1 /*
2 * $Header: /home/tv/src/debugger/src/datadisp/tv_data_display.c,v 1.4 2010-04-21 15:32:50 tringali Exp $
3 * $Locker: $
4
5 Copyright (c) 2010, Rogue Wave Software, Inc.
6
7 Permission is hereby granted, free of charge, to any person obtaining a copy
8 of this software and associated documentation files (the "Software"), to deal
9 in the Software without restriction, including without limitation the rights
10 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 copies of the Software, and to permit persons to whom the Software is
12 furnished to do so, subject to the following conditions:
13
14 The above copyright notice and this permission notice shall be included in
15 all copies or substantial portions of the Software.
16
17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 THE SOFTWARE.
24
25 * Update log
26 *
27 * Jan 28 2010 SJT: Bug 12100, bump base size to 16K and recognize if it is
28 * resized further.
29 * Sep 24 2009 SJT: Remove pre/post callback to reduce function call overhead.
30 * Jul 1 2009 SJT: Created.
31 *
32 */
33
34 #include <../src/sys/totalview/tv_data_display.h>
35 #include <petscconf.h>
36
37 #include <errno.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <stdio.h>
41
42 #define DATA_FORMAT_BUFFER_SIZE 1048576
43 #define TV_FORMAT_INACTIVE 0
44 #define TV_FORMAT_FIRST_CALL 1
45 #define TV_FORMAT_APPEND_CALL 2
46
47 volatile int TV_data_format_control = TV_FORMAT_INACTIVE;
48
49 /* TV_data_format_buffer should not be static for icc 11, and others */
50 char TV_data_format_buffer[DATA_FORMAT_BUFFER_SIZE];
51 static char *TV_data_buffer_ptr = TV_data_format_buffer;
52
TV_add_row(const char * field_name,const char * type_name,const void * value)53 int TV_add_row(const char *field_name, const char *type_name, const void *value)
54 {
55 size_t remaining;
56 int out;
57
58 /* Called at the wrong time */
59 if (TV_data_format_control == TV_FORMAT_INACTIVE) return EPERM;
60
61 if (strpbrk(field_name, "\n\t")) return EINVAL;
62
63 if (strpbrk(type_name, "\n\t")) return EINVAL;
64
65 if (TV_data_format_control == TV_FORMAT_FIRST_CALL) {
66 /* Zero out the buffer to avoid confusion, and set the write point
67 to the top of the buffer. */
68
69 memset(TV_data_format_buffer, 0, DATA_FORMAT_BUFFER_SIZE);
70 TV_data_buffer_ptr = TV_data_format_buffer;
71 TV_data_format_control = TV_FORMAT_APPEND_CALL;
72 }
73
74 remaining = TV_data_buffer_ptr + DATA_FORMAT_BUFFER_SIZE - TV_data_format_buffer;
75
76 #if defined(PETSC_HAVE__SNPRINTF) && !defined(PETSC_HAVE_SNPRINTF)
77 #define snprintf _snprintf
78 #endif
79 out = snprintf(TV_data_buffer_ptr, remaining, "%s\t%s\t%p\n", field_name, type_name, value);
80
81 if (out < 1) return ENOMEM;
82
83 TV_data_buffer_ptr += out;
84
85 return 0;
86 }
87