From e368a0f50336c144b821b1eb0b42a30292cb4630 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Wed, 7 Dec 2016 15:04:00 +0100 Subject: erl_interface: Fix compile warning in erl_call --- lib/erl_interface/src/prog/erl_start.c | 73 +++++++++++++++++----------------- 1 file changed, 36 insertions(+), 37 deletions(-) diff --git a/lib/erl_interface/src/prog/erl_start.c b/lib/erl_interface/src/prog/erl_start.c index d8f0632341..670a5900c9 100644 --- a/lib/erl_interface/src/prog/erl_start.c +++ b/lib/erl_interface/src/prog/erl_start.c @@ -17,7 +17,6 @@ * * %CopyrightEnd% * - */ /* An exception from using eidef.h, use config.h directly */ @@ -45,7 +44,7 @@ #include #include #include -#include +#include #include #include #include @@ -117,9 +116,9 @@ static int unique_id(void); static unsigned long spawn_erlang_epmd(ei_cnode *ec, char *alive, Erl_IpAddr adr, - int flags, - char *erl_or_epmd, - char *args[], + int flags, + char *erl_or_epmd, + char *args[], int port, int is_erlang); #else @@ -161,10 +160,10 @@ int erl_start_sys(ei_cnode *ec, char *alive, Erl_IpAddr adr, int flags, r = ERL_SYS_ERROR; goto done; } - + memset(&addr,0,sizeof(addr)); - addr.sin_family = AF_INET; - addr.sin_addr.s_addr = htonl(INADDR_ANY); + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = htonl(INADDR_ANY); addr.sin_port = 0; if (bind(sockd,(struct sockaddr *)&addr,sizeof(addr))<0) { @@ -179,12 +178,12 @@ int erl_start_sys(ei_cnode *ec, char *alive, Erl_IpAddr adr, int flags, listen(sockd,5); #if defined(VXWORKS) || defined(__WIN32__) - if((pid = spawn_erlang_epmd(ec,alive,adr,flags,erl,args,port,1)) + if((pid = spawn_erlang_epmd(ec,alive,adr,flags,erl,args,port,1)) == 0) return ERL_SYS_ERROR; timeout.tv_usec = 0; timeout.tv_sec = 10; /* ignoring ERL_START_TIME */ - if((r = wait_for_erlang(sockd,unique_id(),&timeout)) + if((r = wait_for_erlang(sockd,unique_id(),&timeout)) == ERL_TIMEOUT) { #if defined(VXWORKS) taskDelete((int) pid); @@ -262,7 +261,7 @@ done: static int unique_id(void){ #if defined(VXWORKS) return taskIdSelf(); -#else +#else return (int) GetCurrentThreadId(); #endif } @@ -285,7 +284,7 @@ static int enquote_args(char **oargs, char ***qargs){ for(len=0;oargs[len] != NULL; ++len) ; args = malloc(sizeof(char *) * (len + 1)); - + for(i = 0; i < len; ++i){ qwhole = strchr(oargs[i],' ') != NULL; extra = qwhole * 2; @@ -337,16 +336,16 @@ static FUNCPTR lookup_function(char *symname){ static unsigned long spawn_erlang_epmd(ei_cnode *ec, char *alive, Erl_IpAddr adr, - int flags, - char *erl_or_epmd, - char *args[], + int flags, + char *erl_or_epmd, + char *args[], int port, int is_erlang) { #if defined(VXWORKS) FUNCPTR erlfunc; #else /* Windows */ - STARTUPINFO sinfo; + STARTUPINFO sinfo; SECURITY_ATTRIBUTES sa; PROCESS_INFORMATION pinfo; #endif @@ -364,7 +363,7 @@ static unsigned long spawn_erlang_epmd(ei_cnode *ec, if(is_erlang){ get_addr(ei_thishostname(ec), &myaddr); #if defined(VXWORKS) - inet_ntoa_b(myaddr, iaddrbuf); + inet_ntoa_b(myaddr, iaddrbuf); #else /* Windows */ if((ptr = inet_ntoa(myaddr)) == NULL) return 0; @@ -372,7 +371,7 @@ static unsigned long spawn_erlang_epmd(ei_cnode *ec, strcpy(iaddrbuf,ptr); #endif } - if ((flags & ERL_START_REMOTE) || + if ((flags & ERL_START_REMOTE) || (is_erlang && (hisaddr->s_addr != myaddr.s_addr))) { return 0; } else { @@ -382,19 +381,17 @@ static unsigned long spawn_erlang_epmd(ei_cnode *ec, #if !defined(VXWORKS) /* On VxWorks, we dont actually run a command, we call start_erl() */ - if(!erl_or_epmd) + if(!erl_or_epmd) #endif erl_or_epmd = (is_erlang) ? DEF_ERL_COMMAND : DEF_EPMD_COMMAND; if(is_erlang){ name_format = (flags & ERL_START_LONG) ? ERL_NAME_FMT : ERL_SNAME_FMT; - cmdlen += + cmdlen += strlen(erl_or_epmd) + (*erl_or_epmd != '\0') + strlen(name_format) + 1 + strlen(alive) + - strlen(ERL_REPLY_FMT) + 1 + strlen(iaddrbuf) + - 2 * FORMATTED_INT_LEN + - 1; + strlen(ERL_REPLY_FMT) + 1 + strlen(iaddrbuf) + 2 * FORMATTED_INT_LEN + 1; ptr = cmdbuf = malloc(cmdlen); if(*erl_or_epmd != '\0') ptr += sprintf(ptr,"%s ",erl_or_epmd); @@ -484,11 +481,11 @@ static unsigned long spawn_erlang_epmd(ei_cnode *ec, * arguments we use here. */ static int exec_erlang(ei_cnode *ec, - char *alive, + char *alive, Erl_IpAddr adr, - int flags, - char *erl, - char *args[], + int flags, + char *erl, + char *args[], int port) { #if !defined(__WIN32__) && !defined(VXWORKS) @@ -498,8 +495,11 @@ static int exec_erlang(ei_cnode *ec, char argbuf[BUFSIZ]; struct in_addr myaddr; struct in_addr *hisaddr = (struct in_addr *)adr; - - get_addr(ei_thishostname(ec), &myaddr); + + if (!get_addr(ei_thishostname(ec), &myaddr)) { + fprintf(stderr,"erl_call: failed to find hostname\r\n"); + return ERL_SYS_ERROR; + } /* on this host? */ /* compare ip addresses, unless forced by flag setting to use rsh */ @@ -525,8 +525,8 @@ static int exec_erlang(ei_cnode *ec, /* *must* be noinput or node (seems to) hang... */ /* long or short names? */ - sprintf(&argbuf[len], "-noinput %s %s ", - ((flags & ERL_START_LONG) ? "-name" : "-sname"), + sprintf(&argbuf[len], "-noinput %s %s ", + ((flags & ERL_START_LONG) ? "-name" : "-sname"), alive); len = strlen(argbuf); @@ -572,7 +572,7 @@ static int exec_erlang(ei_cnode *ec, fprintf(stderr,"\n\n===== Log started ======\n%s \n",ctime(&t)); fprintf(stderr,"erl_call: %s %s %s\n",argv[0],argv[1],argv[2]); } - } + } /* start the system */ execvp(argv[0], argv); @@ -609,7 +609,7 @@ static void gettimeofday(struct timeval *now, void *dummy){ now->tv_usec = ((ctick - (now->tv_sec * rate))*1000000)/rate; } #endif - + /* wait for the remote system to reply */ /* @@ -648,7 +648,7 @@ static int wait_for_erlang(int sockd, int magic, struct timeval *timeout) "will timeout at %ld.%06ld\n", now.tv_sec,now.tv_usec,stop_time.tv_sec,stop_time.tv_usec); #endif - + while (1) { FD_ZERO(&rdset); FD_SET(sockd,&rdset); @@ -662,7 +662,7 @@ static int wait_for_erlang(int sockd, int magic, struct timeval *timeout) to.tv_sec--; } if (to.tv_sec < 0) return ERL_TIMEOUT; - + #ifdef DEBUG fprintf(stderr,"erl_call: debug remaining to timeout: %ld.%06ld\n", to.tv_sec,to.tv_usec); @@ -690,7 +690,7 @@ static int wait_for_erlang(int sockd, int magic, struct timeval *timeout) if (FD_ISSET(sockd,&rdset)) { if ((fd = accept(sockd,(struct sockaddr *)&peer,&len)) < 0) return ERL_SYS_ERROR; - + /* now get sign-on message and terminate it */ #if defined(__WIN32__) if ((n=recv(fd,buf,16,0)) >= 0) buf[n]=0x0; @@ -703,7 +703,6 @@ static int wait_for_erlang(int sockd, int magic, struct timeval *timeout) fprintf(stderr,"erl_call: debug got %d, expected %d\n", atoi(buf),magic); #endif - if (atoi(buf) == magic) return 0; /* success */ } /* if FD_SET */ } /* switch */ -- cgit v1.2.3