Bug Summary

File:fc-scan/fc-scan.c
Location:line 184, column 5
Description:Potential leak of memory pointed to by 'format'

Annotated Source Code

1/*
2 * fontconfig/fc-scan/fc-scan.c
3 *
4 * Copyright © 2003 Keith Packard
5 * Copyright © 2008 Red Hat, Inc.
6 * Red Hat Author(s): Behdad Esfahbod
7 *
8 * Permission to use, copy, modify, distribute, and sell this software and its
9 * documentation for any purpose is hereby granted without fee, provided that
10 * the above copyright notice appear in all copies and that both that
11 * copyright notice and this permission notice appear in supporting
12 * documentation, and that the name of the author(s) not be used in
13 * advertising or publicity pertaining to distribution of the software without
14 * specific, written prior permission. The authors make no
15 * representations about the suitability of this software for any purpose. It
16 * is provided "as is" without express or implied warranty.
17 *
18 * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
19 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
20 * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
21 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
22 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
23 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
24 * PERFORMANCE OF THIS SOFTWARE.
25 */
26
27#ifdef HAVE_CONFIG_H1
28#include <config.h>
29#else
30#ifdef linux
31#define HAVE_GETOPT_LONG1 1
32#endif
33#define HAVE_GETOPT1 1
34#endif
35
36#include <fontconfig/fontconfig.h>
37#include <fontconfig/fcfreetype.h>
38#include <stdio.h>
39#include <unistd.h>
40#include <stdlib.h>
41#include <string.h>
42
43#ifndef HAVE_GETOPT1
44#define HAVE_GETOPT1 0
45#endif
46#ifndef HAVE_GETOPT_LONG1
47#define HAVE_GETOPT_LONG1 0
48#endif
49
50#if HAVE_GETOPT_LONG1
51#undef _GNU_SOURCE
52#define _GNU_SOURCE
53#include <getopt.h>
54static const struct option longopts[] = {
55 {"ignore-blanks", 0, 0, 'b'},
56 {"format", 1, 0, 'f'},
57 {"version", 0, 0, 'V'},
58 {"help", 0, 0, 'h'},
59 {NULL((void*)0),0,0,0},
60};
61#else
62#if HAVE_GETOPT1
63extern char *optarg;
64extern int optind, opterr, optopt;
65#endif
66#endif
67
68static void
69usage (char *program, int error)
70{
71 FILE *file = error ? stderr__stderrp : stdout__stdoutp;
72#if HAVE_GETOPT_LONG1
73 fprintf (file, "usage: %s [-Vbh] [-f FORMAT] [--ignore-blanks] [--format FORMAT] [--version] [--help] font-file...\n",
74 program);
75#else
76 fprintf (file, "usage: %s [-Vbh] [-f FORMAT] font-file...\n",
77 program);
78#endif
79 fprintf (file, "Scan font files and directories, and print resulting pattern(s)\n");
80 fprintf (file, "\n");
81#if HAVE_GETOPT_LONG1
82 fprintf (file, " -b, --ignore-blanks ignore blanks to compute languages\n");
83 fprintf (file, " -f, --format=FORMAT use the given output format\n");
84 fprintf (file, " -V, --version display font config version and exit\n");
85 fprintf (file, " -h, --help display this help and exit\n");
86#else
87 fprintf (file, " -b (ignore-blanks) ignore blanks to compute languages\n");
88 fprintf (file, " -f FORMAT (format) use the given output format\n");
89 fprintf (file, " -V (version) display font config version and exit\n");
90 fprintf (file, " -h (help) display this help and exit\n");
91#endif
92 exit (error);
93}
94
95int
96main (int argc, char **argv)
97{
98 FcChar8 *format = NULL((void*)0);
99 int i;
100 int ignore_blanks = 0;
101 FcFontSet *fs;
102 FcBlanks *blanks = NULL((void*)0);
103#if HAVE_GETOPT_LONG1 || HAVE_GETOPT1
104 int c;
105
106#if HAVE_GETOPT_LONG1
107 while ((c = getopt_long (argc, argv, "bf:Vh", longopts, NULL((void*)0))) != -1)
1
Loop condition is true. Entering loop body
5
Loop condition is false. Execution continues on line 129
108#else
109 while ((c = getopt (argc, argv, "bf:Vh")) != -1)
110#endif
111 {
112 switch (c) {
2
Control jumps to 'case 102:' at line 116
113 case 'b':
114 ignore_blanks = 1;
115 break;
116 case 'f':
117 format = (FcChar8 *) strdup (optarg);
3
Memory is allocated
118 break;
4
Execution continues on line 107
119 case 'V':
120 fprintf (stderr__stderrp, "fontconfig version %d.%d.%d\n",
121 FC_MAJOR2, FC_MINOR11, FC_REVISION95);
122 exit (0);
123 case 'h':
124 usage (argv[0], 0);
125 default:
126 usage (argv[0], 1);
127 }
128 }
129 i = optind;
130#else
131 i = 1;
132#endif
133
134 if (i == argc)
6
Taking false branch
135 usage (argv[0], 1);
136
137 fs = FcFontSetCreate ();
138 if (!ignore_blanks)
7
Taking true branch
139 blanks = FcConfigGetBlanks (NULL((void*)0));
140
141 for (; i < argc; i++)
8
Loop condition is false. Execution continues on line 161
142 {
143 const FcChar8 *file = (FcChar8*) argv[i];
144
145 if (!FcFileIsDir (file))
146 FcFileScan (fs, NULL((void*)0), NULL((void*)0), blanks, file, FcTrue1);
147 else
148 {
149 FcStrSet *dirs = FcStrSetCreate ();
150 FcStrList *strlist = FcStrListCreate (dirs);
151 do
152 {
153 FcDirScan (fs, dirs, NULL((void*)0), blanks, file, FcTrue1);
154 }
155 while ((file = FcStrListNext (strlist)));
156 FcStrListDone (strlist);
157 FcStrSetDestroy (dirs);
158 }
159 }
160
161 for (i = 0; i < fs->nfont; i++)
9
Loop condition is false. Execution continues on line 184
162 {
163 FcPattern *pat;
164
165 pat = fs->fonts[i];
166
167 if (format)
168 {
169 FcChar8 *s;
170
171 s = FcPatternFormat (pat, format);
172 if (s)
173 {
174 printf ("%s", s);
175 FcStrFree (s);
176 }
177 }
178 else
179 {
180 FcPatternPrint (pat);
181 }
182 }
183
184 FcFontSetDestroy (fs);
10
Potential leak of memory pointed to by 'format'
185
186 FcFini ();
187 return i > 0 ? 0 : 1;
188}