1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
#define _GNU_SOURCE
#include <bsd/string.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include "yawa.h"
#include "utils.h"
int
parse_int(char *string, char *arg)
{
errno = 0;
char *endptr;
long val = strtol(string, &endptr, 10);
if (errno != 0)
{
char *errormsg;
asprintf(&errormsg, "parse_int: failed to parse %s", arg);
perror(errormsg);
free(errormsg);
exit(-2);
}
if (endptr == string)
{
fprintf(stderr, "Valid %s not found\n", arg);
exit(-2);
}
return (int)val;
}
bool
parse_color(char *hex, Color *c, int a)
{
if ((strlen(hex) != 7) && (strlen(hex) != 9))
return false;
int len;
if (strlen(hex) == 9) {
len = 4;
} else {
len = 3;
}
hex++;
int colors[4];
for (int i = 0; i < len; hex += 2, i++) {
char color[3];
strlcpy(color, hex, 3);
char *endptr;
errno = 0;
long val = strtol(color, &endptr, 16);
if (errno != 0) {
perror("strtol");
exit(-2);
}
if (endptr == color) {
fprintf(stderr, "No valid hex color found\n");
exit(-2);
}
colors[i] = (int)val;
}
c->r = colors[0];
c->g = colors[1];
c->b = colors[2];
if (len == 4) {
c->a = colors[3];
} else {
c->a = a;
}
return true;
}
|