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/***********************************************************/
/* ntux: native translation und extension */
/* Copyright (C) 2016 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTUX. */
/***********************************************************/
#include <ntapi/ntapi.h>
#include <psxscl/psxscl.h>
#include <stdint.h>
#include <ntux/ntux.h>
#include "ntux_init_impl.h"
#include "ntux_nolibc_impl.h"
#define ARGV_DRIVER
#include "ntux_version.h"
#include "ntux_driver_impl.h"
#include "argv/argv.h"
/* framework integration */
#include <psxtypes/section/midipix.h>
__attr_section_decl__(".midipix")
static const nt_tty_affiliation tty_affiliation
__attr_section__(".midipix")
= NT_TTY_AFFILIATION_DEFAULT;
/* ntapi accessor table */
const ntapi_vtbl * ntux_ntapi;
/* package info */
static const struct ntux_source_version ntux_src_version = {
NTUX_TAG_VER_MAJOR,
NTUX_TAG_VER_MINOR,
NTUX_TAG_VER_PATCH,
NTUX_GIT_VERSION
};
struct ntux_driver_ctx_alloc {
struct argv_meta * meta;
struct ntux_driver_ctx_impl ctx;
uint64_t guard;
const char * units[];
};
static uint32_t ntux_argv_flags(uint32_t flags)
{
uint32_t ret = 0;
if (flags & NTUX_DRIVER_VERBOSITY_NONE)
ret |= ARGV_VERBOSITY_NONE;
if (flags & NTUX_DRIVER_VERBOSITY_ERRORS)
ret |= ARGV_VERBOSITY_ERRORS;
if (flags & NTUX_DRIVER_VERBOSITY_STATUS)
ret |= ARGV_VERBOSITY_STATUS;
return ret;
}
static int ntux_driver_usage(
const char * program,
const char * arg,
const struct argv_option * options,
struct argv_meta * meta)
{
char header[512];
snprintf(header,sizeof(header),
"Usage: %s [options] <file>...\n" "Options:\n",
program);
argv_usage(stdout,header,options,arg);
argv_free(meta);
return NTUX_USAGE;
}
static struct ntux_driver_ctx_impl * ntux_driver_ctx_alloc(
struct argv_meta * meta,
const struct ntux_common_ctx * cctx,
size_t nunits)
{
struct ntux_driver_ctx_alloc * ictx;
size_t size;
struct argv_entry * entry;
const char ** units;
int elements;
(void)tty_affiliation;
size = sizeof(struct ntux_driver_ctx_alloc);
size += (nunits+1)*sizeof(const char *);
if (!(ictx = calloc(1,size)))
return 0;
elements = sizeof(ictx->ctx.erribuf) / sizeof(*ictx->ctx.erribuf);
ictx->ctx.errinfp = &ictx->ctx.erriptr[0];
ictx->ctx.erricap = &ictx->ctx.erriptr[--elements];
if (cctx)
memcpy(&ictx->ctx.cctx,cctx,sizeof(*cctx));
for (entry=meta->entries,units=ictx->units; entry->fopt || entry->arg; entry++)
if (!entry->fopt)
*units++ = entry->arg;
ictx->meta = meta;
ictx->ctx.ctx.units = ictx->units;
ictx->ctx.ctx.errv = ictx->ctx.errinfp;
return &ictx->ctx;
}
static int ntux_get_driver_ctx_fail(struct argv_meta * meta)
{
argv_free(meta);
return -1;
}
int ntux_get_driver_ctx(
char ** argv,
char ** envp,
uint32_t flags,
struct ntux_driver_ctx ** pctx)
{
struct ntux_driver_ctx_impl * ctx;
struct ntux_common_ctx cctx;
const struct argv_option * options;
struct argv_meta * meta;
struct argv_entry * entry;
size_t nunits;
const char * program;
(void)envp;
options = ntux_default_options;
if (ntux_init())
return -1;
if (!(meta = argv_get(argv,options,ntux_argv_flags(flags))))
return -1;
nunits = 0;
program = argv_program_name(argv[0]);
memset(&cctx,0,sizeof(cctx));
cctx.drvflags = flags;
if (!argv[1] && (flags & NTUX_DRIVER_VERBOSITY_USAGE))
return ntux_driver_usage(program,0,options,meta);
/* get options, count units */
for (entry=meta->entries; entry->fopt || entry->arg; entry++) {
if (entry->fopt) {
switch (entry->tag) {
case TAG_HELP:
if (flags & NTUX_DRIVER_VERBOSITY_USAGE)
return ntux_driver_usage(program,entry->arg,options,meta);
case TAG_VERSION:
cctx.drvflags |= NTUX_DRIVER_VERSION;
break;
}
} else
nunits++;
}
if (!(ctx = ntux_driver_ctx_alloc(meta,&cctx,nunits)))
return ntux_get_driver_ctx_fail(meta);
ctx->ctx.program = program;
ctx->ctx.cctx = &ctx->cctx;
*pctx = &ctx->ctx;
return NTUX_OK;
}
int ntux_create_driver_ctx(
const struct ntux_common_ctx * cctx,
struct ntux_driver_ctx ** pctx)
{
struct argv_meta * meta;
struct ntux_driver_ctx_impl * ctx;
char * argv[] = {"ntux_driver",0};
if (ntux_init())
return -1;
if (!(meta = argv_get(argv,ntux_default_options,0)))
return -1;
if (!(ctx = ntux_driver_ctx_alloc(meta,cctx,0)))
return ntux_get_driver_ctx_fail(0);
ctx->ctx.cctx = &ctx->cctx;
memcpy(&ctx->cctx,cctx,sizeof(*cctx));
*pctx = &ctx->ctx;
return NTUX_OK;
}
static void ntux_free_driver_ctx_impl(struct ntux_driver_ctx_alloc * ictx)
{
argv_free(ictx->meta);
free(ictx);
}
void ntux_free_driver_ctx(struct ntux_driver_ctx * ctx)
{
struct ntux_driver_ctx_alloc * ictx;
uintptr_t addr;
if (ctx) {
addr = (uintptr_t)ctx - offsetof(struct ntux_driver_ctx_impl,ctx);
addr = addr - offsetof(struct ntux_driver_ctx_alloc,ctx);
ictx = (struct ntux_driver_ctx_alloc *)addr;
ntux_free_driver_ctx_impl(ictx);
}
}
const struct ntux_source_version * ntux_source_version(void)
{
return &ntux_src_version;
}
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