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Annotation of Gnu-Mach/mig/string.c, revision 1.1.1.1

1.1       root        1: /* 
                      2:  * Mach Operating System
                      3:  * Copyright (c) 1991,1990 Carnegie Mellon University
                      4:  * All Rights Reserved.
                      5:  * 
                      6:  * Permission to use, copy, modify and distribute this software and its
                      7:  * documentation is hereby granted, provided that both the copyright
                      8:  * notice and this permission notice appear in all copies of the
                      9:  * software, derivative works or modified versions, and any portions
                     10:  * thereof, and that both notices appear in supporting documentation.
                     11:  * 
                     12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 
                     13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     15:  * 
                     16:  * Carnegie Mellon requests users of this software to return to
                     17:  * 
                     18:  *  Software Distribution Coordinator  or  [email protected]
                     19:  *  School of Computer Science
                     20:  *  Carnegie Mellon University
                     21:  *  Pittsburgh PA 15213-3890
                     22:  * 
                     23:  * any improvements or extensions that they make and grant Carnegie the
                     24:  * rights to redistribute these changes.
                     25:  */
                     26: 
                     27: #include <sys/types.h>
                     28: #include <stdlib.h>
                     29: 
                     30: #include "boolean.h"
                     31: #include "error.h"
                     32: #include "mig_string.h"
                     33: 
                     34: string_t
                     35: strmake(const char *string)
                     36: {
                     37:     register string_t saved;
                     38: 
                     39:     saved = malloc(strlen(string) + 1);
                     40:     if (saved == strNULL)
                     41:        fatal("strmake('%s'): %s", string, unix_error_string(errno));
                     42:     return strcpy(saved, string);
                     43: }
                     44: 
                     45: string_t
                     46: strconcat(const_string_t left, const_string_t right)
                     47: {
                     48:     register string_t saved;
                     49: 
                     50:     saved = malloc(strlen(left) + strlen(right) + 1);
                     51:     if (saved == strNULL)
                     52:        fatal("strconcat('%s', '%s'): %s",
                     53:              left, right, unix_error_string(errno));
                     54:     return strcat(strcpy(saved, left), right);
                     55: }
                     56: 
                     57: void
                     58: strfree(string_t string)
                     59: {
                     60:     free(string);
                     61: }
                     62: 
                     63: const char *
                     64: strbool(boolean_t bool)
                     65: {
                     66:     if (bool)
                     67:        return "TRUE";
                     68:     else
                     69:        return "FALSE";
                     70: }
                     71: 
                     72: const char *
                     73: strstring(const_string_t string)
                     74: {
                     75:     if (string == strNULL)
                     76:        return "NULL";
                     77:     else
                     78:        return string;
                     79: }

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