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comparison rvinterf/ctracedec/processlog.c @ 858:4c6e7ada647b

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compressed trace decoder almost fully implemented
author Space Falcon <falcon@ivan.Harhan.ORG>
date Sat, 02 May 2015 08:08:26 +0000
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857:2768b4339275 858:4c6e7ada647b
1 /*
2 * This module contains the code that processes rvtdump/rvinterf log files
3 * at the high level and identifies which lines are compressed traces.
4 */
5
6 #include <stdio.h>
7 #include <ctype.h>
8 #include <string.h>
9 #include <strings.h>
10 #include <stdlib.h>
11
12 is_logline_ctrace(line)
13 char *line;
14 {
15 char *cp = line;
16
17 if (*cp++ != '[')
18 return(0);
19 if (!isdigit(*cp++))
20 return(0);
21 if (!isdigit(*cp++))
22 return(0);
23 if (*cp++ != ':')
24 return(0);
25 if (!isdigit(*cp++))
26 return(0);
27 if (!isdigit(*cp++))
28 return(0);
29 if (*cp++ != ':')
30 return(0);
31 if (!isdigit(*cp++))
32 return(0);
33 if (!isdigit(*cp++))
34 return(0);
35 if (strncmp(cp, "] GPF trace ", 12))
36 return(0);
37 cp += 12;
38 while (isalpha(*cp)) {
39 while (*cp && !isspace(*cp))
40 cp++;
41 if (isspace(*cp))
42 cp++;
43 else
44 return(0);
45 }
46 if (isdigit(*cp))
47 return(cp - line);
48 else
49 return(0);
50 }
51
52 process_log_file(filename)
53 char *filename;
54 {
55 FILE *f;
56 char linebuf[512], *cp;
57 int lineno, i;
58
59 f = fopen(filename, "r");
60 if (!f) {
61 perror(filename);
62 exit(1);
63 }
64 for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) {
65 cp = index(linebuf, '\n');
66 if (!cp) {
67 fprintf(stderr,
68 "error: %s line %d is too long or unterminated\n",
69 filename, lineno);
70 exit(1);
71 }
72 *cp = '\0';
73 i = is_logline_ctrace(linebuf);
74 if (i)
75 process_ctrace_line(linebuf, i, filename, lineno);
76 else
77 puts(linebuf);
78 }
79 fclose(f);
80 return(0);
81 }