Mercurial > sci
annotate libsci/util.c @ 37:62aefd02ac59
make: remove config.mk
author | David Demelier <markand@malikania.fr> |
---|---|
date | Sun, 07 Aug 2022 08:41:06 +0200 |
parents | e52c762d8ba8 |
children | 319979427566 |
rev | line source |
---|---|
0 | 1 /* |
2 * util.c -- miscellaneous utilities | |
3 * | |
32
081e1c258e64
misc: update copyright years
David Demelier <markand@malikania.fr>
parents:
30
diff
changeset
|
4 * Copyright (c) 2021-2022 David Demelier <markand@malikania.fr> |
0 | 5 * |
6 * Permission to use, copy, modify, and/or distribute this software for any | |
7 * purpose with or without fee is hereby granted, provided that the above | |
8 * copyright notice and this permission notice appear in all copies. | |
9 * | |
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 */ | |
18 | |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
19 #include <sys/stat.h> |
0 | 20 #include <assert.h> |
30 | 21 #include <errno.h> |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
22 #include <fcntl.h> |
0 | 23 #include <libgen.h> |
24 #include <limits.h> | |
25 #include <stdarg.h> | |
26 #include <stdio.h> | |
27 #include <stdlib.h> | |
28 #include <string.h> | |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
29 #include <unistd.h> |
0 | 30 |
31 #include "util.h" | |
32 | |
33 void * | |
34 util_malloc(size_t size) | |
35 { | |
36 void *ret; | |
37 | |
38 if (!(ret = malloc(size))) | |
30 | 39 util_die("malloc: %s\n", strerror(errno)); |
0 | 40 |
41 return ret; | |
42 } | |
43 | |
44 void * | |
45 util_calloc(size_t n, size_t size) | |
46 { | |
47 void *ret; | |
48 | |
49 if (!(ret = calloc(n, size))) | |
30 | 50 util_die("calloc: %s\n", strerror(errno)); |
0 | 51 |
52 return ret; | |
53 } | |
54 | |
55 void * | |
56 util_realloc(void *ptr, size_t size) | |
57 { | |
58 void *ret; | |
59 | |
60 if (!(ret = realloc(ptr, size)) && size) | |
30 | 61 util_die("realloc: %s\n", strerror(errno)); |
0 | 62 |
63 return ret; | |
64 } | |
65 | |
66 char * | |
67 util_strdup(const char *src) | |
68 { | |
69 char *ret; | |
70 | |
71 if (!(ret = strdup(src))) | |
30 | 72 util_die("strdup: %s\n", strerror(errno)); |
0 | 73 |
74 return ret; | |
75 } | |
76 | |
77 char * | |
78 util_strndup(const char *src, size_t n) | |
79 { | |
80 assert(src); | |
81 | |
82 char *ret; | |
83 | |
84 if (!(ret = strndup(src, n))) | |
30 | 85 util_die("strndup: %s\n", strerror(errno)); |
0 | 86 |
87 return ret; | |
88 } | |
89 | |
90 char * | |
91 util_basename(const char *str) | |
92 { | |
93 static char ret[PATH_MAX]; | |
94 char tmp[PATH_MAX]; | |
95 | |
20 | 96 util_strlcpy(tmp, str, sizeof (tmp)); |
97 util_strlcpy(ret, basename(tmp), sizeof (ret)); | |
0 | 98 |
99 return ret; | |
100 } | |
101 | |
102 char * | |
103 util_dirname(const char *str) | |
104 { | |
105 static char ret[PATH_MAX]; | |
106 char tmp[PATH_MAX]; | |
107 | |
20 | 108 util_strlcpy(tmp, str, sizeof (tmp)); |
109 util_strlcpy(ret, dirname(tmp), sizeof (ret)); | |
0 | 110 |
111 return ret; | |
112 } | |
113 | |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
114 FILE * |
30 | 115 util_open_memstream(char **out, size_t *outsz) |
0 | 116 { |
30 | 117 assert(out); |
118 assert(outsz); | |
0 | 119 |
30 | 120 FILE *fp; |
0 | 121 |
30 | 122 if (!(fp = open_memstream(out, outsz))) |
123 util_die("open_memstream: %s\n", strerror(errno)); | |
0 | 124 |
30 | 125 return fp; |
0 | 126 } |
1
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
127 |
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
128 char * |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
129 util_read(const char *path) |
1
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
130 { |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
131 int fd; |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
132 struct stat st; |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
133 char *ret; |
1
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
134 |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
135 if ((fd = open(path, O_RDONLY)) < 0) |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
136 return NULL; |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
137 if (fstat(fd, &st) < 0) |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
138 return close(fd), NULL; |
1
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
139 |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
140 ret = util_calloc(1, st.st_size + 1); |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
141 |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
142 if (read(fd, ret, st.st_size) != st.st_size) { |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
143 free(ret); |
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
144 ret = NULL; |
1
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
145 } |
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
146 |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
147 close(fd); |
1
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
148 |
3
215c0c3b3609
misc: use JSON everywhere (scictl/sciwebd)
David Demelier <markand@malikania.fr>
parents:
2
diff
changeset
|
149 return ret; |
1
5afdb14df924
sci: add support for storing results
David Demelier <markand@malikania.fr>
parents:
0
diff
changeset
|
150 } |
2
5fa3d2f479b2
sci: initial upload support
David Demelier <markand@malikania.fr>
parents:
1
diff
changeset
|
151 |
19 | 152 void |
153 util_die(const char *fmt, ...) | |
154 { | |
155 assert(fmt); | |
156 | |
157 va_list ap; | |
158 | |
159 va_start(ap, fmt); | |
160 vfprintf(stderr, fmt, ap); | |
161 va_end(ap); | |
162 exit(1); | |
163 } | |
30 | 164 |
165 json_t * | |
166 util_json_pack(const char *fmt, ...) | |
167 { | |
168 va_list ap; | |
169 json_t *doc; | |
170 json_error_t err; | |
171 | |
172 va_start(ap, fmt); | |
173 doc = json_vpack_ex(&err, 0, fmt, ap); | |
174 va_end(ap); | |
175 | |
176 if (!doc) | |
177 util_die("json_vpack_ex: %s\n", err.text); | |
178 | |
179 return doc; | |
180 } | |
181 | |
182 char * | |
183 util_json_dump(const json_t *json) | |
184 { | |
185 assert(json); | |
186 | |
187 char *ret; | |
188 | |
189 if (!(ret = json_dumps(json, JSON_COMPACT))) | |
190 util_die("json_dump: %s\n", strerror(ENOMEM)); | |
191 | |
192 return ret; | |
193 } |