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**
** This file contains code used to implement the "diff" command
*/
#include "config.h"
#include "diffcmd.h"
#include <assert.h>
/*
** Shell-escape the given string. Append the result to a blob.
*/
void shell_escape(Blob *pBlob, const char *zIn){
int n = blob_size(pBlob);
int k = strlen(zIn);
int i, c;
char *z;
for(i=0; (c = zIn[i])!=0; i++){
if( isspace(c) || c=='"' || (c=='\\' && zIn[i+1]!=0) ){
blob_appendf(pBlob, "\"%s\"", zIn);
z = blob_buffer(pBlob);
for(i=n+1; i<=n+k; i++){
if( z[i]=='"' ) z[i] = '_';
}
return;
}
}
blob_append(pBlob, zIn, -1);
}
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