odin report: Add FreeBSD OS & RAM detection.

src/bug_report.cpp

@@ -22,6 +22,10 @@
 	#include <sys/utsname.h>
 #endif
 
+#if defined(GB_SYSTEM_FREEBSD)
+	#include <sys/sysctl.h>
+#endif
+
 /*
 	NOTE(Jeroen): This prints the Windows product edition only, to be called from `print_platform_details`.
 */
@@ -217,7 +221,6 @@ void report_cpu_info() {
 	Report the amount of installed RAM.
 */
 void report_ram_info() {
-
 	gb_printf("\tRAM:  ");
 
 	#if defined(GB_SYSTEM_WINDOWS)
@@ -255,41 +258,20 @@ void report_ram_info() {
 		if (sysctl(sysctls, 2, &ram_amount, &val_size, NULL, 0) != -1) {
 			gb_printf("%lld MiB\n", ram_amount / gb_megabytes(1));
 		}
+	#elif defined(GB_SYSTEM_FREEBSD)
+		uint64_t ram_amount;
+		size_t   val_size = sizeof(ram_amount);
+
+		int sysctls[] = { CTL_HW, HW_PHYSMEM };
+		if (sysctl(sysctls, 2, &ram_amount, &val_size, NULL, 0) != -1) {
+			gb_printf("%lu MiB\n", ram_amount / gb_megabytes(1));
+		}
 	#else
 		gb_printf("Unknown.\n");
 	#endif
 }
 
-/*
+void report_os_info() {
-	NOTE(Jeroen): `odin report` prints some system information for easier bug reporting.
-*/
-void print_bug_report_help() {
-	gb_printf("Where to find more information and get into contact when you encounter a bug:\n\n");
-	gb_printf("\tWebsite: https://odin-lang.org\n");
-	gb_printf("\tGitHub:  https://github.com/odin-lang/Odin/issues\n");
-	/*
-		Uncomment and update URL once we have a Discord vanity URL. For now people can get here from the site.
-		gb_printf("\tDiscord: https://discord.com/invite/sVBPHEv\n");
-	*/
-	gb_printf("\n\n");
-
-	gb_printf("Useful information to add to a bug report:\n\n");
-
-	gb_printf("\tOdin: %.*s", LIT(ODIN_VERSION));
-
-	#ifdef NIGHTLY
-	gb_printf("-nightly");
-	#endif
-
-	#ifdef GIT_SHA
-	gb_printf(":%s", GIT_SHA);
-	#endif
-
-	gb_printf("\n");
-
-	/*
-		Print OS information.
-	*/
 	gb_printf("\tOS:   ");
 
 	#if defined(GB_SYSTEM_WINDOWS)
@@ -483,7 +465,6 @@ void print_bug_report_help() {
 		}
 		gb_printf("\n");
 	}
-
 	#elif defined(GB_SYSTEM_LINUX)
 		/*
 			Try to parse `/etc/os-release` for `PRETTY_NAME="Ubuntu 20.04.3 LTS`
@@ -542,10 +523,10 @@ void print_bug_report_help() {
 		b32 found = 1;
 		uint32_t major, minor;
 
-		#define osx_version_buffer 100
+		#define freebsd_version_buffer 100
-		char buffer[osx_version_buffer];
+		char buffer[freebsd_version_buffer];
-		size_t buffer_size = osx_version_buffer - 1;
+		size_t buffer_size = freebsd_version_buffer - 1;
-		#undef osx_version_buffer
+		#undef freebsd_version_buffer
 
 		int sysctls[] = { CTL_KERN, KERN_OSRELEASE };
 		if (sysctl(sysctls, 2, buffer, &buffer_size, NULL, 0) == -1) {
@@ -664,10 +645,82 @@ void print_bug_report_help() {
 		} else {
 			gb_printf("OpenBSD: Unknown\n");    
 		}
-	#else
+	#elif defined(GB_SYSTEM_FREEBSD)
-		gb_printf("Unknown\n");
+		#define freebsd_version_buffer 129
+		char buffer[freebsd_version_buffer];
+		size_t buffer_size = freebsd_version_buffer - 1;
+		#undef freebsd_version_buffer
 
+		int sysctls[] = { CTL_KERN, KERN_VERSION };
+		if (sysctl(sysctls, 2, buffer, &buffer_size, NULL, 0) == -1) {
+			gb_printf("FreeBSD: Unknown\n");
+		} else {
+			// KERN_VERSION can end in a \n, replace it with a \0
+			for (int i = 0; i < buffer_size; i += 1) {
+				if (buffer[i] == '\n') buffer[i] = 0;
+			}
+			gb_printf("%s", &buffer[0]);
+
+			// Retrieve kernel revision using `sysctl`, e.g. 199506
+			sysctls[1] = KERN_OSREV;
+			uint64_t revision;
+			size_t revision_size = sizeof(revision);
+
+			if (sysctl(sysctls, 2, &revision, &revision_size, NULL, 0) == -1) {
+				gb_printf("\n");
+			} else {
+				gb_printf(", revision %ld\n", revision);
+			}
+		}
+
+		// if (found) {
+		// 	gb_printf("FreeBSD ")
+		// }
+
+		// // Retrieve kernel revision using `sysctl`, e.g. 199506
+		// mib = []i32{sys.CTL_KERN, sys.KERN_OSREV}
+		// revision: int
+		// if !sys.sysctl(mib, &revision) {
+		// 	return
+		// }
+		// os_version.patch = revision
+
+		// strings.write_string(&b, ", revision ")
+		// strings.write_int(&b, revision)
+	#else
+		gb_printf("Unknown");
 	#endif
+}
+
+// NOTE(Jeroen): `odin report` prints some system information for easier bug reporting.
+void print_bug_report_help() {
+	gb_printf("Where to find more information and get into contact when you encounter a bug:\n\n");
+	gb_printf("\tWebsite: https://odin-lang.org\n");
+	gb_printf("\tGitHub:  https://github.com/odin-lang/Odin/issues\n");
+	/*
+		Uncomment and update URL once we have a Discord vanity URL. For now people can get here from the site.
+		gb_printf("\tDiscord: https://discord.com/invite/sVBPHEv\n");
+	*/
+	gb_printf("\n\n");
+
+	gb_printf("Useful information to add to a bug report:\n\n");
+
+	gb_printf("\tOdin: %.*s", LIT(ODIN_VERSION));
+
+	#ifdef NIGHTLY
+	gb_printf("-nightly");
+	#endif
+
+	#ifdef GIT_SHA
+	gb_printf(":%s", GIT_SHA);
+	#endif
+
+	gb_printf("\n");
+
+	/*
+		Print OS information.
+	*/
+	report_os_info();
 
 	/*
 		Now print CPU info.