src/remembering-c.c: Add get_profile_file()

1 files changed, 54 insertions, 0 deletions

diff --git a/src/remembering-c.c b/src/remembering-c.c
index 39429d6..2e7395f 100644
--- a/src/remembering-c.c
+++ b/src/remembering-c.c
@@ -52,6 +52,51 @@ static int missing(FILE *stream, const char *const argument) {
 	return 0;
 }
 
+static char *get_profile_file(const char *const profile) {
+	char *home = NULL;
+	if (!(home = getenv("XDG_DATA_HOME"))) {
+		if (!(home = getenv("HOME"))) {
+			fprintf(stderr, "Unable to get $XDG_DATA_HOME or $HOME environment variables\n");
+			return NULL;
+		}
+		const char *const suffix = "/.local/share/remembering";
+		const size_t home_suffix_size =
+			strlen(home)   +
+			strlen(suffix) +
+			sizeof(char);
+		char *const home_with_suffix = malloc(home_suffix_size);
+		if (!home_with_suffix) {
+			perror("get_profile_file() - home_with_suffix");
+			return NULL;
+		}
+		strcat(home_with_suffix, home);
+		strcat(home_with_suffix, suffix);
+		home = home_with_suffix;
+	} else {
+		if (!(home = strdup(home))) {
+			perror("get_profile_file() - strdup()");
+			return NULL;
+		}
+	}
+
+	size_t size =
+		strlen(home)    +
+		strlen("/")     +
+		strlen(profile) +
+		sizeof(char);
+	char *const profile_file = malloc(size);
+	if (!profile_file) {
+		perror("get_profile_file() - profile_file");
+		free(home);
+		return NULL;
+	}
+	strcat(profile_file, home);
+	strcat(profile_file, "/");
+	strcat(profile_file, profile);
+
+	return profile_file;
+}
+
 int main(int argc, char *argv[]) {
 #ifdef TEST
 	return EXIT_SUCCESS;
@@ -106,5 +151,14 @@ int main(int argc, char *argv[]) {
 		return EXIT_USAGE;
 	}
 
+	char *const profile_file = get_profile_file(profile);
+	if(!profile_file) {
+		return EXIT_ERROR;
+	}
+
+	printf("profile: %s\ncommand: %s\n", profile, command);
+	printf("profile_file: %s\n", profile_file);
+
+	free(profile_file);
 	return 0;
 }