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(file) Can File/stat with only 4 bytes of length

This commit is contained in:
Devine Lu Linvega 2024-01-04 10:58:57 -08:00
parent 29823e5bd1
commit 1f622ff541
2 changed files with 46 additions and 14 deletions
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25
build.sh
View File

@ -38,7 +38,7 @@ while [ $# -gt 0 ]; do
esac esac
done done
rm -f ./bin/* rm -f bin/*
# When clang-format is present # When clang-format is present
@ -89,23 +89,26 @@ then
cp bin/uxnemu bin/uxnasm bin/uxncli $HOME/bin/ cp bin/uxnemu bin/uxnasm bin/uxncli $HOME/bin/
fi fi
./bin/uxnasm projects/software/launcher.tal bin/launcher.rom bin/uxnasm projects/software/launcher.tal bin/launcher.rom
./bin/uxnasm projects/software/asma.tal bin/asma.rom bin/uxnasm projects/software/asma.tal bin/asma.rom
if [ $norun = 1 ]; then exit; fi if [ $norun = 1 ]; then exit; fi
# Test usage # Test usage
./bin/uxnasm bin/uxnasm
./bin/uxncli bin/uxncli
./bin/uxnemu bin/uxnemu
# Test version # Test version
./bin/uxnasm -v bin/uxnasm -v
./bin/uxncli -v bin/uxncli -v
./bin/uxnemu -v bin/uxnemu -v
./bin/uxnasm projects/examples/devices/mouse.tal bin/mouse.rom bin/uxnasm projects/examples/devices/mouse.tal bin/mouse.rom
bin/uxnemu -2x bin/mouse.rom
# bin/uxnasm test.tal bin/test.rom
# bin/uxncli bin/test.rom
./bin/uxnemu -2x bin/mouse.rom

35
src/devices/file.c
View File

@ -54,6 +54,13 @@ typedef struct {
static UxnFile uxn_file[POLYFILEY]; static UxnFile uxn_file[POLYFILEY];
static char
inthex(int n)
{
n &= 0xf;
return n < 10 ? '0' + n : 'a' + (n - 10);
}
static void static void
reset(UxnFile *c) reset(UxnFile *c)
{ {
@ -71,7 +78,29 @@ reset(UxnFile *c)
} }
static Uint16 static Uint16
get_entry(char *p, Uint16 len, const char *pathname, const char *basename, int fail_nonzero) put_info(char *p, Uint16 len, const char *pathname)
{
struct stat st;
if(len < 4)
return 0;
if(stat(pathname, &st))
p[0] = p[1] = p[2] = p[3] = '!';
else if(S_ISDIR(st.st_mode))
p[0] = p[1] = p[2] = p[3] = '-';
else if(st.st_size >= 0x10000)
p[0] = p[1] = p[2] = p[3] = '?';
else {
unsigned int size = st.st_size;
p[0] = inthex(size >> 0xc);
p[1] = inthex(size >> 0x8);
p[2] = inthex(size >> 0x4);
p[3] = inthex(size);
}
return 4;
}
static Uint16
put_line(char *p, Uint16 len, const char *pathname, const char *basename, int fail_nonzero)
{ {
struct stat st; struct stat st;
if(len < strlen(basename) + 8) if(len < strlen(basename) + 8)
@ -114,7 +143,7 @@ file_read_dir(UxnFile *c, char *dest, Uint16 len)
snprintf(pathname, sizeof(pathname), "%s/%s", c->current_filename, c->de->d_name); snprintf(pathname, sizeof(pathname), "%s/%s", c->current_filename, c->de->d_name);
else else
pathname[0] = '\0'; pathname[0] = '\0';
n = get_entry(p, len, pathname, c->de->d_name, 1); n = put_line(p, len, pathname, c->de->d_name, 1);
if(!n) break; if(!n) break;
p += n; p += n;
len -= n; len -= n;
@ -233,7 +262,7 @@ file_stat(UxnFile *c, void *dest, Uint16 len)
basename++; basename++;
else else
basename = c->current_filename; basename = c->current_filename;
return get_entry(dest, len, c->current_filename, basename, 0); return put_info(dest, len, c->current_filename);
} }
static Uint16 static Uint16