build: bump version to 0.9.1

Feat/parse shell version

README.md

@@ -1,12 +1,12 @@
 # Zigfetch
 
-- [Description](#description)
+-   [Description](#description)
-- [Requirements](#requirements)
+-   [Requirements](#requirements)
-- [Installation](#installation)
+-   [Installation](#installation)
-- [Usage](#usage)
+-   [Usage](#usage)
-  - [Configuration](#configuration)
+    -   [Configuration](#configuration)
-- [Roadtrip](#roadtrip)
+-   [Roadtrip](#roadtrip)
-- [Contributing](#contributing)
+-   [Contributing](#contributing)
 
 ## Description
 
@@ -14,7 +14,11 @@ Zigfetch is a minimal [neofetch](https://github.com/dylanaraps/neofetch)/[fastfe
 
 ## Requirements
 
-- [zig v0.14.0](https://ziglang.org/)
+-   \>= [zig v0.14.0](https://ziglang.org/)
+
+### Linux only
+
+-   [libpci](https://github.com/pciutils/pciutils)
 
 ## Installation
 
@@ -43,20 +47,20 @@ $ zigfetch
 > [!IMPORTANT]
 > Currently, Zig does not have a built-in library for JSON validation via JSON schema, so it is very important to follow the pattern shown in the default configuration file ([config.json](https://github.com/utox39/zigfetch/blob/main/config.json)) to avoid errors
 
-- Create the config folder
+-   Create the config folder
 
 ```console
 $ mkdir -p ~/.config/zigfetch
 ```
 
-- Create the config file
+-   Create the config file
 
 ```console
 $ cd ~/.config/zigfetch
 $ touch config.json
 ```
 
-- Or copy the default config (preferred way)
+-   Or copy the default config (preferred way)
 
 ```console
 $ cp /path/to/zigfetch/config.json ~/.config/zigfetch/config.json
@@ -64,11 +68,12 @@ $ cp /path/to/zigfetch/config.json ~/.config/zigfetch/config.json
 
 ## Roadtrip
 
-- [ ] Add ASCII art for each operating system and Linux distro
+-   [ ] Add ASCII art for each operating system and Linux distro
-- [ ] Add GPU info for Linux
+-   [x] Add GPU info for Linux
-- [ ] Add packages info for Linux
+-   [ ] Add packages info for Linux
-- [x] Add user customization
+-   [x] Add user customization
-- [ ] Add support for Windows
+-   [ ] Add support for Windows
 
 ## Contributing
+
 If you would like to contribute to this project just create a pull request which I will try to review as soon as possible.

build.zig

@@ -29,6 +29,7 @@ pub fn build(b: *std.Build) void {
 
     if (target.result.os.tag == .linux) {
         exe.linkLibC();
+        exe.linkSystemLibrary("pci");
     }
 
     // This declares intent for the executable to be installed into the

build.zig.zon

@@ -10,7 +10,7 @@
 
     // This is a [Semantic Version](https://semver.org/).
     // In a future version of Zig it will be used for package deduplication.
-    .version = "0.5.2",
+    .version = "0.9.1",
 
     // Together with name, this represents a globally unique package
     // identifier. This field is generated by the Zig toolchain when the

src/ascii.zig

@@ -1,4 +1,5 @@
 const std = @import("std");
+const utils = @import("./utils.zig");
 
 pub const Reset = "\x1b[0m";
 pub const Bold = "\x1b[1m";
@@ -89,27 +90,42 @@ pub fn printAscii(allocator: std.mem.Allocator, sys_info_list: std.ArrayList([]u
     const ascii_art_items = ascii_art_content_list.items;
     const sys_info_items = sys_info_list.items;
 
+    const terminal_size = try utils.getTerminalSize();
+    const terminal_width: usize = @intCast(terminal_size.width);
+
+    const left_alignment: usize = 45;
+
+    const longest_sys_info_string_len = utils.getLongestSysInfoStringLen(sys_info_items);
+    const can_print_ascii_art: bool = terminal_width > left_alignment + longest_sys_info_string_len;
+
     const ascii_art_len: usize = ascii_art_items.len;
     const sys_info_len: usize = sys_info_items.len;
-    const max_len: usize = if (ascii_art_len > sys_info_len) ascii_art_len else sys_info_len;
+
+    // NOTE: sys_info_len + 3 to be able to print the colors
+    const max_len: usize = if ((ascii_art_len > sys_info_len) and can_print_ascii_art) ascii_art_len else sys_info_len + 3;
 
     var i: usize = 0;
     while (i < max_len) : (i += 1) {
-        if (i < ascii_art_len) {
+        // Print the ascii art if the width of the terminal is greater than the left alignment (45) + the longest sys info string length
-            try stdout.print("{s:<40} \t", .{ascii_art_items[i]});
+        if (can_print_ascii_art) {
-        } else {
+            if (i < ascii_art_len) {
-            try stdout.print("{s:<40}", .{""});
+                try stdout.print("{s:<45}", .{ascii_art_items[i]});
+            } else {
+                try stdout.print("{s:<45}", .{""});
+            }
+            try bw.flush();
         }
-        try bw.flush();
 
         if (i < sys_info_len) {
             try stdout.print("{s}\n", .{sys_info_items[i]});
         } else if (i == sys_info_len + 1) {
+            // Print the first row of colors
             for (0..8) |j| {
                 try stdout.print("\x1b[48;5;{d}m  \x1b[0m", .{j});
             }
             try stdout.print("\n", .{});
         } else if (i == sys_info_len + 2) {
+            // Print the second row of colors
             for (8..16) |j| {
                 try stdout.print("\x1b[48;5;{d}m  \x1b[0m", .{j});
             }

src/config.zig

@@ -23,9 +23,9 @@ pub const ModuleType = enum {
     ram,
     swap,
     disk,
+    net,
     terminal,
     locale,
-    net, // It must always be the last element of this array
 };
 
 pub fn getModulesTypes(allocator: std.mem.Allocator, config: ?std.json.Parsed(Config)) !std.ArrayList(ModuleType) {

src/formatters.zig

@@ -3,7 +3,12 @@ const std = @import("std");
 const ascii = @import("ascii.zig");
 const detection = @import("detection.zig").os_module;
 
-pub const formatters = [_]*const fn (allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) anyerror![]u8{
+const Result = union(enum) {
+    string: []u8,
+    string_arraylist: std.ArrayList([]u8),
+};
+
+pub const formatters = [_]*const fn (allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) anyerror!Result{
     &getFormattedOsInfo,
     &getFormattedKernelInfo,
     &getFormattedUptimeInfo,
@@ -14,11 +19,12 @@ pub const formatters = [_]*const fn (allocator: std.mem.Allocator, key: []const
     &getFormattedRamInfo,
     &getFormattedSwapInfo,
     &getFormattedDiskInfo,
+    &getFormattedNetInfo,
     &getFormattedTerminalNameInfo,
     &getFormattedLocaleInfo,
 };
 
-pub const default_formatters = [_]*const fn (allocator: std.mem.Allocator) anyerror![]u8{
+pub const default_formatters = [_]*const fn (allocator: std.mem.Allocator) anyerror!Result{
     &getDefaultFormattedOsInfo,
     &getDefaultFormattedKernelInfo,
     &getDefaultFormattedUptimeInfo,
@@ -29,145 +35,166 @@ pub const default_formatters = [_]*const fn (allocator: std.mem.Allocator) anyer
     &getDefaultFormattedRamInfo,
     &getDefaultFormattedSwapInfo,
     &getDefaultFormattedDiskInfo,
+    &getDefaultFormattedNetInfo,
     &getDefaultFormattedTerminalNameInfo,
     &getDefaultFormattedLocaleInfo,
 };
 
-pub fn getDefaultFormattedKernelInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedKernelInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedKernelInfo(allocator, "Kernel", ascii.Yellow);
 }
 
-pub fn getFormattedKernelInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedKernelInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const kernel_info = try detection.system.getKernelInfo(allocator);
     defer allocator.free(kernel_info.kernel_name);
     defer allocator.free(kernel_info.kernel_release);
 
-    return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s} {s}", .{ key_color, key, ascii.Reset, kernel_info.kernel_name, kernel_info.kernel_release });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s} {s}", .{ key_color, key, ascii.Reset, kernel_info.kernel_name, kernel_info.kernel_release }) };
 }
 
-pub fn getDefaultFormattedOsInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedOsInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedOsInfo(allocator, "OS", ascii.Yellow);
 }
 
-pub fn getFormattedOsInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedOsInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const os_info = try detection.system.getOsInfo(allocator);
     defer allocator.free(os_info);
-    return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, os_info });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, os_info }) };
 }
 
-pub fn getDefaultFormattedLocaleInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedLocaleInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedLocaleInfo(allocator, "Locale", ascii.Yellow);
 }
 
-pub fn getFormattedLocaleInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedLocaleInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const locale = try detection.system.getLocale(allocator);
     defer allocator.free(locale);
-    return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, locale });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, locale }) };
 }
 
-pub fn getDefaultFormattedUptimeInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedUptimeInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedUptimeInfo(allocator, "Uptime", ascii.Yellow);
 }
 
-pub fn getFormattedUptimeInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedUptimeInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const uptime = try detection.system.getSystemUptime();
-    return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {} days, {} hours, {} minutes ", .{ key_color, key, ascii.Reset, uptime.days, uptime.hours, uptime.minutes });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {} days, {} hours, {} minutes", .{ key_color, key, ascii.Reset, uptime.days, uptime.hours, uptime.minutes }) };
 }
 
-pub fn getDefaultFormattedPackagesInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedPackagesInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedPackagesInfo(allocator, "Packages", ascii.Yellow);
 }
 
-pub fn getFormattedPackagesInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedPackagesInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     if (builtin.os.tag == .macos) {
         const packages_info = try detection.packages.getPackagesInfo(allocator);
         defer allocator.free(packages_info);
-        return try std.fmt.allocPrint(allocator, "{s}{s}:{s}{s}", .{ key_color, key, ascii.Reset, packages_info });
+        return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s}{s}", .{ key_color, key, ascii.Reset, packages_info }) };
     } else if (builtin.os.tag == .linux) {
-        return try std.fmt.allocPrint(allocator, "{s}{s}:{s} WIP", .{ key_color, key, ascii.Reset });
+        return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} WIP", .{ key_color, key, ascii.Reset }) };
     }
 }
 
-pub fn getDefaultFormattedShellInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedShellInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedShellInfo(allocator, "Shell", ascii.Yellow);
 }
 
-pub fn getFormattedShellInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedShellInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const shell = try detection.user.getShell(allocator);
     defer allocator.free(shell);
-    return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, shell[0..(shell.len - 1)] });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, shell[0..(shell.len - 1)] }) };
 }
 
-pub fn getDefaultFormattedCpuInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedCpuInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedCpuInfo(allocator, "Cpu", ascii.Yellow);
 }
 
-pub fn getFormattedCpuInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedCpuInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const cpu_info = try detection.hardware.getCpuInfo(allocator);
     defer allocator.free(cpu_info.cpu_name);
-    return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s} ({}) @ {d:.2} GHz", .{ key_color, key, ascii.Reset, cpu_info.cpu_name, cpu_info.cpu_cores, cpu_info.cpu_max_freq });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s} ({}) @ {d:.2} GHz", .{ key_color, key, ascii.Reset, cpu_info.cpu_name, cpu_info.cpu_cores, cpu_info.cpu_max_freq }) };
 }
 
-pub fn getDefaultFormattedGpuInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedGpuInfo(allocator: std.mem.Allocator) !Result {
-    return try getFormattedGpuInfo(allocator, "Gpu", ascii.Yellow);
+    if (builtin.os.tag == .macos) {
+        return try getFormattedGpuInfo(allocator, "Gpu", ascii.Yellow);
+    } else if (builtin.os.tag == .linux) {
+        return try getFormattedGpuInfo(allocator, "Gpu", ascii.Yellow);
+    }
 }
 
-pub fn getFormattedGpuInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedGpuInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     if (builtin.os.tag == .macos) {
         const gpu_info = try detection.hardware.getGpuInfo(allocator);
         defer allocator.free(gpu_info.gpu_name);
-        return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s} ({}) @ {d:.2} GHz", .{ key_color, key, ascii.Reset, gpu_info.gpu_name, gpu_info.gpu_cores, gpu_info.gpu_freq });
+        return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s} ({}) @ {d:.2} GHz", .{ key_color, key, ascii.Reset, gpu_info.gpu_name, gpu_info.gpu_cores, gpu_info.gpu_freq }) };
     } else if (builtin.os.tag == .linux) {
-        return try std.fmt.allocPrint(allocator, "{s}{s}:{s} WIP", .{ key_color, key, ascii.Reset });
+        var formatted_gpu_info_list = std.ArrayList([]u8).init(allocator);
+
+        const gpu_info_list = try detection.hardware.getGpuInfo(allocator);
+
+        for (gpu_info_list.items) |g| {
+            var formatted_gpu_info: []u8 = undefined;
+            if ((g.gpu_cores == 0) or (g.gpu_freq == 0.0)) {
+                formatted_gpu_info = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, g.gpu_name });
+            } else {
+                formatted_gpu_info = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s} ({}) @ {d:.2} GHz", .{ key_color, key, ascii.Reset, g.gpu_name, g.gpu_cores, g.gpu_freq });
+            }
+            try formatted_gpu_info_list.append(formatted_gpu_info);
+            allocator.free(g.gpu_name);
+        }
+        gpu_info_list.deinit();
+
+        return Result{ .string_arraylist = formatted_gpu_info_list };
     }
 }
 
-pub fn getDefaultFormattedRamInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedRamInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedRamInfo(allocator, "Ram", ascii.Yellow);
 }
 
-pub fn getFormattedRamInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedRamInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const ram_info = if (builtin.os.tag == .macos) try detection.hardware.getRamInfo() else if (builtin.os.tag == .linux) try detection.hardware.getRamInfo(allocator);
-    return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {d:.2} / {d:.2} GiB ({}%)", .{ key_color, key, ascii.Reset, ram_info.ram_usage, ram_info.ram_size, ram_info.ram_usage_percentage });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {d:.2} / {d:.2} GiB ({}%)", .{ key_color, key, ascii.Reset, ram_info.ram_usage, ram_info.ram_size, ram_info.ram_usage_percentage }) };
 }
 
-pub fn getDefaultFormattedSwapInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedSwapInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedSwapInfo(allocator, "Swap", ascii.Yellow);
 }
 
-pub fn getFormattedSwapInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedSwapInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const swap_info = if (builtin.os.tag == .macos) try detection.hardware.getSwapInfo() else if (builtin.os.tag == .linux) try detection.hardware.getSwapInfo(allocator);
     if (swap_info) |s| {
-        return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {d:.2} / {d:.2} GiB ({}%)", .{ key_color, key, ascii.Reset, s.swap_usage, s.swap_usage, s.swap_usage_percentage });
+        return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {d:.2} / {d:.2} GiB ({}%)", .{ key_color, key, ascii.Reset, s.swap_usage, s.swap_size, s.swap_usage_percentage }) };
     } else {
-        return try std.fmt.allocPrint(allocator, "{s}{s}:{s} Disabled", .{ key_color, key, ascii.Reset });
+        return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} Disabled", .{ key_color, key, ascii.Reset }) };
     }
 }
 
-pub fn getDefaultFormattedDiskInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedDiskInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedDiskInfo(allocator, "Disk", ascii.Yellow);
 }
 
-pub fn getFormattedDiskInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedDiskInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const disk_info = try detection.hardware.getDiskSize("/");
-    return try std.fmt.allocPrint(allocator, "{s}{s} ({s}):{s} {d:.2} / {d:.2} GB ({}%)", .{ key_color, key, disk_info.disk_path, ascii.Reset, disk_info.disk_usage, disk_info.disk_size, disk_info.disk_usage_percentage });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s} ({s}):{s} {d:.2} / {d:.2} GB ({}%)", .{ key_color, key, disk_info.disk_path, ascii.Reset, disk_info.disk_usage, disk_info.disk_size, disk_info.disk_usage_percentage }) };
 }
 
-pub fn getDefaultFormattedTerminalNameInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedTerminalNameInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedTerminalNameInfo(allocator, "Terminal", ascii.Yellow);
 }
 
-pub fn getFormattedTerminalNameInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) ![]u8 {
+pub fn getFormattedTerminalNameInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     const terminal_name = try detection.user.getTerminalName(allocator);
     defer allocator.free(terminal_name);
-    return try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, terminal_name });
+    return Result{ .string = try std.fmt.allocPrint(allocator, "{s}{s}:{s} {s}", .{ key_color, key, ascii.Reset, terminal_name }) };
 }
 
-pub fn getDefaultFormattedNetInfo(allocator: std.mem.Allocator) ![]u8 {
+pub fn getDefaultFormattedNetInfo(allocator: std.mem.Allocator) !Result {
     return try getFormattedNetInfo(allocator, "Local IP", ascii.Yellow);
 }
 
-pub fn getFormattedNetInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !std.ArrayList([]u8) {
+pub fn getFormattedNetInfo(allocator: std.mem.Allocator, key: []const u8, key_color: []const u8) !Result {
     var formatted_net_info_list = std.ArrayList([]u8).init(allocator);
 
     var net_info_list = try detection.network.getNetInfo(allocator);
@@ -178,5 +205,5 @@ pub fn getFormattedNetInfo(allocator: std.mem.Allocator, key: []const u8, key_co
     }
     net_info_list.deinit();
 
-    return formatted_net_info_list;
+    return Result{ .string_arraylist = formatted_net_info_list };
 }

src/linux/hardware.zig

@@ -1,6 +1,7 @@
 const std = @import("std");
 const c_unistd = @cImport(@cInclude("unistd.h"));
 const c_statvfs = @cImport(@cInclude("sys/statvfs.h"));
+const c_libpci = @cImport(@cInclude("pci/pci.h"));
 
 /// Struct representing CPU informations
 pub const CpuInfo = struct {
@@ -9,6 +10,13 @@ pub const CpuInfo = struct {
     cpu_max_freq: f32,
 };
 
+/// Struct representing GPU informations
+pub const GpuInfo = struct {
+    gpu_name: []u8,
+    gpu_cores: i32,
+    gpu_freq: f64,
+};
+
 /// Struct representing RAM usage informations
 pub const RamInfo = struct {
     ram_size: f64,
@@ -43,6 +51,7 @@ pub fn getCpuInfo(allocator: std.mem.Allocator) !CpuInfo {
 
     // Parsing /proc/cpuinfo
     var model_name: ?[]const u8 = null;
+    var cpu_max_freq_mhz_str: ?[]const u8 = null;
 
     var lines = std.mem.splitScalar(u8, cpuinfo_data, '\n');
     while (lines.next()) |line| {
@@ -52,22 +61,50 @@ pub fn getCpuInfo(allocator: std.mem.Allocator) !CpuInfo {
             _ = parts.next(); // discards the key
             if (parts.next()) |value| {
                 model_name = std.mem.trim(u8, value, " ");
-                break;
             }
+        } else if (std.mem.startsWith(u8, trimmed, "cpu MHz") and cpu_max_freq_mhz_str == null) {
+            var parts = std.mem.splitScalar(u8, trimmed, ':');
+            _ = parts.next(); // discard the key
+            if (parts.next()) |value| {
+                cpu_max_freq_mhz_str = std.mem.trim(u8, value, " ");
+            }
+        }
+
+        if ((model_name != null) and (cpu_max_freq_mhz_str != null)) {
+            break;
         }
     }
 
-    // Reads /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
+    var cpu_max_freq: f32 = 0.0;
-    const cpuinfo_max_freq_path = "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq";
-    var file2 = try std.fs.cwd().openFile(cpuinfo_max_freq_path, .{});
-    defer file2.close();
-    const cpuinfo_max_freq_data = try file2.readToEndAlloc(allocator, std.math.maxInt(usize));
-    defer allocator.free(cpuinfo_max_freq_data);
 
-    // Parsing /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
+    const cpuinfo_max_freq_path = "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq";
-    const trimmed = std.mem.trim(u8, cpuinfo_max_freq_data, " \n\r");
+    var cmf_exists: bool = true;
-    const cpu_max_freq_khz: f32 = try std.fmt.parseFloat(f32, trimmed);
+
-    const cpu_max_freq: f32 = cpu_max_freq_khz / 1_000_000;
+    // Checks if /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq exists
+    _ = std.fs.accessAbsolute(cpuinfo_max_freq_path, .{ .mode = .read_only }) catch |err| {
+        if (err == std.posix.AccessError.FileNotFound) {
+            cmf_exists = false;
+        }
+    };
+
+    if (cmf_exists) {
+        // Reads /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
+        var file2 = try std.fs.cwd().openFile(cpuinfo_max_freq_path, .{});
+
+        defer file2.close();
+        const cpuinfo_max_freq_data = try file2.readToEndAlloc(allocator, std.math.maxInt(usize));
+        defer allocator.free(cpuinfo_max_freq_data);
+
+        // Parsing /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
+        const trimmed = std.mem.trim(u8, cpuinfo_max_freq_data, " \n\r");
+        const cpu_max_freq_khz: f32 = try std.fmt.parseFloat(f32, trimmed);
+        cpu_max_freq = cpu_max_freq_khz / 1_000_000;
+    } else {
+        if (cpu_max_freq_mhz_str != null) {
+            const cpu_max_freq_mhz: f32 = try std.fmt.parseFloat(f32, cpu_max_freq_mhz_str.?);
+            cpu_max_freq = cpu_max_freq_mhz / 1_000;
+        }
+    }
 
     return CpuInfo{
         .cpu_name = try allocator.dupe(u8, model_name orelse "Unknown"),
@@ -76,6 +113,93 @@ pub fn getCpuInfo(allocator: std.mem.Allocator) !CpuInfo {
     };
 }
 
+pub fn getGpuInfo(allocator: std.mem.Allocator) !std.ArrayList(GpuInfo) {
+    var gpu_info_list = std.ArrayList(GpuInfo).init(allocator);
+
+    const display_controller = 0x03;
+
+    const pacc = c_libpci.pci_alloc();
+    defer c_libpci.pci_cleanup(pacc);
+    c_libpci.pci_init(pacc);
+    c_libpci.pci_scan_bus(pacc);
+
+    var devices = pacc.*.devices;
+    while (devices != null) : (devices = devices.*.next) {
+        // NOTE: for references: https://github.com/pciutils/pciutils/blob/3ec74c71c01878f92e751f15bb8febe720c3ab40/lib/access.c#L194
+        const known_fields = c_libpci.pci_fill_info(devices, c_libpci.PCI_FILL_IDENT | c_libpci.PCI_FILL_CLASS);
+        if (known_fields <= 0) {
+            return error.NoLibpciFieldsFound;
+        }
+
+        if ((devices.*.device_class >> 8) == display_controller) {
+            var name_buffer: [256]u8 = undefined;
+
+            const name = c_libpci.pci_lookup_name(
+                pacc,
+                &name_buffer,
+                name_buffer.len,
+                c_libpci.PCI_LOOKUP_VENDOR | c_libpci.PCI_LOOKUP_DEVICE,
+                devices.*.vendor_id,
+                devices.*.device_id,
+            );
+
+            const gpu_name = try allocator.dupe(u8, std.mem.span(name));
+
+            const maybe_parsed_gpu_name = try parseGpuName(allocator, gpu_name);
+            var parsed_gpu_name: []u8 = undefined;
+
+            if (maybe_parsed_gpu_name != null) {
+                allocator.free(gpu_name);
+                parsed_gpu_name = maybe_parsed_gpu_name.?;
+            } else {
+                parsed_gpu_name = gpu_name;
+            }
+
+            try gpu_info_list.append(GpuInfo{
+                .gpu_name = parsed_gpu_name,
+                .gpu_cores = 0,
+                .gpu_freq = 0.0,
+            });
+        }
+    }
+
+    if (gpu_info_list.items.len == 0) {
+        try gpu_info_list.append(GpuInfo{
+            .gpu_name = try allocator.dupe(u8, "Unknown"),
+            .gpu_cores = 0,
+            .gpu_freq = 0.0,
+        });
+    }
+
+    return gpu_info_list;
+}
+
+fn parseGpuName(allocator: std.mem.Allocator, name: []u8) !?[]u8 {
+    // NOTE: for references: https://github.com/pciutils/pciutils/blob/master/pci.ids
+
+    if (std.mem.startsWith(u8, name, "Advanced Micro Devices, Inc. [AMD/ATI]")) {
+        const size = std.mem.replacementSize(u8, name, "Advanced Micro Devices, Inc. [AMD/ATI]", "AMD");
+        const parsed_gpu_name = try allocator.alloc(u8, size);
+        _ = std.mem.replace(u8, name, "Advanced Micro Devices, Inc. [AMD/ATI]", "AMD", parsed_gpu_name);
+
+        return parsed_gpu_name;
+    } else if (std.mem.startsWith(u8, name, "Intel Corporation")) {
+        const size = std.mem.replacementSize(u8, name, "Intel Corporation", "Intel");
+        const parsed_gpu_name = try allocator.alloc(u8, size);
+        _ = std.mem.replace(u8, name, "Intel Corporation", "Intel", parsed_gpu_name);
+
+        return parsed_gpu_name;
+    } else if (std.mem.startsWith(u8, name, "NVIDIA Corporation")) {
+        const size = std.mem.replacementSize(u8, name, "NVIDIA Corporation", "NVIDIA");
+        const parsed_gpu_name = try allocator.alloc(u8, size);
+        _ = std.mem.replace(u8, name, "NVIDIA Corporation", "NVIDIA", parsed_gpu_name);
+
+        return parsed_gpu_name;
+    }
+
+    return null;
+}
+
 pub fn getRamInfo(allocator: std.mem.Allocator) !RamInfo {
     // Reads /proc/meminfo
     const meminfo_path = "/proc/meminfo";
@@ -203,7 +327,7 @@ pub fn getDiskSize(disk_path: []const u8) !DiskInfo {
     }
 
     const total_size = stat.f_blocks * stat.f_frsize;
-    const free_size = stat.f_bavail * stat.f_frsize;
+    const free_size = stat.f_bfree * stat.f_frsize;
     const used_size = total_size - free_size;
 
     const used_size_percentage = (used_size * 100) / total_size;

src/linux/system.zig

@@ -70,8 +70,8 @@ pub fn getKernelInfo(allocator: std.mem.Allocator) !KernelInfo {
     }
 
     return KernelInfo{
-        .kernel_name = try allocator.dupe(u8, &uts.sysname),
+        .kernel_name = try allocator.dupe(u8, std.mem.sliceTo(&uts.sysname, 0)),
-        .kernel_release = try allocator.dupe(u8, &uts.release),
+        .kernel_release = try allocator.dupe(u8, std.mem.sliceTo(&uts.release, 0)),
     };
 }
 

src/linux/user.zig

@@ -6,7 +6,9 @@ pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
 }
 
 pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
-    const shell = try std.process.getEnvVarOwned(allocator, "SHELL");
+    const shell = std.process.getEnvVarOwned(allocator, "SHELL") catch |err| if (err == error.EnvironmentVariableNotFound) {
+        return allocator.dupe(u8, "Unknown");
+    } else return err;
 
     var child = std.process.Child.init(&[_][]const u8{ shell, "--version" }, allocator);
     defer allocator.free(shell);
@@ -20,12 +22,29 @@ pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
 
     _ = try child.wait();
 
+    if (std.mem.indexOf(u8, shell, "bash") != null) {
+        const bash_version = parseBashVersion(output);
+        defer allocator.free(output);
+        return try std.fmt.allocPrint(allocator, "{s} {s}", .{ "bash", bash_version.? });
+    }
+
     return output;
 }
 
+fn parseBashVersion(shell_version_output: []u8) ?[]u8 {
+    const end_index = std.mem.indexOf(u8, shell_version_output, "(");
+    if (end_index == null) return null;
+
+    const version_keyword = "version ";
+    const version_keyword_index = std.mem.indexOf(u8, shell_version_output[0..end_index.?], version_keyword);
+    if (version_keyword_index == null) return null;
+
+    return shell_version_output[version_keyword_index.? + version_keyword.len .. end_index.?];
+}
+
 pub fn getTerminalName(allocator: std.mem.Allocator) ![]u8 {
-    const term_progrm = std.process.getEnvVarOwned(allocator, "TERM_PROGRAM") catch |err| if (err == error.EnvironmentVariableNotFound) {
+    const term_program = std.process.getEnvVarOwned(allocator, "TERM_PROGRAM") catch |err| if (err == error.EnvironmentVariableNotFound) {
         return allocator.dupe(u8, "Unknown");
     } else return err;
-    return term_progrm;
+    return term_program;
 }

src/macos/hardware.zig

@@ -418,7 +418,7 @@ pub fn getDiskSize(disk_path: []const u8) !DiskInfo {
     }
 
     const total_size = stat.f_blocks * stat.f_frsize;
-    const free_size = stat.f_bavail * stat.f_frsize;
+    const free_size = stat.f_bfree * stat.f_frsize;
     const used_size = total_size - free_size;
 
     const used_size_percentage = (used_size * 100) / total_size;

src/macos/user.zig

@@ -9,7 +9,9 @@ pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
 }
 
 pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
-    const shell = try std.process.getEnvVarOwned(allocator, "SHELL");
+    const shell = std.process.getEnvVarOwned(allocator, "SHELL") catch |err| if (err == error.EnvironmentVariableNotFound) {
+        return allocator.dupe(u8, "Unknown");
+    } else return err;
 
     var child = std.process.Child.init(&[_][]const u8{ shell, "--version" }, allocator);
     defer allocator.free(shell);
@@ -23,12 +25,29 @@ pub fn getShell(allocator: std.mem.Allocator) ![]u8 {
 
     _ = try child.wait();
 
+    if (std.mem.indexOf(u8, shell, "bash") != null) {
+        const bash_version = parseBashVersion(output);
+        defer allocator.free(output);
+        return try std.fmt.allocPrint(allocator, "{s} {s}", .{ "bash", bash_version.? });
+    }
+
     return output;
 }
 
+fn parseBashVersion(shell_version_output: []u8) ?[]u8 {
+    const end_index = std.mem.indexOf(u8, shell_version_output, "(");
+    if (end_index == null) return null;
+
+    const version_keyword = "version ";
+    const version_keyword_index = std.mem.indexOf(u8, shell_version_output[0..end_index.?], version_keyword);
+    if (version_keyword_index == null) return null;
+
+    return shell_version_output[version_keyword_index.? + version_keyword.len .. end_index.?];
+}
+
 pub fn getTerminalName(allocator: std.mem.Allocator) ![]u8 {
-    const term_progrm = std.process.getEnvVarOwned(allocator, "TERM_PROGRAM") catch |err| if (err == error.EnvironmentVariableNotFound) {
+    const term_program = std.process.getEnvVarOwned(allocator, "TERM_PROGRAM") catch |err| if (err == error.EnvironmentVariableNotFound) {
         return allocator.dupe(u8, "Unknown");
     } else return err;
-    return term_progrm;
+    return term_program;
 }

src/main.zig

@@ -43,8 +43,15 @@ pub fn main() !void {
     try sys_info_list.append(separtor_buffer);
 
     if (modules_types.items.len == 0) {
-        inline for (0..formatters.formatters.len) |i| {
+        inline for (0..formatters.default_formatters.len) |i| {
-            try sys_info_list.append(try formatters.default_formatters[i](allocator));
+            const result = try formatters.default_formatters[i](allocator);
+            switch (result) {
+                .string => |r| try sys_info_list.append(r),
+                .string_arraylist => |r| {
+                    defer r.deinit();
+                    try sys_info_list.appendSlice(r.items);
+                },
+            }
         }
     } else if (conf) |c| {
         for (modules_types.items, c.value.modules) |module_type, module| {
@@ -52,16 +59,14 @@ pub fn main() !void {
             const rgb = try ascii.hexColorToRgb(module.key_color);
             const key_color = try std.fmt.bufPrint(&buf, "\x1b[38;2;{d};{d};{d}m", .{ rgb.r, rgb.g, rgb.b });
 
-            if (module_type == config.ModuleType.net) {
+            const result = try formatters.formatters[@intFromEnum(module_type)](allocator, module.key, key_color);
-                var formatted_net_info_list = try formatters.getFormattedNetInfo(allocator, module.key, key_color);
+            switch (result) {
-                defer formatted_net_info_list.deinit();
+                .string => |r| try sys_info_list.append(r),
-
+                .string_arraylist => |r| {
-                try sys_info_list.appendSlice(formatted_net_info_list.items);
+                    defer r.deinit();
-
+                    try sys_info_list.appendSlice(r.items);
-                continue;
+                },
             }
-
-            try sys_info_list.append(try formatters.formatters[@intFromEnum(module_type)](allocator, module.key, key_color));
         }
     }
 

src/utils.zig

@@ -0,0 +1,77 @@
+const std = @import("std");
+const builtin = @import("builtin");
+
+pub const TermSize = struct {
+    width: u16,
+    height: u16,
+};
+
+pub fn getTerminalSize() !TermSize {
+    // https://github.com/softprops/zig-termsize (https://github.com/softprops/zig-termsize/blob/main/src/main.zig)
+
+    const stdout = std.io.getStdOut();
+
+    switch (builtin.os.tag) {
+        .windows => {
+            var buf: std.os.windows.CONSOLE_SCREEN_BUFFER_INFO = undefined;
+            switch (std.os.windows.kernel32.GetConsoleScreenBufferInfo(stdout.handle, &buf)) {
+                std.os.windows.TRUE => return TermSize{
+                    .width = @intCast(buf.srWindow.Right - buf.srWindow.Left + 1),
+                    .height = @intCast(buf.srWindow.Bottom - buf.srWindow.Top + 1),
+                },
+                else => return error.GetConsoleScreenBufferInfoFailed,
+            }
+        },
+        .linux, .macos => {
+            var buf: std.posix.winsize = undefined;
+            switch (std.posix.errno(
+                std.posix.system.ioctl(
+                    stdout.handle,
+                    std.posix.T.IOCGWINSZ,
+                    @intFromPtr(&buf),
+                ),
+            )) {
+                std.posix.E.SUCCESS => return TermSize{
+                    .width = buf.col,
+                    .height = buf.row,
+                },
+                else => return error.IoctlFailed,
+            }
+        },
+        else => return error.UnsupportedOperatingSystem,
+    }
+}
+
+test "getTerminalSize" {
+    const terminal_size = try getTerminalSize();
+
+    std.debug.print("Height: {}, Width {}\n", .{ terminal_size.height, terminal_size.width });
+
+    try std.testing.expect((terminal_size.height > 0) and (terminal_size.width > 0));
+}
+
+pub fn getLongestSysInfoStringLen(strings: []const []const u8) usize {
+    const ansi_reset = "\x1b[0m";
+    var longest_len: usize = 0;
+
+    // Ignore the username@host and the separator
+    for (strings[2..]) |s| {
+        const ansi_restet_index = std.mem.indexOf(u8, s, ansi_reset);
+        var start: usize = 0;
+
+        if (ansi_restet_index != null) {
+            // `start` is the index of the last character of the ANSI reset escape sequence + 1
+            start = ansi_restet_index.? + ansi_reset.len + 1;
+        }
+
+        longest_len = @max(longest_len, s[start..].len);
+    }
+
+    return longest_len;
+}
+
+test "getLongestSysInfoStringLen" {
+    const strings = [_][]const u8{ "", "", "test", "test-test", "test1" };
+
+    try std.testing.expectEqual(strings[3].len, getLongestSysInfoStringLen(strings[0..]));
+}