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/* 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
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 "includes.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 = calloc (1, 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 = calloc(1, 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 = calloc (1, 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;
}
}
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