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shell: fix _ccnl_content command

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This commit is contained in:
smlng 2017-05-09 17:35:43 +02:00
parent 235ef93f00
commit f40e70777a
1 changed files with 17 additions and 19 deletions
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36
sys/shell/commands/sc_ccnl.c
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@ -89,37 +89,35 @@ static void _content_usage(char *argv)
int _ccnl_content(int argc, char **argv)
{
char *body = (char*) _default_content;
int arg_len = strlen(_default_content) + 1;
int offs = CCNL_MAX_PACKET_SIZE;
if (argc < 2) {
_content_usage(argv[0]);
return -1;
}
int arg_len;
char *body = (char*) _default_content;
char buf[BUF_SIZE+1]; /* add one extra space to fit trailing '\0' */
if (argc > 2) {
char buf[BUF_SIZE];
char *buf_ptr = buf;
for (int i = 2; (i < argc) && (buf_ptr < (buf + BUF_SIZE)); i++) {
if (i > 2) {
*(buf_ptr++) = ' ';
}
unsigned pos = 0;
for (int i = 2; (i < argc) && (pos < BUF_SIZE); ++i) {
arg_len = strlen(argv[i]);
if ((buf_ptr + arg_len) > (buf + BUF_SIZE)) {
arg_len = (buf + BUF_SIZE) - buf_ptr;
if ((pos + arg_len) > BUF_SIZE) {
arg_len = BUF_SIZE - pos;
}
strncpy(buf_ptr, argv[i], arg_len);
buf_ptr += arg_len;
strncpy(&buf[pos], argv[i], arg_len);
pos += arg_len;
/* increment pos _after_ adding ' ' */
buf[pos++] = ' ';
}
*buf_ptr = '\0';
/* decrement pos _before_ to overwrite last ' ' with '\0' */
buf[--pos] = '\0';
body = buf;
arg_len = strlen(body);
}
arg_len = strlen(body);
int suite = CCNL_SUITE_NDNTLV;
struct ccnl_prefix_s *prefix = ccnl_URItoPrefix(argv[1], suite, NULL, NULL);
struct ccnl_prefix_s *prefix = ccnl_URItoPrefix(argv[1], CCNL_SUITE_NDNTLV, NULL, NULL);
int offs = CCNL_MAX_PACKET_SIZE;
arg_len = ccnl_ndntlv_prependContent(prefix, (unsigned char*) body, arg_len, NULL, NULL, &offs, _out);
free_prefix(prefix);