/*
* Scan options passed to program.
*
* Note that the -B/-M/-S options expect a list of directory
* names that must be terminated with -f.
*/
void
scanopts(int argc, char **argv)
{
int c, i;
ccharp **dirlist;
while ((c = getopt(argc, argv, "BMSabfmqsux")) != -1)
switch (c) {
case 'B':
dirlist = &bindirs;
goto dolist;
case 'M':
dirlist = &mandirs;
goto dolist;
case 'S':
dirlist = &sourcedirs;
dolist:
i = 0;
*dirlist = realloc(*dirlist, (i + 1) * sizeof(char *));
(*dirlist)[i] = NULL;
while (optind < argc &&
strcmp(argv[optind], "-f") != 0 &&
strcmp(argv[optind], "-B") != 0 &&
strcmp(argv[optind], "-M") != 0 &&
strcmp(argv[optind], "-S") != 0) {
decolonify(argv[optind], dirlist, &i);
optind++;
}
break;
case 'a':
opt_a = 1;
break;
case 'b':
opt_b = 1;
break;
case 'f':
goto breakout;
case 'm':
opt_m = 1;
break;
case 'q':
opt_q = 1;
break;
case 's':
opt_s = 1;
break;
case 'u':
opt_u = 1;
break;
case 'x':
opt_x = 1;
break;
default:
usage();
}
breakout:
if (optind == argc)
usage();
query = argv + optind;
}
/*
* Provide defaults for all options and directory lists.
*/
void
defaults(void)
{
size_t s;
char *b, buf[BUFSIZ], *cp;
int nele;
FILE *p;
DIR *dir;
struct stat sb;
struct dirent *dirp;
/* default to -bms if none has been specified */
if (!opt_b && !opt_m && !opt_s)
opt_b = opt_m = opt_s = 1;
/* -b defaults to default path + /usr/libexec +
* /usr/games + user's path */
if (!bindirs) {
if (sysctlbyname("user.cs_path", NULL, &s, NULL, 0) == -1)
err(EX_OSERR, "sysctlbyname(\"user.cs_path\")");
if ((b = malloc(s + 1)) == NULL)
abort();
if (sysctlbyname("user.cs_path", b, &s, NULL, 0) == -1)
err(EX_OSERR, "sysctlbyname(\"user.cs_path\")");
nele = 0;
decolonify(b, &bindirs, &nele);
bindirs = realloc(bindirs, (nele + 3) * sizeof(char *));
if (bindirs == NULL)
abort();
bindirs[nele++] = PATH_LIBEXEC;
bindirs[nele++] = PATH_GAMES;
bindirs[nele] = NULL;
if ((cp = getenv("PATH")) != NULL) {
/* don't destroy the original environment... */
if ((b = malloc(strlen(cp) + 1)) == NULL)
abort();
strcpy(b, cp);
decolonify(b, &bindirs, &nele);
}
}
/* -m defaults to $(manpath) */
if (!mandirs) {
if ((p = popen(MANPATHCMD, "r")) == NULL)
err(EX_OSERR, "cannot execute manpath command");
if (fgets(buf, BUFSIZ - 1, p) == NULL ||
pclose(p))
err(EX_OSERR, "error processing manpath results");
if ((b = strchr(buf, '\n')) != NULL)
*b = '\0';
if ((b = malloc(strlen(buf) + 1)) == NULL)
abort();
strcpy(b, buf);
nele = 0;
decolonify(b, &mandirs, &nele);
}
/* -s defaults to precompiled list, plus subdirs of /usr/dports */
if (!sourcedirs) {
if ((b = malloc(strlen(sourcepath) + 1)) == NULL)
abort();
strcpy(b, sourcepath);
nele = 0;
decolonify(b, &sourcedirs, &nele);
if (stat(PATH_DPORTS, &sb) == -1) {
if (errno != ENOENT)
err(EX_OSERR, "stat(" PATH_DPORTS ")");
} else {
if ((sb.st_mode & S_IFMT) != S_IFDIR)
/* /usr/dports is not a directory, ignore */
return;
if (access(PATH_DPORTS, R_OK | X_OK) != 0)
return;
if ((dir = opendir(PATH_DPORTS)) == NULL)
err(EX_OSERR, "opendir" PATH_DPORTS ")");
while ((dirp = readdir(dir)) != NULL) {
if (dirp->d_name[0] == '.')
/* ignore dot entries */
continue;
b = malloc(sizeof PATH_DPORTS + 1 +
dirp->d_namlen);
if (b == NULL)
abort();
strcpy(b, PATH_DPORTS);
strcat(b, "/");
strcat(b, dirp->d_name);
if (stat(b, &sb) == -1 ||
(sb.st_mode & S_IFMT) != S_IFDIR ||
access(b, R_OK | X_OK) != 0) {
free(b);
continue;
}
sourcedirs = realloc(sourcedirs,
(nele + 2) * sizeof(char *));
if (sourcedirs == NULL)
abort();
sourcedirs[nele++] = b;
sourcedirs[nele] = NULL;
}
closedir(dir);
}
}
}
/*
* Provide defaults for all options and directory lists.
*/
static void
defaults(void)
{
size_t s;
char *b, buf[BUFSIZ], *cp;
int nele;
FILE *p;
DIR *dir;
struct stat sb;
struct dirent *dirp;
/* default to -bms if none has been specified */
if (!opt_b && !opt_m && !opt_s)
opt_b = opt_m = opt_s = 1;
/* -b defaults to default path + /usr/libexec +
* /usr/games + user's path */
if (!bindirs) {
if (sysctlbyname("user.cs_path", (void *)NULL, &s,
(void *)NULL, 0) == -1)
err(EX_OSERR, "sysctlbyname(\"user.cs_path\")");
if ((b = malloc(s + 1)) == NULL)
abort();
if (sysctlbyname("user.cs_path", b, &s, (void *)NULL, 0) == -1)
err(EX_OSERR, "sysctlbyname(\"user.cs_path\")");
nele = 0;
decolonify(b, &bindirs, &nele);
bindirs = realloc(bindirs, (nele + 3) * sizeof(char *));
if (bindirs == NULL)
abort();
bindirs[nele++] = PATH_LIBEXEC;
bindirs[nele++] = PATH_GAMES;
bindirs[nele] = NULL;
if ((cp = getenv("PATH")) != NULL) {
/* don't destroy the original environment... */
if ((b = malloc(strlen(cp) + 1)) == NULL)
abort();
strcpy(b, cp);
decolonify(b, &bindirs, &nele);
}
}
/* -m defaults to $(manpath) */
if (!mandirs) {
if ((p = popen(MANPATHCMD, "r")) == NULL)
err(EX_OSERR, "cannot execute manpath command");
if (fgets(buf, BUFSIZ - 1, p) == NULL ||
pclose(p))
err(EX_OSERR, "error processing manpath results");
if ((b = strchr(buf, '\n')) != NULL)
*b = '\0';
if ((b = malloc(strlen(buf) + 1)) == NULL)
abort();
strcpy(b, buf);
nele = 0;
decolonify(b, &mandirs, &nele);
}
/* -s defaults to precompiled list, plus subdirs of /usr/ports */
if (!sourcedirs) {
if ((b = malloc(strlen(sourcepath) + 1)) == NULL)
abort();
strcpy(b, sourcepath);
nele = 0;
decolonify(b, &sourcedirs, &nele);
if (stat(PATH_PORTS, &sb) == -1) {
if (errno == ENOENT)
/* no /usr/ports, we are done */
return;
err(EX_OSERR, "stat(" PATH_PORTS ")");
}
if ((sb.st_mode & S_IFMT) != S_IFDIR)
/* /usr/ports is not a directory, ignore */
return;
if (access(PATH_PORTS, R_OK | X_OK) != 0)
return;
if ((dir = opendir(PATH_PORTS)) == NULL)
err(EX_OSERR, "opendir" PATH_PORTS ")");
while ((dirp = readdir(dir)) != NULL) {
/*
* Not everything below PATH_PORTS is of
* interest. First, all dot files and
* directories (e. g. .snap) can be ignored.
* Also, all subdirectories starting with a
* capital letter are not going to be
* examined, as they are used for internal
* purposes (Mk, Tools, ...). This also
* matches a possible CVS subdirectory.
* Finally, the distfiles subdirectory is also
* special, and should not be considered to
* avoid false matches.
*/
if (dirp->d_name[0] == '.' ||
/*
* isupper() not used on purpose: the
* check is supposed to default to the C
* locale instead of the current user's
* locale.
*/
(dirp->d_name[0] >= 'A' && dirp->d_name[0] <= 'Z') ||
strcmp(dirp->d_name, "distfiles") == 0)
continue;
if ((b = malloc(sizeof PATH_PORTS + 1 + dirp->d_namlen))
== NULL)
abort();
strcpy(b, PATH_PORTS);
strcat(b, "/");
strcat(b, dirp->d_name);
if (stat(b, &sb) == -1 ||
(sb.st_mode & S_IFMT) != S_IFDIR ||
access(b, R_OK | X_OK) != 0) {
free(b);
continue;
}
sourcedirs = realloc(sourcedirs,
(nele + 2) * sizeof(char *));
if (sourcedirs == NULL)
abort();
sourcedirs[nele++] = b;
sourcedirs[nele] = NULL;
}
closedir(dir);
}
}
