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Redimension result char array when doing &lef, &mid, &rig.

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This commit is contained in:
Renaud 2015-01-07 14:47:13 +08:00
parent 5756354dd5
commit d2d3581e74
1 changed files with 24 additions and 7 deletions
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31
eval.c
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@ -384,21 +384,38 @@ char *gtfun(char *fname)
int sz ;
sz = atoi( arg2) ;
if( sz >= ressize)
sz = ressize - 1 ;
if( sz >= ressize) {
free( result) ;
result = malloc( sz + 1) ;
ressize = sz + 1 ;
}
strncpy( result, arg1, sz) ;
result[ sz] = 0 ;
return result ;
}
case UFRIGHT:
return (strcpy(result,
&arg1[(strlen(arg1) - atoi(arg2))]));
case UFRIGHT: {
int sz ;
sz = atoi( arg2) ;
if( sz >= ressize) {
free( result) ;
result = malloc( sz + 1) ;
ressize = sz + 1 ;
}
return strcpy( result, &arg1[ strlen( arg1) - sz]) ;
}
case UFMID: {
int sz ;
sz = atoi( arg3) ;
if( sz >= ressize)
sz = ressize - 1 ;
if( sz >= ressize) {
free( result) ;
result = malloc( sz + 1) ;
ressize = sz + 1 ;
}
strncpy( result, &arg1[ atoi( arg2) - 1], sz) ;
result[ sz] = 0 ;
return result ;