* Add ipkg for future development

git-svn-id: http://opkg.googlecode.com/svn/trunk@3 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

1 files changed, 183 insertions, 0 deletions

diff --git a/ipkg_utils.c b/ipkg_utils.c
new file mode 100644
index 0000000..bbcde96
--- /dev/null
+++ b/ipkg_utils.c
@@ -0,0 +1,183 @@
+/* ipkg_utils.c - the itsy package management system
+
+   Steven M. Ayer
+   
+   Copyright (C) 2002 Compaq Computer Corporation
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+*/
+
+#include "ipkg.h"
+#include <errno.h>
+#include <ctype.h>
+#include <sys/vfs.h>
+
+#include "ipkg_utils.h"
+#include "pkg.h"
+#include "pkg_hash.h"
+
+void print_pkg_status(pkg_t * pkg, FILE * file);
+
+int get_available_blocks(char * filesystem)
+{
+     struct statfs sfs;
+
+     if(statfs(filesystem, &sfs)){
+	  fprintf(stderr, "bad statfs\n");
+	  return 0;
+     }
+     /*    fprintf(stderr, "reported fs type %x\n", sfs.f_type); */
+     return ((sfs.f_bavail * sfs.f_bsize) / 1024);
+}
+
+char **read_raw_pkgs_from_file(const char *file_name)
+{
+     FILE *fp; 
+     char **ret;
+    
+     if(!(fp = fopen(file_name, "r"))){
+	  fprintf(stderr, "can't get %s open for read\n", file_name);
+	  return NULL;
+     }
+
+     ret = read_raw_pkgs_from_stream(fp);
+
+     fclose(fp);
+
+     return ret;
+}
+
+char **read_raw_pkgs_from_stream(FILE *fp)
+{    
+     char **raw = NULL, *buf, *scout;
+     int count = 0;
+     size_t size = 512;
+     
+     buf = malloc (size);
+
+     while (fgets(buf, size, fp)) {
+	  while (strlen (buf) == (size - 1)
+		 && buf[size-2] != '\n') {
+	       size_t o = size - 1;
+	       size *= 2;
+	       buf = realloc (buf, size);
+	       if (fgets (buf + o, size - o, fp) == NULL)
+		    break;
+	  }
+	  
+	  if(!(count % 50))
+	       raw = realloc(raw, (count + 50) * sizeof(char *));
+	
+	  if((scout = strchr(buf, '\n')))
+	       *scout = '\0';
+
+	  raw[count++] = strdup(buf);
+     }
+    
+     raw = realloc(raw, (count + 1) * sizeof(char *));
+     raw[count] = NULL;
+
+     free (buf);
+    
+     return raw;
+}
+
+/* something to remove whitespace, a hash pooper */
+char *trim_alloc(char *line)
+{
+     char *new; 
+     char *dest, *src, *end;
+    
+     new = malloc(strlen(line) + 1);
+     if ( new == NULL ){
+        fprintf(stderr,"%s: Unable to allocate memory\n",__FUNCTION__);
+        return NULL;
+     }
+     dest = new, src = line, end = line + (strlen(line) - 1);
+
+     /* remove it from the front */    
+     while(src && 
+	   isspace(*src) &&
+	   *src)
+	  src++;
+     /* and now from the back */
+     while((end > src) &&
+	   isspace(*end))
+	  end--;
+     end++;
+     *end = '\0';
+     strcpy(new, src);
+     /* this does from the first space
+      *  blasting away any versions stuff in depends
+      while(src && 
+      !isspace(*src) &&
+      *src)
+      *dest++ = *src++;
+      *dest = '\0';
+      */
+    
+     return new;
+}
+
+int line_is_blank(const char *line)
+{
+     const char *s;
+
+     for (s = line; *s; s++) {
+	  if (!isspace(*s))
+	       return 0;
+     }
+     return 1;
+}
+
+void push_error_list(struct errlist ** errors, char * msg){
+  struct errlist *err_lst_tmp;
+
+
+  err_lst_tmp = malloc ( sizeof (err_lst_tmp) );
+  err_lst_tmp->errmsg=strdup(msg) ;
+  err_lst_tmp->next = *errors;
+  *errors = err_lst_tmp;
+}
+
+
+void reverse_error_list(struct errlist **errors){
+   struct errlist *result=NULL;
+   struct errlist *current= *errors;
+   struct errlist *next;
+
+   while ( current != NULL ) {
+      next = current->next;
+      current->next=result;
+      result=current;
+      current=next;
+   }
+   *errors=result;
+
+}
+
+       
+void free_error_list(){
+struct errlist *err_tmp_lst;
+
+  err_tmp_lst = error_list;
+
+    while (err_tmp_lst != NULL) {
+      free(err_tmp_lst->errmsg);
+      err_tmp_lst = error_list->next;
+      free(error_list);
+      error_list = err_tmp_lst;
+    }
+
+
+}
+
+