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Diffstat (limited to 'src/lib/libc/string/strdup.3')
| -rw-r--r-- | src/lib/libc/string/strdup.3 | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/lib/libc/string/strdup.3 b/src/lib/libc/string/strdup.3 new file mode 100644 index 0000000000..6abbba57cb --- /dev/null +++ b/src/lib/libc/string/strdup.3 | |||
| @@ -0,0 +1,68 @@ | |||
| 1 | .\" $OpenBSD: strdup.3,v 1.6 1998/08/19 05:51:14 pjanzen Exp $ | ||
| 2 | .\" | ||
| 3 | .\" Copyright (c) 1990, 1991, 1993 | ||
| 4 | .\" The Regents of the University of California. All rights reserved. | ||
| 5 | .\" | ||
| 6 | .\" Redistribution and use in source and binary forms, with or without | ||
| 7 | .\" modification, are permitted provided that the following conditions | ||
| 8 | .\" are met: | ||
| 9 | .\" 1. Redistributions of source code must retain the above copyright | ||
| 10 | .\" notice, this list of conditions and the following disclaimer. | ||
| 11 | .\" 2. Redistributions in binary form must reproduce the above copyright | ||
| 12 | .\" notice, this list of conditions and the following disclaimer in the | ||
| 13 | .\" documentation and/or other materials provided with the distribution. | ||
| 14 | .\" 3. All advertising materials mentioning features or use of this software | ||
| 15 | .\" must display the following acknowledgement: | ||
| 16 | .\" This product includes software developed by the University of | ||
| 17 | .\" California, Berkeley and its contributors. | ||
| 18 | .\" 4. Neither the name of the University nor the names of its contributors | ||
| 19 | .\" may be used to endorse or promote products derived from this software | ||
| 20 | .\" without specific prior written permission. | ||
| 21 | .\" | ||
| 22 | .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | ||
| 23 | .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 24 | .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 25 | .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | ||
| 26 | .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| 27 | .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| 28 | .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 29 | .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| 30 | .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| 31 | .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| 32 | .\" SUCH DAMAGE. | ||
| 33 | .\" | ||
| 34 | .\" @(#)strdup.3 8.1 (Berkeley) 6/9/93 | ||
| 35 | .\" | ||
| 36 | .Dd June 9, 1993 | ||
| 37 | .Dt STRDUP 3 | ||
| 38 | .Os | ||
| 39 | .Sh NAME | ||
| 40 | .Nm strdup | ||
| 41 | .Nd save a copy of a string | ||
| 42 | .Sh SYNOPSIS | ||
| 43 | .Fd #include <string.h> | ||
| 44 | .Ft char * | ||
| 45 | .Fn strdup "const char *str" | ||
| 46 | .Sh DESCRIPTION | ||
| 47 | The | ||
| 48 | .Fn strdup | ||
| 49 | function | ||
| 50 | allocates sufficient memory for a copy | ||
| 51 | of the string | ||
| 52 | .Fa str , | ||
| 53 | does the copy, and returns a pointer to it. | ||
| 54 | The pointer may subsequently be used as an | ||
| 55 | argument to the function | ||
| 56 | .Xr free 3 . | ||
| 57 | .Pp | ||
| 58 | If insufficient memory is available, NULL is returned. | ||
| 59 | .Sh SEE ALSO | ||
| 60 | .Xr free 3 , | ||
| 61 | .Xr malloc 3 , | ||
| 62 | .Xr strcpy 3 , | ||
| 63 | .Xr strlen 3 | ||
| 64 | .Sh HISTORY | ||
| 65 | The | ||
| 66 | .Fn strdup | ||
| 67 | function first appeared in | ||
| 68 | .Bx 4.4 . | ||