save

core/create_project.c

@@ -1,4 +1,3 @@
-#include <assert.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -17,21 +16,14 @@
 #define DEFAULT_GIT_INIT true
 #define DEFAULT_CLANG_FORMAT true
 
-/* This is to keep track of how deep we are within
-  the project tree. This is used in reset_path_ ()   */
 int depth;
 
-/* This macro exist purely because I like how it looks. This should be called
-   in every function that creates file to ensure they are being created in
-   right place.  */
-#define reset_path reset_path_()
-int reset_path_()
+static int reset_path(void)
 {
-	while (depth != 0) {
+	while (depth > 0) {
 		if (chdir("..") != 0)
 			return errno;
-		else
-			--depth;
+		depth--;
 	}
 	return 0;
 }
@@ -40,11 +32,11 @@ int program_exists(const char *prog)
 {
 	char *path = getenv("PATH");
 	if (!path)
-		return 1;
+		return -1;
 
 	char *copy = strdup(path);
 	if (!copy)
-		return 1;
+		return -1;
 
 	char *dir = strtok(copy, ":");
 	while (dir) {
@@ -61,26 +53,30 @@ int program_exists(const char *prog)
 	return 1;
 }
 
-// TODO(vx-clutch): sanitize the alpha-numeric range
-// clang-format off
- int sanitize(manifest_t *m)
+int sanitize(manifest_t *m)
 {
-	if (!m->project) m->project                = DEFAULT_PROJECT_NAME;
-	if (!m->name) m->name 			   = DEFAULT_USER_NAME;
-	if (!(m->licence == UNLICENCE)) m->licence = DEFAULT_LICENCE;
-
-	m->flag.git = m->flag.git ? true : DEFAULT_GIT_INIT;
-	m->flag.clang_format = m->flag.clang_format ? true : DEFAULT_CLANG_FORMAT;
-	m->flag.GNU = m->flag.GNU ? true : DEFAULT_GNU;
+	if (!m->project)
+		m->project = DEFAULT_PROJECT_NAME;
 
 	if (!m->name) {
 		struct passwd *pw = getpwuid(getuid());
 		m->name = (pw && pw->pw_name) ? pw->pw_name : DEFAULT_USER_NAME;
 	}
 
+	if (m->licence == UNLICENCE)
+		m->licence = DEFAULT_LICENCE;
+
+	if (!m->flag.git)
+		m->flag.git = DEFAULT_GIT_INIT;
+
+	if (!m->flag.clang_format)
+		m->flag.clang_format = DEFAULT_CLANG_FORMAT;
+
+	if (!m->flag.GNU)
+		m->flag.GNU = DEFAULT_GNU;
+
 	return 0;
 }
-// clang-format on
 
 int create_libraries(manifest_t manifest)
 {
@@ -90,29 +86,31 @@ int create_libraries(manifest_t manifest)
 		return status;
 	}
 
-	/* reset_path; */
-	while (depth != 0) {
-		if (chdir("..") != 0)
-			return errno;
-		else
-			--depth;
-	}
+	int ret = reset_path();
+	if (ret != 0)
+		return ret;
 
-	for (int i = 0; i < LIB_COUNT_; ++i) {
 	if (HAS_LIBRARY(manifest.libraries, LIB_RAYLIB)) {
 		REMOVE_LIBRARY(manifest.libraries, LIB_RAYLIB);
-			status = system(
-				"git submodule add -q https://github.com/raysan5/raylib");
-		} else if (HAS_LIBRARY(manifest.libraries, LIB_NCURSES)) {
+		status = system("git submodule add -q https://github.com/raysan5/raylib");
+		if (status != 0)
+			return status;
+	}
+
+	if (HAS_LIBRARY(manifest.libraries, LIB_NCURSES)) {
 		REMOVE_LIBRARY(manifest.libraries, LIB_NCURSES);
-			status = system(
-				"git submodule add -q https://github.com/mirror/ncurses");
-		} else if (HAS_LIBRARY(manifest.libraries, LIB_CURL)) {
+		status = system("git submodule add -q https://github.com/mirror/ncurses");
+		if (status != 0)
+			return status;
+	}
+
+	if (HAS_LIBRARY(manifest.libraries, LIB_CURL)) {
 		REMOVE_LIBRARY(manifest.libraries, LIB_CURL);
-			status = system(
-				"git submodule add -q https://github.com/raysan5/raylib");
-		}
+		status = system("git submodule add -q https://github.com/curl/curl");
+		if (status != 0)
+			return status;
 	}
+
 	return status;
 }
 
@@ -121,76 +119,55 @@ int create_licence(manifest_t manifest, char **licence_line_buffer)
 	if (manifest.licence == UNLICENCE)
 		return 0;
 
-	/* reset_path; */
-	while (depth != 0) {
-		if (chdir("..") != 0)
-			return errno;
-		else
-			--depth;
-	}
+	int ret = reset_path();
+	if (ret != 0)
+		return ret;
 
-	assert(licence_line_buffer != NULL);
+	if (!licence_line_buffer)
+		return EINVAL;
 
 	switch (manifest.licence) {
 	case BSD3:
 		*licence_line_buffer = "Bsd";
-		printfn("Not impl");
-		assert(1 == 2);
-		break;
+		fprintf(stderr, "create_licence: BSD3 license generation not implemented\n");
+		return ENOSYS;
 	case GPLv3:
-		printfn("Not impl");
-		assert(1 == 2);
-		break;
+		fprintf(stderr, "create_licence: GPLv3 license generation not implemented\n");
+		return ENOSYS;
 	case MIT:
-		printfn("Not impl");
-		assert(1 == 2);
-		break;
-	case UNLICENCE:
+		fprintf(stderr, "create_licence: MIT license generation not implemented\n");
+		return ENOSYS;
 	default:
-		printfn("bad logic in create_licence ()");
-		return 1;
+		fprintf(stderr, "create_licence: unknown license type\n");
+		return EINVAL;
 	}
-	return 0;
 }
 
 int maybe_create_clang_format(manifest_t manifest)
 {
-	int status;
+	int ret = reset_path();
+	if (ret != 0)
+		return ret;
+
 	if (!manifest.flag.clang_format)
 		return 0;
 
-	/* reset_path; */
-	while (depth != 0) {
-		if (chdir("..") != 0)
-			return errno;
-		else
-			--depth;
-	}
-
-	status = create_file_with_content(".clang-format",
-					  clang_format_template);
-
+	int status = create_file_with_content(".clang-format", clang_format_template);
 	return status;
 }
 
 int setup_git(manifest_t manifest)
 {
-	if (!manifest.flag.git) {
+	if (!manifest.flag.git)
 		return 0;
-	}
 
-	/* reset_path; */
-	while (depth != 0) {
-		if (chdir("..") != 0)
-			return errno;
-		else
-			--depth;
-	}
+	int ret = reset_path();
+	if (ret != 0)
+		return ret;
 
 	int status = system("git init --quiet");
-	if (status) {
-		printfn("failed on git initialize: %s", strerror(status));
-	}
+	if (status != 0)
+		fprintf(stderr, "setup_git: failed to initialize git: %s\n", strerror(status));
 
 	return status;
 }
@@ -199,66 +176,74 @@ int create_makefile(manifest_t manifest)
 {
 	char *makefile_name = strdup(manifest.project);
 	if (!makefile_name) {
-		printfn("fatal: out of memory");
-		return 1;
+		fprintf(stderr, "create_makefile: fatal: out of memory\n");
+		return ENOMEM;
 	}
 
 	for (char *p = makefile_name; *p; ++p)
 		if (*p >= 'a' && *p <= 'z')
-			*p -= 32;
+			*p -= 'a' - 'A';
 
-	reset_path;
+	int ret = reset_path();
+	if (ret != 0) {
+		free(makefile_name);
+		return ret;
+	}
 
-	create_file_with_content("Makefile", makefile_template, makefile_name,
+	int status = create_file_with_content("Makefile", makefile_template, makefile_name,
 					     makefile_name, makefile_name, makefile_name,
 					     makefile_name, makefile_name, manifest.project,
 					     makefile_name, makefile_name);
 
 	free(makefile_name);
-	return 0;
+	return status;
 }
 
 int create_configure(manifest_t manifest)
 {
-	int status = 0;
-	reset_path;
+	int ret = reset_path();
+	if (ret != 0)
+		return ret;
 
-	char *cc;
+	const char *cc;
 	if (manifest.flag.use_cpp) {
 		cc = "trycc g++\ntrycc CC\ntrycc clang++\n";
 	} else {
 		cc = "trycc gcc\ntrycc cc\ntrycc clang\n";
 	}
 
-	create_file_with_content("configure", configure_template, cc);
+	int status = create_file_with_content("configure", configure_template, cc);
+	if (status != 0)
+		return status;
+
 	status = system("chmod +x configure");
-	if (status)
-		printfn("error: %s", strerror(status));
+	if (status != 0)
+		fprintf(stderr, "create_configure: chmod failed: %s\n", strerror(status));
+
 	return status;
 }
 
 int generate_source_code(manifest_t manifest, char *licence_line)
 {
-	int status, year = 0;
+	int status = 0;
 
 	time_t t = time(NULL);
 	struct tm tm = *localtime(&t);
-	year = tm.tm_year + 1900;
+	int year = tm.tm_year + 1900;
 
-	// XXX(vx-clutch): this segfaults, but why?
+	// Uncomment or fix when create_file_with_content supports this
 	// status = create_file_with_content("config.h", manifest.project, licence_line, year);
-	if (status) {
-		printfn("failed to create config.h: %s", strerror(status));
-		return status;
-	}
+	// if (status != 0) {
+	//	fprintf(stderr, "generate_source_code: failed to create config.h: %s\n", strerror(status));
+	//	return status;
+	// }
 
 	status = create_and_enter_directory(manifest.project);
-	++depth;
-	if (status) {
-		printfn("failed to create or enter directory: %s",
-			strerror(status));
+	if (status != 0) {
+		fprintf(stderr, "generate_source_code: failed to create or enter directory: %s\n", strerror(status));
 		return status;
 	}
+	depth++;
 
 	if (manifest.flag.GNU) {
 		status = create_file_with_content("main.c", main_c_gnu_template,
@@ -269,6 +254,7 @@ int generate_source_code(manifest_t manifest, char *licence_line)
 						  manifest.project,
 						  manifest.name);
 	}
+
 	return status;
 }
 
@@ -276,70 +262,68 @@ int create_project(manifest_t manifest)
 {
 	int status;
 
-	status = sanitize(&manifest);
-	if (status) {
-		printfn("failed to sanitize format: %s", strerror(status));
-		return status;
-	}
+	sanitize(&manifest);
 
 	depth = 0;
 	if (strcmp(manifest.path, ".") != 0) {
 		status = create_and_enter_directory(manifest.project);
-		if (status) {
-			printfn("failed to create or enter directory: %s",
+		if (status != 0) {
+			fprintf(stderr, "create_project: failed to create or enter directory: %s\n",
 				strerror(status));
 			return status;
 		}
+		depth++;
 	}
 
 	status = create_makefile(manifest);
-	if (status) {
-		printfn("failed to create Makefile: %s", strerror(status));
+	if (status != 0) {
+		fprintf(stderr, "create_project: failed to create Makefile: %s\n", strerror(status));
 		return status;
 	}
 
 	status = create_configure(manifest);
-	if (status) {
-		printfn("failed to create configure: %s", strerror(status));
+	if (status != 0) {
+		fprintf(stderr, "create_project: failed to create configure: %s\n", strerror(status));
 		return status;
 	}
 
 	status = setup_git(manifest);
-	if (status) {
-		printfn("warning: git initialization failed: %s",
+	if (status != 0) {
+		fprintf(stderr, "create_project: warning: git initialization failed: %s\n",
 			strerror(status));
 	}
 
 	status = maybe_create_clang_format(manifest);
-	if (status) {
-		printfn("warning: clang-format setup failed: %s",
+	if (status != 0) {
+		fprintf(stderr, "create_project: warning: clang-format setup failed: %s\n",
 			strerror(status));
 	}
 
-	// TODO(vx-clutch): make this smarter--or not ( macro ).
-	char *licence_line = malloc(sizeof(char) * 1024);
+	char *licence_line = malloc(1024);
 	if (!licence_line) {
-		printfn("failed to create memory for licence line: %s",
-			strerror(status));
-		return status;
+		fprintf(stderr, "create_project: failed to allocate memory for licence line\n");
+		return ENOMEM;
 	}
+
 	status = create_licence(manifest, &licence_line);
-	if (status) {
-		printfn("failed to get libraries: %s", strerror(status));
+	if (status != 0) {
+		fprintf(stderr, "create_project: failed to create licence: %s\n", strerror(status));
+		free(licence_line);
 		return status;
 	}
 
-	// TODO(vx-clutch): Take in licence line and put it into standard.c
 	status = generate_source_code(manifest, licence_line);
-	if (status) {
-		printfn("failed to generate source code: %s", strerror(status));
+	if (status != 0) {
+		fprintf(stderr, "create_project: failed to generate source code: %s\n", strerror(status));
+		free(licence_line);
 		return status;
 	}
+
 	free(licence_line);
 
 	status = create_libraries(manifest);
-	if (status) {
-		printfn("failed to get libraries: %s", strerror(status));
+	if (status != 0) {
+		fprintf(stderr, "create_project: failed to get libraries: %s\n", strerror(status));
 		return status;
 	}