static void configLine(poptContext con, char * line) {
int nameLength = strlen(con->appName);
char * opt;
struct poptAlias alias;
if (strncmp(line, con->appName, nameLength)) return;
line += nameLength;
if (!*line || !isspace(*line)) return;
while (*line && isspace(*line)) line++;
if (!strncmp(line, "alias", 5)) {
line += 5;
if (!*line || !isspace(*line)) return;
while (*line && isspace(*line)) line++;
if (!*line) return;
opt = line;
while (*line && !isspace(*line)) line++;
if (!*line) return;
*line++ = '\0';
while (*line && isspace(*line)) line++;
if (!*line) return;
if (!strlen(opt)) return;
if (poptParseArgvString(line, &alias.argc, &alias.argv)) return;
if (opt[0] == '-' && opt[1] == '-') {
alias.longName = opt + 2;
alias.shortName = '\0';
poptAddAlias(con, alias, 0);
} else if (opt[0] == '-' && !opt[2]) {
alias.longName = NULL;
alias.shortName = opt[1];
poptAddAlias(con, alias, 0);
}
}
}
static void configLine(poptContext con, char * line) {
int nameLength = strlen(con->appName);
char * opt;
struct poptAlias alias;
char * entryType;
char * longName = NULL;
char shortName = '\0';
if (strncmp(line, con->appName, nameLength)) return;
line += nameLength;
if (!*line || !isspace(*line)) return;
while (*line && isspace(*line)) line++;
entryType = line;
while (!*line || !isspace(*line)) line++;
*line++ = '\0';
while (*line && isspace(*line)) line++;
if (!*line) return;
opt = line;
while (!*line || !isspace(*line)) line++;
*line++ = '\0';
while (*line && isspace(*line)) line++;
if (!*line) return;
if (opt[0] == '-' && opt[1] == '-')
longName = opt + 2;
else if (opt[0] == '-' && !opt[2])
shortName = opt[1];
if (!strcmp(entryType, "alias")) {
if (poptParseArgvString(line, &alias.argc, &alias.argv)) return;
alias.longName = longName, alias.shortName = shortName;
poptAddAlias(con, alias, 0);
} else if (!strcmp(entryType, "exec")) {
con->execs = realloc(con->execs,
sizeof(*con->execs) * (con->numExecs + 1));
if (longName)
con->execs[con->numExecs].longName = strdup(longName);
else
con->execs[con->numExecs].longName = NULL;
con->execs[con->numExecs].shortName = shortName;
con->execs[con->numExecs].script = strdup(line);
con->numExecs++;
}
}
int poptReadDefaultConfig(poptContext con, int useEnv) {
char * envName, * envValue;
char * fn, * home, * chptr;
int rc, skip;
struct poptAlias alias;
if (!con->appName) return 0;
rc = poptReadConfigFile(con, "/etc/popt");
if (rc) return rc;
if (getuid() != geteuid()) return 0;
if ((home = getenv("HOME"))) {
fn = (char*)alloca(strlen(home) + 20);
sprintf(fn, "%s/.popt", home);
rc = poptReadConfigFile(con, fn);
if (rc) return rc;
}
envName = (char*)alloca(strlen(con->appName) + 20);
strcpy(envName, con->appName);
chptr = envName;
while (*chptr) {
*chptr = toupper(*chptr);
chptr++;
}
strcat(envName, "_POPT_ALIASES");
if (useEnv && (envValue = getenv(envName))) {
envValue = strcpy((char*)alloca(strlen(envValue) + 1), envValue);
while (envValue && *envValue) {
chptr = strchr(envValue, '=');
if (!chptr) {
envValue = strchr(envValue, '\n');
if (envValue) envValue++;
continue;
}
*chptr = '\0';
skip = 0;
if (!strncmp(envValue, "--", 2)) {
alias.longName = envValue + 2;
alias.shortName = '\0';
} else if (*envValue == '-' && strlen(envValue) == 2) {
alias.longName = NULL;
alias.shortName = envValue[1];
} else {
skip = 1;
}
envValue = chptr + 1;
chptr = strchr(envValue, '\n');
if (chptr) *chptr = '\0';
if (!skip) {
poptParseArgvString(envValue, &alias.argc, &alias.argv);
poptAddAlias(con, alias, 0);
}
if (chptr)
envValue = chptr + 1;
else
envValue = NULL;
}
}
return 0;
}
