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Diffstat (limited to 'mdk-stage1/dietlibc/libugly/getprotoent.c')
-rw-r--r--mdk-stage1/dietlibc/libugly/getprotoent.c130
1 files changed, 5 insertions, 125 deletions
diff --git a/mdk-stage1/dietlibc/libugly/getprotoent.c b/mdk-stage1/dietlibc/libugly/getprotoent.c
index a648e2307..3f0fd4d41 100644
--- a/mdk-stage1/dietlibc/libugly/getprotoent.c
+++ b/mdk-stage1/dietlibc/libugly/getprotoent.c
@@ -1,130 +1,10 @@
-#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 protofd=-1;
-static char* protomap;
-static unsigned int protolen;
+extern struct protoent __protoent_pw;
+extern char __protoent_buf[1000];
-static char* aliases[10];
-
-static char *cur;
-
-/* ip 0 IP # internet protocol, pseudo protocol number */
struct protoent *getprotoent(void) {
- static struct protoent pe;
- char *last;
- int aliasidx;
- if (protofd<0) {
- protofd=open(_PATH_SERVICES,O_RDONLY);
- if (protofd<0) return 0;
- protolen=lseek(protofd,0,SEEK_END);
- protomap=mmap(0,protolen,PROT_READ|PROT_WRITE,MAP_PRIVATE,protofd,0);
- if ((long)protomap==(-1)) goto error;
- cur=protomap;
- }
- last=protomap+protolen;
-again:
- pe.p_name=0;
- pe.p_aliases=aliases; aliases[0]=0;
- pe.p_proto=0;
- if (cur>=last) return 0;
- if (*cur=='#' || *cur=='\n') goto parseerror;
- /* first, the primary name */
- if (!isalpha(*cur)) goto parseerror;
- pe.p_name=cur;
- pe.p_aliases=aliases;
- while (cur<last && isalnum(*cur)) cur++;
- if (cur>=last) return 0;
- if (*cur=='\n') goto parseerror;
- *cur=0; cur++;
- /* second, the protocol number */
- while (cur<last && isblank(*cur)) cur++;
- while (cur<last && isdigit(*cur)) {
- pe.p_proto=pe.p_proto*10+*cur-'0';
- cur++;
- }
-/* pe.p_proto=htons(pe.s_proto); */
- if (cur>=last) return 0;
- if (*cur=='\n') { *cur++=0; return &pe; }
- *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 &pe;
-parseerror:
- while (cur<last && *cur!='\n') cur++;
- cur++;
- goto again;
-error:
- if (protomap!=(char*)-1) munmap(protomap,protolen);
- if (protofd!=-1) close(protofd);
- protomap=(char*)-1;
- protofd=-1;
- errno=ENOMEM;
- return 0;
-}
-
-void setprotoent(int stayopen) {
- cur=protomap;
-}
-
-struct protoent *getprotobyname(const char *name) {
- struct protoent *s;
- setprotoent(0);
- for (s=getprotoent(); s; s=getprotoent()) {
- char **tmp;
-#if 0
- write(1,"found ",6);
- write(1,s->p_name,strlen(s->p_name));
- write(1,"/",1);
- write(1,s->p_proto,strlen(s->p_proto));
- write(1,"\n",1);
- if (!strcmp(name,"auth")) {
- tmp=s->p_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->p_name))
- return s;
- tmp=s->p_aliases;
- while (*tmp)
- if (!strcmp(name,*tmp++)) return s;
- }
- return 0;
+ struct protoent* tmp;
+ getprotoent_r(&__protoent_pw,__protoent_buf,sizeof(__protoent_buf),&tmp);
+ return tmp;
}
-
-struct protoent *getprotobynumber(int proto) {
- struct protoent *s;
- for (s=getprotoent(); s; s=getprotoent()) {
- if (proto==s->p_proto)
- return s;
- }
- return 0;
-}
-
-void endprotoent(void) {
- if (protomap!=(char*)-1) munmap(protomap,protolen);
- if (protofd!=-1) close(protofd);
- protomap=(char*)-1;
- protofd=-1;
-}
-