Extra useful routines. First is dbTranslateEscape
This commit is contained in:
Marty Kraimer
84
src/libCom/epicsString.c
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84
src/libCom/epicsString.c
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@@ -0,0 +1,84 @@
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/*epicsString.c*/
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/*Authors: Noboru Yamamoto and Marty Kraimer*/
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/*****************************************************************
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COPYRIGHT NOTIFICATION
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*****************************************************************
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(C) COPYRIGHT 1993 UNIVERSITY OF CHICAGO
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This software was developed under a United States Government license
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described on the COPYRIGHT_UniversityOfChicago file included as part
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of this distribution.
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**********************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <limits.h>
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#include <errno.h>
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#include <ctype.h>
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int dbTranslateEscape(char *to, const char *from)
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{
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const char *pfrom = from;
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char *pto = to;
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char c;
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int nto=0;
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while( c = *pfrom++ ){
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if(c=='\\') {
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switch( *pfrom ){
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case 'a': pfrom++; *pto++ = '\a' ; nto++; break;
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case 'b': pfrom++; *pto++ = '\b' ; nto++; break;
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case 'f': pfrom++; *pto++ = '\f' ; nto++; break;
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case 'n': pfrom++; *pto++ = '\n' ; nto++; break;
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case 'r': pfrom++; *pto++ = '\r' ; nto++; break;
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case 't': pfrom++; *pto++ = '\t' ; nto++; break;
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case 'v': pfrom++; *pto++ = '\v' ; nto++; break;
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case '\\': pfrom++; *pto++ = '\\' ; nto++; break;
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case '\?': pfrom++; *pto++ = '\?' ; nto++; break;
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case '\'': pfrom++; *pto++ = '\'' ; nto++; break;
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case '\"': pfrom++; *pto++ = '\"' ; nto++; break;
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case '0' :case '1' :case '2' :case '3' :
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case '4' :case '5' :case '6' :case '7' :
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{
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int i;
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char strval[4] = {0,0,0,0};
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int ival;
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unsigned char *pchar;
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for(i=0; i<3; i++) {
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if((*pfrom < '0') || (*pfrom > '7')) break;
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strval[i] = *pfrom++;
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}
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sscanf(strval,"%o",&ival);
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pchar = (unsigned char *)(pto++); nto++;
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*pchar = (unsigned char)(ival);
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}
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break;
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case 'x' :
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{
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int i;
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char strval[3] = {0,0,0};
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int ival;
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unsigned char *pchar;
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pfrom++; /*skip the x*/
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for(i=0; i<2; i++) {
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if(!isxdigit(*pfrom)) break;
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strval[i] = *pfrom++;
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}
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sscanf(strval,"%x",&ival);
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pchar = (unsigned char *)(pto++); nto++;
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*pchar = (unsigned char)(ival);
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}
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break;
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default:
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*pto++ = *pfrom++;
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}
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} else {
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*pto++ = c; nto++;
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}
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}
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*pto = '\0'; /*NOTE that nto does not have to be incremented*/
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return(nto);
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}
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28
src/libCom/epicsString.h
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28
src/libCom/epicsString.h
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@@ -0,0 +1,28 @@
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/*epicsString.h*/
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/*Authors: Noboru Yamamoto and Marty Kraimer*/
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/*****************************************************************
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COPYRIGHT NOTIFICATION
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*****************************************************************
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(C) COPYRIGHT 1993 UNIVERSITY OF CHICAGO
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This software was developed under a United States Government license
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described on the COPYRIGHT_UniversityOfChicago file included as part
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of this distribution.
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**********************************************************************/
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/* int dbTranslateEscape(char *s,const char *ct);
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*
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* copies ct to s while substituting escape sequences
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* returns the length of the resultant string (may contain nulls)
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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int dbTranslateEscape(char *s,const char *ct);
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#ifdef __cplusplus
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}
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#endif
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84
src/libCom/misc/epicsString.c
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84
src/libCom/misc/epicsString.c
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@@ -0,0 +1,84 @@
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/*epicsString.c*/
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/*Authors: Noboru Yamamoto and Marty Kraimer*/
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/*****************************************************************
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COPYRIGHT NOTIFICATION
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*****************************************************************
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(C) COPYRIGHT 1993 UNIVERSITY OF CHICAGO
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This software was developed under a United States Government license
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described on the COPYRIGHT_UniversityOfChicago file included as part
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of this distribution.
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**********************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <limits.h>
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#include <errno.h>
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#include <ctype.h>
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int dbTranslateEscape(char *to, const char *from)
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{
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const char *pfrom = from;
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char *pto = to;
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char c;
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int nto=0;
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while( c = *pfrom++ ){
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if(c=='\\') {
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switch( *pfrom ){
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case 'a': pfrom++; *pto++ = '\a' ; nto++; break;
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case 'b': pfrom++; *pto++ = '\b' ; nto++; break;
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case 'f': pfrom++; *pto++ = '\f' ; nto++; break;
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case 'n': pfrom++; *pto++ = '\n' ; nto++; break;
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case 'r': pfrom++; *pto++ = '\r' ; nto++; break;
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case 't': pfrom++; *pto++ = '\t' ; nto++; break;
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case 'v': pfrom++; *pto++ = '\v' ; nto++; break;
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case '\\': pfrom++; *pto++ = '\\' ; nto++; break;
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case '\?': pfrom++; *pto++ = '\?' ; nto++; break;
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case '\'': pfrom++; *pto++ = '\'' ; nto++; break;
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case '\"': pfrom++; *pto++ = '\"' ; nto++; break;
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case '0' :case '1' :case '2' :case '3' :
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case '4' :case '5' :case '6' :case '7' :
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{
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int i;
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char strval[4] = {0,0,0,0};
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int ival;
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unsigned char *pchar;
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for(i=0; i<3; i++) {
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if((*pfrom < '0') || (*pfrom > '7')) break;
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strval[i] = *pfrom++;
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}
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sscanf(strval,"%o",&ival);
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pchar = (unsigned char *)(pto++); nto++;
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*pchar = (unsigned char)(ival);
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}
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break;
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case 'x' :
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{
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int i;
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char strval[3] = {0,0,0};
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int ival;
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unsigned char *pchar;
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pfrom++; /*skip the x*/
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for(i=0; i<2; i++) {
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if(!isxdigit(*pfrom)) break;
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strval[i] = *pfrom++;
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}
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sscanf(strval,"%x",&ival);
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pchar = (unsigned char *)(pto++); nto++;
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*pchar = (unsigned char)(ival);
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}
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break;
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default:
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*pto++ = *pfrom++;
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}
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} else {
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*pto++ = c; nto++;
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}
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}
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*pto = '\0'; /*NOTE that nto does not have to be incremented*/
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return(nto);
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}
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28
src/libCom/misc/epicsString.h
Normal file
28
src/libCom/misc/epicsString.h
Normal file
@@ -0,0 +1,28 @@
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/*epicsString.h*/
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/*Authors: Noboru Yamamoto and Marty Kraimer*/
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/*****************************************************************
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COPYRIGHT NOTIFICATION
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*****************************************************************
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(C) COPYRIGHT 1993 UNIVERSITY OF CHICAGO
|
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This software was developed under a United States Government license
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described on the COPYRIGHT_UniversityOfChicago file included as part
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of this distribution.
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**********************************************************************/
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/* int dbTranslateEscape(char *s,const char *ct);
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*
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* copies ct to s while substituting escape sequences
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* returns the length of the resultant string (may contain nulls)
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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int dbTranslateEscape(char *s,const char *ct);
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#ifdef __cplusplus
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}
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#endif
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