93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <guacamole/timestamp.h>
|
|
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
int guacenc_parse_int(char* arg, int* i) {
|
|
|
|
char* end;
|
|
|
|
/* Parse string as an integer */
|
|
errno = 0;
|
|
long int value = strtol(arg, &end, 10);
|
|
|
|
/* Ignore number if invalid / non-positive */
|
|
if (errno != 0 || value <= 0 || value > INT_MAX || *end != '\0')
|
|
return 1;
|
|
|
|
/* Store value */
|
|
*i = value;
|
|
|
|
/* Parsing successful */
|
|
return 0;
|
|
|
|
}
|
|
|
|
int guacenc_parse_dimensions(char* arg, int* width, int* height) {
|
|
|
|
/* Locate the 'x' within the dimensions string */
|
|
char* x = strchr(arg, 'x');
|
|
if (x == NULL)
|
|
return 1;
|
|
|
|
/* Replace 'x' with a null terminator */
|
|
*x = '\0';
|
|
|
|
/* Parse width and height */
|
|
int w, h;
|
|
if (guacenc_parse_int(arg, &w) || guacenc_parse_int(x+1, &h))
|
|
return 1;
|
|
|
|
/* Width and height are both valid */
|
|
*width = w;
|
|
*height = h;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
guac_timestamp guacenc_parse_timestamp(const char* str) {
|
|
|
|
int sign = 1;
|
|
int64_t num = 0;
|
|
|
|
for (; *str != '\0'; str++) {
|
|
|
|
/* Flip sign for each '-' encountered */
|
|
if (*str == '-')
|
|
sign = -sign;
|
|
|
|
/* If not '-', assume the character is a digit */
|
|
else
|
|
num = num * 10 + (*str - '0');
|
|
|
|
}
|
|
|
|
return (guac_timestamp) (num * sign);
|
|
|
|
}
|
|
|