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author | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
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committer | stevel@tonic-gate <none@none> | 2005-06-14 00:00:00 -0700 |
commit | 7c478bd95313f5f23a4c958a745db2134aa03244 (patch) | |
tree | c871e58545497667cbb4b0a4f2daf204743e1fe7 /usr/src/head/macros.h | |
download | illumos-joyent-7c478bd95313f5f23a4c958a745db2134aa03244.tar.gz |
OpenSolaris Launch
Diffstat (limited to 'usr/src/head/macros.h')
-rw-r--r-- | usr/src/head/macros.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/usr/src/head/macros.h b/usr/src/head/macros.h new file mode 100644 index 0000000000..6f85520caa --- /dev/null +++ b/usr/src/head/macros.h @@ -0,0 +1,111 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* Copyright (c) 1988 AT&T */ +/* All Rights Reserved */ + + +#ifndef _MACROS_H +#define _MACROS_H + +#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3.1.7 */ + +#include <sys/types.h> +#include <sys/stat.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * numeric() is useful in while's, if's, etc., but don't use *p++ + * max() and min() depend on the types of the operands + * abs() is absolute value + */ +#define numeric(c) ((c) >= '0' && (c) <= '9') +#define max(a, b) ((a) < (b) ? (b) : (a)) +#define min(a, b) ((a) > (b) ? (b) : (a)) +#define abs(x) ((x) >= 0 ? (x) : -(x)) + +#define compare(str1, str2) strcmp((str1), (str2)) +#define equal(str1, str2) (strcmp((str1), (str2)) == 0) +#define length(str) strlen(str) +#define size(str) (strlen(str) + 1) + +/* + * The global variable Statbuf is available for use as a stat(II) + * structure. Note that "stat.h" is included here and should + * not be included elsewhere. + * Exists(file) returns 0 if the file does not exist; + * the flags word if it does (the flags word is always non-zero). + */ + +extern struct stat Statbuf; +#define exists(file) (stat(file, &Statbuf) < 0 ? 0 : Statbuf.st_mode) + +/* + * SAVE() and RSTR() use local data in nested blocks. + * Make sure that they nest cleanly. + */ +#define SAVE(name, place) { int place = name; +#define RSTR(name, place) name = place; } + +/* + * Use: DEBUG(sum,d) which becomes fprintf(stderr,"sum = %d\n",sum) + * + * Note: Sccsid[] strings are still supported but not the prefered + * method of labeling files. Use #ident. + */ +#ifdef __STDC__ +#define DEBUG(var, type) fprintf(stderr, #var "= %" #type "\n", var) +#define SCCSID(arg) static char Sccsid[] = #arg +#else +#define DEBUG(var, type) fprintf(stderr, "var = %type\n", var) +#define SCCSID(arg) static char Sccsid[] = "arg" +#endif + +/* + * Use of ERRABORT() will cause libS.a internal + * errors to cause aborts + */ +#define ERRABORT() _error() { abort(); } + +/* + * Use of USXALLOC() is required to force all calls to alloc() + * (e.g., from libS.a) to call xalloc(). + */ +#define NONBLANK(p) while (*(p) == ' ' || *(p) == '\t') (p)++ + +/* + * A global null string. + */ +extern char Null[1]; + +/* + * A global error message string. + */ +extern char Error[128]; + +#ifdef __cplusplus +} +#endif + +#endif /* _MACROS_H */ |