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/* Copyright (c) 2004, 2010, Oracle and/or its affiliates.
Copyright (c) 2012, 2022, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
/*
Originally written by Magnus Svensson
*/
/*
Converts a SQL file into a C file that can be compiled and linked
into other programs
*/
#include <my_config.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
/*
This is an internal tool used during the build process only,
- do not make a library just for this,
which would make the Makefiles and the server link
more complex than necessary,
- do not duplicate the code either.
so just add the sql_bootstrap.cc code as is.
*/
#include "../sql/sql_bootstrap.h"
FILE *in, *out;
static void die(const char *fmt, ...)
{
va_list args;
/* Print the error message */
fprintf(stderr, "FATAL ERROR: ");
if (fmt)
{
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
}
else
fprintf(stderr, "unknown error");
fprintf(stderr, "\n");
fflush(stderr);
/* Close any open files */
if (in)
fclose(in);
if (out)
fclose(out);
exit(1);
}
char *fgets_fn(char *buffer, size_t size, fgets_input_t input, int *error)
{
char *line= fgets(buffer, (int)size, (FILE*) input);
if (error)
*error= (line == NULL) ? ferror((FILE*)input) : 0;
return line;
}
#define MAX_COLUMN 16000
static void print_query(FILE *out, const char *query)
{
const char *ptr= query;
int column= 0;
fprintf(out, "\"");
while (*ptr)
{
if (column >= MAX_COLUMN)
{
/* Wrap to the next line, tabulated. */
fprintf(out, "\"\n \"");
column= 2;
}
switch(*ptr)
{
case '\n':
/*
Preserve the \n character in the query text,
and wrap to the next line, tabulated.
*/
fprintf(out, "\\n\"\n \"");
column= 2;
break;
case '\r':
/* Skipped */
break;
case '\"':
fprintf(out, "\\\"");
column+=2;
break;
case '\\':
fprintf(out, "\\\\");
column+=2;
break;
default:
putc(*ptr, out);
column++;
break;
}
ptr++;
}
fprintf(out, "\\n\",\n");
}
static char query[MAX_BOOTSTRAP_QUERY_SIZE];
int main(int argc, char *argv[])
{
char* struct_name= argv[1];
char* infile_name= argv[2];
char* outfile_name= argv[3];
int rc;
int query_length;
int error= 0;
char *err_ptr;
if (argc != 4)
die("Usage: comp_sql <struct_name> <sql_filename> <c_filename>");
/* Open input and output file */
if (!(in= fopen(infile_name, "r")))
die("Failed to open SQL file '%s'", infile_name);
if (!(out= fopen(outfile_name, "w")))
die("Failed to open output file '%s'", outfile_name);
fprintf(out, "/*\n");
fprintf(out, " Do not edit this file, it is automatically generated from:\n");
fprintf(out, " <%s>\n", infile_name);
fprintf(out, "*/\n");
fprintf(out, "#include <stdlib.h>\n"); /* NULL */
fprintf(out, "const char* %s[]={\n", struct_name);
for ( ; ; )
{
rc= read_bootstrap_query(query, &query_length,
(fgets_input_t) in, fgets_fn, 1, &error);
if (rc == READ_BOOTSTRAP_EOF)
break;
if (rc != READ_BOOTSTRAP_SUCCESS)
{
/* Get the most recent query text for reference. */
err_ptr= query + (query_length <= MAX_BOOTSTRAP_ERROR_LEN ?
0 : (query_length - MAX_BOOTSTRAP_ERROR_LEN));
switch (rc)
{
case READ_BOOTSTRAP_ERROR:
die("Failed to read the bootstrap input file. Return code (%d).\n"
"Last query: '%s'\n", error, err_ptr);
break;
case READ_BOOTSTRAP_QUERY_SIZE:
die("Failed to read the boostrap input file. Query size exceeded %d bytes.\n"
"Last query: '%s'.\n", MAX_BOOTSTRAP_LINE_SIZE, err_ptr);
break;
default:
die("Failed to read the boostrap input file. Unknown error.\n");
break;
}
}
print_query(out, query);
}
fprintf(out, "NULL\n};\n");
fclose(in);
fclose(out);
exit(0);
}
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