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(file) atomic result for stating

This commit is contained in:
Devine Lu Linvega 2024-01-04 16:42:47 -08:00
parent 69ddbdf0c3
commit 6712c3eeb9
1 changed files with 13 additions and 12 deletions
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25
src/devices/file.c
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@ -230,22 +230,23 @@ file_write(UxnFile *c, void *src, Uint16 len, Uint8 flags)
static Uint16
file_stat(UxnFile *c, char *p, Uint16 len)
{
unsigned int i, size;
struct stat st;
if(c->outside_sandbox || len < 4) return 0;
if(c->outside_sandbox || !len)
return 0;
if(stat(c->current_filename, &st))
p[0] = p[1] = p[2] = p[3] = '!';
for(i = 0; i < len && i < 4; i++)
p[i] = '!';
else if(S_ISDIR(st.st_mode))
p[0] = p[1] = p[2] = p[3] = '-';
for(i = 0; i < len && i < 4; i++)
p[i] = '-';
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;
for(i = 0; i < len && i < 4; i++)
p[i] = '?';
else
for(i = 0, size = st.st_size; i < len && i < 4; i++, size <<= 4)
p[i] = inthex(size >> 0xc);
return len;
}
static Uint16