Version 5.0.18

[yaz-moved-to-github.git] / util / yaziconv.c

diff --git a/util/yaziconv.c b/util/yaziconv.c
index 9e966e9..ffb0a21 100644 (file)
--- a/util/yaziconv.c
+++ b/util/yaziconv.c
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2008 Index Data
+ * Copyright (C) Index Data
  * See the file LICENSE for details.
  */
 
@@ -10,13 +10,25 @@
 #include <stdlib.h>
 #include <errno.h>
 #include <string.h>
-#include <ctype.h>
 
 #include <yaz/yaz-util.h>
 
 #define CHUNK_IN 64
 #define CHUNK_OUT 64
 
+void write_out(const char *b0, const char *b1)
+{
+    size_t sz = b1 - b0;
+    if (sz)
+    {
+        if (fwrite(b0, 1, sz, stdout) != sz)
+        {
+            fprintf(stderr, "yaz-iconv: write failed\n");
+            exit(8);
+        }
+    }
+}
+
 void convert(FILE *inf, yaz_iconv_t cd, int verbose)
 {
     char inbuf0[CHUNK_IN], *inbuf = inbuf0;
@@ -35,18 +47,16 @@ void convert(FILE *inf, yaz_iconv_t cd, int verbose)
             {
                 if (ferror(inf))
                 {
-                    fprintf(stderr, "yaziconv: error reading file\n");
+                    fprintf(stderr, "yaz-iconv: error reading file\n");
                     exit(6);
                 }
                 if (r == 0)
                 {
-                    if (outbuf != outbuf0)
-                        fwrite(outbuf0, 1, outbuf - outbuf0, stdout);
+                    write_out(outbuf0, outbuf);
                     outbuf = outbuf0;
                     outbytesleft = CHUNK_OUT;
                     r = yaz_iconv(cd, 0, 0, &outbuf, &outbytesleft);
-                    if (outbuf != outbuf0)
-                        fwrite(outbuf0, 1, outbuf - outbuf0, stdout);
+                    write_out(outbuf0, outbuf);
                     break;
                 }
                 inbytesleft = r;
@@ -68,7 +78,7 @@ void convert(FILE *inf, yaz_iconv_t cd, int verbose)
                 return ;
             }
             else if (e == YAZ_ICONV_EINVAL) /* incomplete input */
-            { 
+            {
                 size_t i;
                 for (i = 0; i<inbytesleft; i++)
                     inbuf0[i] = inbuf[i];
@@ -78,7 +88,7 @@ void convert(FILE *inf, yaz_iconv_t cd, int verbose)
                 {
                     if (ferror(inf))
                     {
-                        fprintf(stderr, "yaziconv: error reading file\n");
+                        fprintf(stderr, "yaz-iconv: error reading file\n");
                         exit(6);
                     }
                 }
@@ -93,14 +103,14 @@ void convert(FILE *inf, yaz_iconv_t cd, int verbose)
             }
             else if (e == YAZ_ICONV_E2BIG) /* no more output space */
             {
-                fwrite(outbuf0, 1, outbuf - outbuf0, stdout);
+                write_out(outbuf0, outbuf);
                 outbuf = outbuf0;
                 outbytesleft = CHUNK_OUT;
                 mustread = 0;
             }
             else
             {
-                fprintf(stderr, "yaziconv: unknown error\n");
+                fprintf(stderr, "yaz-iconv: unknown error\n");
                 exit(7);
             }
         }
@@ -109,7 +119,7 @@ void convert(FILE *inf, yaz_iconv_t cd, int verbose)
             inbuf = inbuf0;
             inbytesleft = CHUNK_IN;
 
-            fwrite(outbuf0, 1, outbuf - outbuf0, stdout);
+            write_out(outbuf0, outbuf);
             outbuf = outbuf0;
             outbytesleft = CHUNK_OUT;
 
@@ -136,7 +146,7 @@ int main(int argc, char **argv)
             inf = fopen(arg, "rb");
             if (!inf)
             {
-                fprintf(stderr, "yaziconv: cannot open %s", arg);
+                fprintf(stderr, "yaz-iconv: cannot open %s", arg);
                 exit(2);
             }
             break;
@@ -150,32 +160,32 @@ int main(int argc, char **argv)
             verbose++;
             break;
         default:
-            fprintf(stderr, "yaziconv: Usage\n"
+            fprintf(stderr, "yaz-iconv: Usage\n"
                     "yaziconv -f encoding -t encoding [-v] [file]\n");
             exit(1);
         }
     }
     if (!to)
     {
-        fprintf(stderr, "yaziconv: -t encoding missing\n");
+        fprintf(stderr, "yaz-iconv: -t encoding missing\n");
         exit(3);
     }
     if (!from)
     {
-        fprintf(stderr, "yaziconv: -f encoding missing\n");
+        fprintf(stderr, "yaz-iconv: -f encoding missing\n");
         exit(4);
     }
     cd = yaz_iconv_open(to, from);
     if (!cd)
     {
-        fprintf(stderr, "yaziconv: unsupported encoding\n");
+        fprintf(stderr, "yaz-iconv: unsupported encoding\n");
         exit(5);
     }
     else
     {
         if (verbose)
         {
-            fprintf(stderr, "yaziconv: using %s\n",
+            fprintf(stderr, "yaz-iconv: using %s\n",
                     yaz_iconv_isbuiltin(cd) ? "YAZ" : "iconv");
         }
     }
@@ -186,6 +196,7 @@ int main(int argc, char **argv)
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab