Author: sebor
Date: Fri Oct 14 13:05:10 2005
New Revision: 321199
URL: http://svn.apache.org/viewcvs?rev=321199&view=rev
Log:
2005-10-14 Martin Sebor <[EMAIL PROTECTED]>
* NEWLINE.cpp: New test to determine the newline character sequence,
or one of <CR>, <CR><LF>, or <LF>.
Added:
incubator/stdcxx/trunk/etc/config/src/NEWLINE.cpp (with props)
Added: incubator/stdcxx/trunk/etc/config/src/NEWLINE.cpp
URL:
http://svn.apache.org/viewcvs/incubator/stdcxx/trunk/etc/config/src/NEWLINE.cpp?rev=321199&view=auto
==============================================================================
--- incubator/stdcxx/trunk/etc/config/src/NEWLINE.cpp (added)
+++ incubator/stdcxx/trunk/etc/config/src/NEWLINE.cpp Fri Oct 14 13:05:10 2005
@@ -0,0 +1,96 @@
+// checking for newline (CR or CR-LF)
+
+#include <stdio.h>
+
+int main ()
+{
+#if !defined (_RWSTD_USE_CONFIG)
+
+ printf ("/**/\n#undef _RWSTD_NEWLINE\n");
+
+#endif // _RWSTD_USE_CONFIG
+
+ // determine the byte sequence that corresponds to the '\n'
+ // source character, i.e., one of
+ // <CR> -- Apple II and Mac OS
+ // <LF> -- UNIX systems
+ // <CR><LF> -- CP/M, DOS, Windows
+ // <LF><CR> -- unknown
+
+ char fname [256];
+ if (0 == tmpnam (fname))
+ return 1;
+
+ FILE *fp = fopen (fname, "w");
+ if (0 == fp)
+ return 2;
+
+ fprintf (fp, "%s", "a\nb");
+ fclose (fp);
+
+ fp = fopen (fname, "rb");
+ if (0 == fp)
+ return 3;
+
+ char buffer [32] = "";
+
+ size_t nbytes = fread (buffer, 1, sizeof buffer, fp);
+
+ fclose (fp);
+ remove (fname);
+
+ char *pc;
+
+ for (pc = buffer; *pc && *pc != '\n'; ++pc);
+
+ if ('\0' == *pc) {
+
+ for (pc = buffer; *pc && *pc != '\r'; ++pc);
+
+ if ('\0' == *pc) {
+
+#if 'A' == '\x41' // ASCII
+
+ // no newline?
+ return 4;
+
+
+#elif 'A' == '\xc1' // EBCDIC
+
+
+ for (pc = buffer; *pc && *pc != '\x15'; ++pc);
+
+ if ('\0' == *pc) {
+ // no newline?
+ return 4;
+ }
+
+ printf ("#define _RWSTD_NEWLINE \"\\x15\"\n");
+ printf ("#define _RWSTD_NEWLINE_NEL\n");
+
+#endif // ASCII or EBCDIC
+
+ }
+ else {
+
+ printf ("#define _RWSTD_NEWLINE \"\\r\"\n");
+ printf ("#define _RWSTD_NEWLINE_CR\n");
+ }
+ }
+ else {
+ if ('\r' == pc [1]) {
+ printf ("#define _RWSTD_NEWLINE \"\\n\\r\"\n");
+ printf ("#define _RWSTD_NEWLINE_LF_CR\n");
+ }
+ if ('\r' == pc [-1]) {
+ printf ("#define _RWSTD_NEWLINE \"\\r\\n\"\n");
+ printf ("#define _RWSTD_NEWLINE_CR_LF\n");
+ }
+ else {
+ printf ("#define _RWSTD_NEWLINE \"\\n\"\n");
+ printf ("#define _RWSTD_NEWLINE_LF\n");
+ }
+ }
+
+ return 0;
+}
Propchange: incubator/stdcxx/trunk/etc/config/src/NEWLINE.cpp
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svn:eol-style = native
