msed: match header names case insensitively

Found by skarnet.
leahneukirchen · May 10, 2021 · 2b517f9 · 2b517f9
1 parent c4008e4
commit 2b517f9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/msed.c b/msed.c
@@ -138,7 +138,7 @@ sed(char *file)
 					if (*s == ':')
 						*s = '|';
 				int rv;
-				if ((rv = regcomp(&headerrx, headersel, REG_EXTENDED)) != 0) {
+				if ((rv = regcomp(&headerrx, headersel, REG_EXTENDED | REG_ICASE)) != 0) {
 					char buf[100];
 					regerror(rv, &headerrx, buf, sizeof buf);
 					fprintf(stderr, "msed: %s\n", buf);