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-rw-r--r--procyon/source/bs/init.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/procyon/source/bs/init.c b/procyon/source/bs/init.c
new file mode 100644
index 0000000..1f4c57e
--- /dev/null
+++ b/procyon/source/bs/init.c
@@ -0,0 +1,51 @@
+#include <acm/gfx.h>
+
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <zap/mem.h>
+
+sig_atomic_t volatile acm_gotintr;
+
+typeof (acm_dat) acm_dat;
+
+static char * acm_getsavloc(void) {
+ char const * const hmdir = getenv("HOME");
+ if (hmdir == nullptr) {
+ fprintf(stderr,"Unable to get home directory (HOME not set)\n");
+ acm_exit(acm_stat_err);
+ }
+ char const * const savfilnm = ".procyon-save";
+ zap_sz const hmdirlen = zap_strlen(hmdir);
+ zap_sz const savfilnmlen = zap_strlen(savfilnm);
+ zap_sz const savloclen = hmdirlen + 0x1u + savfilnmlen;
+ char * savloc = malloc(savloclen + 0x1u);
+ if (savloc == nullptr) {
+ fprintf(stderr,"Unable allocate memory\n");
+ acm_exit(acm_stat_err);
+ }
+ zap_memcp(hmdir,hmdirlen,savloc);
+ savloc[hmdirlen] = '/';
+ zap_memcp(savfilnm,savfilnmlen,savloc + hmdirlen + 0x1u);
+ savloc[savloclen] = 0x0u;
+ return savloc;
+}
+
+static void acm_intrhandl(int const _sig) {
+ signal(_sig,acm_intrhandl); /* Ignore the return value. */
+ acm_gotintr = 0x1;
+}
+
+void acm_init(void) {
+ acm_gotintr = 0x0;
+ acm_dat.gfxisinit = false;
+ acm_dat.win = nullptr;
+ acm_log("Initialising data\n");
+ acm_dat.savloc = acm_getsavloc();
+ acm_log("Initialising signal handlers\n");
+ if (signal(SIGINT,acm_intrhandl) == SIG_ERR) {
+ fprintf(stderr,"Unable to set SIGINT handler\n");
+ acm_exit(acm_stat_err);
+ }
+ acm_initgfx();
+}