2 * \file popt/poptconfig.c
5 /* (C) 1998-2000 Red Hat, Inc. -- Licensing details are in the COPYING
6 file accompanying popt source distributions, available from
7 ftp://ftp.rpm.org/pub/rpm/dist. */
12 /*@-compmempass@*/ /* FIX: item->option.longName kept, not dependent. */
13 static void configLine(poptContext con, char * line)
17 int nameLength = strlen(con->appName);
19 const char * entryType;
21 poptItem item = (poptItem) alloca(sizeof(*item));
24 memset(item, 0, sizeof(*item));
27 if (strncmp(line, con->appName, nameLength)) return;
31 if (*line == '\0' || !isspace(*line)) return;
33 while (*line != '\0' && isspace(*line)) line++;
35 while (*line == '\0' || !isspace(*line)) line++;
38 while (*line != '\0' && isspace(*line)) line++;
39 if (*line == '\0') return;
41 while (*line == '\0' || !isspace(*line)) line++;
44 while (*line != '\0' && isspace(*line)) line++;
45 if (*line == '\0') return;
47 /*@-temptrans@*/ /* FIX: line alias is saved */
48 if (opt[0] == '-' && opt[1] == '-')
49 item->option.longName = opt + 2;
50 else if (opt[0] == '-' && opt[2] == '\0')
51 item->option.shortName = opt[1];
54 if (poptParseArgvString(line, &item->argc, &item->argv)) return;
57 item->option.argInfo = POPT_ARGFLAG_DOC_HIDDEN;
58 for (i = 0, j = 0; i < item->argc; i++, j++) {
60 if (!strncmp(item->argv[i], "--POPTdesc=", sizeof("--POPTdesc=")-1)) {
61 f = item->argv[i] + sizeof("--POPTdesc=");
62 if (f[0] == '$' && f[1] == '"') f++;
63 item->option.descrip = f;
64 item->option.argInfo &= ~POPT_ARGFLAG_DOC_HIDDEN;
67 if (!strncmp(item->argv[i], "--POPTargs=", sizeof("--POPTargs=")-1)) {
68 f = item->argv[i] + sizeof("--POPTargs=");
69 if (f[0] == '$' && f[1] == '"') f++;
70 item->option.argDescrip = f;
71 item->option.argInfo &= ~POPT_ARGFLAG_DOC_HIDDEN;
72 item->option.argInfo |= POPT_ARG_STRING;
76 item->argv[j] = item->argv[i];
84 /*@-nullstate@*/ /* FIX: item->argv[] may be NULL */
85 if (!strcmp(entryType, "alias"))
86 (void) poptAddItem(con, item, 0);
87 else if (!strcmp(entryType, "exec"))
88 (void) poptAddItem(con, item, 1);
93 int poptReadConfigFile(poptContext con, const char * fn)
95 const char * file, * chptr, * end;
97 /*@dependent@*/ char * dst;
101 fd = open(fn, O_RDONLY);
103 return (errno == ENOENT ? 0 : POPT_ERROR_ERRNO);
105 fileLength = lseek(fd, 0, SEEK_END);
106 if (fileLength == -1 || lseek(fd, 0, 0) == -1) {
112 return POPT_ERROR_ERRNO;
115 file = alloca(fileLength + 1);
116 if (read(fd, (char *)file, fileLength) != fileLength) {
122 return POPT_ERROR_ERRNO;
125 return POPT_ERROR_ERRNO;
127 dst = buf = alloca(fileLength + 1);
130 end = (file + fileLength);
131 /*@-infloops@*/ /* LCL: can't detect chptr++ */
132 while (chptr < end) {
137 while (*dst && isspace(*dst)) dst++;
138 if (*dst && *dst != '#')
139 configLine(con, dst);
141 /*@switchbreak@*/ break;
147 /* \ at the end of a line does not insert a \n */
151 /*@switchbreak@*/ break;
154 /*@switchbreak@*/ break;
162 int poptReadDefaultConfig(poptContext con, /*@unused@*/ int useEnv) {
167 if (!con->appName) return 0;
170 rc = poptReadConfigFile(con, "/etc/popt");
172 if (getuid() != geteuid()) return 0;
174 if ((home = getenv("HOME"))) {
175 fn = alloca(strlen(home) + 20);
177 strcat(fn, "/.popt");
178 rc = poptReadConfigFile(con, fn);