printing output on SIGINT

src/ccextractor.c

@@ -7,6 +7,7 @@ License: GPL 2.0
 #include "configuration.h"
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <signal.h>
 #include "ffmpeg_intgr.h"
 
 void xds_cea608_test();
@@ -200,6 +201,13 @@ int main_telxcc (int argc, char *argv[]);
 #endif
 LLONG process_raw_with_field (void);
 
+void sigint_handler()
+{
+	if (ccx_options.print_file_reports)
+		print_file_report();
+
+	exit(EXIT_SUCCESS);
+}
 
 
 int main(int argc, char *argv[])
@@ -588,6 +596,8 @@ int main(int argc, char *argv[])
 			fatal (EXIT_UNABLE_TO_DETERMINE_FILE_SIZE, "Failed to determine total file size.\n");
 	}
 
+	m_signal(SIGINT, sigint_handler);
+
 	while (switch_to_next_file(0) && !processed_enough)
 	{
 		prepare_for_new_file();

src/ccextractor.h

@@ -317,6 +317,7 @@ int hex2int (char high, char low);
 void timestamp_to_srttime(uint64_t timestamp, char *buffer);
 void millis_to_date (uint64_t timestamp, char *buffer) ;
 int levenshtein_dist (const uint64_t *s1, const uint64_t *s2, unsigned s1len, unsigned s2len);
+void m_signal(int sig, void (*func)(int));
 
 
 unsigned encode_line (unsigned char *buffer, unsigned char *text);

src/params_dump.c

@@ -204,7 +204,7 @@ void params_dump(void)
 
 }
 
-void print_file_report(void) 
+void print_file_report(void)
 {
 	#define Y_N(cond) ((cond) ? "Yes" : "No")
 
@@ -212,6 +212,12 @@ void print_file_report(void)
 	switch (ccx_options.input_source)
 	{
 		case CCX_DS_FILE:
+			if (current_file < 0)
+			{
+				printf("file is not openened yet\n");
+				return;
+			}
+
 			printf("%s\n", inputfile[current_file]);
 			break;
 		case CCX_DS_STDIN:

src/utility.c

@@ -1,3 +1,4 @@
+#include <signal.h>
 #include "ccextractor.h"
 
 static char *text;
@@ -244,3 +245,16 @@ int hex2int (char high, char low)
 		return -1;
 	return h*16+l;
 }
+
+void m_signal(int sig, void (*func)(int))
+{
+	struct sigaction act;
+	act.sa_handler = func;
+	sigemptyset(&act.sa_mask);
+	act.sa_flags = 0;
+
+	if (sigaction(sig, &act, NULL))
+		perror("sigaction() error");
+
+	return;
+}