dte test coverage


Directory: ./
File: src/command/error.c
Date: 2025-07-19 20:13:10
Exec Total Coverage
Lines: 47 48 97.9%
Functions: 6 6 100.0%
Branches: 10 12 83.3%

Line Branch Exec Source
1 #include <errno.h>
2 #include <stdarg.h>
3 #include <stdio.h>
4 #include <string.h>
5 #include "error.h"
6 #include "util/log.h"
7 #include "util/xstdio.h"
8
9 VPRINTF(3)
10 172 static void error_msgv(ErrorBuffer *eb, const char *cmd, const char *format, va_list ap)
11 {
12 172 const size_t size = sizeof(eb->buf);
13 172 const char *file = eb->config_filename;
14 172 unsigned int line = eb->config_line;
15 172 int pos = 0;
16
17
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172 if (file && cmd) {
18 3 pos = snprintf(eb->buf, size, "%s:%u: %s: ", file, line, cmd);
19
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169 } else if (file) {
20 11 pos = snprintf(eb->buf, size, "%s:%u: ", file, line);
21
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158 } else if (cmd) {
22 145 pos = snprintf(eb->buf, size, "%s: ", cmd);
23 }
24
25
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159 LOG_ERRNO_ON(pos < 0, "snprintf");
26 172 pos = MAX(0, pos);
27
28
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172 if (likely(pos < (size - 3))) {
29 172 vsnprintf(eb->buf + pos, size - pos, format, ap);
30 } else {
31 LOG_WARNING("no buffer space left for error message");
32 }
33
34
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172 if (eb->print_to_stderr) {
35 5 xfputs(eb->buf, stderr);
36 5 xfputc('\n', stderr);
37 5 eb->stderr_errors_printed = true;
38 }
39
40 172 eb->is_error = true;
41 172 eb->nr_errors++;
42 172 LOG_INFO("%s", eb->buf);
43 172 }
44
45 151 bool error_msg(ErrorBuffer *eb, const char *format, ...)
46 {
47 151 va_list ap;
48 151 va_start(ap, format);
49 151 error_msgv(eb, eb->command_name, format, ap);
50 151 va_end(ap);
51 151 return false; // To allow tail-calling from command handlers
52 }
53
54 21 bool error_msg_for_cmd(ErrorBuffer *eb, const char *cmd, const char *format, ...)
55 {
56 21 va_list ap;
57 21 va_start(ap, format);
58 21 error_msgv(eb, cmd, format, ap);
59 21 va_end(ap);
60 21 return false;
61 }
62
63 1 bool error_msg_errno(ErrorBuffer *eb, const char *prefix)
64 {
65 1 return error_msg(eb, "%s: %s", prefix, strerror(errno));
66 }
67
68 14 bool info_msg(ErrorBuffer *eb, const char *format, ...)
69 {
70 14 va_list ap;
71 14 va_start(ap, format);
72 14 vsnprintf(eb->buf, sizeof(eb->buf), format, ap);
73 14 va_end(ap);
74 14 eb->is_error = false;
75 14 return true; // To allow tail-calling from command handlers
76 }
77
78 155 void clear_error(ErrorBuffer *eb)
79 {
80 155 eb->buf[0] = '\0';
81 155 }
82