utility.c

voltage 公司提供的一个开发Ibe的工具包

/* Copyright 2003-2005, Voltage Security, all rights reserved.
*/

#include "Utility.h"
#include "icstringutils.h"
#include "stringutil.h"

int getXMLNodeValue (
   int *out,
   icXmlNode *node,
   char *attrName,
   VoltLibCtx *libCtx
   )
{
	char *valueStr;
	int temp;

	icTableGet (node->attributes, attrName, &valueStr, libCtx);
	if (valueStr == (void *) 0)
		return -1;

	if (sscanf (valueStr, "%d", &temp) != 1) 
		return -1;

	*out = temp;

	return 0;
}

int makeStringArray (
   char ***array,
   int *count,
   char *text,
   VoltLibCtx *libCtx
   )
{
	char *start, *end;
	char *line;
	int max, code = 0;

	if (Z2Strlen(text) == 0)
	{
		*count = 0;
		*array = (void *) 0;
		goto err_return5;
	}

	max = 10;
	*count = 0;
	*array = (char **)Z3Malloc(sizeof(char *) * max);
	if(*array == (char**) 0)
	{
		code = VT_ERROR_MEMORY;
		goto err_return5;
	}

	start = text;
	while (1)
	{
		end = Z2Strchr(start, '\n');
		if (end == (void *) 0)
			end = start + Z2Strlen(start);

		if (*count == max)
		{
			max *= 2;
			*array = (char **)Z2Realloc(*array, sizeof(char *) * max);
		}
		line = (char *)Z3Malloc(sizeof(char) * (end - start + 1));
		if(line == (char*) 0)
		{
			code = VT_ERROR_MEMORY;
			goto err_return5;
		}
		Z2Strncpy(line, start, end - start);
		line[end - start] = 0;
		icTrim (line, libCtx);

		if (Z2Strlen(line) > 0)
		{
			(*array)[*count] = line;
			(*count)++;
		}
		else
		{
			Z2Free(line);
		}

		if (*end == 0)		// strchr failed at top
			break;

		start = end + 1;
		if (*start == 0)
			break;
	}

	if (*count > 0)
	{
		*array = (char **)Z2Realloc(*array, sizeof(char *) * *count);
	}
	else
	{
		// We never found anything...
		Z2Free(*array);
		*array = (void *) 0;
	}

err_return5:
	return code;
}

void freeStringArray(char **array, int count, VoltLibCtx *libCtx)
{
	int i;

	for (i = 0; i < count; i++)
		Z2Free(array[i]);
	Z2Free(array);
}