Function Ini_GetString

src/ini.c:14–144

#include "string.h"

char *Ini_GetString(const char *category, const char *key, const char *defaultValue, char *dest, uint16 length, char *source)
{
	char *s;
	char buffer[1024];
	uint16 catLength;
	char *current;
	char *ret;

	if (dest != NULL) {
		*dest = '\0';
		/* Set the default value in case we jump out early */
		if (defaultValue != NULL) strncpy(dest, defaultValue, length);
		dest[length - 1] = '\0';
	}

	if (source == NULL) return NULL;

	sprintf(buffer, "[%s]", category);
	for (s = buffer; *s != '\0'; s++) *s = toupper(*s);
	catLength = (uint16)strlen(buffer);

	ret = source;

	for (current = source; current != NULL; current++) {
		const char *end;

		current = strchr(current, '[');
		if (current == NULL) break;

		if (strncasecmp(current, buffer, catLength) != 0) continue;
		if (current != source && *(current - 1) != '\r' && *(current - 1) != '\n') continue;

		current += catLength;
		while (isspace((uint8)*current)) current++;

		/* Find the end of this block */
		for (end = current; end != NULL; end++) {
			end = strchr(end, '[');
			if (end == NULL) break;

			if (*(end - 1) == '\r' || *(end - 1) == '\n') break;
		}

		/* If there is no other '[', take the last char of the file */
		if (end == NULL) end = current + strlen(current);

		if (key != NULL) {
			uint16 keyLength = (uint16)strlen(key);

			ret = current;

			while (current < end) {
				char *value;
				char *lineEnd;

				/* Check to see if there is nothing behind the key ('a' should not match 'aa') */
				value = current + keyLength;
				while (isspace((uint8)*value)) value++;