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caseconv
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convconv.c
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C/C++ Source or Header
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1999-05-11
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7KB
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131 lines
/*static char *SCCSID = "@(#)convconv.c 13.2 92/01/23";*/
#pragma title ("CONVCONV.C - Case Converter Example Routines")
/********************** START OF SPECIFICATIONS *****************************/
/* */
/* SOURCE FILE NAME: CONVCONV.C */
/* */
/* DESCRIPTIVE NAME: CONV converter Procedure Example Routines. */
/* */
/* COPYRIGHT: */
/* Copyright (c) IBM Corporation 1992, 1993 */
/* All Rights Reserved */
/* */
/* STATUS: OS/2 MM Release 1.10 */
/* */
/* FUNCTION: This module contains case conversion routines for the */
/* File Format I/O Procedure. */
/* */
/* NOTES: */
/* DEPENDENCIES: NONE */
/* RESTRICTIONS: Runs in protect mode only */
/* */
/* ENTRY POINTS: */
/* */
/* ROUTINES: convhlpToUpper */
/* convhlpToLower */
/* */
/* EXTERNAL REFERENCES: */
/* */
/* MODIFICATION HISTORY: */
/* DATE DEVELOPER CHANGE DESCRIPTION */
/* 09/30/91 JWO Creation. */
/* */
/*********************** END OF SPECIFICATIONS ******************************/
#define INCL_NOPMAPI // no PM include files required
#define INCL_DOSRESOURCES
#define INCL_CONVPROC // use only include CONV proc info
#include <os2.h>
#include <mmioos2.h> // mmio standard defines/prototypes
#include "convproc.h" // header for CONV procedure
#pragma subtitle ("convhlpToUpper - Convert text to upper case.")
#pragma page ()
/****************************************************************************
* This routine will accept a NULL terminated buffer of characters and *
* convert them to upper case characters. The characters are mapped to *
* the characters in the szMap array by their ASCII value. Therefore, *
* the uppercase ASCII chars are where the lowercase ASCII chars are. *
* All the other characters are left to be their normal ASCII value. *
****************************************************************************/
VOID APIENTRY convhlpToUpper( PUCHAR psz )
{
static CHAR szMap[] =
{
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, ' ', '!',
'"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.',
'/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
':', ';', '<', '=', '>', '?', '@',
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'[', '\\', ']', '^', '_', '`',
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'{', '|', '}', '~', 127, 128, 129, 130, 131, 132, 133, 134, 135, 136,
137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150,
151, 152, 153, 154, 155, 156, 157, 158, 158, 159, 160, 161, 162, 162,
163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176,
177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190,
191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204,
205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218,
219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232,
233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246,
247, 248, 249, 250, 251, 252, 253, 254, 255
};
while (*psz)
{
*psz = *(szMap + (*psz));
psz++;
}
}
#pragma subtitle ("convhlpToLower - Convert text to lower case.")
#pragma page ()
/****************************************************************************
* This routine will accept a NULL terminated buffer of characters and *
* convert them to lower case characters. The characters are mapped to *
* the characters in the szMap array by their ASCII value. Therefore, *
* the lowercase ASCII chars are where the uppercase ASCII chars are. *
* All the other characters are left to be their normal ASCII value. *
****************************************************************************/
VOID APIENTRY convhlpToLower( PUCHAR psz )
{
static CHAR szMap[] =
{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, ' ', '!',
'"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.',
'/', '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',
'[', '\\', ']', '^', '_', '`',
'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, 158, 159, 160, 161, 162, 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
};
while (*psz)
{
*psz = *(szMap + (*psz));
psz++;
}
}