Fcalva/fxsdk
1
0
Fork 0
mirror of https://git.planet-casio.com/Lephenixnoir/fxsdk.git synced 2024-12-28 04:23:37 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

fxgxa: use standard fopen() for reading files [Windows]

Browse source
This commit is contained in:
Lephenixnoir 2024-08-26 11:04:04 +02:00
parent 50997a8b75
commit b83796a382
No known key found for this signature in database
GPG key ID: 1BBA026E13FC0495
1 changed files with 15 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
fxgxa/file.c
View file

@ -19,7 +19,7 @@ static void invert_header(void *gxa)
#define fail(msg, ...) { \
fprintf(stderr, "error: " msg ": %m\n", ##__VA_ARGS__); \
close(fd); \
fclose(fp); \
free(data); \
return NULL; \
}
@ -28,31 +28,31 @@ static void invert_header(void *gxa)
Allocates a buffer with @prepend leading bytes initialized to zero. */
static void *load(const char *filename, size_t *size, int header, int footer)
{
int fd;
struct stat statbuf;
FILE *fp;
void *data = NULL;
size_t filesize;
long filesize;
fd = open(filename, O_RDONLY);
if(fd < 0) fail("cannot open %s", filename);
fp = fopen(filename, "rb");
if(!fp) fail("cannot open %s", filename);
int x = fstat(fd, &statbuf);
if(x > 0) fail("cannot stat %s", filename);
filesize = statbuf.st_size;
fseek(fp, 0, SEEK_END);
filesize = ftell(fp);
fseek(fp, 0, SEEK_SET);
if(ftell(fp) != 0) fail("cannod rewind %s", filename);
data = malloc(header + filesize + footer);
if(!data) fail("cannot load %s", filename);
size_t remaining = filesize;
long remaining = filesize;
while(remaining > 0)
{
size_t offset = header + filesize - remaining;
ssize_t y = read(fd, data + offset, remaining);
long offset = header + filesize - remaining;
long y = fread(data + offset, 1, remaining, fp);
if(y < 0) fail("cannot read from %s", filename);
if(y <= 0) fail("cannot read from %s at offset %ld",
filename, offset);
remaining -= y;
}
close(fd);
fclose(fp);
memset(data, 0, header);
memset(data + header + filesize, 0, footer);