# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1669526408 0
# Node ID dd88f9312170365d48cc705b04e39f372cff3fff
# Parent  d86f866489e9250a26245b69bb25a0f1aa7eae99
gsm-amr2efr: forgot about AMR file header

diff -r d86f866489e9 -r dd88f9312170 miscutil/amr2efr.c
--- a/miscutil/amr2efr.c	Sun Nov 27 05:15:39 2022 +0000
+++ b/miscutil/amr2efr.c	Sun Nov 27 05:20:08 2022 +0000
@@ -13,6 +13,8 @@
 
 extern const uint8_t amr_122_bit_order[244];
 
+static const char amr_file_hdr[] = "#!AMR\n";
+
 main(argc, argv)
 	char **argv;
 {
@@ -30,6 +32,10 @@
 		perror(argv[1]);
 		exit(1);
 	}
+	if (fread(frm_in, 1, 6, inf) != 6 || bcmp(frm_in, amr_file_hdr, 6)) {
+		fprintf(stderr, "error: %s is not in AMR format\n", argv[1]);
+		exit(1);
+	}
 	outf = fopen(argv[2], "w");
 	if (!outf) {
 		perror(argv[2]);