2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /* Copyright (c) 1988 AT&T */
23 /* All Rights Reserved */
24
25
26 #ifndef _MACROS_H
27 #define _MACROS_H
28
29 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3.1.7 */
30
31 #include <sys/types.h>
32 #include <sys/stat.h>
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 /*
39 * numeric() is useful in while's, if's, etc., but don't use *p++
40 * max() and min() depend on the types of the operands
41 * abs() is absolute value
42 */
43 #define numeric(c) ((c) >= '0' && (c) <= '9')
44 #define max(a, b) ((a) < (b) ? (b) : (a))
45 #define min(a, b) ((a) > (b) ? (b) : (a))
46 #define abs(x) ((x) >= 0 ? (x) : -(x))
47
48 #define compare(str1, str2) strcmp((str1), (str2))
49 #define equal(str1, str2) (strcmp((str1), (str2)) == 0)
50 #define length(str) strlen(str)
53 /*
54 * The global variable Statbuf is available for use as a stat(II)
55 * structure. Note that "stat.h" is included here and should
56 * not be included elsewhere.
57 * Exists(file) returns 0 if the file does not exist;
58 * the flags word if it does (the flags word is always non-zero).
59 */
60
61 extern struct stat Statbuf;
62 #define exists(file) (stat(file, &Statbuf) < 0 ? 0 : Statbuf.st_mode)
63
64 /*
65 * SAVE() and RSTR() use local data in nested blocks.
66 * Make sure that they nest cleanly.
67 */
68 #define SAVE(name, place) { int place = name;
69 #define RSTR(name, place) name = place; }
70
71 /*
72 * Use: DEBUG(sum,d) which becomes fprintf(stderr,"sum = %d\n",sum)
73 *
74 * Note: Sccsid[] strings are still supported but not the prefered
75 * method of labeling files. Use #ident.
76 */
77 #ifdef __STDC__
78 #define DEBUG(var, type) fprintf(stderr, #var "= %" #type "\n", var)
79 #define SCCSID(arg) static char Sccsid[] = #arg
80 #else
81 #define DEBUG(var, type) fprintf(stderr, "var = %type\n", var)
82 #define SCCSID(arg) static char Sccsid[] = "arg"
83 #endif
84
85 /*
86 * Use of ERRABORT() will cause libS.a internal
87 * errors to cause aborts
88 */
89 #define ERRABORT() _error() { abort(); }
90
91 /*
92 * Use of USXALLOC() is required to force all calls to alloc()
93 * (e.g., from libS.a) to call xalloc().
94 */
95 #define NONBLANK(p) while (*(p) == ' ' || *(p) == '\t') (p)++
96
97 /*
98 * A global null string.
99 */
100 extern char Null[1];
101
102 /*
103 * A global error message string.
|
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
24 */
25 /* Copyright (c) 1988 AT&T */
26 /* All Rights Reserved */
27
28
29 #ifndef _MACROS_H
30 #define _MACROS_H
31
32 #include <sys/types.h>
33 #include <sys/stat.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 /*
40 * numeric() is useful in while's, if's, etc., but don't use *p++
41 * max() and min() depend on the types of the operands
42 * abs() is absolute value
43 */
44 #define numeric(c) ((c) >= '0' && (c) <= '9')
45 #define max(a, b) ((a) < (b) ? (b) : (a))
46 #define min(a, b) ((a) > (b) ? (b) : (a))
47 #define abs(x) ((x) >= 0 ? (x) : -(x))
48
49 #define compare(str1, str2) strcmp((str1), (str2))
50 #define equal(str1, str2) (strcmp((str1), (str2)) == 0)
51 #define length(str) strlen(str)
54 /*
55 * The global variable Statbuf is available for use as a stat(II)
56 * structure. Note that "stat.h" is included here and should
57 * not be included elsewhere.
58 * Exists(file) returns 0 if the file does not exist;
59 * the flags word if it does (the flags word is always non-zero).
60 */
61
62 extern struct stat Statbuf;
63 #define exists(file) (stat(file, &Statbuf) < 0 ? 0 : Statbuf.st_mode)
64
65 /*
66 * SAVE() and RSTR() use local data in nested blocks.
67 * Make sure that they nest cleanly.
68 */
69 #define SAVE(name, place) { int place = name;
70 #define RSTR(name, place) name = place; }
71
72 /*
73 * Use: DEBUG(sum,d) which becomes fprintf(stderr,"sum = %d\n",sum)
74 */
75 #define DEBUG(var, type) fprintf(stderr, #var "= %" #type "\n", var)
76
77 /*
78 * Use of ERRABORT() will cause libS.a internal
79 * errors to cause aborts
80 */
81 #define ERRABORT() _error() { abort(); }
82
83 /*
84 * Use of USXALLOC() is required to force all calls to alloc()
85 * (e.g., from libS.a) to call xalloc().
86 */
87 #define NONBLANK(p) while (*(p) == ' ' || *(p) == '\t') (p)++
88
89 /*
90 * A global null string.
91 */
92 extern char Null[1];
93
94 /*
95 * A global error message string.
|