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-rw-r--r--mariadb-connector-c-v_2.3.7/libmariadb/my_vsnprintf.c119
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diff --git a/mariadb-connector-c-v_2.3.7/libmariadb/my_vsnprintf.c b/mariadb-connector-c-v_2.3.7/libmariadb/my_vsnprintf.c
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index 0000000..46cbc9d
--- /dev/null
+++ b/mariadb-connector-c-v_2.3.7/libmariadb/my_vsnprintf.c
@@ -0,0 +1,119 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, write to the Free
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ MA 02111-1301, USA */
+
+#include "mysys_priv.h"
+#include "mysys_err.h"
+#include <m_string.h>
+#include <stdarg.h>
+#include <m_ctype.h>
+
+
+int my_snprintf(char* to, size_t n, const char* fmt, ...)
+{
+ int result;
+ va_list args;
+ va_start(args,fmt);
+ result= my_vsnprintf(to, n, fmt, args);
+ va_end(args);
+ return result;
+}
+
+
+int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
+{
+ char *start=to, *end=to+n-1;
+ for (; *fmt ; fmt++)
+ {
+ if (fmt[0] != '%')
+ {
+ if (to == end) /* End of buffer */
+ break;
+ *to++= *fmt; /* Copy ordinary char */
+ continue;
+ }
+ /* Skipp if max size is used (to be compatible with printf) */
+ fmt++;
+ while (isdigit(*fmt) || *fmt == '.' || *fmt == '-')
+ fmt++;
+ if (*fmt == 'l')
+ fmt++;
+ if (*fmt == 's') /* String parameter */
+ {
+ reg2 char *par = va_arg(ap, char *);
+ uint plen;
+ if (!par) par = (char*)"(null)";
+ plen = (uint) strlen(par);
+ if ((uint) (end-to) > plen) /* Replace if possible */
+ {
+ to=strmov(to,par);
+ continue;
+ }
+ }
+ else if (*fmt == 'd' || *fmt == 'u') /* Integer parameter */
+ {
+ register int iarg;
+ if ((uint) (end-to) < 16)
+ break;
+ iarg = va_arg(ap, int);
+ if (*fmt == 'd')
+ to=int10_to_str((long) iarg,to, -10);
+ else
+ to=int10_to_str((long) (uint) iarg,to,10);
+ continue;
+ }
+ /* We come here on '%%', unknown code or too long parameter */
+ if (to == end)
+ break;
+ *to++='%'; /* % used as % or unknown code */
+ }
+ *to='\0'; /* End of errmessage */
+ return (uint) (to - start);
+}
+
+
+#ifdef MAIN
+static void my_printf(const char * fmt, ...)
+{
+ char buf[32];
+ int n;
+ va_list ar;
+ va_start(ar, fmt);
+ n = my_vsnprintf(buf, sizeof(buf),fmt, ar);
+ printf(buf);
+ printf("n=%d, strlen=%d\n", n, strlen(buf));
+ va_end(ar);
+}
+
+
+int main()
+{
+
+ my_printf("Hello\n");
+ my_printf("Hello int, %d\n", 1);
+ my_printf("Hello string '%s'\n", "I am a string");
+ my_printf("Hello hack hack hack hack hack hack hack %d\n", 1);
+ my_printf("Hello %d hack %d\n", 1, 4);
+ my_printf("Hello %d hack hack hack hack hack %d\n", 1, 4);
+ my_printf("Hello '%s' hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh\n", "hack");
+ my_printf("Hello hhhhhhhhhhhhhh %d sssssssssssssss\n", 1);
+ my_printf("Hello %u\n", 1);
+ my_printf("conn %ld to: '%-.64s' user: '%-.32s' host:\
+ `%-.64s' (%-.64s)", 1, 0,0,0,0);
+ return 0;
+}
+#endif
+