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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5191 | serge | 1 | /* Allocate memory region filled with spaces. |
| 2 | Copyright (C) 1991 Free Software Foundation, Inc. |
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| 3 | |||
| 4 | This file is part of the libiberty library. |
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| 5 | Libiberty is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Library General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2 of the License, or (at your option) any later version. |
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| 9 | |||
| 10 | Libiberty is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Library General Public License for more details. |
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| 14 | |||
| 15 | You should have received a copy of the GNU Library General Public |
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| 16 | License along with libiberty; see the file COPYING.LIB. If |
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| 17 | not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, |
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| 18 | Boston, MA 02110-1301, USA. */ |
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| 19 | |||
| 20 | /* |
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| 21 | |||
| 22 | @deftypefn Extension char* spaces (int @var{count}) |
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| 23 | |||
| 24 | Returns a pointer to a memory region filled with the specified |
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| 25 | number of spaces and null terminated. The returned pointer is |
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| 26 | valid until at least the next call. |
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| 27 | |||
| 28 | @end deftypefn |
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| 29 | |||
| 30 | */ |
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| 31 | |||
| 32 | #ifdef HAVE_CONFIG_H |
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| 33 | #include "config.h" |
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| 34 | #endif |
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| 35 | #include "ansidecl.h" |
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| 36 | #include "libiberty.h" |
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| 37 | |||
| 38 | #if VMS |
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| 39 | #include |
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| 40 | #include |
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| 41 | #else |
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| 42 | /* For systems with larger pointers than ints, these must be declared. */ |
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| 43 | extern PTR malloc (size_t); |
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| 44 | extern void free (PTR); |
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| 45 | #endif |
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| 46 | |||
| 47 | const char * |
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| 48 | spaces (int count) |
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| 49 | { |
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| 50 | register char *t; |
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| 51 | static char *buf; |
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| 52 | static int maxsize; |
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| 53 | |||
| 54 | if (count > maxsize) |
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| 55 | { |
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| 56 | free (buf); |
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| 57 | buf = (char *) malloc (count + 1); |
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| 58 | if (buf == (char *) 0) |
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| 59 | return 0; |
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| 60 | for (t = buf + count ; t != buf ; ) |
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| 61 | { |
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| 62 | *--t = ' '; |
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| 63 | } |
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| 64 | maxsize = count; |
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| 65 | buf[count] = '\0'; |
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| 66 | } |
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| 67 | return (const char *) (buf + maxsize - count); |
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| 68 | } |
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| 69 |