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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"
#include "libbb/libbb.h"
void print_pkg_status(pkg_t * pkg, FILE * file);
long unsigned 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); */
// Actually ((sfs.f_bavail * sfs.f_bsize) / 1024)
// and here we try to avoid overflow.
if (sfs.f_bsize >= 1024)
return (sfs.f_bavail * (sfs.f_bsize / 1024));
else if (sfs.f_bsize > 0)
return sfs.f_bavail / (1024 / sfs.f_bsize);
fprintf(stderr, "bad statfs f_bsize == 0\n");
return 0;
}
/* something to remove whitespace, a hash pooper */
char *trim_xstrdup(const char *src)
{
const char *end;
/* remove it from the front */
while(src &&
isspace(*src) &&
*src)
src++;
end = src + (strlen(src) - 1);
/* and now from the back */
while((end > src) &&
isspace(*end))
end--;
end++;
/* 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;
}
static struct errlist *error_list_head, *error_list_tail;
/*
* XXX: this function should not allocate memory as it may be called to
* print an error because we are out of memory.
*/
void push_error_list(char * msg)
{
struct errlist *e;
e = xcalloc(1, sizeof(struct errlist));
e->errmsg = xstrdup(msg);
e->next = NULL;
if (error_list_head) {
error_list_tail->next = e;
error_list_tail = e;
} else {
error_list_head = error_list_tail = e;
}
}
void free_error_list(void)
{
struct errlist *err, *err_tmp;
err = error_list_head;
while (err != NULL) {
free(err->errmsg);
err_tmp = err;
err = err->next;
free(err_tmp);
}
}
void print_error_list (void)
{
struct errlist *err = error_list_head;
if (err) {
printf ("Collected errors:\n");
/* Here we print the errors collected and free the list */
while (err != NULL) {
printf (" * %s", err->errmsg);
err = err->next;
}
}
}
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