tools/setrev/setrev.c

   1 /**
   2 ***  SetRev.c   Set revision number due to the Amiga guidelines
   3 ***
   4 ***  This is a small BumpRev replacement (yes, yet another :-).
   5 ***  Unlike BumpRev, UpRev and others this doesn't need to use
   6 ***  a special revision file. Instead it scans a source file for
   7 ***  certain patterns which are replaced.
   8 ***
   9 ***
  10 ***  Author:    Jochen Wiedmann
  11 ***             Am Eisteich 9
  12 ***             72555 Metzingen
  13 ***             Germany
  14 ***
  15 ***             Phone: (49)7123 / 14881
  16 ***             Internet: jochen.wiedmann@zdv.uni-tuebingen.de
  17 ***
  18 ***
  19 ***  This program is in the public domain; use it as you want,
  20 ***  but WITHOUT ANY WARRANTY!
  21 **/
  22
  23
  24 /**
  25 ***  These are the patterns that will be replaced.
  26 **/
  27 #define VERSION        1
  28 #define REVISION       4
  29 #define DATE    "11.05.2011"
  30 #define VERS    "SetRev 1.4"
  31 #define VSTRING "SetRev 1.4 (11.05.2011)"
  32 #define VERSTAG "\0$VER: SetRev 1.4 (11.05.2011)"
  33 const char *const VersionString=VERSTAG;
  34
  35
  36
  37
  38 /**
  39 ***  Include files
  40 **/
  41 #include <stdlib.h>
  42 #include <stdio.h>
  43 #include <string.h>
  44 #include <time.h>
  45 #include <errno.h>
  46
  47 #if defined(__GNUC__)
  48 #define stricmp strcasecmp
  49 #define strnicmp strncasecmp
  50 #endif
  51
  52
  53 #ifndef FALSE
  54 #define FALSE 0
  55 #endif
  56 #ifndef TRUE
  57 #define TRUE (!FALSE)
  58 #endif
  59
  60
  61
  62
  63
  64 /**
  65 ***  SetRev cannot scan files with lines longer than MAXLINE character.
  66 **/
  67 #define MAXLINE 4096
  68
  69
  70
  71
  72 /**
  73 ***  Global variables
  74 **/
  75 int CurrentVersion = 1;
  76 int CurrentRevision = 1;
  77 char *CurrentName;
  78 char CurrentDate[20];
  79
  80 char line[MAXLINE];
  81
  82 int Created = FALSE;
  83
  84
  85
  86 /**
  87 ***  This function determines the current name, version
  88 ***  and revision.
  89 **/
  90 void FirstScan(char *file)
  91
  92   {
  93     FILE *fh;
  94     int linenum = 1;
  95
  96     if (!(fh = fopen(file, "r")))
  97       {
  98         if (errno == ENOENT)
  99           {
 100             /**
 101             ***  File doesn't exist, create it.
 102             **/
 103             if (!(fh = fopen(file, "w")))
 104               {
 105                 perror("SetRev");
 106                 exit(10);
 107               }
 108
 109             if (fprintf(fh,
 110                        "#define VERSION     %d\n",
 111                        CurrentVersion)  <  0    ||
 112                 fprintf(fh,
 113                        "#define REVISION    %d\n",
 114                        CurrentRevision)  <  0   ||
 115                 fprintf(fh,
 116                        "#define DATE        \"%s\"\n",
 117                        CurrentDate)  <  0       ||
 118                 fprintf(fh,
 119                        "#define VERS        \"%s %d.%d\"\n",
 120                        CurrentName, CurrentVersion,
 121                        CurrentRevision)  <  0   ||
 122                 fprintf(fh,
 123                        "#define VSTRING     \"%s %d.%d (%s)\\r\\n\"\n",
 124                        CurrentName, CurrentVersion,
 125                        CurrentRevision, CurrentDate)  <  0      ||
 126                 fprintf(fh,
 127                        "#define VERSTAG     \"\\0%sVER: %s %d.%d (%s)\"\n",
 128                        "$", /*  Prevent "version" command from using the    */
 129                             /*  above string.                               */
 130                        CurrentName, CurrentVersion,
 131                        CurrentRevision, CurrentDate)  <  0      ||
 132                 fclose(fh))
 133               {
 134                 perror("SetRev");
 135                 exit(10);
 136               }
 137
 138             Created = TRUE;
 139
 140             return;
 141           }
 142         perror("SetRev");
 143         exit(10);
 144       }
 145
 146     errno = 0;
 147     while(fgets(line, MAXLINE, fh)  &&  !errno)
 148       {
 149         int len = strlen(line);
 150
 151         if (len+1 == MAXLINE  &&  line[MAXLINE-2] != '\n')
 152           {
 153             fprintf(stderr,
 154                     "SetRev warning: Line %d exceeds %d characters\n",
 155                     linenum, MAXLINE);
 156           }
 157
 158         if (strncmp(line, "#define", 7) == 0)
 159           {
 160             char *ptr = line+7;
 161
 162             while (*ptr == ' '  ||  *ptr == '\t')
 163               {
 164                 ++ptr;
 165               }
 166
 167             if (strncmp(ptr, "VERSION", 7) == 0  &&
 168                 (ptr[7] == ' ' || ptr[7] == '\t'))
 169               {
 170                 CurrentVersion = atoi(&ptr[7]);
 171               }
 172             else if (strncmp(ptr, "REVISION", 8) == 0  &&
 173                      (ptr[8] == ' '  ||  ptr[8] == '\t'))
 174               {
 175                 CurrentRevision = atoi(&ptr[8]);
 176               }
 177           }
 178
 179         if (line[len-1] == '\n')
 180           {
 181             ++linenum;
 182           }
 183       }
 184     fclose(fh);
 185   }
 186
 187
 188
 189
 190
 191 /**
 192 ***  This function inserts the new version, revision,
 193 ***  projectname and other stuff in a second scan.
 194 **/
 195 void SecondScan(char *file)
 196
 197   {
 198     char *bakfile;
 199     FILE *fh, *bfh;
 200     int linenum = 1;
 201
 202     if (!(bakfile = malloc(strlen(file)+5)))
 203       {
 204         perror("SetRev");
 205         exit(10);
 206       }
 207     strcpy(bakfile, file);
 208     strcat(bakfile, ".bak");
 209
 210     if (!(fh = fopen(file, "r"))  ||  !(bfh = fopen(bakfile, "w")))
 211       {
 212         perror("SetRev");
 213         exit(10);
 214       }
 215
 216     errno = 0;
 217     while(fgets(line, MAXLINE, fh)  &&  !errno)
 218       {
 219         int len = strlen(line);
 220
 221         if (len+1 == MAXLINE  &&  line[MAXLINE-2] != '\n')
 222           {
 223             fprintf(stderr,
 224                     "SetRev warning: Line %d exceeds %d characters\n",
 225                     linenum, MAXLINE);
 226           }
 227
 228         if (strncmp(line, "#define", 7) == 0)
 229           {
 230             char *ptr = line+7;
 231
 232             while (*ptr == ' '  ||  *ptr == '\t')
 233               {
 234                 ++ptr;
 235               }
 236
 237             if (strncmp(ptr, "VERSION", 7) == 0  &&
 238                 (ptr[7] == ' ' || ptr[7] == '\t'))
 239               {
 240                 ptr += 7;
 241                 while (*ptr == ' '  ||  *ptr == '\t')
 242                   {
 243                     ++ptr;
 244                   }
 245                 sprintf(ptr, "%d\n", CurrentVersion);
 246               }
 247             else if (strncmp(ptr, "REVISION", 8) == 0  &&
 248                      (ptr[8] == ' '  ||  ptr[8] == '\t'))
 249               {
 250                 ptr += 8;
 251                 while (*ptr == ' '  ||  *ptr == '\t')
 252                   {
 253                     ++ptr;
 254                   }
 255                 sprintf(ptr, "%d\n", CurrentRevision);
 256               }
 257             else if (strncmp(ptr, "DATE", 4) == 0  &&
 258                      (ptr[4] == ' '  ||  ptr[4] == '\t'))
 259               {
 260                 ptr += 4;
 261                 while (*ptr == ' '  ||  *ptr == '\t')
 262                   {
 263                     ++ptr;
 264                   }
 265                 sprintf(ptr, "\"%s\"\n", CurrentDate);
 266               }
 267             else if (strncmp(ptr, "VERS", 4) == 0  &&
 268                      (ptr[4] == ' '  ||  ptr[4] == '\t'))
 269               {
 270                 ptr += 4;
 271                 while (*ptr == ' '  ||  *ptr == '\t')
 272                   {
 273                     ++ptr;
 274                   }
 275                 sprintf(ptr, "\"%s %d.%d\"\n", CurrentName,
 276                         CurrentVersion, CurrentRevision);
 277               }
 278             else if (strncmp(ptr, "VSTRING", 7) == 0  &&
 279                      (ptr[7] == ' '  ||  ptr[7] == '\t'))
 280               {
 281                 ptr += 7;
 282                 while (*ptr == ' '  ||  *ptr == '\t')
 283                   {
 284                     ++ptr;
 285                   }
 286                 sprintf(ptr, "\"%s %d.%d (%s)\"\n",
 287                         CurrentName, CurrentVersion,
 288                         CurrentRevision, CurrentDate);
 289               }
 290             else if (strncmp(ptr, "VERSTAG", 7) == 0  &&
 291                      (ptr[7] == ' '  ||  ptr[7] == '\t'))
 292               {
 293                 ptr += 7;
 294                 while (*ptr == ' '  ||  *ptr == '\t')
 295                   {
 296                     ++ptr;
 297                   }
 298                 sprintf(ptr, "\"\\0%sVER: %s %d.%d (%s)\"\n",
 299                         "$",
 300                         CurrentName, CurrentVersion,
 301                         CurrentRevision, CurrentDate);
 302               }
 303           }
 304         fputs(line, bfh);
 305       }
 306     fclose(fh);
 307     fclose(bfh);
 308
 309     remove(file);
 310     rename(bakfile, file);
 311   }
 312
 313
 314
 315
 316
 317 /**
 318 ***  This prints out the Usage: message.
 319 **/
 320 void Usage(void)
 321
 322   {
 323     printf("Usage: SetRev PROJECT/A,VERSION/N,FILE/K\n\n");
 324     printf("The given FILE (default: PROJECT_rev.h) will be searched for\n");
 325     printf("version and revision definitions and bumped to the next\n");
 326     printf("revision number.\n\n");
 327     printf("%s © 1994  by  Jochen Wiedmann\n\n", VSTRING);
 328     printf("This program is in the public domain, use it as you want, but\n");
 329     printf("WITHOUT ANY WARRANTY.\n");
 330     exit(5);
 331   }
 332
 333
 334
 335
 336
 337 /**
 338 ***  Finally main()
 339 **/
 340 int main(int argc, char *argv[])
 341
 342   {
 343     int i;
 344     char *file;
 345     int versionseen, version;
 346     time_t currenttime = time(NULL);
 347     struct tm *localtm = localtime(&currenttime);
 348
 349     /**
 350     *** Get local time
 351     **/
 352     currenttime = time(NULL);
 353     localtm = localtime(&currenttime);
 354     strftime(CurrentDate, sizeof(CurrentDate), "%d.%m.%Y", localtm);
 355
 356     if (argc < 2  ||
 357         strcmp(argv[1], "?") == 0  ||
 358         strcmp(argv[1], "-h") == 0  ||
 359         strcmp(argv[1], "--help") == 0)
 360       {
 361         Usage();
 362       }
 363
 364     CurrentName = NULL;
 365     versionseen = FALSE;
 366     file = NULL;
 367     for (i = 1;  i < argc;  i++)
 368       {
 369         if (stricmp(argv[i], "file") == 0  &&  i+1 < argc)
 370           {
 371             if (file)
 372               {
 373                 Usage();
 374               }
 375             file = argv[++i];
 376           }
 377         else if (strnicmp(argv[i], "file=", 5) == 0)
 378           {
 379             if (file)
 380               {
 381                 Usage();
 382               }
 383             file = &argv[i][5];
 384           }
 385         else if (!CurrentName)
 386           {
 387             CurrentName = argv[i];
 388           }
 389         else if (!versionseen)
 390           {
 391             if ((version = atoi(argv[i])) == 0)
 392               {
 393                 Usage();
 394               }
 395             versionseen = TRUE;
 396           }
 397         else
 398           {
 399             Usage();
 400           }
 401       }
 402     if (!CurrentName)
 403       {
 404         Usage();
 405       }
 406
 407     if (!file)
 408       {
 409         if (!(file = malloc(strlen(CurrentName) + 7)))
 410           {
 411             errno = ENOMEM;
 412             perror("SetRev");
 413             exit(20);
 414           }
 415         strcpy(file, CurrentName);
 416         strcat(file, "_rev.h");
 417       }
 418
 419     if (versionseen)
 420       {
 421         CurrentVersion = version;
 422       }
 423
 424     FirstScan(file);
 425
 426     if (!Created)
 427       {
 428         if (versionseen  &&  version != CurrentVersion)
 429           {
 430             CurrentRevision = 1;
 431           }
 432         else
 433           {
 434             ++CurrentRevision;
 435           }
 436
 437         if (versionseen)
 438           {
 439             CurrentVersion = version;
 440           }
 441
 442         SecondScan(file);
 443       }
 444     exit(0);
 445   }