nkiss

commit 8d7ebeb64ea675995c767d1a9f24ac547b5e5c31
parent 11ba69309fc7f694dba7b861bf6f3f2c48eed68b
Author: Nihal Jere <nihal@nihaljere.xyz>
Date:   Wed, 17 Feb 2021 10:47:18 -0600

kiss.c: add kiss_list_all

Diffstat:
A
Makefile
 | 
2
++
M
kiss.c
 | 
44
++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/Makefile b/Makefile
@@ -0,0 +1,2 @@
+all:
+	gcc -Werror kiss.c pkg.c util.c
diff --git a/kiss.c b/kiss.c
@@ -1,10 +1,50 @@
+#include <dirent.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 
+#include "pkg.h"
 #include "util.h"
 
 char *argv0;
 
+void
+kiss_list_all()
+{
+    DIR *db;
+    char pkgs[1024][64];
+    char ver[256];
+
+    if ((db = opendir(KISS_INSTALLED)) == NULL)
+        die("couldn't open package database:");
+
+    int pkgcount = 0;
+    for (struct dirent *pkg = readdir(db); pkg != NULL; pkg = readdir(db)) {
+        if (pkg->d_type != DT_DIR || pkg->d_name[0] == '.')
+            continue;
+
+        if (strlen(pkg->d_name) >= 64) {
+            closedir(db);
+            die("kiss_list: '%s' is too long of a package name", pkg->d_name);
+        }
+
+        strcpy(pkgs[pkgcount], pkg->d_name);
+
+        pkgcount++;
+        if (pkgcount > 1024) {
+            closedir(db);
+            die("kiss_list: too many packages to list!");
+        }
+    }
+
+    qsort(pkgs, pkgcount, LEN(pkgs[0]), vstrcmp);
+
+    for (int i = 0; i < pkgcount; i++) {
+        pkg_version(KISS_INSTALLED, pkgs[i], ver);
+        printf("%s %s", pkgs[i], ver);
+    }
+}
+
 int main(int argc, char *argv[])
 {
     char *kiss_path;
@@ -13,4 +53,8 @@ int main(int argc, char *argv[])
     if ((kiss_path = getenv("KISS_PATH")) == NULL)
         die("KISS_PATH unset.");
     puts(kiss_path);
+
+    if (strcmp(argv[1], "list") == 0) {
+        kiss_list_all();
+    }
 }