source file of the flowerlib
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
+#include <cmath>
+#include <cstdio>
+#include <cstring>
+#include <cctype>
+
#include "libc-extension.hh"
-/*
- urg: why soo wierd?
- */
char*
-strnlwr (char* start_l ,int n)
+strnlwr (char* start ,int n)
{
- char * p = start_l + n;
- while (--p >= start_l)
+ char * p = start + n;
+ while (--p >= start)
{
*p = tolower (*p); /* a macro on some compilers */
}
- return start_l;
+ return start;
}
char*
-strnupr (char* start_l, int n)
+strnupr (char* start, int n)
{
- char * p = start_l + n;
- while (--p >= start_l)
+ char * p = start + n;
+ while (--p >= start)
{
*p = toupper (*p); /* a macro on some compilers */
}
- return start_l;
+ return start;
+}
+
+/*
+ There are some strange problems with round() on early glibcs.
+*/
+double
+my_round (double x)
+{
+ return floor (x -0.5)+ 1.0 ;
}
+#ifndef isinf
+#if !HAVE_ISINF
+int
+isinf (double x)
+{
+ return x && ( x == x/ 2) ;
+}
+#endif
+#endif
#if !HAVE_MEMMEM
/** locate a substring. #memmem# finds the first occurrence of
- #needle# in #haystack#. This is not ANSI-C.
+ #needle# in #haystack#. This is not ANSI-C.
- The prototype is not in accordance with the Linux Programmer's
- Manual v1.15, but it is with /usr/include/string.h */
+ The prototype is not in accordance with the Linux Programmer's
+ Manual v1.15, but it is with /usr/include/string.h */
-Byte *
-memmem (Byte const *haystack, int haystack_len,
- Byte const *needle,int needle_len)
+unsigned char *
+_memmem (unsigned char const *haystack, int haystack_len,
+ unsigned char const *needle,int needle_len)
{
- Byte const * end_haystack = haystack + haystack_len - needle_len + 1;
- Byte const * end_needle = needle + needle_len ;
+ unsigned char const * end_haystack = haystack + haystack_len - needle_len + 1;
+ unsigned char const * end_needle = needle + needle_len ;
/* Ahhh ... Some minimal lowlevel stuff. This *is* nice; Varation
is the spice of life */
while (haystack < end_haystack)
{
- Byte const *subneedle_l = needle;
- Byte const *subhaystack_l = haystack;
- while (subneedle_l < end_needle)
- if (*subneedle_l++ != *subhaystack_l++)
+ unsigned char const *subneedle = needle;
+ unsigned char const *subhaystack = haystack;
+ while (subneedle < end_needle)
+ if (*subneedle++ != *subhaystack++)
goto next;
- // completed the needle. Gotcha.
- return (Byte *) haystack;
- next:
- haystack++;
+ /* Completed the needle. Gotcha. */
+ return (unsigned char *) haystack;
+ next:
+ haystack++;
}
return 0;
}
+void *
+memmem (void const *haystack, int haystack_len,
+ void const *needle,int needle_len)
+{
+ unsigned char const* haystack_byte_c = (unsigned char const*)haystack;
+ unsigned char const* needle_byte_c = (unsigned char const*)needle;
+ return _memmem (haystack_byte_c, haystack_len, needle_byte_c, needle_len);
+}
+
#endif
-Byte *
-memrchr (Byte const * p, int n, char c)
+unsigned char *
+memrchr (unsigned char const *p, int n, char c)
{
- const Byte * q = p+n;
+ const unsigned char *q = p + n;
while (q > p)
{
if (*--q == c)
- return (Byte*)q;
+ return (unsigned char*)q;
}
return 0;
}
t2 = tmp;
}
-Byte*
-strrev (Byte* byte_l, int length_i)
+unsigned char *
+strrev (unsigned char *byte, int length)
{
- Byte tmp_byte;
-
- Byte* left_l = byte_l;
- Byte* right_l = byte_l + length_i;
+ unsigned char tmp_byte;
+ unsigned char *left = byte;
+ unsigned char *right = byte + length;
- while (right_l > left_l)
- {
- my_swap (*right_l-- , *left_l++ , tmp_byte);
- }
- return byte_l;
+ while (right > left)
+ my_swap (*right--, *left++ , tmp_byte);
+ return byte;
}
#if ! HAVE_SNPRINTF
}
#endif
+#include <assert.h>
+
+extern "C" {
+
+#if ! HAVE_FOPENCOOKIE
+#if HAVE_FUNOPEN
+
+ FILE *
+ fopencookie (void *cookie, char const *mode, cookie_io_functions_t *fun)
+ {
+ return funopen (cookie, fun->read, fun->write, fun->seek, fun->close);
+ }
+
+#else /* ! HAVE_FUNOPEN */
+
+#include <cstdio>
+#include "memory-stream.hh"
+
+ static bool
+ is_memory_stream (void *foo)
+ {
+ Memory_out_stream* cookie = (Memory_out_stream*) foo;
+ return dynamic_cast<Memory_out_stream*> (cookie);
+ }
+
+ FILE *
+ fopencookie (void *cookie, char const *modes, cookie_io_functions_t io_funcs)
+ {
+ (void) cookie;
+ (void) modes;
+ (void) io_funcs;
+ if (is_memory_stream (cookie))
+ return (FILE*) cookie;
+ assert (false);
+ return 0;
+ }
+
+#undef fclose
+ int
+ handle_cookie_io_fclose (FILE *file)
+ {
+ if (is_memory_stream (file))
+ return Memory_out_stream::cleaner (file);
+ return fclose (file);
+ }
+
+#undef fprintf
+ int
+ handle_cookie_io_fprintf (FILE *file, char const *format, ...)
+ {
+ va_list ap;
+ va_start (ap, format);
+ if (is_memory_stream (file))
+ {
+ static char buf[1024];
+ int i = vsnprintf (buf, sizeof (buf), format, ap);
+ if (i == -1)
+ assert (false);
+ return Memory_out_stream::writer (file, buf, i);
+ }
+ int i = vfprintf (file, format, ap);
+ va_end (ap);
+ return i;
+ }
+
+#ifdef std_putc
+#define putc std_putc
+#else
+#undef putc
+#endif
+ int
+ handle_cookie_io_putc (int c, FILE *file)
+ {
+ if (is_memory_stream (file))
+ {
+ char buf[1];
+ buf[0] = (char) c;
+ return Memory_out_stream::writer (file, buf, 1);
+ }
+ return putc (c, file);
+ }
+
+#endif /* ! HAVE_FUNOPEN */
+#endif /* ! HAVE_FOPENCOOKIE */
+
+} /* extern C */
projects / lilypond.git / blobdiff