KolibriOS/kolibrios
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libc.obj:

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- fixed fread bug  

git-svn-id: svn://kolibrios.org@9165 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
turbocat 2021-08-29 18:27:24 +00:00
parent 261bcf35ff
commit 109befa1e4
2 changed files with 17 additions and 27 deletions
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12
programs/develop/ktcc/trunk/libc.obj/include/sys/ksys.h
View File

@ -1304,16 +1304,12 @@ int _ksys_file_read_file(const char *name, unsigned long long offset, unsigned s
k.p20 = 0;
k.p21 = name;
int status;
unsigned bytes_read_v;
asm_inline(
"int $0x40"
:"=a"(status), "=b"(bytes_read_v)
:"=a"(status), "=b"(*bytes_read)
:"a"(70), "b"(&k)
:"memory"
);
if (!status) {
*bytes_read = bytes_read_v;
}
return status;
}
@ -1343,16 +1339,12 @@ int _ksys_file_write_file(const char *name, unsigned long long offset, unsigned
k.p20 = 0;
k.p21 = name;
int status;
unsigned bytes_written_v;
asm_inline(
"int $0x40"
:"=a"(status), "=b"(bytes_written_v)
:"=a"(status), "=b"(*bytes_written)
:"a"(70), "b"(&k)
:"memory"
);
if (!status) {
*bytes_written = bytes_written_v;
}
return status;
}

32
programs/develop/ktcc/trunk/libc.obj/source/stdio/fread.c
View File

@ -24,24 +24,22 @@ size_t fread(void *restrict ptr, size_t size, size_t nmemb, FILE *restrict strea
return nmemb;
}
else{
if(stream->mode & _FILEMODE_R){
if(!stream->__ungetc_emu_buff){
((char*) ptr)[0]=(char)stream->__ungetc_emu_buff;
//debug_printf("Ungetc: %x\n", ((char*) ptr)[0]);
}
unsigned status = _ksys_file_read_file(stream->name, stream->position, bytes_count, ptr , &bytes_read);
if (status != KSYS_FS_ERR_SUCCESS) {
if(status == KSYS_FS_ERR_EOF){
stream->eof=1;
}else{
errno = EIO;
stream->error = errno;
return 0;
}
}
stream->position+=bytes_read;
if(stream->mode & _FILEMODE_R){
if(!stream->__ungetc_emu_buff){
((char*) ptr)[0]=(char)stream->__ungetc_emu_buff;
//debug_printf("Ungetc: %x\n", ((char*) ptr)[0]);
}
unsigned status = _ksys_file_read_file(stream->name, stream->position, bytes_count, ptr , &bytes_read);
if (status != KSYS_FS_ERR_SUCCESS) {
if(status == KSYS_FS_ERR_EOF){
stream->eof=1;
}else{
errno = EIO;
stream->error = errno;
return 0;
}
}
stream->position+=bytes_read;
}
return bytes_read/size;
}