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#include "wccfile.h"
#define EOFX -1
size_x susan_wccfread(void* ptr, size_x size, size_x count, struct wccFILE* stream)
{
if ( susan_wccfeof( stream ) ) {
return EOFX;
}
unsigned i = stream->cur_pos, i2 = 0;
size_x number_of_chars_to_read =
stream->size - stream->cur_pos >= size * count ?
size * count : stream->size - stream->cur_pos;
_Pragma( "loopbound min 7220 max 7220" )
while (i < stream->cur_pos + number_of_chars_to_read) {
((unsigned char*)ptr)[i2++] = stream->data[i++];
}
stream->cur_pos += number_of_chars_to_read;
return number_of_chars_to_read;
}
int susan_wccfgetc(struct wccFILE *stream)
{
if ( susan_wccfeof( stream ) ) {
return EOFX;
} else {
return stream->data[stream->cur_pos++];
}
}
char *susan_wccfgets(char *str, int num, struct wccFILE *stream )
{
if ( !stream || susan_wccfeof( stream ) || !str || num <= 0 ) {
return 0;
}
int pos = 0;
_Pragma( "loopbound min 58 max 58" )
while ( pos < num - 1 && !susan_wccfeof( stream ) ) {
str[pos] = stream->data[stream->cur_pos];
if ( str[pos] == '\n' ) {
break;
}
stream->cur_pos++;
pos++;
}
str[pos++] = '\0';
return str;
}
int susan_wccfseek(struct wccFILE* stream, long int offset, enum _Origin_ origin)
{
if (origin == WCCSEEK_SET) {
stream->cur_pos = offset;
return 0;
} else if (origin == WCCSEEK_CUR) {
stream->cur_pos += offset;
return 0;
} else if (origin == WCCSEEK_END) {
stream->cur_pos = stream->size + offset;
return 0;
}
return -1;
}
int susan_wccfgetpos(struct wccFILE* stream, unsigned* position)
{
*position = stream->cur_pos;
return 0;
}
int susan_wccfeof(struct wccFILE* stream)
{
return stream->cur_pos == stream->size ? 1 : 0;
}
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