dockapps/wmSMPmon-3.1/wmSMPmon/general.c
Carlos R. Mafra 21625f40b5 Initial dockapps git repo
I tried to get the latest versions from dockapps.org, but I haven't
tested any of them.

More dockapps will be added as time permits.
2011-03-25 19:45:13 +01:00

79 lines
2.6 KiB
C

/*######################################################################
# #
# This file contains some general utility functions for wmSMPmon. #
# #
# All of them were taken from the program 'top' from the procps #
# suite. #
# With thanks to the author of top: #
# James C. Warner <warnerjc@worldnet.att.net> #
# #
# This file is placed under the conditions of the GNU Library #
# General Public License, version 2, or any later version. #
# See file COPYING for information on distribution conditions. #
# #
######################################################################*/
# include "standards.h"
# include "general.h"
/*
* The usual program end --
* called only by functions in this section. */
void bye_bye (int eno, const char *str)
{
fflush(stdout);
if (str) {
if (eno) perror(str);
else {
fputs(str, stderr);
eno = 1;
}
}
exit(eno);
}
/*
* This routine simply formats whatever the caller wants and
* returns a pointer to the resulting 'const char' string... */
const char *fmtmk (const char *fmts, ...)
{
static char buf[BIGBUFSIZ]; /* with help stuff, our buffer */
va_list va; /* requirements exceed 1k */
va_start(va, fmts);
vsnprintf(buf, sizeof(buf), fmts, va);
va_end(va);
return (const char *)buf;
}
/*
* Standard error handler to normalize the look of all err o/p */
void std_err (const char *str)
{
static char buf[SMLBUFSIZ];
fflush(stdout);
/* we'll use our own buffer so callers can still use fmtmk()
* and, yes the leading tab is not the standard convention,
* but the standard is wrong -- OUR msg won't get lost in
* screen clutter, like so many others! */
snprintf(buf, sizeof(buf), "\t%s: %s\n", Myname, str);
/* not to worry, he'll change our exit code to 1 due to 'buf' */
bye_bye(0, buf);
}
/*
* Handle our own memory stuff without the risk of leaving the
* user's terminal in an ugly state should things go sour. */
void *alloc_c (unsigned numb)
{
void * p;
if (!numb) ++numb;
if (!(p = calloc(1, numb)))
std_err("failed memory allocate");
return p;
}