tool/version-info.c

   1 /*
   2 ** 2022-10-16
   3 **
   4 ** The author disclaims copyright to this source code.  In place of a
   5 ** legal notice, here is a blessing:
   6 **
   7 ** *   May you do good and not evil.
   8 ** *   May you find forgiveness for yourself and forgive others.
   9 ** *   May you share freely, never taking more than you give.
  10 **
  11 *************************************************************************
  12 ** This file simply outputs sqlite3 version information in JSON form,
  13 ** intended for embedding in the sqlite3 JS API build.
  14 */
  15 #ifdef TEST_VERSION
  16 /*3029003 3039012*/
  17 #define SQLITE_VERSION "X.Y.Z"
  18 #define SQLITE_VERSION_NUMBER TEST_VERSION
  19 #define SQLITE_SOURCE_ID "dummy"
  20 #else
  21 #include "sqlite3.h"
  22 #endif
  23 #include <stdio.h>
  24 #include <string.h>
  25 static void usage(const char *zAppName){
  26   puts("Emits version info about the sqlite3 it is built against.");
  27   printf("Usage: %s [--quote] --INFO-FLAG:\n\n", zAppName);
  28   puts("  --version          Emit SQLITE_VERSION (3.X.Y)");
  29   puts("  --version-number   Emit SQLITE_VERSION_NUMBER (30XXYYZZ)");
  30   puts("  --download-version Emit /download.html version number (3XXYYZZ)");
  31   puts("  --source-id        Emit SQLITE_SOURCE_ID");
  32   puts("  --json             Emit all info in JSON form");
  33   puts("\nThe non-JSON formats may be modified by:\n");
  34   puts("  --quote            Add double quotes around output.");
  35 }
  36
  37 int main(int argc, char const * const * argv){
  38   int fJson = 0;
  39   int fVersion = 0;
  40   int fVersionNumber = 0;
  41   int fDlVersion = 0;
  42   int dlVersion = 0;
  43   int fSourceInfo = 0;
  44   int fQuote = 0;
  45   int nFlags = 0;
  46   int i;
  47
  48   for( i = 1; i < argc; ++i ){
  49     const char * zArg = argv[i];
  50     while('-'==*zArg) ++zArg;
  51     if( 0==strcmp("version", zArg) ){
  52       fVersion = 1;
  53     }else if( 0==strcmp("version-number", zArg) ){
  54       fVersionNumber = 1;
  55     }else if( 0==strcmp("download-version", zArg) ){
  56       fDlVersion = 1;
  57     }else if( 0==strcmp("source-id", zArg) ){
  58       fSourceInfo = 1;
  59     }else if( 0==strcmp("json", zArg) ){
  60       fJson = 1;
  61     }else if( 0==strcmp("quote", zArg) ){
  62       fQuote = 1;
  63       --nFlags;
  64     }else{
  65       printf("Unhandled flag: %s\n", argv[i]);
  66       usage(argv[0]);
  67       return 1;
  68     }
  69     ++nFlags;
  70   }
  71
  72   if( 0==nFlags ) fJson = 1;
  73
  74   {
  75     const int v = SQLITE_VERSION_NUMBER;
  76     int ver[4] = {0,0,0,0};
  77     ver[0] = (v / 1000000) * 1000000;
  78     ver[1] = v % 1000000 / 100 * 1000;
  79     ver[2] = v % 100 * 100;
  80     dlVersion = ver[0] + ver[1] + ver[2] + ver[3];
  81   }
  82   if( fJson ){
  83     printf("{\"libVersion\": \"%s\", "
  84            "\"libVersionNumber\": %d, "
  85            "\"sourceId\": \"%s\","
  86            "\"downloadVersion\": %d}"/*missing newline is intentional*/,
  87            SQLITE_VERSION,
  88            SQLITE_VERSION_NUMBER,
  89            SQLITE_SOURCE_ID,
  90            dlVersion);
  91   }else{
  92     if(fQuote) printf("%c", '"');
  93     if( fVersion ){
  94       printf("%s", SQLITE_VERSION);
  95     }else if( fVersionNumber ){
  96       printf("%d", SQLITE_VERSION_NUMBER);
  97     }else if( fSourceInfo ){
  98       printf("%s", SQLITE_SOURCE_ID);
  99     }else if( fDlVersion ){
 100       printf("%d", dlVersion);
 101     }
 102     if(fQuote) printf("%c", '"');
 103     puts("");
 104   }
 105   return 0;
 106 }