* Makefile.in: add miscfuncs.cc

* miscfuncs.cc: new, miscellaneous functions
* winsup.h: define table-driven tolower/toupper
* environ.cc: use them
* fhandler_console.cc: ditto
* fhandler_termios: ditto
* path.cc: ditto
(strncasematch, strcasematch, strcasestr): move to miscfuncs.cc

1 files changed, 114 insertions, 0 deletions

diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc
new file mode 100644
index 000000000..d66c22549
--- /dev/null
+++ b/winsup/cygwin/miscfuncs.cc
@@ -0,0 +1,114 @@
+/* miscfuncs.cc: misc funcs that don't belong anywhere else
+
+   Copyright 1996, 1997, 1998, 1999, 2000 Red Hat, Inc.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#include "winsup.h"
+
+/********************** String Helper Functions ************************/
+
+char case_folded_lower[] = {
+   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,
+  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,
+  32, '!', '"', '#', '$', '%', '&',  39, '(', ')', '*', '+', ',', '-', '.', '/',
+ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?',
+ '@', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
+ 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '[',  92, ']', '^', '_',
+ '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
+ 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~', 127,
+ 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
+ 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+ 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
+ 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
+ 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
+ 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
+ 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
+ 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255
+};
+
+char case_folded_upper[] = {
+   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,
+  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,
+  32, '!', '"', '#', '$', '%', '&',  39, '(', ')', '*', '+', ',', '-', '.', '/',
+ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?',
+ '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+ 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[',  92, ']', '^', '_',
+ '`', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
+ 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '{', '|', '}', '~', 127,
+ 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
+ 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
+ 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
+ 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
+ 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
+ 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
+ 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
+ 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255
+};
+
+#define ch_case_eq(ch1, ch2) (cyg_tolower(ch1) == cyg_tolower(ch2))
+
+/* Return TRUE if two strings match up to length n */
+extern "C" int __stdcall
+strncasematch (const char *s1, const char *s2, size_t n)
+{
+  if (s1 == s2)
+    return 1;
+
+  n++;
+  while (--n && *s1)
+    {
+      if (!ch_case_eq (*s1, *s2))
+	return 0;
+      s1++; s2++;
+    }
+  return !n || *s2 == '\0';
+}
+
+/* Return TRUE if two strings match */
+extern "C" int __stdcall
+strcasematch (const char *s1, const char *s2)
+{
+  if (s1 == s2)
+    return 1;
+
+  while (*s1)
+    {
+      if (!ch_case_eq (*s1, *s2))
+	return 0;
+      s1++; s2++;
+    }
+  return *s2 == '\0';
+}
+
+extern "C" char * __stdcall
+strcasestr (const char *searchee, const char *lookfor)
+{
+  if (*searchee == 0)
+    {
+      if (*lookfor)
+	return NULL;
+      return (char *) searchee;
+    }
+
+  while (*searchee)
+    {
+      int i = 0;
+      while (1)
+	{
+	  if (lookfor[i] == 0)
+	    return (char *) searchee;
+
+	  if (!ch_case_eq (lookfor[i], searchee[i]))
+	    break;
+	  lookfor++;
+	}
+      searchee++;
+    }
+
+  return NULL;
+}