avoid an unneeded check in the FT1 has_chars() method implementation
[imager.git] / log.c
CommitLineData
835813fd 1#define IMAGER_NO_CONTEXT
696cb85d 2#include "imageri.h"
e11d297f 3#include "imconfig.h"
02d1d628 4#include "log.h"
35891892 5#include <stdlib.h>
10ea52a3 6#include <errno.h>
8d14daab 7#include "imerror.h"
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8
9#ifdef IMAGER_LOG
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10
11#define DTBUFF 50
12#define DATABUFF DTBUFF+3+10+1+5+1+1
13
696cb85d 14#define LOG_DATE_FORMAT "%Y/%m/%d %H:%M:%S"
a482206e 15
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16static i_mutex_t log_mutex;
17
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18static void
19im_vloog(pIMCTX, int level, const char *fmt, va_list ap);
20
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21/*
22 * Logging is active
23 */
24
10ea52a3 25int
696cb85d 26im_init_log(pIMCTX, const char* name,int level) {
10ea52a3 27 i_clear_error();
6ee0c41f 28
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29 if (!log_mutex) {
30 log_mutex = i_mutex_new();
31 }
32
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33 if (aIMCTX->lg_file) {
34 if (aIMCTX->own_log)
35 fclose(aIMCTX->lg_file);
36 aIMCTX->lg_file = NULL;
37 }
38
696cb85d 39 aIMCTX->log_level = level;
02d1d628 40 if (level < 0) {
696cb85d 41 aIMCTX->lg_file = NULL;
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42 } else {
43 if (name == NULL) {
696cb85d 44 aIMCTX->lg_file = stderr;
6ee0c41f 45 aIMCTX->own_log = 0;
02d1d628 46 } else {
696cb85d 47 if (NULL == (aIMCTX->lg_file = fopen(name, "w+")) ) {
835813fd 48 im_push_errorf(aIMCTX, errno, "Cannot open file '%s': (%d)", name, errno);
10ea52a3 49 return 0;
02d1d628 50 }
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51 aIMCTX->own_log = 1;
52 setvbuf(aIMCTX->lg_file, NULL, _IONBF, BUFSIZ);
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53 }
54 }
696cb85d 55 if (aIMCTX->lg_file) {
835813fd 56 im_log((aIMCTX, 0,"Imager - log started (level = %d)\n", level));
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57 }
58
696cb85d 59 return aIMCTX->lg_file != NULL;
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60}
61
62void
b1e96952 63i_fatal(int exitcode,const char *fmt, ... ) {
02d1d628 64 va_list ap;
835813fd 65 dIMCTX;
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66
67 if (aIMCTX->lg_file != NULL) {
a482206e 68 va_start(ap,fmt);
44d86483 69 im_vloog(aIMCTX, 0, fmt, ap);
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70 va_end(ap);
71 }
72 exit(exitcode);
73}
02d1d628 74
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75void
76im_fatal(pIMCTX, int exitcode,const char *fmt, ... ) {
77 va_list ap;
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78
79 if (aIMCTX->lg_file != NULL) {
80 va_start(ap,fmt);
81 im_vloog(aIMCTX, 0, fmt, ap);
82 va_end(ap);
83 }
84 exit(exitcode);
85}
d03fd5a4 86
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87/*
88=item i_loog(level, format, ...)
89=category Logging
90
91This is an internal function called by the mm_log() macro.
92
93=cut
94*/
02d1d628 95
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96static void
97im_vloog(pIMCTX, int level, const char *fmt, va_list ap) {
98 time_t timi;
99 struct tm *str_tm;
100 char date_buffer[DTBUFF];
101
2e23caff 102 if (!aIMCTX || !aIMCTX->lg_file || level > aIMCTX->log_level)
696cb85d 103 return;
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104
105 i_mutex_lock(log_mutex);
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106
107 timi = time(NULL);
108 str_tm = localtime(&timi);
109 strftime(date_buffer, DTBUFF, LOG_DATE_FORMAT, str_tm);
110 fprintf(aIMCTX->lg_file, "[%s] %10s:%-5d %3d: ", date_buffer,
111 aIMCTX->filename, aIMCTX->line, level);
112 vfprintf(aIMCTX->lg_file, fmt, ap);
113 fflush(aIMCTX->lg_file);
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114
115 i_mutex_unlock(log_mutex);
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116}
117
02d1d628 118void
bf1573f9 119i_loog(int level,const char *fmt, ... ) {
835813fd 120 dIMCTX;
02d1d628 121 va_list ap;
696cb85d 122
2e23caff 123 if (!aIMCTX || !aIMCTX->lg_file || level > aIMCTX->log_level)
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124 return;
125
126 va_start(ap,fmt);
127 im_vloog(aIMCTX, level, fmt, ap);
128 va_end(ap);
129}
130
131void
132im_loog(pIMCTX, int level,const char *fmt, ... ) {
133 va_list ap;
134
2e23caff 135 if (!aIMCTX || !aIMCTX->lg_file || level > aIMCTX->log_level)
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136 return;
137
138 va_start(ap,fmt);
139 im_vloog(aIMCTX, level, fmt, ap);
140 va_end(ap);
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141}
142
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143/*
144=item i_lhead(file, line)
145=category Logging
146
147This is an internal function called by the mm_log() macro.
148
149=cut
150*/
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151
152void
696cb85d 153im_lhead(pIMCTX, const char *file, int line) {
2e23caff 154 if (aIMCTX && aIMCTX->lg_file != NULL) {
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155 aIMCTX->filename = file;
156 aIMCTX->line = line;
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157 }
158}
10ea52a3 159
696cb85d 160void i_lhead(const char *file, int line) {
835813fd 161 dIMCTX;
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162
163 im_lhead(aIMCTX, file, line);
164}
165
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166#else
167
168/*
169 * Logging is inactive - insert dummy functions
170 */
171
835813fd 172int im_init_log(pIMCTX, const char* name,int onoff) {
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173 i_clear_error();
174 i_push_error(0, "Logging disabled");
175 return 0;
176}
177
178void i_fatal(int exitcode,const char *fmt, ... ) { exit(exitcode); }
44d86483 179void im_fatal(pIMCTX, int exitcode,const char *fmt, ... ) { exit(exitcode); }
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180
181void
182i_loog(int level,const char *fmt, ... ) {
183}
184
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185void
186im_loog(pIMCTX, int level,const char *fmt, ... ) {
187}
188
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189void
190i_lhead(const char *file, int line) { }
191
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192void
193im_lhead(pIMCTX, const char *file, int line) { }
194
10ea52a3 195#endif