diff options
Diffstat (limited to 'console/args.c')
-rw-r--r-- | console/args.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/console/args.c b/console/args.c new file mode 100644 index 00000000..bbd6be21 --- /dev/null +++ b/console/args.c @@ -0,0 +1,73 @@ +/* $Id$ */ +#include "bbs.h" +#ifdef HAVE_SETPROCTITLE + +void +initsetproctitle(int argc, char **argv, char **envp) +{ +} + +#else + + +static char **Argv = NULL; /* pointer to argument vector */ +static int argv_size; /* end of argv */ + +extern char **environ; + +void +initsetproctitle(int argc, char **argv, char **envp) +{ + register int i; + int len=0,nenv=0; + + + /* + * Move the environment so setproctitle can use the space at the top of + * memory. + */ + for (i = 0; envp[i]; i++) + len+=strlen(envp[i])+1; + nenv=i+1; + len+=sizeof(char*)*nenv; + environ = malloc(len); + len=0; + for (i = 0; envp[i]; i++) { + environ[i] = (char*)environ+nenv*sizeof(char*)+len; + strcpy(environ[i], envp[i]); + len+=strlen(envp[i])+1; + } + environ[i] = NULL; + + /* Save start and extent of argv for setproctitle. */ + Argv = argv; + if (i > 0) + argv_size = envp[i - 1] + strlen(envp[i - 1]) - Argv[0]; + else + argv_size = argv[argc - 1] + strlen(argv[argc - 1]) - Argv[0]; +} + +static void +do_setproctitle(const char *cmdline) +{ + int len; + + len = strlen(cmdline) + 1; // +1 for '\0' + if(len > argv_size - 2) // 2 ?? + len = argv_size - 2; + memset(Argv[0], 0, argv_size); + strlcpy(Argv[0], cmdline, len); + Argv[1] = NULL; +} + +void +setproctitle(const char *format,...) +{ + char buf[256]; + va_list args; + va_start(args, format); + vsnprintf(buf, sizeof(buf), format, args); + do_setproctitle(buf); + va_end(args); +} +#endif |