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| Rev 88 | Rev 89 | ||
|---|---|---|---|
| Line 1343... | Line 1343... | ||
| 1343 | /* Description: This function looks for the specified file in the rootdirectory of the drive. If the file is found the number of the */ |
1343 | /* Description: This function looks for the specified file in the rootdirectory of the drive. If the file is found the number of the */ |
| 1344 | /* corrosponding filepointer is returned. Only modes 'r' (reading) and 'a' append are implemented yet. */ |
1344 | /* corrosponding filepointer is returned. Only modes 'r' (reading) and 'a' append are implemented yet. */ |
| 1345 | /* */ |
1345 | /* */ |
| 1346 | /* Returnvalue: The filepointer to the file or 0 if faild. */ |
1346 | /* Returnvalue: The filepointer to the file or 0 if faild. */ |
| 1347 | /********************************************************************************************************************************************/ |
1347 | /********************************************************************************************************************************************/ |
| 1348 | File_t * fopen_(const s8 *filename, const s8 mode) |
1348 | File_t * fopen_(s8 * const filename, const s8 mode) |
| 1349 | { |
1349 | { |
| 1350 | File_t *file = 0; |
1350 | File_t *file = 0; |
| Line 1351... | Line 1351... | ||
| 1351 | 1351 | ||
| Line 1725... | Line 1725... | ||
| 1725 | /* */ |
1725 | /* */ |
| 1726 | /* Description: This function writes a string to the specified file. */ |
1726 | /* Description: This function writes a string to the specified file. */ |
| 1727 | /* */ |
1727 | /* */ |
| 1728 | /* Returnvalue: The function returns a no negative value or EOF on error. */ |
1728 | /* Returnvalue: The function returns a no negative value or EOF on error. */ |
| 1729 | /****************************************************************************************************************************************/ |
1729 | /****************************************************************************************************************************************/ |
| 1730 | s16 fputs_(const s8 *string, File_t *file) |
1730 | s16 fputs_(s8 * const string, File_t * const file) |
| 1731 | { |
1731 | { |
| 1732 | u8 i=0; |
1732 | u8 i=0; |
| 1733 | s16 c = 0; |
1733 | s16 c = 0; |
| Line 1734... | Line 1734... | ||
| 1734 | 1734 | ||
| Line 1747... | Line 1747... | ||
| 1747 | /* */ |
1747 | /* */ |
| 1748 | /* Description: This function reads a string from the file to the specifies string. */ |
1748 | /* Description: This function reads a string from the file to the specifies string. */ |
| 1749 | /* */ |
1749 | /* */ |
| 1750 | /* Returnvalue: A pointer to the string read from the file or 0 on error. */ |
1750 | /* Returnvalue: A pointer to the string read from the file or 0 on error. */ |
| 1751 | /****************************************************************************************************************************************/ |
1751 | /****************************************************************************************************************************************/ |
| 1752 | u8 * fgets_(s8 *string, s16 length, File_t *file) |
1752 | s8 * fgets_(s8 * const string, s16 const length, File_t * const file) |
| 1753 | { |
1753 | { |
| 1754 | u8 *pbuff; |
1754 | s8 *pbuff; |
| 1755 | s16 c = 0; |
1755 | s16 c = 0, bytecount; |
| Line 1756... | Line 1756... | ||
| 1756 | 1756 | ||
| 1757 | if((!Partition.IsValid) || (file == NULL) || (string == NULL) || (length = 0)) return (0); |
1757 | if((!Partition.IsValid) || (file == NULL) || (string == NULL) || (length < 1)) return (0); |
| - | 1758 | bytecount = length; |
|
| 1758 | pbuff = string; |
1759 | pbuff = string; // set write pointer to start of string |
| 1759 | while(length > 1) // read the length-1 characters from the file to the string. |
1760 | while(bytecount > 1) // read the length-1 characters from the file to the string. |
| 1760 | { |
1761 | { |
| 1761 | c = fgetc_(file); // read a character from the opened file. |
1762 | c = fgetc_(file); // read a character from the opened file. |
| 1762 | switch(c) |
1763 | switch(c) |
| 1763 | { |
1764 | { |
| 1764 | case 0x0A: |
1765 | case 0x0A: // new line |
| 1765 | c = 0; // set string terminator |
1766 | *pbuff = 0; // set string terminator |
| 1766 | length = 1; // stop loop |
- | |
| Line 1767... | Line 1767... | ||
| 1767 | break; |
1767 | return(string); // return normal |
| 1768 | 1768 | ||
| - | 1769 | case EOF: |
|
| - | 1770 | *pbuff = 0; // set string terminator |
|
| - | 1771 | return(0); |
|
| 1769 | case EOF: |
1772 | |
| - | 1773 | default: |
|
| 1770 | c = 0; // set string terminator |
1774 | *pbuff++ = (s8)c; // copy byte to string |
| 1771 | length = 1; // stop loop |
1775 | bytecount--; |
| 1772 | break; |
- | |
| 1773 | } |
- | |
| 1774 | *pbuff = (s8)c; // copy byte to string |
- | |
| 1775 | length--; |
1776 | break; |
| - | 1777 | } |
|
| 1776 | pbuff++; |
1778 | } |
| 1777 | } |
1779 | *pbuff = 0; // set string terminator |
| Line 1778... | Line 1780... | ||
| 1778 | return(string); |
1780 | return(string); |
| 1779 | } |
1781 | } |
| 1780 | 1782 | ||
| 1781 | /****************************************************************************************************************************************/ |
1783 | /****************************************************************************************************************************************/ |
| 1782 | /* Function: fexist_(const u8*); */ |
1784 | /* Function: fexist_(const u8*); */ |
| 1783 | /* */ |
1785 | /* */ |
| 1784 | /* Description: This function checks if a file already exist. */ |
1786 | /* Description: This function checks if a file already exist. */ |
| 1785 | /* */ |
1787 | /* */ |
| 1786 | /* Returnvalue: 1 if the file exist else 0. */ |
1788 | /* Returnvalue: 1 if the file exist else 0. */ |
| 1787 | /****************************************************************************************************************************************/ |
1789 | /****************************************************************************************************************************************/ |
| 1788 | u8 fexist_(const s8* filename) |
1790 | u8 fexist_(s8 * const filename) |
| 1789 | { |
1791 | { |
| 1790 | u8 exist = 0; |
1792 | u8 exist = 0; |