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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| #include "file_struct.h" | ||
| #include "buffer_io.h" | ||
| #include <cerrno> | ||
|
|
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| long _ftell(FILE *pFile) { | ||
| int buf = 0; | ||
| long pos; | ||
|
|
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| unsigned char file_kind = pFile->mode.file; | ||
|
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| if (!(file_kind == file_disk || file_kind == file_console) || pFile->state.error) { | ||
| errno = 40; | ||
| return -1; | ||
| } | ||
|
|
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| if (pFile->state.io_state == neutral) { | ||
| return pFile->pos; | ||
| } | ||
|
|
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| pos = pFile->buffer_pos + (pFile->buffer_ptr - pFile->buffer); | ||
|
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| if (pFile->state.io_state >= rereading) { | ||
| buf = pFile->state.io_state - rereading + 1; | ||
| pos -= buf; | ||
| } | ||
|
|
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| if (!pFile->mode.binary) { | ||
| long dist = pFile->buffer_ptr - pFile->buffer - buf; | ||
| unsigned char* cur_buf = pFile->buffer; | ||
|
|
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| while (dist--) { | ||
| if (*cur_buf++ == '\n') { | ||
| pos++; | ||
| } | ||
| } | ||
| } | ||
|
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| return pos; | ||
| } | ||
|
|
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| long ftell(FILE *pFile) { | ||
| return _ftell(pFile); | ||
| } | ||
|
|
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| int _fseek(FILE *pFile, long offs, int file_mode) { | ||
| __pos_proc position_proc_func; | ||
| unsigned char file_kind = pFile->mode.file; | ||
|
|
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| if (!(file_kind == file_disk) || pFile->state.error) { | ||
| errno = 40; | ||
| return -1; | ||
| } | ||
|
|
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| if (pFile->state.io_state == writing) { | ||
| if (__flush_buffer(pFile, 0) != 0) { | ||
| pFile->state.error = 1; | ||
| pFile->buffer_len = 0; | ||
| errno = 40; | ||
| return -1; | ||
| } | ||
| } | ||
|
|
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| if (file_mode == 1) { | ||
| file_mode = 0; | ||
| offs += _ftell(pFile); | ||
| } | ||
|
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| if ((file_mode != 2) && (pFile->mode.io != 3) && ((pFile->state.io_state == reading) || (pFile->state.io_state == rereading))) { | ||
| if ((offs >= pFile->pos || offs < pFile->buffer_pos)) { | ||
| pFile->state.io_state = neutral; | ||
| } | ||
| else { | ||
| pFile->buffer_ptr = pFile->buffer + (offs - pFile->buffer_pos); | ||
| pFile->buffer_len = pFile->pos - offs; | ||
| pFile->state.io_state = reading; | ||
| } | ||
| } | ||
| else { | ||
| pFile->state.io_state = neutral; | ||
| } | ||
|
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| if (pFile->state.io_state == neutral) { | ||
| position_proc_func = pFile->pos_proc; | ||
|
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| if (position_proc_func != 0 && (*position_proc_func)(pFile->handle, &offs, file_mode, pFile->ref)) { | ||
| pFile->state.error = 1; | ||
| pFile->buffer_len = 0; | ||
| errno = 40; | ||
| return -1; | ||
| } | ||
|
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| pFile->state.eof = 0; | ||
| pFile->pos = offs; | ||
| pFile->buffer_len = 0; | ||
| } | ||
|
|
||
| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| #include <cstdlib> | ||
|
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||
| int raise(int); | ||
| int exit(int); | ||
|
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| void (*__stdio_exit)(void) = 0; | ||
| int __aborting = 0; | ||
|
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| void abort(void) { | ||
| raise(1); | ||
| __aborting = 1; | ||
| exit(1); | ||
| } |
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