/* 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 <sys/statvfs.h>
-#include "opkg_utils.h"
-#include "pkg.h"
-#include "pkg_hash.h"
#include "libbb/libbb.h"
+#include "opkg_utils.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;
-}
-
-char **read_raw_pkgs_from_file(const char *file_name)
+unsigned long get_available_kbytes(char *filesystem)
{
- 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);
+ struct statvfs f;
- fclose(fp);
+ 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);
- return ret;
-}
+ opkg_msg(ERROR, "Unknown block size for target filesystem.\n");
-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++] = xstrdup(buf);
- }
-
- raw = realloc(raw, (count + 1) * sizeof(char *));
- raw[count] = NULL;
-
- free (buf);
-
- return raw;
+ return 0;
}
/* something to remove whitespace, a hash pooper */
-char *trim_alloc(char *line)
+char *trim_xstrdup(const char *src)
{
- 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;
-}
+ const char *end;
-int line_is_blank(const char *line)
-{
- const char *s;
-
- for (s = line; *s; s++) {
- if (!isspace(*s))
- return 0;
- }
- return 1;
-}
+ /* remove it from the front */
+ while (src && isspace(*src) && *src)
+ src++;
-static struct errlist *error_list_head, *error_list_tail;
+ end = src + (strlen(src) - 1);
-/*
- * 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 = calloc(1, sizeof(struct errlist));
- if (e == NULL) {
- fprintf(stderr, "%s: calloc: %s\n",
- __FUNCTION__, strerror(errno));
- return;
- }
+ /* and now from the back */
+ while ((end > src) && isspace(*end))
+ end--;
- e->errmsg = xstrdup(msg);
- e->next = NULL;
+ end++;
- if (error_list_head) {
- error_list_tail->next = e;
- error_list_tail = e;
- } else {
- error_list_head = error_list_tail = e;
- }
+ /* xstrndup will NULL terminate for us */
+ return xstrndup(src, end - src);
}
-void free_error_list(void)
+int line_is_blank(const char *line)
{
- struct errlist *err, *err_tmp;
-
- err = error_list_head;
- while (err != NULL) {
- free(err->errmsg);
- err_tmp = err;
- err = err->next;
- free(err_tmp);
- }
-}
+ const char *s;
-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;
- }
+ for (s = line; *s; s++) {
+ if (!isspace(*s))
+ return 0;
}
+ return 1;
}