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Clang 16 will not allow implicit int function defitions by default.
This patch gives all functions a proper definitons.
See also: https://wiki.gentoo.org/wiki/Modern_C_porting
Bug: https://bugs.gentoo.org/878611
Upstream PR: https://github.com/jduerstock/zoo/pull/1
--- a/fiz.c
+++ b/fiz.c
@@ -24,6 +24,7 @@ file by supplying the offset of the file.
void prtctrl ();
void prtch ();
+int
main(argc,argv)
register int argc;
register char **argv;
--- a/mstime.i
+++ b/mstime.i
@@ -12,6 +12,7 @@ static char mstimeid[]="@(#) mstime.i 2.2 88/01/24 12:47:58";
Function mstime() converts time in seconds since January 1 of BASEYEAR
to MS-DOS format date and time.
*/
+void
mstime(longtime, date, time)
long longtime; /* input: seconds since Jan 1, BASEYEAR */
int *date, *time; /* output: MS-DOS format date and time */
--- a/zoo.c
+++ b/zoo.c
@@ -44,6 +44,7 @@ int next_arg = FIRST_ARG; /* filenames start at this position */
int arg_count; /* count of arguments supplied to program */
char **arg_vector; /* vector of arguments supplied to program */
+int
main(argc,argv)
register int argc;
register char **argv;
--- a/zoofilt.c
+++ b/zoofilt.c
@@ -41,8 +41,10 @@ char *option;
unsigned int filetag; /* tag stored in input */
int stat1, stat2, stat3; /* status codes */
int use_lzh = 0; /* use lzh instead */
- extern lzc(), lzh_encode(); /* possible encoders */
- extern lzd(), lzh_decode(); /* and decoders */
+ extern int lzc(); /* possible encoders */
+ extern int lzh_encode();
+ extern int lzd(); /* and decoders */
+ extern int lzh_decode();
while (*++option) {
switch (*option) {
--- a/nixtime.i
+++ b/nixtime.i
@@ -20,7 +20,7 @@
Function gettime() gets the date and time of the file handle supplied.
Date and time is in MSDOS format.
*/
-int gettime (file, date, time)
+void gettime (file, date, time)
ZOOFILE file;
unsigned *date, *time;
{
--- a/zoofns.h
+++ b/zoofns.h
@@ -46,7 +46,7 @@
int exists PARMS ((char *));
int getfile PARMS ((ZOOFILE, ZOOFILE, long, int));
int getutime PARMS ((char *, unsigned *, unsigned *));
-int gettime PARMS ((ZOOFILE, unsigned *, unsigned *));
+void gettime PARMS ((ZOOFILE, unsigned *, unsigned *));
T_SIGNAL handle_break PARMS ((int));
#ifdef USE_ASCII
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