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comparison th_util.c @ 0:728243125263

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Import.
author Matti Hamalainen <ccr@tnsp.org>
date Thu, 20 Mar 2008 00:15:03 +0000
parents
children ecfa4e3597e3
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-1:000000000000 0:728243125263
1 /*
2 * Generic utility-functions, macros and defaults
3 * Programmed and designed by Matti 'ccr' Hamalainen
4 * (C) Copyright 2002-2008 Tecnic Software productions (TNSP)
5 *
6 * Please read file 'COPYING' for information on license and distribution.
7 */
8 #ifdef HAVE_CONFIG_H
9 #include <config.h>
10 #endif
11 #include "th_util.h"
12 #include <stdio.h>
13
14 /*
15 * Default settings
16 */
17 #define TH_PROG_NAME "program"
18 #define TH_PROG_FULLNAME "A Program"
19 #define TH_PROG_VERSION "0.0.0"
20 #define TH_PROG_AUTHOR "By Matti 'ccr' Hämäläinen (C) Copyright 2008 TNSP"
21 #define TH_PROG_LICENSE "This software is licensed under GNU GPL version 2"
22
23 BOOL th_isInitialized = FALSE;
24 int th_verbosityLevel = 2;
25 char *th_prog_name = NULL,
26 *th_prog_fullname = NULL,
27 *th_prog_version = NULL,
28 *th_prog_author = NULL,
29 *th_prog_license = NULL;
30
31
32 /* Initialize th_util-library and global variables
33 */
34 void th_init(char *progName, char *progFullName, char *progVersion,
35 char *progAuthor, char *progLicense)
36 {
37 /* Free previous values */
38 if (progName)
39 th_prog_name = progName;
40 else
41 th_prog_name = TH_PROG_NAME;
42
43 if (progFullName)
44 th_prog_fullname = progFullName;
45 else
46 th_prog_fullname = TH_PROG_FULLNAME;
47
48 if (progVersion)
49 th_prog_version = progVersion;
50 else
51 th_prog_version = TH_PROG_VERSION;
52
53 if (progAuthor)
54 th_prog_author = progAuthor;
55 else
56 th_prog_author = TH_PROG_AUTHOR;
57
58 if (progLicense)
59 th_prog_license = progLicense;
60 else
61 th_prog_license = TH_PROG_LICENSE;
62
63 th_isInitialized = TRUE;
64 }
65
66
67 /* Print formatted error, warning and information messages
68 * TODO: Implement th_vfprintf() and friends?
69 */
70 void THERR(const char *pcFormat, ...)
71 {
72 va_list ap;
73 assert(th_isInitialized);
74
75 va_start(ap, pcFormat);
76 fprintf(stderr, "%s: ", th_prog_name);
77 vfprintf(stderr, pcFormat, ap);
78 va_end(ap);
79 }
80
81
82 void THMSG(int verbLevel, const char *pcFormat, ...)
83 {
84 va_list ap;
85 assert(th_isInitialized);
86
87 /* Check if the current verbosity level is enough */
88 if (th_verbosityLevel >= verbLevel) {
89 va_start(ap, pcFormat);
90 fprintf(stderr, "%s: ", th_prog_name);
91 vfprintf(stderr, pcFormat, ap);
92 va_end(ap);
93 }
94 }
95
96
97 void THPRINT(int verbLevel, const char *pcFormat, ...)
98 {
99 va_list ap;
100 assert(th_isInitialized);
101
102 /* Check if the current verbosity level is enough */
103 if (th_verbosityLevel >= verbLevel) {
104 va_start(ap, pcFormat);
105 vfprintf(stderr, pcFormat, ap);
106 va_end(ap);
107 }
108 }
109
110
111 /*
112 * Memory handling routines
113 * TODO: Write alternate implementations for calloc and realloc,
114 * to improve portability to platforms which don't implement them.
115 */
116 void *th_malloc(size_t l)
117 {
118 return malloc(l);
119 }
120
121
122 void *th_calloc(size_t n, size_t l)
123 {
124 return calloc(n, l);
125 }
126
127
128 void *th_realloc(void *p, size_t l)
129 {
130 return realloc(p, l);
131 }
132
133
134 void th_free(void *p)
135 {
136 /* Check for NULL pointers for portability due to some libc
137 * implementations not handling free(NULL) too well.
138 */
139 if (p) free(p);
140 }
141
142
143 #ifndef HAVE_MEMSET
144 void *th_memset(void *p, int c, size_t n)
145 {
146 unsigned char *dp = (unsigned char *) p;
147
148 while (n--)
149 *(dp++) = c;
150
151 return p;
152 }
153 #endif