diff options
Diffstat (limited to 'base/hostinfo.cc')
-rw-r--r-- | base/hostinfo.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/base/hostinfo.cc b/base/hostinfo.cc new file mode 100644 index 000000000..48c876122 --- /dev/null +++ b/base/hostinfo.cc @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2003 The Regents of The University of Michigan + * All rights reserved. + * + * 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 the copyright holders 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 OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> +#include <math.h> + +#include "host.hh" + +uint64_t +procInfo(char *filename, char *target) +{ + int done = 0; + char line[80]; + char format[80]; + uint64_t usage; + + FILE *fp = fopen(filename, "r"); + + while (fp && !feof(fp) && !done) { + if (fgets(line, 80, fp)) { + if (strncmp(line, target, strlen(target)) == 0) { + sprintf(format, "%s %%ld", target); + sscanf(line, format, &usage); + + fclose(fp); + return usage ; + } + } + } + + if (fp) + fclose(fp); + + return 0; +} |