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-rw-r--r--opkg_utils.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/opkg_utils.c b/opkg_utils.c
new file mode 100644
index 0000000..0b59645
--- /dev/null
+++ b/opkg_utils.c
@@ -0,0 +1,183 @@
+/* opkg_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 "opkg.h"
+#include <errno.h>
+#include <ctype.h>
+#include <sys/vfs.h>
+
+#include "opkg_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;
+ }
+
+
+}
+
+