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Fix build failure with GCC 15 (-std=gnu23) #53

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Fix build failure with GCC 15 (-std=gnu23) #53

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832292c
gpm.h: fix Gpm_Wgetch prototype for C23/GCC 15 compatibility
texasich Apr 8, 2026
666405d
Fix function declaration for old_main to use void
texasich Apr 8, 2026
41f7520
Change old_main function signature to include void
texasich Apr 8, 2026
adf5a2d
Change gpm_convert_event parameter type to unsigned char
texasich Apr 8, 2026
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2 changes: 1 addition & 1 deletion src/daemon/old_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -39,7 +39,7 @@
#endif


int old_main()
int old_main(void)
{
int ctlfd, newfd;
struct sockaddr_un ctladdr;
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4 changes: 2 additions & 2 deletions src/headers/daemon.h
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Expand Up @@ -204,7 +204,7 @@ void gpm_exited(void);
void gpm_killed(int signo);

int open_console(const int mode);
int old_main();
int old_main(void);

int processConn(int fd);
int processMouse(int fd, Gpm_Event *event, Gpm_Type *type, int kd_mode);
Expand Down Expand Up @@ -234,7 +234,7 @@ void check_uniqueness(void);
void check_kill(void);

/* gpm.c */
int old_main();
int old_main(void);


#endif
5 changes: 4 additions & 1 deletion src/headers/gpm.h
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Expand Up @@ -268,7 +268,10 @@ Gpm_Roi * Gpm_LowerRoi(Gpm_Roi *which, Gpm_Roi *after);
/* libcurses.c */
/* #include <curses.h> Hmm... seems risky */

extern int Gpm_Wgetch();
/* Forward-declare ncurses WINDOW type for C23 compatibility.
* In C23, empty () means (void), so we need a proper prototype. */
struct _win_st;
extern int Gpm_Wgetch(struct _win_st *);
#define Gpm_Getch() (Gpm_Wgetch(NULL))

/* libxtra.c */
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2 changes: 1 addition & 1 deletion src/lib/libcurses.c
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Expand Up @@ -95,7 +95,7 @@ static Gpm_Event ev;
/* JD patch 11/08/1998 */
#define MAXNBPREVCHAR 4 /* I don't think more is usefull, JD */
static int nbprevchar=0, prevchar[MAXNBPREVCHAR];
extern int gpm_convert_event(char *data, Gpm_Event *event);
extern int gpm_convert_event(unsigned char *data, Gpm_Event *event);
int c; unsigned char mdata[4];

/* JD patch 11/08/1998 */
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