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** TH Syntax:
**
** string first NEEDLE HAYSTACK
*/
static int string_first_command(
Th_Interp *interp, void *ctx, int argc, const char **argv, int *argl
){
const char *zNeedle;
const char *zHaystack;
int i;
zNeedle = argv[2];
zHaystack = argv[3];
nHaystack = argl[3];
for(i=0; i<(nHaystack-nNeedle); i++){
if( 0==memcmp(zNeedle, &zHaystack[i], nNeedle) ){
iRes = i;
break;
}
}
return Th_SetResultInt(interp, iRes);
}
/*
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** TH Syntax:
**
** string first NEEDLE HAYSTACK
*/
static int string_first_command(
Th_Interp *interp, void *ctx, int argc, const char **argv, int *argl
){
int nNeedle;
int nHaystack;
int iRes = -1;
if( argc!=4 ){
return Th_WrongNumArgs(interp, "string first needle haystack");
}
nNeedle = argl[2];
nHaystack = argl[3];
if( nNeedle && nHaystack && nNeedle<=nHaystack ){
const char *zNeedle = argv[2];
const char *zHaystack = argv[3];
int i;
for(i=0; i<=(nHaystack-nNeedle); i++){
if( 0==memcmp(zNeedle, &zHaystack[i], nNeedle) ){
iRes = i;
break;
}
}
}
return Th_SetResultInt(interp, iRes);
}
/*
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** TH Syntax:
**
** string last NEEDLE HAYSTACK
*/
static int string_last_command(
Th_Interp *interp, void *ctx, int argc, const char **argv, int *argl
){
const char *zNeedle;
const char *zHaystack;
int i;
zNeedle = argv[2];
zHaystack = argv[3];
nHaystack = argl[3];
for(i=nHaystack-nNeedle-1; i>=0; i--){
if( 0==memcmp(zNeedle, &zHaystack[i], nNeedle) ){
iRes = i;
break;
}
}
return Th_SetResultInt(interp, iRes);
}
/*
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** TH Syntax:
**
** string last NEEDLE HAYSTACK
*/
static int string_last_command(
Th_Interp *interp, void *ctx, int argc, const char **argv, int *argl
){
int nNeedle;
int nHaystack;
int iRes = -1;
if( argc!=4 ){
return Th_WrongNumArgs(interp, "string last needle haystack");
}
nNeedle = argl[2];
nHaystack = argl[3];
if( nNeedle && nHaystack && nNeedle<=nHaystack ){
const char *zNeedle = argv[2];
const char *zHaystack = argv[3];
int i;
for(i=nHaystack-nNeedle; i>=0; i--){
if( 0==memcmp(zNeedle, &zHaystack[i], nNeedle) ){
iRes = i;
break;
}
}
}
return Th_SetResultInt(interp, iRes);
}
/*
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