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-rw-r--r--mdk-stage1/dietlibc/lib/getservent.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/mdk-stage1/dietlibc/lib/getservent.c b/mdk-stage1/dietlibc/lib/getservent.c
deleted file mode 100644
index bf25d046b..000000000
--- a/mdk-stage1/dietlibc/lib/getservent.c
+++ /dev/null
@@ -1,137 +0,0 @@
-#include <unistd.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <sys/mman.h>
-#include <errno.h>
-#include <netinet/in.h>
-#include <string.h>
-#include <ctype.h>
-
-static int servicesfd=-1;
-static char* servicesmap;
-static unsigned int serviceslen;
-
-static char* aliases[10];
-
-static char *cur;
-
-/* nameserver 42/tcp name # IEN 116 */
-struct servent *getservent(void) {
- static struct servent se;
- char *last;
- int aliasidx;
- if (servicesfd<0) {
- servicesfd=open(_PATH_SERVICES,O_RDONLY);
- if (servicesfd<0) return 0;
- serviceslen=lseek(servicesfd,0,SEEK_END);
- servicesmap=mmap(0,serviceslen,PROT_READ|PROT_WRITE,MAP_PRIVATE,servicesfd,0);
- if ((long)servicesmap==(-1)) goto error;
- cur=servicesmap;
- }
- last=servicesmap+serviceslen;
-again:
- se.s_name=0;
- se.s_aliases=aliases; aliases[0]=0;
- se.s_port=0;
- se.s_proto=0;
- if (cur>=last) return 0;
- if (*cur=='#' || *cur=='\n') goto parseerror;
- /* first, the primary name */
- if (!isalpha(*cur)) goto parseerror;
- se.s_name=cur;
- se.s_aliases=aliases;
- while (cur<last && isalnum(*cur)) cur++;
- if (cur>=last) return 0;
- if (*cur=='\n') goto parseerror;
- *cur=0; cur++;
- /* second, the port */
- while (cur<last && isblank(*cur)) cur++;
- while (cur<last && isdigit(*cur)) {
- se.s_port=se.s_port*10+*cur-'0';
- cur++;
- }
- se.s_port=htons(se.s_port);
- if (cur>=last) return 0;
- /* third, "/tcp" or "/udp" */
- if (*cur!='/') goto parseerror;
- cur++;
- se.s_proto=cur;
- while (cur<last && isalpha(*cur)) ++cur;
- if (cur>=last) return 0;
- if (*cur=='\n') { *cur++=0; return &se; }
- *cur=0; cur++;
- /* now the aliases */
- for (aliasidx=0;aliasidx<10;++aliasidx) {
- while (cur<last && isblank(*cur)) ++cur;
- aliases[aliasidx]=cur;
- while (cur<last && isalpha(*cur)) ++cur;
- if (*cur=='\n') { *cur++=0; ++aliasidx; break; }
- if (cur>=last || !isblank(*cur)) break;
- *cur++=0;
- }
- aliases[aliasidx]=0;
- return &se;
-parseerror:
- while (cur<last && *cur!='\n') cur++;
- cur++;
- goto again;
-error:
- if (servicesmap!=(char*)-1) munmap(servicesmap,serviceslen);
- if (servicesfd!=-1) close(servicesfd);
- servicesmap=(char*)-1;
- servicesfd=-1;
- errno=ENOMEM;
- return 0;
-}
-
-void setservent(int stayopen) {
- cur=servicesmap;
-}
-
-struct servent *getservbyname(const char *name, const char *proto) {
- struct servent *s;
- setservent(0);
- for (s=getservent(); s; s=getservent()) {
- char **tmp;
-#if 0
- write(1,"found ",6);
- write(1,s->s_name,strlen(s->s_name));
- write(1,"/",1);
- write(1,s->s_proto,strlen(s->s_proto));
- write(1,"\n",1);
- if (!strcmp(name,"auth")) {
- tmp=s->s_aliases;
- write(1," aka ",5);
- while (*tmp) {
- write(1,*tmp,strlen(*tmp));
- write(1,", ",2);
- ++tmp;
- }
- write(1,"\n",1);
- }
-#endif
- if (!strcmp(name,s->s_name) && !strcmp(proto,s->s_proto))
- return s;
- tmp=s->s_aliases;
- while (*tmp)
- if (!strcmp(name,*tmp++)) return s;
- }
- return 0;
-}
-
-struct servent *getservbyport(int port, const char *proto) {
- struct servent *s;
- for (s=getservent(); s; s=getservent()) {
- if (port==s->s_port && !strcmp(proto,s->s_proto))
- return s;
- }
- return 0;
-}
-
-void endservent(void) {
- if (servicesmap!=(char*)-1) munmap(servicesmap,serviceslen);
- if (servicesfd!=-1) close(servicesfd);
- servicesmap=(char*)-1;
- servicesfd=-1;
-}
-