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/* $Id: args.c,v 1.6 2002/07/21 20:39:34 kcwu Exp $ */
#include "bbs.h"
#ifdef HAVE_SETPROCTITLE
void
initsetproctitle(int argc, char **argv, char **envp)
{
}
#else
char **Argv = NULL; /* pointer to argument vector */
char *LastArgv = NULL;/* end of argv */
extern char **environ;
void
initsetproctitle(int argc, char **argv, char **envp)
{
register int i;
/*
* Move the environment so setproctitle can use the space at the top of
* memory.
*/
for (i = 0; envp[i]; i++);
environ = malloc(sizeof(char *) * (i + 1));
for (i = 0; envp[i]; i++)
environ[i] = strdup(envp[i]);
environ[i] = NULL;
/* Save start and extent of argv for setproctitle. */
Argv = argv;
if (i > 0)
LastArgv = envp[i - 1] + strlen(envp[i - 1]);
else
LastArgv = argv[argc - 1] + strlen(argv[argc - 1]);
}
static void
do_setproctitle(const char *cmdline)
{
char buf[256], *p;
int i;
strncpy(buf, cmdline, 256);
buf[255] = '\0';
i = strlen(buf);
if (i > LastArgv - Argv[0] - 2) {
i = LastArgv - Argv[0] - 2;
}
strlcpy(Argv[0], buf, SIZEOF(Argv[0]);
p = &Argv[0][i];
while (p < LastArgv)
*p++ = '\0';
Argv[1] = NULL;
}
void
setproctitle(const char *format,...)
{
char buf[256];
va_list args;
va_start(args, format);
vsprintf(buf, format, args);
do_setproctitle(buf);
va_end(args);
}
#endif
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