Bug Summary

File:tools/rpmgraph.c
Warning:line 71, column 2
Value stored to 'fileURL' is never read

Annotated Source Code

1#include "system.h"
2
3#include <rpm/rpmcli.h>
4#include <rpm/rpmlib.h> /* rpmReadPackageFile */
5#include <rpm/rpmdb.h>
6#include <rpm/rpmps.h>
7#include <rpm/rpmte.h>
8#include <rpm/rpmts.h>
9#include <rpm/rpmds.h>
10
11#include <rpm/rpmlog.h>
12#include <rpm/rpmfileutil.h>
13
14#include "lib/manifest.h"
15#include "debug.h"
16
17static int noDeps = 1;
18
19static rpmVSFlags vsflags = 0;
20
21static int
22rpmGraph(rpmts ts, struct rpmInstallArguments_s * ia, const char ** fileArgv)
23{
24 char ** pkgURL = NULL((void*)0);
25 char * pkgState = NULL((void*)0);
26 const char ** fnp;
27 char * fileURL = NULL((void*)0);
28 int numPkgs = 0;
29 int numFailed = 0;
30 int prevx = 0;
31 int pkgx = 0;
32 char ** argv = NULL((void*)0);
33 int argc = 0;
34 char ** av = NULL((void*)0);
35 int ac = 0;
36 Header h;
37 rpmRC rpmrc;
38 int rc = 0;
39 rpmVSFlags ovsflags;
40 int i;
41
42 if (fileArgv == NULL((void*)0))
43 return 0;
44
45 /* Build fully globbed list of arguments in argv[argc]. */
46 for (fnp = fileArgv; *fnp; fnp++) {
47 av = _free(av)rfree((av));
48 ac = 0;
49 rc = rpmGlob(*fnp, &ac, &av);
50 if (rc || ac == 0) continue;
51
52 argv = xrealloc(argv, (argc+2) * sizeof(*argv))rrealloc((argv), ((argc+2) * sizeof(*argv)));
53 memcpy(argv+argc, av, ac * sizeof(*av));
54 argc += ac;
55 argv[argc] = NULL((void*)0);
56 }
57 av = _free(av)rfree((av)); ac = 0;
58
59restart:
60 /* Allocate sufficient storage for next set of args. */
61 if (pkgx >= numPkgs) {
62 numPkgs = pkgx + argc;
63 pkgURL = xrealloc(pkgURL, (numPkgs + 1) * sizeof(*pkgURL))rrealloc((pkgURL), ((numPkgs + 1) * sizeof(*pkgURL)));
64 memset(pkgURL + pkgx, 0, ((argc + 1) * sizeof(*pkgURL)));
65 pkgState = xrealloc(pkgState, (numPkgs + 1) * sizeof(*pkgState))rrealloc((pkgState), ((numPkgs + 1) * sizeof(*pkgState)));
66 memset(pkgState + pkgx, 0, ((argc + 1) * sizeof(*pkgState)));
67 }
68
69 /* Copy next set of args. */
70 for (i = 0; i < argc; i++) {
71 fileURL = _free(fileURL)rfree((fileURL));
Value stored to 'fileURL' is never read
72 fileURL = argv[i];
73 argv[i] = NULL((void*)0);
74
75 pkgURL[pkgx] = fileURL;
76 fileURL = NULL((void*)0);
77 pkgx++;
78 }
79 fileURL = _free(fileURL)rfree((fileURL));
80
81 /* Continue processing file arguments, building transaction set. */
82 for (fnp = (const char **) pkgURL+prevx; *fnp != NULL((void*)0); fnp++, prevx++) {
83 const char * fileName;
84 FD_t fd;
85
86 (void) urlPath(*fnp, &fileName);
87
88 /* Try to read the header from a package file. */
89 fd = Fopen(*fnp, "r.ufdio");
90 if (fd == NULL((void*)0) || Ferror(fd)) {
91 rpmlog(RPMLOG_ERR, _("open of %s failed: %s\n")dcgettext ("rpm", "open of %s failed: %s\n", 5), *fnp,
92 Fstrerror(fd));
93 if (fd) {
94 Fclose(fd);
95 fd = NULL((void*)0);
96 }
97 numFailed++; *fnp = NULL((void*)0);
98 continue;
99 }
100
101 /* Read the header, verifying signatures (if present). */
102 ovsflags = rpmtsSetVSFlags(ts, vsflags);
103 rpmrc = rpmReadPackageFile(ts, fd, *fnp, &h);
104 rpmtsSetVSFlags(ts, ovsflags);
105 Fclose(fd);
106 fd = NULL((void*)0);
107
108 switch (rpmrc) {
109 case RPMRC_FAIL:
110 default:
111 rpmlog(RPMLOG_ERR, _("%s cannot be installed\n")dcgettext ("rpm", "%s cannot be installed\n", 5), *fnp);
112 numFailed++; *fnp = NULL((void*)0);
113 break;
114 case RPMRC_OK:
115 rc = rpmtsAddInstallElement(ts, h, (fnpyKey)fileName, 0, NULL((void*)0));
116 break;
117 case RPMRC_NOTFOUND:
118 goto maybe_manifest;
119 break;
120 }
121 h = headerFree(h);
122 continue;
123
124maybe_manifest:
125 /* Try to read a package manifest. */
126 fd = Fopen(*fnp, "r.ufdio");
127 if (fd == NULL((void*)0) || Ferror(fd)) {
128 rpmlog(RPMLOG_ERR, _("open of %s failed: %s\n")dcgettext ("rpm", "open of %s failed: %s\n", 5), *fnp,
129 Fstrerror(fd));
130 if (fd) {
131 Fclose(fd);
132 fd = NULL((void*)0);
133 }
134 numFailed++; *fnp = NULL((void*)0);
135 break;
136 }
137
138 /* Read list of packages from manifest. */
139 rc = rpmReadPackageManifest(fd, &argc, &argv);
140 if (rc)
141 rpmlog(RPMLOG_NOTICE, _("%s: read manifest failed: %s\n")dcgettext ("rpm", "%s: read manifest failed: %s\n", 5),
142 fileURL, Fstrerror(fd));
143 Fclose(fd);
144 fd = NULL((void*)0);
145
146 /* If successful, restart the query loop. */
147 if (rc == 0) {
148 prevx++;
149 goto restart;
150 }
151
152 numFailed++; *fnp = NULL((void*)0);
153 break;
154 }
155
156 if (numFailed > 0) goto exit;
157
158 if (!noDeps) {
159 rpmps ps;
160 rc = rpmtsCheck(ts);
161 if (rc) {
162 numFailed += numPkgs;
163 goto exit;
164 }
165 ps = rpmtsProblems(ts);
166 if (rpmpsNumProblems(ps) > 0) {
167 rpmlog(RPMLOG_ERR, _("Failed dependencies:\n")dcgettext ("rpm", "Failed dependencies:\n", 5));
168 rpmpsPrint(NULL((void*)0), ps);
169 numFailed += numPkgs;
170 }
171 rpmpsFree(ps);
172 }
173
174 rc = rpmtsOrder(ts);
175 if (rc)
176 goto exit;
177
178 { rpmtsi pi;
179 rpmte p;
180 rpmte q;
181 int oType = TR_ADDED;
182
183 fprintf(stdoutstdout, "digraph XXX {\n");
184
185 fprintf(stdoutstdout, " rankdir=LR\n");
186
187 fprintf(stdoutstdout, "//===== Packages:\n");
188 pi = rpmtsiInit(ts);
189 while ((p = rpmtsiNext(pi, oType)) != NULL((void*)0)) {
190 q = rpmteParent(p);
191 if (q != NULL((void*)0))
192 fprintf(stdoutstdout, " \"%s\" -> \"%s\"\n", rpmteN(p), rpmteN(q));
193 else {
194 fprintf(stdoutstdout, " \"%s\"\n", rpmteN(p));
195 fprintf(stdoutstdout, " { rank=max ; \"%s\" }\n", rpmteN(p));
196 }
197 }
198 rpmtsiFree(pi);
199
200 fprintf(stdoutstdout, "}\n");
201 }
202
203 rc = 0;
204
205exit:
206 for (i = 0; i < numPkgs; i++)
207 pkgURL[i] = _free(pkgURL[i])rfree((pkgURL[i]));
208 pkgState = _free(pkgState)rfree((pkgState));
209 pkgURL = _free(pkgURL)rfree((pkgURL));
210 argv = _free(argv)rfree((argv));
211
212 return rc;
213}
214
215static struct poptOption optionsTable[] = {
216 { "check", '\0', POPT_ARG_VAL7U|POPT_ARGFLAG_DOC_HIDDEN0x40000000U, &noDeps, 0,
217 N_("don't verify package dependencies")"don't verify package dependencies", NULL((void*)0) },
218 { "nolegacy", '\0', POPT_BIT_SET(7U|0x08000000U), &vsflags, RPMVSF_NEEDPAYLOAD,
219 N_("don't verify header+payload signature")"don't verify header+payload signature", NULL((void*)0) },
220 { NULL((void*)0), '\0', POPT_ARG_INCLUDE_TABLE4U, rpmcliAllPoptTable, 0,
221 N_("Common options for all rpm modes and executables:")"Common options for all rpm modes and executables:",
222 NULL((void*)0) },
223
224 POPT_AUTOALIAS{ ((void*)0), '\0', 4U, poptAliasOptions, 0, "Options implemented via popt alias/exec:"
, ((void*)0) },
225 POPT_AUTOHELP{ ((void*)0), '\0', 4U, poptHelpOptions, 0, "Help options:", (
(void*)0) },
226 POPT_TABLEEND{ ((void*)0), '\0', 0, ((void*)0), 0, ((void*)0), ((void*)0) }
227};
228
229int
230main(int argc, char *argv[])
231{
232 rpmts ts = NULL((void*)0);
233 struct rpmInstallArguments_s * ia = &rpmIArgs;
234 poptContext optCon;
235 int ec = 0;
236
237 xsetprogname(argv[0]); /* Portability call -- see system.h */
238
239 optCon = rpmcliInit(argc, argv, optionsTable);
240 if (optCon == NULL((void*)0))
241 exit(EXIT_FAILURE1);
242
243 ts = rpmtsCreate();
244 if (rpmcliQueryFlags & VERIFY_DIGEST)
245 vsflags |= _RPMVSF_NODIGESTS( RPMVSF_NOSHA1HEADER | RPMVSF_NOSHA256HEADER | RPMVSF_NOPAYLOAD
| RPMVSF_NOMD5 );
246 if (rpmcliQueryFlags & VERIFY_SIGNATURE)
247 vsflags |= _RPMVSF_NOSIGNATURES( RPMVSF_NODSAHEADER | RPMVSF_NORSAHEADER | RPMVSF_NODSA | RPMVSF_NORSA
);
248 if (rpmcliQueryFlags & VERIFY_HDRCHK)
249 vsflags |= RPMVSF_NOHDRCHK;
250 (void) rpmtsSetVSFlags(ts, vsflags);
251
252 ec = rpmGraph(ts, ia, poptGetArgs(optCon));
253
254 rpmtsFree(ts);
255
256 rpmcliFini(optCon);
257
258 return ec;
259}