unibdf2hex: drop redundant null equations in code

[unifont.git] / src / unibdf2hex.c

diff --git a/src/unibdf2hex.c b/src/unibdf2hex.c
index 9e0483e268aea79325445b587f579854e42067c6..bec84951308c0fe3bac20881ede3eb6596c63abd 100644 (file)
--- a/src/unibdf2hex.c
+++ b/src/unibdf2hex.c
@@ -28,15 +28,13 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define UNISTART 0x3400
-#define UNISTOP 0x4DBF
-
 #define MAXBUF 256
 
 
-int main() {
+int
+main()
+{
    int i;
-// int j;
    int digitsout;  /* how many hex digits we output in a bitmap */
    int thispoint;
    char inbuf[MAXBUF];
@@ -46,59 +44,48 @@ int main() {
    int startrow;  /* row to start glyph        */
    unsigned rowout;
 
-   while (fgets(inbuf, MAXBUF - 1, stdin) != NULL) {
-      if (strncmp(inbuf, "ENCODING ", 9) == 0) {
-         sscanf(&inbuf[9], "%d", &thispoint); /* get code point */
-         /*
-            If we want this code point, get the BBX (bounding box) and
-            BITMAP information.
-         */
-         if ((thispoint >= 0x2E80 && thispoint <= 0x2EFF) || // CJK Radicals Supplement
-             (thispoint >= 0x2F00 && thispoint <= 0x2FDF) || // Kangxi Radicals
-             (thispoint >= 0x2FF0 && thispoint <= 0x2FFF) || // Ideographic Description Characters
-             (thispoint >= 0x3001 && thispoint <= 0x303F) || // CJK Symbols and Punctuation (U+3000 is a space)
-             (thispoint >= 0x3100 && thispoint <= 0x312F) || // Bopomofo
-             (thispoint >= 0x31A0 && thispoint <= 0x31BF) || // Bopomofo extend
-             (thispoint >= 0x31C0 && thispoint <= 0x31EF) || // CJK Strokes
-             (thispoint >= 0x3400 && thispoint <= 0x4DBF) || // CJK Unified Ideographs Extension A
-             (thispoint >= 0x4E00 && thispoint <= 0x9FCF) || // CJK Unified Ideographs
-             (thispoint >= 0xF900 && thispoint <= 0xFAFF))   // CJK Compatibility Ideographs
-            {
-            while (fgets(inbuf, MAXBUF - 1, stdin) != NULL &&
-                   strncmp(inbuf, "BBX ", 4) != 0); /* find bounding box */
-
-            sscanf(&inbuf[4], "%d %d %d %d", &bbxx, &bbxy, &bbxxoff, &bbxyoff);
-            while (fgets(inbuf, MAXBUF - 1, stdin) != NULL &&
-                   strncmp(inbuf, "BITMAP", 6) != 0); /* find bitmap start */
-            fprintf(stdout, "%04X:", thispoint);
-//          j = 5; /* start after colon in .hex file line */
-            digitsout = 0;
-            /* Print initial blank rows */
-            startrow = descent + bbxyoff + bbxy;
-
-            /* Force everything to 16 pixels wide */
-            for (i = 16; i > startrow; i--) {
-               fprintf(stdout,"0000");
-               digitsout += 4;
-            }
-            while (fgets(inbuf, MAXBUF - 1, stdin) != NULL &&
-                   strncmp(inbuf, "END", 3) != 0) { /* copy bitmap until END */
-               sscanf(inbuf, "%X", &rowout);
-               /* Now force glyph to a 16x16 grid even if they'd fit in 8x16 */
-               if (bbxx <= 8) rowout <<= 8;  /* shift left for 16x16 glyph */
-               rowout >>= bbxxoff;
-               fprintf(stdout, "%04X", rowout);
-               digitsout += 4;
-            }
-
-            /* Pad for 16x16 glyph */
-            while (digitsout < 64) {
-               fprintf(stdout,"0000");
-               digitsout += 4;
-            }
-            fprintf(stdout,"\n");
-         }
+   while (fgets (inbuf, MAXBUF - 1, stdin)) {
+      if (strncmp (inbuf, "ENCODING ", 9)) continue;
+      sscanf (&inbuf[9], "%d", &thispoint); /* get code point */
+
+      /* Read bounding box values from BBX line */
+      while (fgets (inbuf, MAXBUF - 1, stdin)) {
+        if (!strncmp (inbuf, "BBX ", 4)) break;
+      }
+      sscanf (&inbuf[4], "%d %d %d %d", &bbxx, &bbxy, &bbxxoff, &bbxyoff);
+
+      /* Find BITMAP start */
+      while (fgets (inbuf, MAXBUF - 1, stdin)) {
+        if (!strncmp (inbuf, "BITMAP", 6)) break;
+      }
+
+      fprintf (stdout, "%04X:", thispoint);
+      digitsout = 0;
+      /* Print initial blank rows */
+      startrow = descent + bbxyoff + bbxy;
+
+      /* Force everything to 16 pixels wide */
+      for (i = 16; i > startrow; i--) {
+         fprintf (stdout,"0000");
+         digitsout += 4;
+      }
+      /* Copy bitmap until END */
+      while (fgets (inbuf, MAXBUF - 1, stdin)) {
+         if (!strncmp (inbuf, "END", 3)) break;
+         sscanf (inbuf, "%X", &rowout);
+         /* Now force glyph to a 16x16 grid even if they'd fit in 8x16 */
+         if (bbxx <= 8) rowout <<= 8;  /* shift left for 16x16 glyph */
+         rowout >>= bbxxoff;
+         fprintf (stdout, "%04X", rowout);
+         digitsout += 4;
+      }
+
+      /* Pad for 16x16 glyph */
+      while (digitsout < 64) {
+         fprintf (stdout,"0000");
+         digitsout += 4;
       }
+      fprintf (stdout,"\n");
    }
-   exit(0);
+   exit (0);
 }