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November 17, 2014 04:52
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libvmem examples
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is a gist containing libvmem examples, so they can be embedded in web pages. |
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/* | |
* Copyright (c) 2014, Intel Corporation | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* | |
* * Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* | |
* * Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in | |
* the documentation and/or other materials provided with the | |
* distribution. | |
* | |
* * Neither the name of Intel Corporation nor the names of its | |
* contributors may be used to endorse or promote products derived | |
* from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY LOG OF THE USE | |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
/* | |
* manpage.c -- simple example for the libvmem man page | |
*/ | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
#include <libvmem.h> | |
int | |
main(int argc, char *argv[]) | |
{ | |
VMEM *vmp; | |
char *ptr; | |
/* create minimum size pool of memory */ | |
if ((vmp = vmem_create("/pmem-fs", | |
VMEM_MIN_POOL)) == NULL) { | |
perror("vmem_create"); | |
exit(1); | |
} | |
if ((ptr = vmem_malloc(vmp, 100)) == NULL) { | |
perror("vmem_malloc"); | |
exit(1); | |
} | |
strcpy(ptr, "hello, world"); | |
/* give the memory back */ | |
vmem_free(vmp, ptr); | |
/* ... */ | |
} |
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