| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id$"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* dmessage.c |
| 6 |
* panlib |
| 7 |
* |
| 8 |
* Debug message reporting routines. |
| 9 |
* |
| 10 |
* Created by gward on Thu May 10 2001. |
| 11 |
* Copyright (c) 2001 Anyhere Software. All rights reserved. |
| 12 |
* |
| 13 |
*/ |
| 14 |
|
| 15 |
#include <stdio.h> |
| 16 |
#include <stdlib.h> |
| 17 |
#include <string.h> |
| 18 |
#include <errno.h> |
| 19 |
#include "dmessage.h" |
| 20 |
|
| 21 |
#define DM_NCLASSES DMCnerr /* number of message classes */ |
| 22 |
#define DM_MOSTFLAGS (DMFrecord|DMFlog|DMFstderr|DMFalert) |
| 23 |
|
| 24 |
char dmessage_buf[DM_BUF_LEN]; |
| 25 |
const char * dmessage_class_name[DM_NCLASSES+1] = { |
| 26 |
"assert", |
| 27 |
"memory", |
| 28 |
"system", |
| 29 |
"parameter", |
| 30 |
"resource", |
| 31 |
"data", |
| 32 |
"input", |
| 33 |
"warning", |
| 34 |
"info", |
| 35 |
"trace", |
| 36 |
"none" |
| 37 |
}; |
| 38 |
int dmessage_class_flags[DM_NCLASSES+1] = { |
| 39 |
DM_MOSTFLAGS|DMFabort, |
| 40 |
DM_MOSTFLAGS|DMFexit, |
| 41 |
DM_MOSTFLAGS, |
| 42 |
DM_MOSTFLAGS, |
| 43 |
DM_MOSTFLAGS, |
| 44 |
DM_MOSTFLAGS, |
| 45 |
DM_MOSTFLAGS, |
| 46 |
DMFrecord|DMFlog|DMFstderr, |
| 47 |
DMFrecord|DMFlog, |
| 48 |
DMFrecord, |
| 49 |
0 |
| 50 |
}; |
| 51 |
int dmessage_class_done[DM_NCLASSES]; |
| 52 |
const char * dmessage_file[DM_NCLASSES]; |
| 53 |
int dmessage_line[DM_NCLASSES]; |
| 54 |
const char * dmessage_record[DM_NCLASSES+1]; |
| 55 |
DMsgClass dmessage_last_class = DMCnerr; |
| 56 |
FILE * dmessage_logfp = NULL; |
| 57 |
int (*dmessage_call)(DMsgClass cls, const char *msg, |
| 58 |
const char *file, int line) = NULL; |
| 59 |
int (*dmessage_alert)(const char *msg) = NULL; |
| 60 |
void (*dmessage_exit)(int status) = exit; |
| 61 |
void (*dmessage_abort)() = abort; |
| 62 |
|
| 63 |
#define DM_MAX_RECORD 128 |
| 64 |
|
| 65 |
static char dmessage_mine[DM_NCLASSES][DM_MAX_RECORD]; |
| 66 |
|
| 67 |
/* Report/record message, aborting program if cls is DMCassert */ |
| 68 |
int |
| 69 |
dmessage(DMsgClass cls, const char *msg, const char *file, int line) |
| 70 |
{ |
| 71 |
int todo; |
| 72 |
const char *cp; |
| 73 |
if ((cls < 0) | (cls >= DMCnerr)) |
| 74 |
return 0; |
| 75 |
todo = dmessage_class_flags[cls]; |
| 76 |
if (msg == NULL || !*msg) |
| 77 |
msg = "(missing message)"; |
| 78 |
if (file != NULL && ((cp = strrchr(file, '/')) != NULL || |
| 79 |
(cp = strrchr(file, '\\')) != NULL)) |
| 80 |
file = cp+1; /* use tail */ |
| 81 |
dmessage_file[cls] = file; /* remember call */ |
| 82 |
dmessage_line[cls] = line; |
| 83 |
dmessage_class_done[cls] = todo; |
| 84 |
if (cls < dmessage_last_class) /* mark class */ |
| 85 |
dmessage_last_class = cls; |
| 86 |
if (dmessage_call != NULL) /* notify callback */ |
| 87 |
todo &= ~(*dmessage_call)(cls, msg, file, line); |
| 88 |
if (todo & DMFrecord) { /* save message */ |
| 89 |
if (msg != dmessage_buf && strlen(msg) >= DM_MAX_RECORD) { |
| 90 |
dmessage_record[cls] = msg; |
| 91 |
} else { |
| 92 |
strncpy(dmessage_mine[cls], msg, DM_MAX_RECORD-1); |
| 93 |
dmessage_record[cls] = dmessage_mine[cls]; |
| 94 |
} |
| 95 |
todo &= ~DMFrecord; |
| 96 |
} |
| 97 |
if (todo & DMFstderr) { /* send to stderr */ |
| 98 |
if (file != NULL) |
| 99 |
fprintf(stderr, "%s@%d>%s: %s", file, line, |
| 100 |
dmessage_class_name[cls], msg); |
| 101 |
else |
| 102 |
fprintf(stderr, "%s: %s", |
| 103 |
dmessage_class_name[cls], msg); |
| 104 |
if ((cls == DMCsystem) | (cls == DMCresource) && errno) { |
| 105 |
fputs(": ", stderr); |
| 106 |
perror(NULL); |
| 107 |
} else |
| 108 |
fputc('\n', stderr); |
| 109 |
if (fflush(stderr) != EOF) { |
| 110 |
todo &= ~DMFstderr; |
| 111 |
if (dmessage_logfp == stderr) |
| 112 |
todo &= ~DMFlog; |
| 113 |
} |
| 114 |
} |
| 115 |
if (todo & DMFlog && dmessage_logfp != NULL) { /* log to file */ |
| 116 |
if (file != NULL) |
| 117 |
fprintf(dmessage_logfp, "%s@%d>%s: %s\n", file, line, |
| 118 |
dmessage_class_name[cls], msg); |
| 119 |
else |
| 120 |
fprintf(dmessage_logfp, "%s: %s\n", |
| 121 |
dmessage_class_name[cls], msg); |
| 122 |
if (fflush(dmessage_logfp) != EOF) |
| 123 |
todo &= ~DMFlog; |
| 124 |
} |
| 125 |
if (todo & DMFalert && dmessage_alert != NULL) /* alert user */ |
| 126 |
if ((*dmessage_alert)(msg)) |
| 127 |
todo &= ~DMFalert; |
| 128 |
|
| 129 |
if (todo & DMFabort && dmessage_abort != NULL) {/* abort */ |
| 130 |
(*dmessage_abort)(); |
| 131 |
todo &= ~DMFabort; |
| 132 |
} |
| 133 |
if (todo & DMFexit && dmessage_exit != NULL) { /* exit */ |
| 134 |
(*dmessage_exit)(1); |
| 135 |
todo &= ~DMFexit; |
| 136 |
} |
| 137 |
/* say what was done */ |
| 138 |
return dmessage_class_done[cls] = (dmessage_class_flags[cls] & ~todo); |
| 139 |
} |
