X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fdropin.c;h=93511f1170dcb5f0cdd03196368fedd953fd2e46;hp=cd5563adb847414cf10d0440c58cad558b0f1ece;hb=3fae14fae5a347823679ef694ab630b4991a201d;hpb=d49a336658d772821bee2dbe97df3d4f748c8c4c diff --git a/src/dropin.c b/src/dropin.c index cd5563ad..93511f11 100644 --- a/src/dropin.c +++ b/src/dropin.c @@ -1,7 +1,7 @@ /* dropin.c -- a set of drop-in replacements for libc functions Copyright (C) 2000-2005 Ivo Timmermans, - 2000-2011 Guus Sliepen + 2000-2016 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -25,7 +25,7 @@ #ifndef HAVE_DAEMON /* Replacement for the daemon() function. - + The daemon() function is for programs wishing to detach themselves from the controlling terminal and run in the background as system daemons. @@ -50,8 +50,9 @@ int daemon(int nochdir, int noclose) { } /* If we are the parent, terminate */ - if(pid) + if(pid) { exit(0); + } /* Detach by becoming the new process group leader */ if(setsid() < 0) { @@ -86,40 +87,6 @@ int daemon(int nochdir, int noclose) { } #endif -#ifndef HAVE_GET_CURRENT_DIR_NAME -/* - Replacement for the GNU get_current_dir_name function: - - get_current_dir_name will malloc(3) an array big enough to hold the - current directory name. If the environment variable PWD is set, and - its value is correct, then that value will be returned. -*/ -char *get_current_dir_name(void) { - size_t size; - char *buf; - char *r; - - /* Start with 100 bytes. If this turns out to be insufficient to - contain the working directory, double the size. */ - size = 100; - buf = xmalloc(size); - - errno = 0; /* Success */ - r = getcwd(buf, size); - - /* getcwd returns NULL and sets errno to ERANGE if the bufferspace - is insufficient to contain the entire working directory. */ - while(r == NULL && errno == ERANGE) { - free(buf); - size <<= 1; /* double the size */ - buf = xmalloc(size); - r = getcwd(buf, size); - } - - return buf; -} -#endif - #ifndef HAVE_ASPRINTF int asprintf(char **buf, const char *fmt, ...) { int result; @@ -143,8 +110,9 @@ int vasprintf(char **buf, const char *fmt, va_list ap) { buf[len - 1] = 0; va_end(aq); - if(status >= 0) + if(status >= 0) { *buf = xrealloc(*buf, status + 1); + } if(status > len - 1) { len = status;