asar coverage - build #122

src/asar/
File: src/asar/platform/linux/file-helpers-linux.cpp
Date: 2024-01-21 07:51:35
Lines:
44/58
75.9%
Functions:
10/10
100.0%
Branches:
13/25
52.0%
Line Branch Exec Source
1 #include "platform/file-helpers.h"
2 #include <sys/stat.h>
3 #include <errno.h>
4
5 9935 bool file_exists(const char * filename)
6 {
7 struct stat st;
8 9935 return (!stat(filename, &st));
9 }
10
11 21562 bool path_is_absolute(const char* path)
12 {
13 21562 return ('/' == path[0]);
14 }
15
16 50 char get_native_path_separator()
17 {
18 50 return '/';
19 }
20
21 776 bool check_is_regular_file(const char* path)
22 {
23 struct stat finfo;
24
1/2
✓ Branch 0 taken 776 times.
✗ Branch 1 not taken.
 776 if (stat(path, &finfo) == 0)
25 {
26 // either regular file or symlink
27
2/2
✓ Branch 0 taken 758 times.
✓ Branch 1 taken 18 times.
 776 if (finfo.st_mode & (S_IFREG | S_IFLNK))
28 758 return true;
29 }
30 18 return false;
31 }
32
33
34 1350 FileHandleType open_file(const char* path, FileOpenMode mode, FileOpenError* error)
35 {
36 1350 FILE* out_handle = NULL;
37 const char* open_mode;
38
39
2/4
✓ Branch 0 taken 118 times.
✓ Branch 1 taken 1232 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 1350 switch (mode)
40 {
41 118 case FileOpenMode_ReadWrite:
42 118 open_mode = "r+b";
43 118 break;
44 1232 case FileOpenMode_Read:
45 1232 open_mode = "rb";
46 1232 break;
47 ✗ case FileOpenMode_Write:
48 ✗ open_mode = "wb";
49 ✗ break;
50 }
51
52 1350 out_handle = fopen(path, open_mode);
53
54
2/2
✓ Branch 0 taken 758 times.
✓ Branch 1 taken 592 times.
 1350 if (error != NULL)
55 {
56
1/2
✓ Branch 0 taken 758 times.
✗ Branch 1 not taken.
 758 if (out_handle != NULL)
57 {
58 758 *error = FileOpenError_None;
59 }
60 else
61 {
62 ✗ int fopen_error = errno;
63
64 ✗ switch (fopen_error)
65 {
66 ✗ case ENOENT:
67 ✗ *error = FileOpenError_NotFound;
68 ✗ break;
69 ✗ case EACCES:
70 ✗ *error = FileOpenError_AccessDenied;
71 ✗ break;
72 ✗ default:
73 ✗ *error = FileOpenError_Unknown;
74 ✗ break;
75 }
76 }
77 }
78
79 1350 return out_handle;
80 }
81
82 1350 void close_file(FileHandleType handle)
83 {
84
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1350 times.
 1350 if (handle == InvalidFileHandle) return;
85
86 1350 fclose(handle);
87 }
88
89 1350 uint64_t get_file_size(FileHandleType handle)
90 {
91
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1350 times.
 1350 if (handle == InvalidFileHandle) return 0u;
92
93 1350 long int f_pos = ftell(handle);
94 1350 fseek(handle, 0, SEEK_END);
95 1350 long int f_size = ftell(handle);
96 1350 fseek(handle, f_pos, SEEK_SET);
97
98 1350 return (uint64_t)f_size;
99 }
100
101 977 void set_file_pos(FileHandleType handle, uint64_t pos)
102 {
103
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 977 times.
 977 if (handle == InvalidFileHandle) return;
104
105 // TODO: Some error handling would be wise here.
106
107 977 fseek(handle, pos, SEEK_SET);
108 }
109
110 1371 uint32_t read_file(FileHandleType handle, void* buffer, uint32_t num_bytes)
111 {
112
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1371 times.
 1371 if (handle == InvalidFileHandle) return 0u;
113
114 // TODO: Some error handling would be wise here.
115
116 1371 return (uint32_t)fread(buffer, 1, num_bytes, handle);
117 }
118
119 80 uint32_t write_file(FileHandleType handle, const void* buffer, uint32_t num_bytes)
120 {
121
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 80 times.
 80 if (handle == InvalidFileHandle) return 0u;
122
123 // TODO: Some error handling would be wise here.
124
125 80 return (uint32_t)fwrite(buffer, 1, num_bytes, handle);
126 }
127