62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
#include "asset.h"
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char * assetLoadString(char *assetName) {
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// Open a buffer.
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FILE *fptr = assetBufferOpen(assetName);
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if(fptr == NULL) return NULL;
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// Read the count of bytes in the file
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fseek(fptr, 0, SEEK_END);// Seek to the end
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size_t length = ftell(fptr);// Get our current position (the end)
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fseek(fptr, 0, SEEK_SET);// Reset the seek
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// Create the string buffer
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char *str = malloc(length + 1);// Add 1 for the null terminator.
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if(str == NULL) {
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assetBufferClose(fptr);
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return NULL;
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}
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// Read and seal the string.
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fread(str, 1, length, fptr);// Read all the bytes
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str[length] = '\0';// Null terminate.
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assetBufferClose(fptr); // Close the buffer.
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return str;
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}
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FILE * assetBufferOpen(char *assetName) {
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// Get the directory based on the raw input by creating a new string.
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size_t lenAsset = strlen(assetName);// Get the length of asset
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size_t lenPrefix = strlen(ASSET_PREFIX);// Get the length of the prefix
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// Create str to house both the prefix and asset, and null terminator
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char *joined = malloc(lenAsset + lenPrefix + 1);
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if(joined == NULL) return NULL;// Mem okay?
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joined[0] = '\0';//Start at null
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strcat(joined, ASSET_PREFIX);//Add prefix
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strcat(joined, assetName);//Add body
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// Open the file pointer now.
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FILE *fptr = fopen(joined, "rb");
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free(joined);// Free the string we just created
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if(!fptr) return NULL;// File available?
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return fptr;
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}
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bool assetBufferClose(FILE *buffer) {
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return fclose(buffer);
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}
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int32_t assetBufferRead(FILE *buffer, char *data, int32_t size) {
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return (int32_t)fread(data, 1, size, buffer);
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}
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int32_t assetBufferEnd(FILE *buffer) {
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return feof(buffer);
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}
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void assetBufferSkip(FILE *buffer, int32_t n) {
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fseek(buffer, n, SEEK_CUR);
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} |