bin/ctags/obj -resource-dir /usr/local/llvm16/lib/clang/16 -I /usr/src/usr.bin/ctags -internal-isystem /usr/local/llvm16/lib/clang/16/include -internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir=/usr/src/usr.bin/ctags/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fno-jump-tables -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/scan/2024-01-11-140451-98009-1 -x c /usr/src/usr.bin/ctags/tree.c
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33 | #include <err.h> |
34 | #include <limits.h> |
35 | #include <stdio.h> |
36 | #include <stdlib.h> |
37 | #include <string.h> |
38 | #include <sys/dirent.h> |
39 | |
40 | #include "ctags.h" |
41 | |
42 | bool in_preload = NO; |
43 | |
44 | static void add_node(NODE *, NODE *); |
45 | static void free_tree(NODE *); |
46 | |
47 | |
48 | |
49 | |
50 | |
51 | void |
52 | pfnote(char *name, int ln) |
53 | { |
54 | NODE *np; |
55 | char *fp; |
56 | char nbuf[1+MAXNAMLEN+1]; |
57 | |
58 | if (!(np = malloc(sizeof(NODE)))) { |
| |
| 2 | | Assuming 'np' is non-null | |
|
59 | warnx("too many entries to sort"); |
60 | put_entries(head); |
61 | free_tree(head); |
62 | if (!(head = np = malloc(sizeof(NODE)))) |
63 | err(1, NULL); |
64 | } |
65 | if (!xflag && !strcmp(name, "main")) { |
| 3 | | Assuming 'xflag' is not equal to 0 | |
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66 | if (!(fp = strrchr(curfile, '/'))) |
67 | fp = curfile; |
68 | else |
69 | ++fp; |
70 | (void)snprintf(nbuf, sizeof nbuf, "M%s", fp); |
71 | fp = strrchr(nbuf, '.'); |
72 | if (fp && !fp[2]) |
73 | *fp = EOS; |
74 | name = nbuf; |
75 | } |
76 | if (!(np->entry = strdup(name))) |
| 4 | | Assuming field 'entry' is non-null | |
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77 | err(1, NULL); |
78 | np->file = curfile; |
79 | np->lno = ln; |
80 | np->left = np->right = 0; |
81 | np->been_warned = NO; |
82 | np->dynfile = in_preload; |
83 | if (!(np->pat = strdup(lbuf))) |
| 6 | | Assuming field 'pat' is non-null | |
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84 | err(1, NULL); |
85 | if (!head) |
| 8 | | Assuming 'head' is non-null | |
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86 | head = np; |
87 | else |
88 | add_node(np, head); |
89 | } |
| 10 | | Potential leak of memory pointed to by 'np' |
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90 | |
91 | static void |
92 | add_node(NODE *node, NODE *cur_node) |
93 | { |
94 | int dif; |
95 | |
96 | dif = strcmp(node->entry, cur_node->entry); |
97 | if (!dif) { |
98 | if (node->file == cur_node->file) { |
99 | if (!wflag) |
100 | fprintf(stderr, "Duplicate entry in file %s, " |
101 | "line %d: %s\nSecond entry ignored\n", |
102 | node->file, lineno, node->entry); |
103 | return; |
104 | } |
105 | if (!cur_node->been_warned) |
106 | if (!wflag) |
107 | fprintf(stderr, "Duplicate entry in files %s " |
108 | "and %s: %s (Warning only)\n", |
109 | node->file, cur_node->file, node->entry); |
110 | cur_node->been_warned = YES; |
111 | } |
112 | else if (dif < 0) |
113 | if (cur_node->left) |
114 | add_node(node, cur_node->left); |
115 | else |
116 | cur_node->left = node; |
117 | else if (cur_node->right) |
118 | add_node(node, cur_node->right); |
119 | else |
120 | cur_node->right = node; |
121 | } |
122 | |
123 | static void |
124 | free_tree(NODE *node) |
125 | { |
126 | if (node) { |
127 | free_tree(node->left); |
128 | free_tree(node->right); |
129 | |
130 | free(node->entry); |
131 | free(node->pat); |
132 | if (node->dynfile == YES) |
133 | free(node->file); |
134 | free(node); |
135 | } |
136 | } |