summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorLieuwe Rooijakkers <lieuwerooijakkers@gmail.com>2024-08-12 18:09:45 +0200
committerLieuwe Rooijakkers <lieuwerooijakkers@gmail.com>2024-08-12 18:09:45 +0200
commit8fe4e60fac443ea285c31b6fa3c4e8f913cceb57 (patch)
tree69a870df12dd21dfd07a5fe29a19f5ea596cb560 /src
parent5fb142af286de4013891ffb40d5bba070c2963c1 (diff)
vind
Diffstat (limited to 'src')
-rw-r--r--src/vind.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/src/vind.c b/src/vind.c
new file mode 100644
index 0000000..445613f
--- /dev/null
+++ b/src/vind.c
@@ -0,0 +1,134 @@
+#include <assert.h>
+#include <ftw.h>
+#include <getopt.h>
+#include <limits.h>
+#include <pwd.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "util/versie.h"
+
+int ftmap = 0;
+int max_depth = -1;
+
+ssize_t min_size = 0;
+ssize_t max_size = SSIZE_MAX;
+
+static void usage(FILE *f) {
+ fprintf(f,
+ "Gebruik: vind [-thV] [STARTPUNTEN]...\n"
+ "\n"
+ "TODO\n"
+ "\n"
+ " -t Bestandtypes om weer te geven, kan zijn b(estand), m(apje) of een combinatie gescheiden door komma's\n"
+ " -d Maximale diepte\n"
+ " -o Omvang van n beten (+, - voor meer of minder)\n"
+ " -h Toon deze hulptekst\n"
+ " -V Toon versienummer\n");
+}
+
+enum filetype_flags {
+ FT_FILE = 1 << 0,
+ FT_DIR = 1 << 1,
+};
+
+static int parse_filetypes(char *s) {
+ int res = 0;
+
+ char *pat = NULL;
+ while ((pat = strtok(s, "\n")) != NULL) {
+ s = NULL;
+
+ if (!strcmp(pat, "b")) {
+ res |= FT_FILE;
+ } else if (!strcmp(pat, "m")) {
+ res |= FT_DIR;
+ }
+ }
+
+ return res;
+}
+
+// Returns pointer to argument array containing the starting points
+static char** parse_options(int argc, char **argv) {
+ int opt;
+ while ((opt = getopt(argc, argv, "t:d:o:hV")) != -1) {
+ switch (opt) {
+ case 't':
+ ftmap = parse_filetypes(optarg);
+ break;
+
+ case 'd':
+ max_depth = atoi(optarg);
+ break;
+
+ case 'o':
+ if (optarg[0] == '+') {
+ min_size = atoi(optarg + 1);
+ } else if (optarg[0] == '-') {
+ max_size = atoi(optarg + 1);
+ } else {
+ min_size = max_size = atoi(optarg);
+ }
+ break;
+
+ case 'h':
+ usage(stdout);
+ exit(0);
+
+ case 'V':
+ drukkedoos_print_versie(stdout);
+ exit(0);
+
+ case '?':
+ usage(stderr);
+ exit(1);
+ }
+ }
+
+ return argv + optind;
+}
+
+static int f(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf) {
+ bool skip = false;
+ switch (typeflag) {
+ case FTW_F:
+ skip = !(ftmap == 0 || (ftmap & FT_FILE));
+ break;
+ case FTW_D:
+ case FTW_DNR:
+ case FTW_DP:
+ skip = !(ftmap == 0 || (ftmap & FT_DIR));
+ break;
+ }
+
+ if (skip) return 0;
+ if (max_depth >= 0 && ftwbuf->level >= max_depth) return 0;
+
+ if (sb->st_size < min_size) return 0;
+ if (sb->st_size > max_size) return 0;
+
+ puts(fpath);
+ return 0;
+}
+
+int entry_vind(int argc, char **argv) {
+ char **args = parse_options(argc, argv);
+
+ int flags = 0;
+
+ if (*args == NULL) {
+ nftw(".", f, 4096, flags);
+ return 0;
+ }
+
+ for (int i = 0; args[i]; i++) {
+ nftw(args[i], f, 4096, flags);
+ }
+
+ return 0;
+}