made gopherd symlink friendlier. normalpath was needed for that.

normalpath just tries to normalize a path, even if the files don't exist.

1 files changed, 51 insertions, 0 deletions

diff --git a/src/bin/normalpath.c b/src/bin/normalpath.c
new file mode 100644
index 0000000..96f5506
--- /dev/null
+++ b/src/bin/normalpath.c
@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/param.h>
+
+int main(int argc,char *argv[]) {
+ int i,j,k,l;
+ char *s=argv[1];
+ char *out=malloc(MAXPATHLEN+1);
+ switch(s[0]) {
+  case '/':
+   strcpy(out,"/");
+   break;
+  case '~':
+   strcpy(out,(char *)getenv("HOME"));
+   break;
+  default:
+   getcwd(out,MAXPATHLEN);
+   strcat(out,"/");
+ }
+ strcat(out,s);
+ l=strlen(out)-1;
+ if(out[l] == '.' && out[l-1] == '/') strcat(out,"/");
+ if(out[l] == '.' && out[l-1] == '.' && out[l-2] == '/') strcat(out,"/");
+ for(i=0;out[i];i++) {
+  if(out[i] == '/' && out[i+1] == '.' && out[i+2] == '.' && out[i+3] == '/') {
+   for(j=i-1;out[j] != '/';j--) {
+   }
+   for(k=j;out[k];k++) {
+    out[k]=out[k+(i-j)+3];
+   }    
+   i=0;
+  }
+  if(out[i] == '/' && out[i+1] == '.' && out[i+2] == '/') {
+   for(j=i;out[j];j++) {
+    out[j]=out[j+2];
+   }   
+   i=0;
+  }
+  if(out[i] == '/' && out[i+1] == '/') {
+   //leftshift over it.
+   for(j=i;out[j];j++) {
+    out[j]=out[j+1];
+   }
+   i=0;
+  }
+ }
+ printf("%s\n",out);
+ return 0;
+}