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-rw-r--r--imbox.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/imbox.c b/imbox.c
index 22bb36a..5ab23c1 100644
--- a/imbox.c
+++ b/imbox.c
@@ -55,35 +55,34 @@ static void printLines(const char *lines) {
 }
 
 static void mboxrd(const char *headers, const char *body) {
-	static regex_t fromRegex;
-	compile(&fromRegex, "^From: .*<([^>]+)>");
+#define MATCH(str, match) \
+	(int)((match).rm_eo - (match).rm_so), &(str)[(match).rm_so]
+	static regex_t fromRegex, dateRegex;
 
+	compile(&fromRegex, "^From: .*<([^>]+)>");
 	regmatch_t from[2];
 	int error = regexec(&fromRegex, headers, 2, from, 0);
 	if (error) errx(EX_DATAERR, "missing From header");
-	printf(
-		"From %.*s ",
-		(int)(from[1].rm_eo - from[1].rm_so), &headers[from[1].rm_so]
-	);
+	printf("From %.*s ", MATCH(headers, from[1]));
 
-	static regex_t dateRegex;
+	// Day, Date Month Year Time -> Day Month Date Time Year
 	compile(&dateRegex, "^Date: (...), (..) (...) (....) (.{8})");
-
 	regmatch_t date[6];
 	error = regexec(&dateRegex, headers, 6, date, 0);
 	if (error) errx(EX_DATAERR, "missing Date header");
 	printf(
 		"%.*s %.*s %.*s %.*s %.*s\n",
-		(int)(date[1].rm_eo - date[1].rm_so), &headers[date[1].rm_so],
-		(int)(date[3].rm_eo - date[3].rm_so), &headers[date[3].rm_so],
-		(int)(date[2].rm_eo - date[2].rm_so), &headers[date[2].rm_so],
-		(int)(date[5].rm_eo - date[5].rm_so), &headers[date[5].rm_so],
-		(int)(date[4].rm_eo - date[4].rm_so), &headers[date[4].rm_so]
+		MATCH(headers, date[1]),
+		MATCH(headers, date[3]),
+		MATCH(headers, date[2]),
+		MATCH(headers, date[5]),
+		MATCH(headers, date[4])
 	);
 
 	printLines(headers);
 	printLines(body);
 	printf("\n");
+#undef MATCH
 }
 
 static bool verbose;