1 files changed, 160 insertions, 0 deletions
diff --git a/src/msgs.c b/src/msgs.c
new file mode 100644
index 0000000..eaa6276
--- /dev/null
+++ b/src/msgs.c
@@ -0,0 +1,160 @@
+#include <s.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <nl_types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "logerr.h"
+#include "meta.h"
+
+#include "msgs.h"
+
+
+
+static const char
+CATALOG_NAME[] = NAME;
+
+static nl_catd
+catalog_descriptor = NULL;
+
+static size_t
+msgs_length = 0U;
+
+static const char
+NLSPATH[] = LOCALEDIR "/%l_%t/LC_MESSAGES/%N.cat" ":"
+	LOCALEDIR "/%l/LC_MESSAGES/%N.cat";
+
+static const char
+NLSPATH_KEY[] = "NLSPATH";
+
+
+
+int
+msgs_init(const char *const MSGS[]) {
+	int rc = -1;
+
+	static const int should_overwrite = 0;
+	if (setenv(NLSPATH_KEY, NLSPATH, should_overwrite)) {
+		logerr("setenv(): %s", strerror(errno));
+		goto out;
+	}
+
+	catalog_descriptor = catopen(CATALOG_NAME, 0);
+	if (catalog_descriptor != NULL && catalog_descriptor == (nl_catd)-1) {
+		logerr("catopen(): %s", strerror(errno));
+		catalog_descriptor = NULL;
+		goto out;
+	}
+
+	msgs_length = 0U;
+	while (MSGS[msgs_length] != NULL) {
+		msgs_length++;
+	}
+
+	rc = 0;
+out:
+	return rc;
+}
+
+int
+msgs_end(void) {
+	int rc = -1;
+
+	if (catalog_descriptor != NULL) {
+		if (catclose(catalog_descriptor)) {
+			logerr("catclose(): %s", strerror(errno));
+			goto out;
+		}
+	}
+
+	rc = 0;
+out:
+	if (catalog_descriptor != NULL) {
+		catalog_descriptor = NULL;
+	}
+	return rc;
+}
+
+const char *
+msgs_string(const char* const MSGS[], const int msg_id) {
+	assert(msg_id >= 0);
+	if (msgs_length != 0U) {
+		assert((size_t)msg_id < msgs_length);
+	}
+	if (catalog_descriptor == NULL) {
+		return MSGS[msg_id];
+	}
+
+	errno = 0;
+	const char *const ret =
+		catgets(catalog_descriptor, NL_SETD, msg_id, MSGS[msg_id]);
+	if (errno) {
+		logerr("catgets(): %s", strerror(errno));
+	}
+
+	return ret;
+}
+
+int
+msgs_print_ids(
+	const char *const MSGS[],
+	FILE *restrict stream,
+	const int msg_begin,
+	const int msg_end
+) {
+	int rc = -1;
+
+	for (int i = msg_begin; i <= msg_end; i++) {
+		if (fprintf(stream, "%s", msgs_string(MSGS, i)) < 0) {
+			logerr("fprintf(): %s", strerror(errno));
+			goto out;
+		}
+	}
+
+	rc = 0;
+out:
+	return rc;
+}
+
+int
+msgs_print_id(const char *const MSGS[], FILE *const stream, const int msg_id) {
+	return msgs_print_ids(MSGS, stream, msg_id, msg_id);
+}
+
+int
+msgs_dump_translatable_strings(const char *const MSGS[]) {
+	int rc = -1;
+
+	for (size_t i = 0U; MSGS[i] != NULL; i++) {
+		if (printf("%ld ", i) < 0) {
+			logerr("printf(): %s", strerror(errno));
+			goto out;
+		}
+
+		for (size_t j = 0U; MSGS[i][j]; j++) {
+			if (MSGS[i][j] == '\n') {
+				if (printf("\\n") < 0) {
+					logerr("printf(): %s", strerror(errno));
+					goto out;
+				}
+			} else {
+				if (printf("%c", MSGS[i][j]) < 0) {
+					logerr("printf(): %s", strerror(errno));
+					goto out;
+				}
+			}
+		}
+
+		if (printf("\n\n") < 0) {
+			logerr("printf(): %s", strerror(errno));
+			goto out;
+		}
+	}
+
+	rc = 0;
+out:
+	return rc;
+}