* src/SDCCasm.[ch]: renamed from asm[ch], use dbuf_getline(), ...

[fw/sdcc] / support / Util / dbuf_string.c

diff --git a/support/Util/dbuf_string.c b/support/Util/dbuf_string.c
index a58d555fdc79867d057b65ddffaf9125df10461b..6a523af729e38dcc4e5b0eb7b35a53fd61d8bd14 100644 (file)
--- a/support/Util/dbuf_string.c
+++ b/support/Util/dbuf_string.c
@@ -1,6 +1,6 @@
 /*
   dbuf_string.c - Append formatted string to the dynamic buffer
-  version 1.0.0, January 6th, 2007
+  version 1.1.0, December 29th, 2007
 
   Copyright (c) 2002-2007 Borut Razem
 
@@ -33,11 +33,11 @@
  */
 
 int
-dbuf_append_str(struct dbuf_s *dbuf, const char *str)
+dbuf_append_str (struct dbuf_s *dbuf, const char *str)
 {
-  assert(str != NULL);
+  assert (str != NULL);
 
-  return dbuf_append(dbuf, str, strlen(str));
+  return dbuf_append (dbuf, str, strlen(str));
 }
 
 
@@ -46,9 +46,9 @@ dbuf_append_str(struct dbuf_s *dbuf, const char *str)
  */
 
 int
-dbuf_append_char(struct dbuf_s *dbuf, char chr)
+dbuf_append_char (struct dbuf_s *dbuf, char chr)
 {
-  return dbuf_append(dbuf, &chr, 1);
+  return dbuf_append (dbuf, &chr, 1);
 }
 
 /*
@@ -75,62 +75,62 @@ calc_result_length (const char *format, va_list args)
   while (*p != '\0')
     {
       if (*p++ == '%')
-       {
-         while (strchr ("-+ #0", *p))
-           ++p;
-         if (*p == '*')
-           {
-             ++p;
-             total_width += abs (va_arg (ap, int));
-           }
-         else
-           total_width += strtoul (p, (char **) &p, 10);
-         if (*p == '.')
-           {
-             ++p;
-             if (*p == '*')
-               {
-                 ++p;
-                 total_width += abs (va_arg (ap, int));
-               }
-             else
-             total_width += strtoul (p, (char **) &p, 10);
-           }
-         while (strchr ("hlL", *p))
-           ++p;
-         /* Should be big enough for any format specifier except %s and floats.  */
-         total_width += 30;
-         switch (*p)
-           {
-           case 'd':
-           case 'i':
-           case 'o':
-           case 'u':
-           case 'x':
-           case 'X':
-           case 'c':
-             (void) va_arg (ap, int);
-             break;
-           case 'f':
-           case 'e':
-           case 'E':
-           case 'g':
-           case 'G':
-             (void) va_arg (ap, double);
-             /* Since an ieee double can have an exponent of 307, we'll
-                make the buffer wide enough to cover the gross case. */
-             total_width += 307;
-             break;
-           case 's':
-             total_width += strlen (va_arg (ap, char *));
-             break;
-           case 'p':
-           case 'n':
-             (void) va_arg (ap, char *);
-             break;
-           }
-         p++;
-       }
+        {
+          while (strchr ("-+ #0", *p))
+            ++p;
+          if (*p == '*')
+            {
+              ++p;
+              total_width += abs (va_arg (ap, int));
+            }
+          else
+            total_width += strtoul (p, (char **) &p, 10);
+          if (*p == '.')
+            {
+              ++p;
+              if (*p == '*')
+                {
+                  ++p;
+                  total_width += abs (va_arg (ap, int));
+                }
+              else
+              total_width += strtoul (p, (char **) &p, 10);
+            }
+          while (strchr ("hlL", *p))
+            ++p;
+          /* Should be big enough for any format specifier except %s and floats.  */
+          total_width += 30;
+          switch (*p)
+            {
+            case 'd':
+            case 'i':
+            case 'o':
+            case 'u':
+            case 'x':
+            case 'X':
+            case 'c':
+              (void) va_arg (ap, int);
+              break;
+            case 'f':
+            case 'e':
+            case 'E':
+            case 'g':
+            case 'G':
+              (void) va_arg (ap, double);
+              /* Since an ieee double can have an exponent of 307, we'll
+                 make the buffer wide enough to cover the gross case. */
+              total_width += 307;
+              break;
+            case 's':
+              total_width += strlen (va_arg (ap, char *));
+              break;
+            case 'p':
+            case 'n':
+              (void) va_arg (ap, char *);
+              break;
+            }
+          p++;
+        }
     }
 #ifdef va_copy
   va_end (ap);
@@ -148,21 +148,23 @@ dbuf_vprintf (struct dbuf_s *dbuf, const char *format, va_list args)
 {
   int size = calc_result_length (format, args);
 
-  assert(dbuf != NULL);
-  assert(dbuf->alloc != 0);
-  assert(dbuf->buf != NULL);
+  assert (dbuf != NULL);
+  assert (dbuf->alloc != 0);
+  assert (dbuf->buf != NULL);
 
-  if (_dbuf_expand(dbuf, size) != 0) {
-    int len = vsprintf(&(((char *)dbuf->buf)[dbuf->len]), format, args);
-
-    if (len >= 0) {
-      /* if written length is greater then the calculated one,
-        we have a buffer overrun! */
-      assert(len <= size);
-      dbuf->len += len;
+  if (0 != _dbuf_expand (dbuf, size))
+    {
+      int len = vsprintf (&(((char *)dbuf->buf)[dbuf->len]), format, args);
+
+      if (len >= 0)
+        {
+          /* if written length is greater then the calculated one,
+             we have a buffer overrun! */
+          assert (len <= size);
+          dbuf->len += len;
+        }
+      return len;
     }
-    return len;
-  }
 
   return 0;
 }
@@ -179,13 +181,46 @@ dbuf_printf (struct dbuf_s *dbuf, const char *format, ...)
   int len;
 
   va_start (arg, format);
-  len = dbuf_vprintf(dbuf, format, arg);
+  len = dbuf_vprintf (dbuf, format, arg);
   va_end (arg);
 
   return len;
 }
 
 
+/*
+ * Append line from file to the dynamic buffer
+ */
+
+size_t
+dbuf_getline (struct dbuf_s *dbuf, FILE *infp)
+{
+  int c;
+  char chr;
+
+  while ((c = getc (infp)) != '\n' && c != EOF)
+    {
+      chr = c;
+
+      dbuf_append (dbuf, &chr, 1);
+    }
+
+  /* add trailing NL */
+  if (c == '\n')
+    {
+      chr = c;
+
+      dbuf_append (dbuf, &chr, 1);
+    }
+
+  /* terminate the line without increasing the length */
+  if (0 != _dbuf_expand (dbuf, 1))
+    ((char *)dbuf->buf)[dbuf->len] = '\0';
+
+  return dbuf_get_length (dbuf);
+}
+
+
 /*
  * Write dynamic buffer to the file.
  */
@@ -193,7 +228,7 @@ dbuf_printf (struct dbuf_s *dbuf, const char *format, ...)
 void
 dbuf_write (struct dbuf_s *dbuf, FILE *dest)
 {
-  fwrite(dbuf_get_buf(dbuf), 1, dbuf_get_length(dbuf), dest);
+  fwrite (dbuf_get_buf (dbuf), 1, dbuf_get_length (dbuf), dest);
 }
 
 
@@ -206,5 +241,5 @@ dbuf_write_and_destroy (struct dbuf_s *dbuf, FILE *dest)
 {
   dbuf_write (dbuf, dest);
 
-  dbuf_destroy(dbuf);
+  dbuf_destroy (dbuf);
 }