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check whether a connection exists before executing certain commands

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This commit is contained in:
josch
2014-10-25 11:34:34 +02:00
parent 5e24f47c10
commit fe17cb517f
11 changed files with 78 additions and 3 deletions
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13
mfshell/commands/file.c
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@@ -38,6 +38,11 @@ int mfshell_cmd_file(mfshell * mfshell, int argc, char *const argv[])
if (mfshell == NULL)
return -1;
if (mfshell->conn == NULL) {
fprintf(stderr, "conn is NULL\n");
return -1;
}
if (argc != 2) {
fprintf(stderr, "Invalid number of arguments\n");
return -1;
@@ -55,11 +60,13 @@ int mfshell_cmd_file(mfshell * mfshell, int argc, char *const argv[])
file = file_alloc();
retval = mfconn_api_file_get_info(mfshell->conn, file, (char *)quickkey);
if (retval != 0) {
fprintf(stderr, "api call unsuccessful\n");
}
mfconn_update_secret_key(mfshell->conn);
if (retval != 0) {
fprintf(stderr, "mfconn_api_file_get_info failed\n");
return -1;
}
quickkey = file_get_key(file);
name = file_get_name(file);
hash = file_get_hash(file);