summaryrefslogtreecommitdiffstats
path: root/mdk-stage1/dietlibc/libdl/_dl_search.c
diff options
context:
space:
mode:
Diffstat (limited to 'mdk-stage1/dietlibc/libdl/_dl_search.c')
-rw-r--r--mdk-stage1/dietlibc/libdl/_dl_search.c84
1 files changed, 0 insertions, 84 deletions
diff --git a/mdk-stage1/dietlibc/libdl/_dl_search.c b/mdk-stage1/dietlibc/libdl/_dl_search.c
deleted file mode 100644
index 5e3217d46..000000000
--- a/mdk-stage1/dietlibc/libdl/_dl_search.c
+++ /dev/null
@@ -1,84 +0,0 @@
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <dlfcn.h>
-
-#include <fcntl.h>
-#include <stdio.h>
-
-#define WANT_LD_SO_CONF_SEARCH
-
-static const char *_dl_search_rpath=0;
-void _dl_set_rpath(const char *path) { _dl_search_rpath=path; }
-
-/* search a colon (semicolon) seperated path for the libraray "filename" */
-static int _dl_search_path(char *buf, int len, const char*path, const int pathlen, const char *filename)
-{
- int fd,l=len,i=1;
- const char *c,*pe=path+pathlen;
-
- if (path) {
- for (c=path; c<pe; c+=i) {
- if ((*c==':')||(*c==';')) ++c;
- i=strcspn(c,":;");
- if (i) {
- strncpy(buf, c, i); buf[i]=0;
- l-=i;
- strncat(buf, "/", l);
- }
- else
- buf[0]=0;
- strncat(buf, filename, --l);
-// printf("_dl_search: %s\n",buf);
- if ((fd=open(buf,O_RDONLY))!=-1) return fd;
- }
- }
- return -1;
-}
-
-/* parse the SMALL file "conf" for lib directories (aem... hang me if you can :) ) */
-static int _dl_search_conf(char *buf, int len, const char *conf, const char *filename)
-{
- char ld_so_conf[1024];
- int i,l,fd=open(conf,O_RDONLY);
- if (fd!=-1) {
- l=read(fd,ld_so_conf,sizeof(ld_so_conf)-1);
- ld_so_conf[sizeof(ld_so_conf)-1]=0;
- close(fd);
- if (ld_so_conf[l-1]=='\n') ld_so_conf[--l]=0;
- for (i=0;i<l;i++) if (ld_so_conf[i]=='\n') ld_so_conf[i]=':';
- if ((fd=_dl_search_path(buf,len,ld_so_conf,l,filename))!=-1) return fd;
- }
- return -1;
-}
-
-int _dl_search(char *buf, int len, const char *filename)
-{
- int fd;
-
- /* 1. search the LD_RUN_PATH (from the executable */
- if (_dl_search_rpath) {
- if ((fd=_dl_search_path(buf,len,_dl_search_rpath,strlen(_dl_search_rpath),filename))!=-1) return fd;
- }
-
- /* 2. IF we have a "secure" enviroment THEN search LD_LIBRARY_PATH */
- if (getuid()==geteuid()) {
- char *p=getenv("LD_LIBRARY_PATH");
- if (p)
- if ((fd=_dl_search_path(buf,len,p,strlen(p),filename))!=-1) return fd;
- }
-
- /* 3. search all pathes in the the /etc/diet.ld.conf, a dietlibc extension :) */
- if ((fd=_dl_search_conf(buf,len,"/etc/diet.ld.conf",filename))!=-1) return fd;
-
-#ifdef WANT_LD_SO_CONF_SEARCH
- /* 4. search all pathes in the the /etc/ld.so.conf / can't handle this ...=lib?? crap */
- if ((fd=_dl_search_conf(buf,len,"/etc/ld.so.conf",filename))!=-1) return fd;
-#endif
-
- /* default path search */
- {
- const char* def_path="/usr/lib:/lib";
- return _dl_search_path(buf,len,def_path,strlen(def_path),filename);
- }
-}