91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/* Public domain fmtmsg()
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* Written by Isaac Dunham, 2014
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*/
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#include <fmtmsg.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <pthread.h>
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/*
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* If lstr is the first part of bstr, check that the next char in bstr
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* is either \0 or :
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*/
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static int _strcolcmp(const char *lstr, const char *bstr)
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{
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size_t i = 0;
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while (lstr[i] && bstr[i] && (bstr[i] == lstr[i])) i++;
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if ( lstr[i] || (bstr[i] && bstr[i] != ':')) return 1;
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return 0;
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}
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int fmtmsg(long classification, const char *label, int severity,
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const char *text, const char *action, const char *tag)
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{
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int ret = 0, i, consolefd, verb = 0;
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char *errstring = MM_NULLSEV, *cmsg = getenv("MSGVERB");
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char *const msgs[] = {
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"label", "severity", "text", "action", "tag", NULL
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};
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int cs;
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pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
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if (severity == MM_HALT) errstring = "HALT: ";
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else if (severity == MM_ERROR) errstring = "ERROR: ";
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else if (severity == MM_WARNING) errstring = "WARNING: ";
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else if (severity == MM_INFO) errstring = "INFO: ";
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if (classification & MM_CONSOLE) {
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consolefd = open("/dev/console", O_WRONLY);
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if (consolefd < 0) {
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ret = MM_NOCON;
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} else {
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if (dprintf(consolefd, "%s%s%s%s%s%s%s%s\n",
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label?label:"", label?": ":"",
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severity?errstring:"", text?text:"",
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action?"\nTO FIX: ":"",
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action?action:"", action?" ":"",
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tag?tag:"" )<1)
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ret = MM_NOCON;
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close(consolefd);
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}
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}
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if (classification & MM_PRINT) {
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while (cmsg && cmsg[0]) {
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for(i=0; msgs[i]; i++) {
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if (!_strcolcmp(msgs[i], cmsg)) break;
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}
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if (msgs[i] == NULL) {
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//ignore MSGVERB-unrecognized component
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verb = 0xFF;
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break;
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} else {
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verb |= (1 << i);
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cmsg = strchr(cmsg, ':');
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if (cmsg) cmsg++;
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}
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}
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if (!verb) verb = 0xFF;
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if (dprintf(2, "%s%s%s%s%s%s%s%s\n",
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(verb&1 && label) ? label : "",
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(verb&1 && label) ? ": " : "",
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(verb&2 && severity) ? errstring : "",
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(verb&4 && text) ? text : "",
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(verb&8 && action) ? "\nTO FIX: " : "",
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(verb&8 && action) ? action : "",
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(verb&8 && action) ? " " : "",
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(verb&16 && tag) ? tag : "" ) < 1)
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ret |= MM_NOMSG;
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}
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if ((ret & (MM_NOCON|MM_NOMSG)) == (MM_NOCON|MM_NOMSG))
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ret = MM_NOTOK;
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pthread_setcancelstate(cs, 0);
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return ret;
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}
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