forked from github/server
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*
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Copyright (c) 1998-2010, Enno Rehling <enno@eressea.de>
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Katja Zedel <katze@felidae.kn-bremen.de
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Christian Schlittchen <corwin@amber.kn-bremen.de>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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**/
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#include <platform.h>
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#include "sql.h"
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#include "log.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static FILE *sqlstream = NULL;
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static char *sqlfilename = NULL;
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void sql_init(const char *filename)
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{
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if (sqlfilename != NULL)
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free(sqlfilename);
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sqlfilename = _strdup(filename);
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}
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void _sql_print(const char *format, ...)
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{
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if (!sqlstream && sqlfilename) {
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sqlstream = fopen(sqlfilename, "wt+");
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free(sqlfilename);
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sqlfilename = NULL;
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}
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if (sqlstream != NULL) {
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va_list marker;
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va_start(marker, format);
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vfprintf(sqlstream, format, marker);
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va_end(marker);
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}
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}
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void sql_done(void)
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{
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if (sqlstream)
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fclose(sqlstream);
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if (sqlfilename)
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free(sqlfilename);
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sqlstream = NULL;
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sqlfilename = NULL;
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}
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const char *sqlquote(const char *str)
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{
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#define BUFFERS 4
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#define BUFSIZE 1024
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static char sqlstring[BUFSIZE * BUFFERS]; /* STATIC_RESULT: used for return, not across calls */
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static int index = 0; /* STATIC_XCALL: used across calls */
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char *start = sqlstring + index * BUFSIZE;
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char *o = start;
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const char *i = str;
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while (*i && o - start < BUFSIZE - 1) {
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if (*i != '\'' && *i != '\"') {
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*o++ = *i++;
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} else
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++i;
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}
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*o = '\0';
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index = (index + 1) % BUFFERS;
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return start;
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}
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