Mercurial > libpst
annotate src/readpstlog.c @ 75:987aa872294e stable-0-6-11
Use ftello/fseeko to properly handle large files.
Document and properly use datasize field in b5 blocks.
Fix some MSVC compile issues and collect MSVC dependencies into one place.
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Tue, 03 Jun 2008 12:00:58 -0700 |
| parents | b12f4e50e2e8 |
| children | 0f1492b7fe8b |
| rev | line source |
|---|---|
| 48 | 1 #include "define.h" |
| 2 | |
| 16 | 3 #define BUF_SIZE 4096 |
| 4 | |
| 5 int usage(); | |
| 6 size_t get(void * buf, int size, unsigned int count, FILE *fp); | |
| 7 int split_args(char *args, int **targ); | |
| 8 int is_in(int a, int *b, int c); | |
| 9 | |
| 10 int main(int argc, char** argv) { | |
| 52 | 11 int identity = 0; |
| 12 int level = 0; | |
| 13 int x, ptr, stop=0, flag; | |
| 14 char *fname, *buf, rec_type; | |
| 15 unsigned char version; | |
| 16 int *show_type=NULL, show_size=0; | |
| 17 int *ex_type=NULL, ex_size=0; | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
52
diff
changeset
|
18 unsigned int funcname=0, filename=0, text=0, end=0, dtype=0, line=0; |
|
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
52
diff
changeset
|
19 int c; |
|
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
52
diff
changeset
|
20 char ch; |
| 52 | 21 FILE *fp; |
| 22 struct pst_debug_file_rec_m mfile_rec; | |
| 23 struct pst_debug_file_rec_l lfile_rec; | |
| 24 char format = 'D'; // default | |
| 25 while ((c = getopt(argc, argv, "f:t:x:")) != -1) { | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
52
diff
changeset
|
26 ch = c; |
|
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
52
diff
changeset
|
27 switch(ch) { |
| 52 | 28 case 'f': |
| 29 // change the output format | |
| 30 format = toupper(optarg[0]); | |
| 31 break; | |
| 32 case 't': | |
| 33 //change the type of statements shown | |
| 34 show_size = split_args(optarg, &show_type); | |
| 35 // type = atoi(optarg); | |
| 36 break; | |
| 37 case 'x': | |
| 38 // change the type of statements excluded | |
| 39 ex_size = split_args(optarg, &ex_type); | |
| 40 break; | |
| 41 } | |
| 42 } | |
| 43 if (argc > optind) { | |
| 44 fname = argv[optind++]; | |
| 45 } else { | |
| 46 usage(); | |
| 47 exit(2); | |
| 48 } | |
| 16 | 49 |
| 52 | 50 fp = fopen(fname, "rb"); |
| 51 if (fp == NULL) { | |
| 52 printf("Error. couldn't open debug file\n"); | |
| 53 return 2; | |
| 54 } | |
| 55 if (get(&version, sizeof(char), 1, fp)==0) { | |
| 56 printf("Error. could not read version byte from front of file"); | |
| 57 return 3; | |
| 58 } | |
| 16 | 59 |
| 52 | 60 if (version > DEBUG_VERSION) { |
| 61 printf("Version number is higher than the format I know about."); | |
| 62 return 4; | |
| 63 } | |
| 16 | 64 |
| 52 | 65 buf = (char*) xmalloc(BUF_SIZE); |
| 16 | 66 |
| 52 | 67 while (!stop) { |
| 48 | 68 off_t temp; |
| 52 | 69 if (fread(&temp, sizeof(off_t), 1, fp)<=0) break; |
| 48 | 70 x = (int)temp; |
| 52 | 71 ptr = 0; |
| 72 if (x > 0) { | |
|
75
987aa872294e
Use ftello/fseeko to properly handle large files.
Carl Byington <carl@five-ten-sg.com>
parents:
70
diff
changeset
|
73 off_t i[x+1]; // plus 1 because we want to read the offset of the next index |
| 52 | 74 if (get(i, sizeof(off_t), x+1, fp)==0) { |
| 75 // we have reached the end of the debug file | |
| 76 printf("oh dear. we must now end\n"); | |
| 77 break; | |
| 78 } | |
| 79 while (ptr < x) { | |
|
75
987aa872294e
Use ftello/fseeko to properly handle large files.
Carl Byington <carl@five-ten-sg.com>
parents:
70
diff
changeset
|
80 fseeko(fp, i[ptr++], SEEK_SET); |
| 52 | 81 get(&rec_type, 1, sizeof(char), fp); |
| 82 if (rec_type == 'L') { | |
| 83 get(&lfile_rec, sizeof(lfile_rec), 1, fp); | |
| 84 funcname=lfile_rec.funcname; | |
| 85 filename=lfile_rec.filename; | |
| 86 text = lfile_rec.text; | |
| 87 end = lfile_rec.end; | |
| 88 dtype = lfile_rec.type; | |
| 89 line = lfile_rec.line; | |
| 90 } else if (rec_type == 'M') { | |
| 91 get(&mfile_rec, sizeof(mfile_rec), 1, fp); | |
| 92 funcname = mfile_rec.funcname; | |
| 93 filename = mfile_rec.filename; | |
| 94 text = mfile_rec.text; | |
| 95 end = mfile_rec.end; | |
| 96 dtype = mfile_rec.type; | |
| 97 line = mfile_rec.line; | |
| 98 } | |
| 99 if (dtype == DEBUG_FUNCENT_NO) level++; | |
| 100 if ((show_type == NULL || is_in(dtype, show_type, show_size)) && | |
| 101 (ex_type == NULL || !is_in(dtype, ex_type, ex_size))) { | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
52
diff
changeset
|
102 unsigned int c = 0; |
|
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
52
diff
changeset
|
103 flag = 0; |
| 52 | 104 while (c < end) { |
| 105 int ii = (level-1) * 4; | |
| 106 if (ii < 0) ii = 0; | |
| 107 if (ii > 64) ii = 64; | |
| 108 char indent[ii+1]; | |
| 109 memset(indent, ' ', ii); | |
| 110 indent[ii] = '\0'; | |
| 111 if (c + (BUF_SIZE-1) < end) { | |
| 112 get(buf, 1, BUF_SIZE-1, fp); | |
| 113 buf[BUF_SIZE-1] = '\0'; | |
| 114 c += BUF_SIZE-1; | |
| 115 } else { | |
| 116 get(buf, 1, end-c, fp); | |
| 117 buf[end-c] = '\0'; | |
| 118 c = end; | |
| 119 } | |
| 120 if (flag == 0) { | |
| 121 if (format == 'I') { // indented text format | |
| 122 char *b = buf+text; | |
| 123 identity++; | |
| 124 //printf("%s %d %s/%s[%d]: ", indent, identity, &buf[filename], &buf[funcname], line); | |
| 125 printf("%s %s/%s[%d]: ", indent, &buf[filename], &buf[funcname], line); | |
| 126 while (b) { | |
| 127 char *p = strchr(b, '\n'); | |
| 128 if (p) { | |
| 129 *p = '\0'; | |
| 130 printf("%s\n%s ", b, indent); | |
| 131 b = p + 1; | |
| 132 } | |
| 133 else { | |
| 134 printf("%s", b); | |
| 135 b = NULL; | |
| 136 } | |
| 137 } | |
| 138 } | |
| 139 else if (format == 'T') { // text format | |
| 140 printf("%s/%s[%d]: %s", &buf[filename], &buf[funcname], line, &buf[text]); | |
| 141 } else { | |
| 142 printf("Type: %d\nFile[line]: %s[%d]\nFunction:%s\nText:%s", dtype, | |
| 143 &buf[filename], line, &buf[funcname], &buf[text]); | |
| 144 } | |
| 145 flag = 1; | |
| 146 } else { | |
| 147 if (format == 'I') { | |
| 148 char *b = buf; | |
| 149 while (b) { | |
| 150 char *p = strchr(b, '\n'); | |
| 151 if (p) { | |
| 152 *p = '\0'; | |
| 153 printf("%s\n%s ", b, indent); | |
| 154 b = p + 1; | |
| 155 } | |
| 156 else { | |
| 157 printf("%s", b); | |
| 158 b = NULL; | |
| 159 } | |
| 160 } | |
| 161 } | |
| 162 else printf("%s", buf); | |
| 163 } | |
| 164 } | |
| 165 printf("\n"); | |
| 166 } | |
| 167 if (dtype == DEBUG_FUNCRET_NO) level--; | |
| 168 } | |
|
75
987aa872294e
Use ftello/fseeko to properly handle large files.
Carl Byington <carl@five-ten-sg.com>
parents:
70
diff
changeset
|
169 if (fseeko(fp, i[ptr], SEEK_SET)==-1) { |
| 52 | 170 printf("finished\n"); |
| 171 break; | |
| 172 } | |
| 173 } else { | |
| 174 printf("...no more items\n"); | |
| 175 break; | |
| 176 } | |
| 177 } | |
| 178 free(buf); | |
| 179 fclose(fp); | |
| 180 if (format == 'I') printf("final indent level = %i\n", level); | |
| 181 return 0; | |
| 16 | 182 } |
| 36 | 183 |
| 43 | 184 size_t get(void *buf, int size, unsigned int count, FILE *fp) { |
| 52 | 185 size_t z; |
| 186 if ((z=fread(buf, size, count, fp)) < count) { | |
| 187 printf("Read Failed! (size=%d, count=%d,z=%ld)\n", size, count, (long)z); | |
| 188 exit(1); | |
| 189 } | |
| 190 return z; | |
| 16 | 191 } |
| 192 | |
| 193 int usage() { | |
| 52 | 194 printf("readlog -t[show_type] -x[exclude_type] -f[format] filename\n"); |
| 195 printf("\tformat:\n\t\tt: text log format\n"); | |
| 196 printf("\t\ti: indented text log format\n"); | |
| 197 printf("\tshow_type:\n\t\tcomma separated list of types to show " | |
| 198 "[ie, 2,4,1,6]\n"); | |
| 199 printf("\texclude_type:\n\t\tcomma separated list of types to exclude " | |
| 200 "[ie, 1,5,3,7]\n"); | |
| 201 return 0; | |
| 16 | 202 } |
| 203 | |
| 36 | 204 |
| 16 | 205 int split_args(char *args, int **targ) { |
| 52 | 206 int count = 1, *i, x, z; |
| 207 char *tmp = args, *y; | |
| 208 if (*targ != NULL) { | |
| 209 free(*targ); | |
| 210 } | |
| 211 // find the number of tokens in the string. Starting | |
| 212 // from 1 cause there will always be one | |
| 213 while ((tmp = strchr(tmp, ',')) != NULL) { | |
| 214 tmp++; count++; | |
| 215 } | |
| 216 *targ = (int*)xmalloc(count * sizeof(int)); | |
| 217 i = *targ; // for convienience | |
| 218 tmp = args; | |
| 219 z = 0; | |
| 220 for (x = 0; x < count; x++) { | |
| 221 y = strtok(tmp, ","); | |
| 222 tmp = NULL; // must be done after first call | |
| 223 if (y != NULL) { | |
| 224 i[x] = atoi(y); | |
| 225 z++; | |
| 226 } | |
| 227 } | |
| 228 return z; | |
| 16 | 229 } |
| 230 | |
| 36 | 231 |
| 16 | 232 // checks to see if the first arg is in the array of the second arg, |
| 233 // the size of which is specified with the third arg. If the second | |
| 36 | 234 // arg is NULL, then it is obvious that it is not there. |
| 16 | 235 int is_in(int a, int *b, int c){ |
| 52 | 236 int d = 0; |
| 237 if (b == NULL || c == 0) { // no array or no items in array | |
| 238 return 0; | |
| 239 } | |
| 240 while (d < c) { | |
| 241 if (a == b[d]) return 1; | |
| 242 d++; | |
| 243 } | |
| 244 return 0; | |
| 16 | 245 } |