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file: write: return error if fflush failed

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Sigrid Solveig Haflínudóttir 2021-11-07 20:20:32 +01:00
parent 054361cb70
commit fd7cf5e221
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1 changed files with 4 additions and 4 deletions
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8
src/devices/file.c
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@ -109,17 +109,17 @@ file_read(void *dest, Uint16 len)
Uint16 Uint16
file_write(void *src, Uint16 len, Uint8 flags) file_write(void *src, Uint16 len, Uint8 flags)
{ {
Uint16 ret = 0;
if(state != FILE_WRITE) { if(state != FILE_WRITE) {
reset(); reset();
if((f = fopen(current_filename, (flags & 0x01) ? "ab" : "wb")) != NULL) if((f = fopen(current_filename, (flags & 0x01) ? "ab" : "wb")) != NULL)
state = FILE_WRITE; state = FILE_WRITE;
} }
if(state == FILE_WRITE) { if(state == FILE_WRITE) {
Uint16 ret = fwrite(src, 1, len, f); if((ret = fwrite(src, 1, len, f)) > 0 && fflush(f) != 0)
fflush(f); ret = 0;
return ret;
} }
return 0; return ret;
} }
Uint16 Uint16