207 lines
7.1 KiB
C
207 lines
7.1 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Minimal reimplementation of GLib for libslirp.
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*
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*
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*
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* Authors: RichardG, <richardg867@gmail.com>
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*
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* Copyright 2020 RichardG.
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*/
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#ifndef TINYGLIB_H
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#define TINYGLIB_H
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/* Define this to bypass TinyGLib and use full GLib instead. */
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#ifdef TINYGLIB_USE_GLIB
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# include <glib.h>
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#else
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# include <stdarg.h>
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# include <stdint.h>
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# include <stdio.h>
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# include <stdlib.h>
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# define HAVE_STDARG_H
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# include <86box/86box.h>
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/* Definitions */
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# define G_LITTLE_ENDIAN 1234
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# define G_BIG_ENDIAN 4321
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# define G_PDP_ENDIAN 3412
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# ifdef __BYTE_ORDER__
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# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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# define G_BYTE_ORDER G_LITTLE_ENDIAN
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# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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# define G_BYTE_ORDER G_BIG_ENDIAN
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# elif __BYTE_ORDER__ == __ORDER_PDP_ENDIAN__
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# define G_BYTE_ORDER G_PDP_ENDIAN
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# endif
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# endif
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# ifndef G_BYTE_ORDER
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/* Safe to assume LE for MSVC, as Windows is LE on all architectures. */
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# define G_BYTE_ORDER G_LITTLE_ENDIAN
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# endif
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# ifdef _WIN32
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# define G_OS_WIN32 1
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# else
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# define G_OS_UNIX 1
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# endif
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# define G_SPAWN_SEARCH_PATH 0
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# if defined(__LP64__) || defined(__LLP64__) || defined(_WIN64)
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# define GLIB_SIZEOF_VOID_P 8
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# if defined(__LLP64__) || defined(_WIN64)
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# define GLIB_SIZEOF_LONG 4
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# else
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# define GLIB_SIZEOF_LONG 8
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# endif
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# define GLIB_SIZEOF_SIZE_T 8
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# define GLIB_SIZEOF_SSIZE_T 8
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# else
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# define GLIB_SIZEOF_VOID_P 4
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# define GLIB_SIZEOF_LONG 4
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# define GLIB_SIZEOF_SIZE_T 4
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# define GLIB_SIZEOF_SSIZE_T 4
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# endif
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/* Types */
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/* Windows does not define ssize_t, so we need to define it here. */
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# ifndef _SSIZE_T_DEFINED
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# define _SSIZE_T_DEFINED
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# undef ssize_t
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# ifdef _WIN64
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# define ssize_t int64_t
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# else
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# define ssize_t int32_t
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# endif
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# endif
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# define gboolean int
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# define gchar char
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# define gint int
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# define gint16 int16_t
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# define gint32 int32_t
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# define gint64 int64_t
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# define glong long
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# define GPid void *
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# define gpointer void *
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# define gsize size_t
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# define GSpawnFlags void *
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# define GSpawnChildSetupFunc void *
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# define gssize ssize_t
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# define GString char
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# define GStrv char **
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# define guint unsigned int
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# define guint16 uint16_t
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# define guint32 uint32_t
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# define guint64 uint64_t
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typedef struct _GDebugKey {
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char key[32];
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int val;
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} GDebugKey;
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typedef struct _GError {
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char message[1];
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} GError;
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typedef struct _GRand {
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uint8_t dummy;
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} GRand;
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/* Functions */
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extern gboolean g_spawn_async_with_fds(const gchar *working_directory, gchar **argv,
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gchar **envp, GSpawnFlags flags,
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GSpawnChildSetupFunc child_setup,
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gpointer user_data, GPid *child_pid, gint stdin_fd,
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gint stdout_fd, gint stderr_fd, GError **error);
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extern gboolean g_str_has_prefix (const gchar *str,
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const gchar *prefix);
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extern GString *g_string_new(gchar *base);
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extern gchar *g_string_free(GString *string, gboolean free_segment);
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extern gchar *g_strstr_len(const gchar *haystack, gssize haystack_len, const gchar *needle);
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extern guint g_strv_length(gchar **str_array);
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/* Macros */
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# define tinyglib_pclog(f, s, ...) pclog("TinyGLib " f "(): " s "\n", ##__VA_ARGS__)
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# define GLIB_CHECK_VERSION(a, b, c) 1
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# ifdef __GNUC__
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# define G_GNUC_PRINTF(format_idx, arg_idx) __attribute__((__format__(__printf__, format_idx, arg_idx)))
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# else
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# define G_GNUC_PRINTF(format_idx, arg_idx)
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# endif
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# define G_N_ELEMENTS(arr) (sizeof(arr) / sizeof((arr)[0]))
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# define G_STATIC_ASSERT(e) /* this should probably do something */
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# define G_UNLIKELY(e) (e)
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# define g_assert(e) \
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do { \
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if (!(e)) \
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fatal("TinyGLib g_assert(" #e ")\n"); \
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} while (0)
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# ifdef __GNUC__
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# define g_assert_not_reached __builtin_unreachable
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# else
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# ifdef _MSC_VER
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# define g_assert_not_reached() __assume(0)
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# else
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# define g_assert_not_reached()
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# endif
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# endif
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# define g_critical(s, ...) fatal("TinyGLib g_critical(): " s "\n", ##__VA_ARGS__)
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# ifdef TINYGLIB_DEBUG
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# define g_debug(s, ...) tinyglib_pclog("g_debug", s, ##__VA_ARGS__)
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# else
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# define g_debug(s, ...)
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# endif
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# define g_error(s, ...) tinyglib_pclog("g_error", s, ##__VA_ARGS__)
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# define g_error_free(err)
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# define g_malloc0(s) calloc(1, s)
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# define g_new(t, n) (t *) malloc(sizeof(t) * n)
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# define g_new0(t, n) (t *) calloc(n, sizeof(t))
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# ifdef TINYGLIB_DEBUG
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# define g_parse_debug_string(s, k, n) ((!!sizeof(k)) * -1) /* unimplemented; always enables all debug flags */
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# else
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# define g_parse_debug_string(s, k, n) (!sizeof(k))
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# endif
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# define g_rand_int_range(r, min, max) (rand() % (max + 1 - min) + min)
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# define g_rand_new() calloc(1, sizeof(GRand))
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# define g_return_val_if_fail(e, v) \
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if (!(e)) \
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return (v)
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# define g_shell_parse_argv(a, b, c, d) !!(sizeof(b)) /* unimplemented */
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# define g_strdup(str) ((str) ? strdup(str) : NULL)
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# define g_warn_if_fail(e) \
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do { \
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if (!(e)) \
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pclog("TinyGLib g_warn_if_fail(" #e ")\n"); \
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} while (0)
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# define g_warn_if_reached() pclog("TinyGLib g_warn_if_reached()\n")
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# define g_warning(s, ...) tinyglib_pclog("g_warning", s, ##__VA_ARGS__)
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/* Remapped functions */
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# define g_free free
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# define g_getenv getenv
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# define g_malloc malloc
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# define g_rand_free free
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# define g_realloc realloc
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# define g_snprintf snprintf
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# define g_strerror strerror
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# define g_strfreev free
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# define g_string_append_printf sprintf /* unimplemented */
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# define g_vsnprintf vsnprintf
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#endif
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#endif
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