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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
#ifndef test_testutils_h_
#define test_testutils_h_
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#ifndef UNUSED
#define UNUSED(x) ((x) = (x))
#endif
/* Redefine assert, so we can simply use the standard assert mechanism
* within testcases and exit with the right output for the testrunner
* to do the right thing. */
void __assert2(const char *expr, const char *function,
const char *file, int line);
void __assert2(const char *expr, const char *function,
const char *file, int line)
{
UNUSED(function);
UNUSED(file);
printf("FAIL - %s at line %d\n", expr, line);
exit(EXIT_FAILURE);
}
#undef assert
#define assert(expr) \
((void) ((expr) || (__assert2 (#expr, __func__, __FILE__, __LINE__), 0)))
typedef bool (*line_func)(const char *data, size_t datalen, void *pw);
static size_t css__parse_strlen(const char *str, size_t limit);
char *css__parse_strnchr(const char *str, size_t len, int chr);
bool css__parse_testfile(const char *filename, line_func callback, void *pw);
size_t css__parse_filesize(const char *filename);
/**
* Testcase datafile parser driver
*
* \param filename Name of file to parse
* \param callback Pointer to function to handle each line of input data
* \param pw Pointer to client-specific private data
* \return true on success, false otherwise.
*/
bool css__parse_testfile(const char *filename, line_func callback, void *pw)
{
FILE *fp;
char buf[300];
fp = fopen(filename, "rb");
if (fp == NULL) {
printf("Failed opening %s\n", filename);
return false;
}
while (fgets(buf, sizeof buf, fp)) {
if (buf[0] == '\n')
continue;
if (!callback(buf, css__parse_strlen(buf, sizeof buf - 1), pw)) {
fclose(fp);
return false;
}
}
fclose(fp);
return true;
}
/**
* Utility string length measurer; assumes strings are '\n' terminated
*
* \param str String to measure length of
* \param limit Upper bound on string length
* \return String length
*/
size_t css__parse_strlen(const char *str, size_t limit)
{
size_t len = 0;
if (str == NULL)
return 0;
while (len < limit - 1 && *str != '\n') {
len++;
str++;
}
len++;
return len;
}
/**
* Length-limited strchr
*
* \param str String to search in
* \param len Length of string
* \param chr Character to search for
* \return Pointer to character in string, or NULL if not found
*/
char *css__parse_strnchr(const char *str, size_t len, int chr)
{
size_t i;
if (str == NULL)
return NULL;
for (i = 0; i < len; i++) {
if (str[i] == chr)
break;
}
if (i == len)
return NULL;
return (char *) str + i;
}
/**
* Read the size of a file
*
* \param filename Name of file to read size of
* \return File size (in bytes), or 0 on error
*/
size_t css__parse_filesize(const char *filename)
{
FILE *fp;
size_t len = 0;
fp = fopen(filename, "rb");
if (fp == NULL) {
printf("Failed opening %s\n", filename);
return 0;
}
fseek(fp, 0, SEEK_END);
len = ftell(fp);
fclose(fp);
return len;
}
/**
* Convert a string representation of an error name to a LibCSS error code
*
* \param str String containing error name
* \param len Length of string (bytes)
* \return LibCSS error code, or CSS_OK if unknown
*/
css_error css_error_from_string(const char *str, size_t len);
css_error css_error_from_string(const char *str, size_t len)
{
if (strncmp(str, "CSS_OK", len) == 0) {
return CSS_OK;
} else if (strncmp(str, "CSS_NOMEM", len) == 0) {
return CSS_NOMEM;
} else if (strncmp(str, "CSS_BADPARM", len) == 0) {
return CSS_BADPARM;
} else if (strncmp(str, "CSS_INVALID", len) == 0) {
return CSS_INVALID;
} else if (strncmp(str, "CSS_FILENOTFOUND", len) == 0) {
return CSS_FILENOTFOUND;
} else if (strncmp(str, "CSS_NEEDDATA", len) == 0) {
return CSS_NEEDDATA;
} else if (strncmp(str, "CSS_BADCHARSET", len) == 0) {
return CSS_BADCHARSET;
} else if (strncmp(str, "CSS_EOF", len) == 0) {
return CSS_EOF;
}
return CSS_OK;
}
#endif
|
