1 files changed, 91 insertions, 0 deletions
diff --git a/unumlaut.c b/unumlaut.c
new file mode 100644
index 0000000..73caab7
--- /dev/null
+++ b/unumlaut.c
@@ -0,0 +1,91 @@
+#include "stdinc.h"
+
+#include "chardefs.h"
+
+typedef struct
+         {
+          int isochar;
+          char *syschar;
+         } chartrans;
+
+static chartrans specchars[]=
+         {{0344,CH_ae},
+          {0366,CH_oe},
+          {0374,CH_ue},
+          {0304,CH_Ae},
+          {0326,CH_Oe},
+          {0334,CH_Ue},
+          {0337,CH_sz},
+          {0262,CH_e2},
+          {0265,CH_mu},
+          {0340,CH_agrave},
+          {0000,""}};
+
+#define TMPNAME "tempfile"
+
+	void doexec(char *cmdline)
+{
+   int res=system(cmdline);
+   if (res!=0)
+    {
+     fprintf(stderr,"command \"%s\" failed\n",cmdline); exit(2);
+    }
+}
+
+	int main(int argc, char **argv)
+{
+   FILE *src,*dest;
+   int ch;
+   unsigned char cmdline[1024];
+   long charcnt,metacnt,crcnt;
+   chartrans *z2;
+
+   if (argc<2)
+    {
+     fprintf(stderr,"usage: %s <file> [destfile]\n",argv[0]);
+     exit(1);
+    }
+
+   src=fopen(argv[1],OPENRDMODE);
+   if (src==NULL)
+    {
+     fprintf(stderr,"error opening %s for reading\n",argv[1]); exit(2);
+    }
+   dest=fopen((argc==2)?TMPNAME:argv[2],OPENWRMODE);
+   if (dest==NULL)
+    {
+     fprintf(stderr,"error opening %s for writing\n",TMPNAME); exit(2);
+    }
+   charcnt=metacnt=crcnt=0;
+   while (!feof(src))
+    {
+     ch=fgetc(src); charcnt++;
+     switch (ch)
+      {
+       case EOF:
+        break;
+       case 10:
+        fputc(13,dest); fputc(10,dest); crcnt++; break;
+       default:
+        for (z2=specchars; z2->isochar!=0000; z2++)
+         if (ch==z2->isochar)
+          { fputs(z2->syschar,dest); metacnt++; break; }
+        if (z2->isochar==0000) fputc(ch,dest);
+      }
+    }
+   fclose(src); fclose(dest);
+   if (argc==2)
+    BEGIN
+#if defined (__MSDOS__) || defined(__EMX__)
+     sprintf(cmdline,"copy %s %s",TMPNAME,argv[1]);
+#else
+     sprintf(cmdline,"cp %s %s",TMPNAME,argv[1]);
+#endif
+     doexec(cmdline);
+     unlink(TMPNAME);
+    END
+   printf("%s: %ld char(s), %ld cr(s) added, %ld meta char(s) reconverted\n",
+          argv[1],charcnt,crcnt,metacnt);
+
+   return 0;
+}