mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-29 23:52:22 +00:00
135 lines
2.6 KiB
C
135 lines
2.6 KiB
C
#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <QF/progs.h>
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#include <QF/zone.h>
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#define RETURN_EDICT(p, e) ((p)->pr_globals[OFS_RETURN].int_var = EDICT_TO_PROG(p, e))
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#define RETURN_STRING(p, s) ((p)->pr_globals[OFS_RETURN].int_var = PR_SetString((p), s))
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float *read_result; //FIXME: eww
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static void
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bi_fixme (progs_t *pr)
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{
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PR_Error (pr, "unimplemented function\n");
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}
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static void
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bi_print (progs_t *pr)
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{
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char *str;
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str = G_STRING (pr, (OFS_PARM0));
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fprintf (stdout, "%s", str);
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}
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static void
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bi_GarbageCollect (progs_t *pr)
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{
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PR_GarbageCollect (pr);
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}
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static void
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bi_errno (progs_t *pr)
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{
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G_FLOAT (pr, OFS_RETURN) = errno;
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}
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static void
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bi_strerror (progs_t *pr) // FIXME: make INT when qc int
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{
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int err = G_FLOAT (pr, OFS_PARM0);
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RETURN_STRING (pr, strerror (err));
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}
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static void
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bi_open (progs_t *pr) // FIXME: make INT when qc int
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{
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char *path = G_STRING (pr, OFS_PARM0);
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int flags = G_FLOAT (pr, OFS_PARM1);
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int mode = G_FLOAT (pr, OFS_PARM2);
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G_INT (pr, OFS_RETURN) = open (path, flags, mode);
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}
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static void
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bi_close (progs_t *pr) // FIXME: make INT when qc int
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{
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int handle = G_INT (pr, OFS_PARM0);
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G_FLOAT (pr, OFS_RETURN) = close (handle);
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}
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static void
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bi_read (progs_t *pr) // FIXME: make INT when qc int
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{
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int handle = G_INT (pr, OFS_PARM0);
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int count = G_FLOAT (pr, OFS_PARM1);
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int res;
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char *buffer;
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buffer = Hunk_TempAlloc (count);
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if (!buffer)
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PR_Error (pr, "%s: couldn't allocate %d bytes", "bi_read", count);
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res = read (handle, buffer, count);
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if (res != -1) // FIXME: this just won't work :/
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RETURN_STRING (pr, buffer);
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*read_result = res;
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}
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static void
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bi_write (progs_t *pr) // FIXME: make INT when qc int
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{
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int handle = G_INT (pr, OFS_PARM0);
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char *buffer = G_STRING (pr, OFS_PARM1);
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int count = G_FLOAT (pr, OFS_PARM2);
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G_FLOAT (pr, OFS_RETURN) = write (handle, buffer, count);
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}
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static void
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bi_seek (progs_t *pr) // FIXME: make INT when qc int
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{
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int handle = G_INT (pr, OFS_PARM0);
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int pos = G_FLOAT (pr, OFS_PARM1);
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int whence = G_FLOAT (pr, OFS_PARM2);
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G_FLOAT (pr, OFS_RETURN) = lseek (handle, pos, whence);
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}
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static void
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bi_traceon (progs_t *pr)
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{
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pr->pr_trace = true;
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}
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static void
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bi_traceoff (progs_t *pr)
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{
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pr->pr_trace = false;
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}
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builtin_t builtins[] = {
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bi_fixme,
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bi_print,
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bi_GarbageCollect,
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bi_errno,
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bi_strerror,
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bi_open,
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bi_close,
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bi_read,
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bi_write,
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bi_seek,
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bi_traceon,
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bi_traceoff,
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};
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void
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BI_Init (progs_t *progs)
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{
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progs->builtins = builtins;
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progs->numbuiltins = sizeof (builtins) / sizeof (builtins[0]);
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}
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