/* opkg_utils.c - the opkg package management system
Steven M. Ayer
-
+
Copyright (C) 2002 Compaq Computer Corporation
This program is free software; you can redistribute it and/or
General Public License for more details.
*/
-#include "includes.h"
-#include <errno.h>
#include <ctype.h>
-#include <sys/vfs.h>
-
-#include "opkg_utils.h"
-#include "pkg.h"
-#include "pkg_hash.h"
+#include <sys/statvfs.h>
-void print_pkg_status(pkg_t * pkg, FILE * file);
+#include "libbb/libbb.h"
-int get_available_blocks(char * filesystem)
+unsigned long get_available_kbytes(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);
+ struct statvfs f;
+
+ if (statvfs(filesystem, &f) == -1) {
+ opkg_perror(ERROR, "Failed to statvfs for %s", filesystem);
+ return 0;
+ }
+ // Actually ((sfs.f_bavail * sfs.f_frsize) / 1024)
+ // and here we try to avoid overflow.
+ if (f.f_frsize >= 1024)
+ return (f.f_bavail * (f.f_frsize / 1024));
+ else if (f.f_frsize > 0)
+ return f.f_bavail / (1024 / f.f_frsize);
+
+ opkg_msg(ERROR, "Unknown block size for target filesystem.\n");
+
+ return 0;
}
-char **read_raw_pkgs_from_file(const char *file_name)
+/* something to remove whitespace, a hash pooper */
+char *trim_xstrdup(const char *src)
{
- FILE *fp;
- char **ret;
-
- if(!(fp = fopen(file_name, "r"))){
- fprintf(stderr, "can't get %s open for read\n", file_name);
- return NULL;
- }
+ const char *end;
- ret = read_raw_pkgs_from_stream(fp);
+ /* remove it from the front */
+ while (src && isspace(*src) && *src)
+ src++;
- fclose(fp);
+ end = src + (strlen(src) - 1);
- return ret;
-}
+ /* and now from the back */
+ while ((end > src) && isspace(*end))
+ end--;
-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;
-}
+ end++;
-/* 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;
+ /* xstrndup will NULL terminate for us */
+ return xstrndup(src, end - src);
}
int line_is_blank(const char *line)
{
- const char *s;
-
- for (s = line; *s; s++) {
- if (!isspace(*s))
- return 0;
- }
- return 1;
-}
+ const char *s;
-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;
+ for (s = line; *s; s++) {
+ if (!isspace(*s))
+ return 0;
+ }
+ return 1;
}
-
-
-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;
- }
-
-
-}
-
-