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-rw-r--r--expac.c231
1 files changed, 142 insertions, 89 deletions
diff --git a/expac.c b/expac.c
index cc806ac..87fe2ff 100644
--- a/expac.c
+++ b/expac.c
@@ -66,16 +66,19 @@ int opt_pkgcounter = 0;
typedef const char *(*extractfn)(void*);
-static int is_valid_size_unit(char *u) {
+static int is_valid_size_unit(char *u)
+{
return u[0] != '\0' && u[1] == '\0' &&
memchr(SIZE_TOKENS, *u, strlen(SIZE_TOKENS)) != NULL;
}
-static const char *alpm_backup_get_name(alpm_backup_t *bkup) {
+static const char *alpm_backup_get_name(alpm_backup_t *bkup)
+{
return bkup->name;
}
-static double humanize_size(off_t bytes, const char target_unit, const char **label)
+static double humanize_size(off_t bytes, const char target_unit,
+ const char **label)
{
static const char *labels[] = {"B", "KiB", "MiB", "GiB",
"TiB", "PiB", "EiB", "ZiB", "YiB"};
@@ -100,7 +103,8 @@ static double humanize_size(off_t bytes, const char target_unit, const char **la
return val;
}
-static char *size_to_string(off_t pkgsize) {
+static char *size_to_string(off_t pkgsize)
+{
static char out[64];
if(opt_humansize == 'B') {
@@ -112,21 +116,22 @@ static char *size_to_string(off_t pkgsize) {
return out;
}
-static char *format_optdep(alpm_depend_t *optdep) {
- char *out;
+static char *format_optdep(alpm_depend_t *optdep)
+{
+ char *out = NULL;
- if (asprintf(&out, "%s: %s", optdep->name, optdep->desc) < 0) {
- return NULL;
- }
+ asprintf(&out, "%s: %s", optdep->name, optdep->desc);
return out;
}
-static const char *alpm_dep_get_name(void *dep) {
- return ((alpm_depend_t*)dep)->name;
+static const char *alpm_dep_get_name(alpm_depend_t *dep)
+{
+ return dep->name;
}
-static void usage(void) {
+static void usage(void)
+{
fprintf(stderr, "expac %s\n"
"Usage: expac [options] <format> target...\n\n", VERSION);
fprintf(stderr,
@@ -147,7 +152,8 @@ static void usage(void) {
"For more details see expac(1).\n");
}
-static int parse_options(int *argc, char **argv[]) {
+static int parse_options(int *argc, char **argv[])
+{
static struct option opts[] = {
{"readone", no_argument, 0, '1'},
{"delim", required_argument, 0, 'd'},
@@ -165,12 +171,13 @@ static int parse_options(int *argc, char **argv[]) {
{0, 0, 0, 0}
};
- for (;;) {
+ for(;;) {
int opt;
opt = getopt_long(*argc, *argv, "1l:d:gH:hf:pQSst:v", opts, NULL);
- if (opt < 0)
+ if(opt < 0) {
break;
+ }
switch (opt) {
case 'S':
@@ -192,7 +199,7 @@ static int parse_options(int *argc, char **argv[]) {
opt_listdelim = optarg;
break;
case 'H':
- if (!is_valid_size_unit(optarg)) {
+ if(!is_valid_size_unit(optarg)) {
fprintf(stderr, "error: invalid SI size formatter: %s\n", optarg);
return 1;
}
@@ -224,9 +231,9 @@ static int parse_options(int *argc, char **argv[]) {
}
}
- if (optind < *argc)
+ if(optind < *argc) {
opt_format = (*argv)[optind++];
- else {
+ } else {
fprintf(stderr, "error: missing format string (use -h for help)\n");
return -EINVAL;
}
@@ -237,12 +244,13 @@ static int parse_options(int *argc, char **argv[]) {
return 0;
}
-static int print_escaped(const char *delim) {
+static int print_escaped(const char *delim)
+{
const char *f;
int out = 0;
- for (f = delim; *f != '\0'; f++) {
- if (*f == '\\') {
+ for(f = delim; *f != '\0'; f++) {
+ if(*f == '\\') {
switch (*++f) {
case '\\':
fputc('\\', stdout);
@@ -288,27 +296,28 @@ static int print_escaped(const char *delim) {
return out;
}
-static int print_list(alpm_list_t *list, extractfn fn) {
+static int print_list(alpm_list_t *list, extractfn fn)
+{
alpm_list_t *i;
int out = 0;
- if (!list) {
- if (opt_verbose) {
+ if(!list) {
+ if(opt_verbose) {
out += printf("None");
}
return out;
}
i = list;
- while (1) {
- char *item = (char*)(fn ? fn(i->data) : i->data);
- if (item == NULL) {
+ for(;;) {
+ const char *item = fn ? fn(i->data) : i->data;
+ if(item == NULL) {
continue;
}
out += printf("%s", item);
- if ((i = alpm_list_next(i))) {
+ if((i = i->next)) {
out += print_escaped(opt_listdelim);
} else {
break;
@@ -318,7 +327,8 @@ static int print_list(alpm_list_t *list, extractfn fn) {
return out;
}
-static int print_allocated_list(alpm_list_t *list, extractfn fn) {
+static int print_allocated_list(alpm_list_t *list, extractfn fn)
+{
int out = print_list(list, fn);
alpm_list_free(list);
return out;
@@ -328,9 +338,10 @@ static int print_time(time_t timestamp) {
char buffer[64];
int out = 0;
- if (!timestamp) {
- if (opt_verbose)
+ if(!timestamp) {
+ if(opt_verbose) {
out += printf("None");
+ }
return out;
}
@@ -341,11 +352,12 @@ static int print_time(time_t timestamp) {
return out;
}
-static int print_filelist(alpm_filelist_t *filelist) {
+static int print_filelist(alpm_filelist_t *filelist)
+{
int out = 0;
size_t i;
- for (i = 0; i < filelist->count; i++) {
+ for(i = 0; i < filelist->count; i++) {
out += printf("%s", (filelist->files + i)->name);
out += print_escaped(opt_listdelim);
}
@@ -353,7 +365,8 @@ static int print_filelist(alpm_filelist_t *filelist) {
return out;
}
-static bool backup_file_is_modified(const alpm_backup_t *backup_file) {
+static bool backup_file_is_modified(const alpm_backup_t *backup_file)
+{
char fullpath[PATH_MAX];
_cleanup_free_ char *md5sum = NULL;
bool modified;
@@ -371,7 +384,8 @@ static bool backup_file_is_modified(const alpm_backup_t *backup_file) {
return modified;
}
-static alpm_list_t *get_modified_files(alpm_pkg_t *pkg) {
+static alpm_list_t *get_modified_files(alpm_pkg_t *pkg)
+{
alpm_list_t *i, *modified_files = NULL;
for(i = alpm_pkg_get_backup(pkg); i; i = i->next) {
@@ -384,7 +398,8 @@ static alpm_list_t *get_modified_files(alpm_pkg_t *pkg) {
return modified_files;
}
-static alpm_list_t *get_validation_method(alpm_pkg_t *pkg) {
+static alpm_list_t *get_validation_method(alpm_pkg_t *pkg)
+{
alpm_list_t *validation = NULL;
alpm_pkgvalidation_t v = alpm_pkg_get_validation(pkg);
@@ -410,14 +425,15 @@ static alpm_list_t *get_validation_method(alpm_pkg_t *pkg) {
return validation;
}
-static void print_pkg(alpm_pkg_t *pkg, const char *format) {
+static void print_pkg(alpm_pkg_t *pkg, const char *format)
+{
const char *f, *end;
int out = 0;
end = format + strlen(format);
- for (f = format; f < end; f++) {
- if (*f == '%') {
+ for(f = format; f < end; f++) {
+ if(*f == '%') {
char fmt[64] = {0};
int l = 1;
@@ -544,7 +560,7 @@ static void print_pkg(alpm_pkg_t *pkg, const char *format) {
out++;
break;
}
- } else if (*f == '\\') {
+ } else if(*f == '\\') {
char esc[3] = { f[0], f[1], '\0' };
out += print_escaped(esc);
++f;
@@ -555,37 +571,41 @@ static void print_pkg(alpm_pkg_t *pkg, const char *format) {
}
/* only print a delimeter if any package data was outputted */
- if (out > 0)
+ if(out > 0) {
print_escaped(opt_delim);
+ }
}
-static alpm_list_t *all_packages(alpm_list_t *dbs) {
+static alpm_list_t *all_packages(alpm_list_t *dbs)
+{
alpm_list_t *i, *packages = NULL;
- for (i = dbs; i; i = i->next) {
+ for(i = dbs; i; i = i->next) {
packages = alpm_list_join(packages, alpm_list_copy(alpm_db_get_pkgcache(i->data)));
}
return packages;
}
-static alpm_list_t *search_packages(alpm_list_t *dbs, alpm_list_t *targets) {
+static alpm_list_t *search_packages(alpm_list_t *dbs, alpm_list_t *targets)
+{
alpm_list_t *i, *packages = NULL;
- for (i = dbs; i; i = i->next) {
+ for(i = dbs; i; i = i->next) {
packages = alpm_list_join(packages, alpm_db_search(i->data, targets));
}
return packages;
}
-static alpm_list_t *search_groups(alpm_list_t *dbs, alpm_list_t *groupnames) {
+static alpm_list_t *search_groups(alpm_list_t *dbs, alpm_list_t *groupnames)
+{
alpm_list_t *i, *j, *packages = NULL;
- for (i = groupnames; i; i = i->next) {
- for (j = dbs; j; j = j->next) {
+ for(i = groupnames; i; i = i->next) {
+ for(j = dbs; j; j = j->next) {
alpm_group_t *grp = alpm_db_get_group(j->data, i->data);
- if (grp != NULL) {
+ if(grp != NULL) {
packages = alpm_list_join(packages, alpm_list_copy(grp->packages));
}
}
@@ -594,66 +614,79 @@ static alpm_list_t *search_groups(alpm_list_t *dbs, alpm_list_t *groupnames) {
return packages;
}
-static alpm_list_t *search_exact(alpm_list_t *dblist, alpm_list_t *targets) {
+static alpm_list_t *search_exact(alpm_list_t *dblist, alpm_list_t *targets)
+{
char *pkgname, *reponame;
alpm_list_t *results = NULL;
/* resolve each target individually from the repo pool */
- for (alpm_list_t *t = targets; t; t = t->next) {
+ for(alpm_list_t *t = targets; t; t = t->next) {
alpm_pkg_t *pkg = NULL;
alpm_list_t *r;
int found = 0;
pkgname = reponame = t->data;
- if (strchr(pkgname, '/'))
+ if(strchr(pkgname, '/')) {
strsep(&pkgname, "/");
- else
+ } else {
reponame = NULL;
+ }
- for (r = dblist; r; r = r->next) {
+ for(r = dblist; r; r = r->next) {
alpm_db_t *repo = r->data;
- if (reponame && strcmp(reponame, alpm_db_get_name(repo)) != 0)
+ if(reponame && strcmp(reponame, alpm_db_get_name(repo)) != 0) {
continue;
+ }
pkg = alpm_db_get_pkg(repo, pkgname);
- if (pkg == NULL)
+ if(pkg == NULL) {
continue;
+ }
found = 1;
results = alpm_list_add(results, pkg);
- if (opt_readone)
+ if(opt_readone) {
break;
+ }
}
- if (!found && opt_verbose)
+ if(!found && opt_verbose) {
fprintf(stderr, "error: package `%s' not found\n", pkgname);
+ }
}
return results;
}
-static alpm_list_t *resolve_targets(alpm_list_t *dblist, alpm_list_t *targets) {
- if (targets == NULL)
+static alpm_list_t *resolve_targets(alpm_list_t *dblist, alpm_list_t *targets)
+{
+ if(targets == NULL) {
return all_packages(dblist);
+ }
- if (opt_what == SEARCH_REGEX)
+ if(opt_what == SEARCH_REGEX) {
return search_packages(dblist, targets);
+ }
- if (opt_what == SEARCH_GROUPS)
+ if(opt_what == SEARCH_GROUPS) {
return search_groups(dblist, targets);
+ }
return search_exact(dblist, targets);
}
-static void expac_free(expac_t *expac) {
- if (expac == NULL)
+static void expac_free(expac_t *expac)
+{
+ if(expac == NULL) {
return;
+ }
alpm_release(expac->alpm);
}
-static int expac_new(expac_t **expac, const char *config_file) {
+static int expac_new(expac_t **expac, const char *config_file)
+{
expac_t *e;
enum _alpm_errno_t alpm_errno = 0;
config_t config;
@@ -662,27 +695,33 @@ static int expac_new(expac_t **expac, const char *config_file) {
int r;
e = calloc(1, sizeof(*e));
- if (e == NULL)
+ if(e == NULL) {
return -ENOMEM;
+ }
memset(&config, 0, sizeof(config));
r = config_parse(&config, config_file);
- if (r < 0)
+ if(r < 0) {
return r;
+ }
- if (config.dbpath)
+ if(config.dbpath) {
dbpath = config.dbpath;
+ }
- if (config.dbroot)
+ if(config.dbroot) {
dbroot = config.dbroot;
+ }
e->alpm = alpm_initialize(dbroot, dbpath, &alpm_errno);
- if (!e->alpm)
+ if(!e->alpm) {
return -alpm_errno;
+ }
- for (int i = 0; i < config.size; ++i)
+ for(int i = 0; i < config.size; ++i) {
alpm_register_syncdb(e->alpm, config.repos[i], 0);
+ }
config_reset(&config);
@@ -691,14 +730,15 @@ static int expac_new(expac_t **expac, const char *config_file) {
return 0;
}
-static alpm_list_t *expac_search_files(expac_t *expac, alpm_list_t *targets) {
+static alpm_list_t *expac_search_files(expac_t *expac, alpm_list_t *targets)
+{
alpm_list_t *i, *r = NULL;
- for (i = targets; i; i = i->next) {
+ for(i = targets; i; i = i->next) {
const char *path = i->data;
alpm_pkg_t *pkg;
- if (alpm_pkg_load(expac->alpm, path, 0, 0, &pkg) != 0) {
+ if(alpm_pkg_load(expac->alpm, path, 0, 0, &pkg) != 0) {
fprintf(stderr, "error: %s: %s\n", path,
alpm_strerror(alpm_errno(expac->alpm)));
continue;
@@ -710,7 +750,8 @@ static alpm_list_t *expac_search_files(expac_t *expac, alpm_list_t *targets) {
return r;
}
-static alpm_list_t *expac_search_local(expac_t *expac, alpm_list_t *targets) {
+static alpm_list_t *expac_search_local(expac_t *expac, alpm_list_t *targets)
+{
alpm_list_t *dblist, *r;
dblist = alpm_list_add(NULL, alpm_get_localdb(expac->alpm));
@@ -720,11 +761,13 @@ static alpm_list_t *expac_search_local(expac_t *expac, alpm_list_t *targets) {
return r;
}
-static alpm_list_t *expac_search_sync(expac_t *expac, alpm_list_t *targets) {
+static alpm_list_t *expac_search_sync(expac_t *expac, alpm_list_t *targets)
+{
return resolve_targets(alpm_get_syncdbs(expac->alpm), targets);
}
-static alpm_list_t *expac_search(expac_t *expac, package_corpus_t corpus, alpm_list_t *targets) {
+static alpm_list_t *expac_search(expac_t *expac, package_corpus_t corpus, alpm_list_t *targets)
+{
switch (corpus) {
case CORPUS_LOCAL:
return expac_search_local(expac, targets);
@@ -738,7 +781,8 @@ static alpm_list_t *expac_search(expac_t *expac, package_corpus_t corpus, alpm_l
return NULL;
}
-static int read_targets_from_file(FILE *in, alpm_list_t **targets) {
+static int read_targets_from_file(FILE *in, alpm_list_t **targets)
+{
char line[BUFSIZ];
int i = 0, end = 0;
while(!end) {
@@ -767,51 +811,60 @@ static int read_targets_from_file(FILE *in, alpm_list_t **targets) {
return 0;
}
-static alpm_list_t *process_targets(int argc, char **argv) {
+static alpm_list_t *process_targets(int argc, char **argv)
+{
alpm_list_t *r = NULL;
int allow_stdin;
allow_stdin = !isatty(STDIN_FILENO);
- for (int i = 0; i < argc; ++i) {
- if (allow_stdin && strcmp(argv[i], "-") == 0) {
+ for(int i = 0; i < argc; ++i) {
+ if(allow_stdin && strcmp(argv[i], "-") == 0) {
int k;
k = read_targets_from_file(stdin, &r);
- if (k < 0)
+ if(k < 0) {
return NULL;
+ }
allow_stdin = 0;
- } else
+ } else {
r = alpm_list_add(r, strdup(argv[i]));
+ }
}
return r;
}
-int main(int argc, char *argv[]) {
+int main(int argc, char *argv[])
+{
alpm_list_t *results = NULL, *targets = NULL;
expac_t *expac;
int r;
r = parse_options(&argc, &argv);
- if (r < 0)
+ if(r < 0) {
return 1;
+ }
targets = process_targets(argc, argv);
- if (targets == NULL)
+ if(targets == NULL) {
return 1;
+ }
r = expac_new(&expac, opt_config_file);
- if (r < 0)
+ if(r < 0) {
return 1;
+ }
results = expac_search(expac, opt_corpus, targets);
- if (results == NULL)
+ if(results == NULL) {
return 1;
+ }
- for (alpm_list_t *i = results; i; i = i->next)
+ for(alpm_list_t *i = results; i; i = i->next) {
print_pkg(i->data, opt_format);
+ }
alpm_list_free_inner(targets, free);
alpm_list_free(targets);