summaryrefslogtreecommitdiff
path: root/src/internal
diff options
context:
space:
mode:
Diffstat (limited to 'src/internal')
-rw-r--r--src/internal/treebnf_dprintf_impl.c65
-rw-r--r--src/internal/treebnf_dprintf_impl.h10
-rw-r--r--src/internal/treebnf_driver_impl.h127
-rw-r--r--src/internal/treebnf_errinfo_impl.c43
-rw-r--r--src/internal/treebnf_errinfo_impl.h85
-rw-r--r--src/internal/treebnf_tmpfile_impl.c89
-rw-r--r--src/internal/treebnf_tmpfile_impl.h6
-rw-r--r--src/internal/treebnf_visibility_impl.h26
8 files changed, 451 insertions, 0 deletions
diff --git a/src/internal/treebnf_dprintf_impl.c b/src/internal/treebnf_dprintf_impl.c
new file mode 100644
index 0000000..8b24a93
--- /dev/null
+++ b/src/internal/treebnf_dprintf_impl.c
@@ -0,0 +1,65 @@
+/**************************************************************/
+/* treebnf: a tree oriented bnf library */
+/* Copyright (C) 2024 SysDeer Technologies, LLC */
+/* Released under GPLv2 and GPLv3; see COPYING.TREEBNF. */
+/**************************************************************/
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "treebnf_dprintf_impl.h"
+#include "treebnf_visibility_impl.h"
+
+tbnf_hidden int tbnf_dprintf(int fd, const char * fmt, ...)
+{
+ int ret;
+ int cnt;
+ int size;
+ va_list ap;
+ char * ch;
+ char * buf;
+ char chbuf[2048];
+
+ va_start(ap,fmt);
+
+ size = sizeof(chbuf);
+ buf = ((cnt = vsnprintf(chbuf,size,fmt,ap)) < size)
+ ? chbuf : malloc(cnt + 1);
+
+ va_end(ap);
+
+ if (buf == chbuf) {
+ (void)0;
+
+ } else if (buf) {
+ va_start(ap,fmt);
+ vsprintf(buf,fmt,ap);
+ va_end(ap);
+
+ } else {
+ return -1;
+ }
+
+ ret = 0;
+ ch = buf;
+
+ for (; cnt && ret>=0; ) {
+ ret = write(fd,ch,cnt);
+
+ while ((ret < 0) && (errno == EINTR))
+ ret = write(fd,ch,cnt);
+
+ ch += ret;
+ cnt -= ret;
+ }
+
+ ret = (ret < 0) ? -1 : ch - buf;
+
+ if (buf != chbuf)
+ free(buf);
+
+ return ret;
+}
diff --git a/src/internal/treebnf_dprintf_impl.h b/src/internal/treebnf_dprintf_impl.h
new file mode 100644
index 0000000..d00ac0f
--- /dev/null
+++ b/src/internal/treebnf_dprintf_impl.h
@@ -0,0 +1,10 @@
+#ifndef TREEBNF_DPRINTF_IMPL_H
+#define TREEBNF_DPRINTF_IMPL_H
+
+#ifdef ARGV_DRIVER
+#define argv_dprintf tbnf_dprintf
+#endif
+
+int tbnf_dprintf(int fd, const char * fmt, ...);
+
+#endif
diff --git a/src/internal/treebnf_driver_impl.h b/src/internal/treebnf_driver_impl.h
new file mode 100644
index 0000000..7fcdd43
--- /dev/null
+++ b/src/internal/treebnf_driver_impl.h
@@ -0,0 +1,127 @@
+/**************************************************************/
+/* treebnf: a tree oriented bnf library */
+/* Copyright (C) 2024 SysDeer Technologies, LLC */
+/* Released under GPLv2 and GPLv3; see COPYING.TREEBNF. */
+/**************************************************************/
+
+#ifndef TREEBNF_DRIVER_IMPL_H
+#define TREEBNF_DRIVER_IMPL_H
+
+#include <stdint.h>
+#include <dirent.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include <treebnf/treebnf.h>
+#include "argv/argv.h"
+
+#define TBNF_OPTV_ELEMENTS 128
+
+extern const struct argv_option tbnf_default_options[];
+
+enum app_tags {
+ TAG_HELP,
+ TAG_VERSION,
+};
+
+struct tbnf_driver_ctx_impl {
+ struct tbnf_common_ctx cctx;
+ struct tbnf_driver_ctx ctx;
+ struct tbnf_fd_ctx fdctx;
+ int fdtmpin;
+ const struct tbnf_unit_ctx * euctx;
+ const char * eunit;
+ struct tbnf_error_info ** errinfp;
+ struct tbnf_error_info ** erricap;
+ struct tbnf_error_info * erriptr[64];
+ struct tbnf_error_info erribuf[64];
+};
+
+struct tbnf_unit_ctx_impl {
+ const char * path;
+ struct tbnf_unit_ctx uctx;
+ struct tbnf_raw_input map;
+ struct stat st;
+};
+
+
+static inline struct tbnf_driver_ctx_impl * tbnf_get_driver_ictx(
+ const struct tbnf_driver_ctx * dctx)
+{
+ uintptr_t addr;
+
+ if (dctx) {
+ addr = (uintptr_t)dctx - offsetof(struct tbnf_driver_ctx_impl,ctx);
+ return (struct tbnf_driver_ctx_impl *)addr;
+ }
+
+ return 0;
+}
+
+static inline struct tbnf_unit_ctx_impl * tbnf_get_unit_ictx(
+ const struct tbnf_unit_ctx * uctx)
+{
+ struct tbnf_unit_ctx_impl * ictx;
+ uintptr_t addr;
+
+ addr = (uintptr_t)uctx - offsetof(struct tbnf_unit_ctx_impl,uctx);
+ ictx = (struct tbnf_unit_ctx_impl *)addr;
+ return ictx;
+}
+
+static inline void tbnf_driver_set_ectx(
+ const struct tbnf_driver_ctx * dctx,
+ const struct tbnf_unit_ctx * uctx,
+ const char * unit)
+{
+ struct tbnf_driver_ctx_impl * ictx;
+
+ ictx = tbnf_get_driver_ictx(dctx);
+ ictx->euctx = uctx;
+ ictx->eunit = unit;
+}
+
+static inline int tbnf_driver_fdin(const struct tbnf_driver_ctx * dctx)
+{
+ struct tbnf_fd_ctx fdctx;
+ tbnf_lib_get_driver_fdctx(dctx,&fdctx);
+ return fdctx.fdin;
+}
+
+static inline int tbnf_driver_fdout(const struct tbnf_driver_ctx * dctx)
+{
+ struct tbnf_fd_ctx fdctx;
+ tbnf_lib_get_driver_fdctx(dctx,&fdctx);
+ return fdctx.fdout;
+}
+
+static inline int tbnf_driver_fderr(const struct tbnf_driver_ctx * dctx)
+{
+ struct tbnf_fd_ctx fdctx;
+ tbnf_lib_get_driver_fdctx(dctx,&fdctx);
+ return fdctx.fderr;
+}
+
+static inline int tbnf_driver_fdlog(const struct tbnf_driver_ctx * dctx)
+{
+ struct tbnf_fd_ctx fdctx;
+ tbnf_lib_get_driver_fdctx(dctx,&fdctx);
+ return fdctx.fdlog;
+}
+
+static inline int tbnf_driver_fdcwd(const struct tbnf_driver_ctx * dctx)
+{
+ struct tbnf_fd_ctx fdctx;
+ tbnf_lib_get_driver_fdctx(dctx,&fdctx);
+ return fdctx.fdcwd;
+}
+
+static inline int tbnf_driver_fddst(const struct tbnf_driver_ctx * dctx)
+{
+ struct tbnf_fd_ctx fdctx;
+ tbnf_lib_get_driver_fdctx(dctx,&fdctx);
+ return fdctx.fddst;
+}
+
+#endif
diff --git a/src/internal/treebnf_errinfo_impl.c b/src/internal/treebnf_errinfo_impl.c
new file mode 100644
index 0000000..a639f27
--- /dev/null
+++ b/src/internal/treebnf_errinfo_impl.c
@@ -0,0 +1,43 @@
+/**************************************************************/
+/* treebnf: a tree oriented bnf library */
+/* Copyright (C) 2024 SysDeer Technologies, LLC */
+/* Released under GPLv2 and GPLv3; see COPYING.TREEBNF. */
+/**************************************************************/
+
+#include <treebnf/treebnf.h>
+#include "treebnf_driver_impl.h"
+#include "treebnf_errinfo_impl.h"
+#include "treebnf_visibility_impl.h"
+
+tbnf_hidden int tbnf_record_error(
+ const struct tbnf_driver_ctx * dctx,
+ int esyscode,
+ int elibcode,
+ const char * efunction,
+ int eline,
+ unsigned eflags,
+ void * eany)
+{
+ struct tbnf_driver_ctx_impl * ictx;
+ struct tbnf_error_info * erri;
+
+ ictx = tbnf_get_driver_ictx(dctx);
+
+ if (ictx->errinfp == ictx->erricap)
+ return -1;
+
+ *ictx->errinfp = &ictx->erribuf[ictx->errinfp - ictx->erriptr];
+ erri = *ictx->errinfp;
+
+ erri->edctx = dctx;
+ erri->esyscode = esyscode;
+ erri->elibcode = elibcode;
+ erri->efunction = efunction;
+ erri->eline = eline;
+ erri->eflags = eflags;
+ erri->eany = (eany && (esyscode == ENOENT)) ? strdup(eany) : eany;
+
+ ictx->errinfp++;
+
+ return -1;
+}
diff --git a/src/internal/treebnf_errinfo_impl.h b/src/internal/treebnf_errinfo_impl.h
new file mode 100644
index 0000000..45a7e14
--- /dev/null
+++ b/src/internal/treebnf_errinfo_impl.h
@@ -0,0 +1,85 @@
+/**************************************************************/
+/* treebnf: a tree oriented bnf library */
+/* Copyright (C) 2024 SysDeer Technologies, LLC */
+/* Released under GPLv2 and GPLv3; see COPYING.TREEBNF. */
+/**************************************************************/
+
+#ifndef TREEBNF_ERRINFO_IMPL_H
+#define TREEBNF_ERRINFO_IMPL_H
+
+#include <errno.h>
+#include <treebnf/treebnf.h>
+
+int tbnf_record_error(
+ const struct tbnf_driver_ctx *,
+ int esyscode,
+ int elibcode,
+ const char * efunction,
+ int eline,
+ unsigned eflags,
+ void * eany);
+
+#define TBNF_SYSTEM_ERROR(dctx,eany) \
+ tbnf_record_error( \
+ dctx, \
+ errno, \
+ 0, \
+ __func__, \
+ __LINE__, \
+ TBNF_ERROR_TOP_LEVEL, \
+ (void *)eany)
+
+#define TBNF_BUFFER_ERROR(dctx) \
+ tbnf_record_error( \
+ dctx, \
+ ENOBUFS, \
+ 0, \
+ __func__, \
+ __LINE__, \
+ TBNF_ERROR_TOP_LEVEL, \
+ 0)
+
+#define TBNF_SPAWN_ERROR(dctx) \
+ tbnf_record_error( \
+ dctx, \
+ errno, \
+ 0, \
+ __func__, \
+ __LINE__, \
+ TBNF_ERROR_TOP_LEVEL \
+ | (errno ? 0 \
+ : TBNF_ERROR_CHILD), \
+ 0)
+
+#define TBNF_FILE_ERROR(dctx) \
+ tbnf_record_error( \
+ dctx, \
+ EIO, \
+ 0, \
+ __func__, \
+ __LINE__, \
+ TBNF_ERROR_TOP_LEVEL, \
+ 0)
+
+#define TBNF_CUSTOM_ERROR(dctx,elibcode) \
+ tbnf_record_error( \
+ dctx, \
+ 0, \
+ elibcode, \
+ __func__, \
+ __LINE__, \
+ TBNF_ERROR_TOP_LEVEL \
+ | TBNF_ERROR_CUSTOM, \
+ 0)
+
+#define TBNF_NESTED_ERROR(dctx) \
+ tbnf_record_error( \
+ dctx, \
+ 0, \
+ 0, \
+ __func__, \
+ __LINE__, \
+ TBNF_ERROR_NESTED, \
+ 0)
+
+#endif
diff --git a/src/internal/treebnf_tmpfile_impl.c b/src/internal/treebnf_tmpfile_impl.c
new file mode 100644
index 0000000..2a5eb45
--- /dev/null
+++ b/src/internal/treebnf_tmpfile_impl.c
@@ -0,0 +1,89 @@
+/**************************************************************/
+/* treebnf: a tree oriented bnf library */
+/* Copyright (C) 2024 SysDeer Technologies, LLC */
+/* Released under GPLv2 and GPLv3; see COPYING.TREEBNF. */
+/**************************************************************/
+
+#define _GNU_SOURCE
+#include <time.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <inttypes.h>
+
+#include "treebnf_visibility_impl.h"
+
+#define PPRIX64 "%"PRIx64
+
+/* mkostemp might be guarded by non-standard macros */
+/* unless HAVE_NO_MKOSTEMP, assume it is available */
+extern int mkstemp(char *);
+extern int mkostemp(char *, int);
+
+/* __fs_tmpfile() atomically provides a private tmpfile */
+static int tbnf_tmpfile_by_framework(void)
+{
+#ifdef _MIDIPIX_ABI
+ extern int __fs_tmpfile(int);
+ return __fs_tmpfile(O_CLOEXEC);
+#else
+ return (-1);
+#endif
+}
+
+/* O_TMPFILE atomically provides a private tmpfile */
+static int tbnf_tmpfile_by_kernel(void)
+{
+#ifdef O_TMPFILE
+ return openat(AT_FDCWD,"/tmp",O_RDWR|O_TMPFILE|O_CLOEXEC,0);
+#else
+ return (-1);
+#endif
+}
+
+/* mk{o}stemp() provides a non-private tmpfile */
+static int tbnf_mkostemp(char * tmplate)
+{
+ int fd;
+#ifdef HAVE_NO_MKOSTEMP
+ if ((fd = mkstemp(tmplate)) >= 0)
+ fcntl(fd,F_SETFD,FD_CLOEXEC);
+#else
+ fd = mkostemp(tmplate,O_CLOEXEC);
+#endif
+ return fd;
+}
+
+tbnf_hidden int tbnf_tmpfile(void)
+{
+ int fd;
+ void * addr;
+ char tmplate[128];
+
+ /* try with __fs_tmpfile() */
+ if ((fd = tbnf_tmpfile_by_framework()) >= 0)
+ return fd;
+
+ /* try with O_TMPFILE */
+ if ((fd = tbnf_tmpfile_by_kernel()) >= 0)
+ return fd;
+
+ /* fallback to mk{o}stemp */
+ addr = tmplate;
+ memset(tmplate,0,sizeof(tmplate));
+ snprintf(tmplate,sizeof(tmplate),
+ "/tmp/"
+ ".treebnf.tmpfile"
+ ".time."PPRIX64
+ ".salt.%p"
+ ".pid.%d"
+ ".XXXXXXXXXXXX",
+ time(0),
+ addr,
+ getpid());
+
+ return tbnf_mkostemp(tmplate);
+}
diff --git a/src/internal/treebnf_tmpfile_impl.h b/src/internal/treebnf_tmpfile_impl.h
new file mode 100644
index 0000000..c295072
--- /dev/null
+++ b/src/internal/treebnf_tmpfile_impl.h
@@ -0,0 +1,6 @@
+#ifndef TREEBNF_TMPFILE_IMPL_H
+#define TREEBNF_TMPFILE_IMPL_H
+
+int tbnf_tmpfile(void);
+
+#endif
diff --git a/src/internal/treebnf_visibility_impl.h b/src/internal/treebnf_visibility_impl.h
new file mode 100644
index 0000000..9599010
--- /dev/null
+++ b/src/internal/treebnf_visibility_impl.h
@@ -0,0 +1,26 @@
+#ifndef TREEBNF_VISIBILITY_IMPL_H
+#define TREEBNF_VISIBILITY_IMPL_H
+
+/**********************************************************************/
+/* PE targets: __dllexport suffices for the purpose of exporting only */
+/* the desired subset of global symbols; this makes the visibility */
+/* attribute not only redundant, but also tricky if not properly */
+/* supported by the toolchain. */
+/* */
+/* When targeting Midipix, __PE__, __dllexport and __dllimport are */
+/* always defined by the toolchain. Otherwise, the absnece of these */
+/* macros has been detected by sofort's ccenv.sh during ./configure, */
+/* and they have accordingly been added to CFLAGS_OS. */
+/**********************************************************************/
+
+#ifdef __PE__
+#define tbnf_hidden
+#else
+#ifdef _ATTR_VISIBILITY_HIDDEN
+#define tbnf_hidden _ATTR_VISIBILITY_HIDDEN
+#else
+#define tbnf_hidden
+#endif
+#endif
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 22:41:27 +0000