Fixed string to decimal conversion for binary protocol.

9EOR9 · 9EOR9 · commit eec5fa1ca3c8 · 2020-05-11T13:37:30.000+02:00
diff --git a/src/mariadb_codecs.c b/src/mariadb_codecs.c
@@ -697,10 +697,14 @@ field_fetch_callback(void *data, unsigned int column, unsigned char **row)
 
                 if (length > 0)
                 {
-                    self->values[column]= PyObject_CallFunction(decimal_type, "s", (const char *)*row);
+                    char *tmp= alloca(length + 1);
+                    memcpy(tmp, (const char *)*row, length);
+                    tmp[length]= 0;
+                    self->values[column]= PyObject_CallFunction(decimal_type, "s", tmp);
                 } else {
                     self->values[column]= PyObject_CallFunction(decimal_type, "s", "0");
                 }
+                *row+= length;
                 break;
             }
         case MYSQL_TYPE_GEOMETRY:

Original file line number	Diff line number	Diff line change
`@@ -697,10 +697,14 @@ field_fetch_callback(void data, unsigned int column, unsigned char *row)`
`697`	`697`
`698`	`698`	`if (length > 0)`
`699`	`699`	`{`
`700`		`- self->values[column]= PyObject_CallFunction(decimal_type, "s", (const char )row);`
	`700`	`+ char *tmp= alloca(length + 1);`
	`701`	`+ memcpy(tmp, (const char )row, length);`
	`702`	`+ tmp[length]= 0;`
	`703`	`+ self->values[column]= PyObject_CallFunction(decimal_type, "s", tmp);`
`701`	`704`	`} else {`
`702`	`705`	`self->values[column]= PyObject_CallFunction(decimal_type, "s", "0");`
`703`	`706`	`}`
	`707`	`+ *row+= length;`
`704`	`708`	`break;`
`705`	`709`	`}`
`706`	`710`	`case MYSQL_TYPE_GEOMETRY:`