diff options
Diffstat (limited to 'sid/sidplay-libs-2.1.0/libsidutils/src/ini/ini.cpp')
| -rw-r--r-- | sid/sidplay-libs-2.1.0/libsidutils/src/ini/ini.cpp | 939 |
1 files changed, 939 insertions, 0 deletions
diff --git a/sid/sidplay-libs-2.1.0/libsidutils/src/ini/ini.cpp b/sid/sidplay-libs-2.1.0/libsidutils/src/ini/ini.cpp new file mode 100644 index 00000000..b7d39362 --- /dev/null +++ b/sid/sidplay-libs-2.1.0/libsidutils/src/ini/ini.cpp @@ -0,0 +1,939 @@ +/*************************************************************************** + ini.cpp - Reads and writes keys to a + ini file. + + ------------------- + begin : Fri Apr 21 2000 + copyright : (C) 2000 by Simon White + email : s_a_white@email.com + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ +/*************************************************************************** + * $Log: ini.cpp,v $ + * Revision 1.9 2002/02/18 20:02:33 s_a_white + * Synced with libini. + * + * Revision 1.16 2002/02/18 19:56:35 s_a_white + * Faster CRC alogarithm for hash key generation. + * + * Revision 1.15 2002/01/15 21:08:43 s_a_white + * crc fix. + * + * Revision 1.14 2001/11/15 21:19:34 s_a_white + * Appended __ini_ to global variables and INI_ to #defines. + * + * Revision 1.13 2001/11/15 21:13:13 s_a_white + * Appended __ini_ to strtrim and createCrc32. + * + * Revision 1.12 2001/09/30 15:15:30 s_a_white + * Fixed backup file removal. + * + * Revision 1.11 2001/09/22 08:56:06 s_a_white + * Added mode support. This is used to determine how the INI file should be + * accessed. + * + * Revision 1.10 2001/08/23 19:59:18 s_a_white + * ini_append fix so not freeing wrong buffer. + * + * Revision 1.9 2001/08/17 19:23:16 s_a_white + * Added ini_append. + * + * Revision 1.8 2001/08/14 22:21:21 s_a_white + * Hash table and list removal fixes. + * + * Revision 1.7 2001/07/27 11:10:15 s_a_white + * Simplified __ini_deleteAll. + * + * Revision 1.6 2001/07/21 09:47:12 s_a_white + * Bug Fixes (thanks Andy): + * *) After a flush the key and heading are now remembered. + * *) ini_deleteAll then ini_close now correctly deletes the ini file. + * *) ini_flush with no changes no longer destroys the ini object. + * + ***************************************************************************/ + +//******************************************************************************************************************* +// Include Files +//******************************************************************************************************************* +#include <assert.h> +#include <ctype.h> +#include <malloc.h> +#include <stdio.h> +#include <string.h> + +#include "config.h" +#include "ini.h" + +#define INI_BUFFER_SIZE (1024 * 5) + + +//******************************************************************************************************************* +// Function Prototypes +//******************************************************************************************************************* +static ini_t *__ini_open (const char *name, ini_mode_t mode); +static int __ini_close (ini_t *ini, bool flush); +static void __ini_delete (ini_t *ini); +static struct key_tag *__ini_locate (ini_t *ini, char *heading, char *key); +static int __ini_process (ini_t *ini, FILE *file); +static int __ini_store (ini_t *ini, FILE *file); + + +#ifdef INI_USE_HASH_TABLE +static const unsigned long __ini_crc32Table[0x100] = +{ + 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, + 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, + 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, + 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, + 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, + 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, + 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, + 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, + 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, + 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, + 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, + 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, + 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, + 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, + 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, + 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, + 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, + 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, + 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, + 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, + 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, + 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, + 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, + 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, + 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, + 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, + 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, + 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, + 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, + 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, + 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, + 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, + 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, + 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, + 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, + 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, + 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, + 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, + 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, + 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, + 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, + 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, + 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, + 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, + 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, + 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, + 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, + 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, + 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, + 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, + 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, + 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, + 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, + 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, + 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, + 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, + 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, + 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, + 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, + 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, + 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, + 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, + 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, + 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D +}; + +/******************************************************************************************************************** + * Function : createCrc32 + * Parameters : init - initial crc starting value, pBuf - data to base crc on + * : length - length in bytes of data + * Returns : + * Globals Used : + * Globals Modified : + * Description : Creates a 32 bit CRC based on the input data + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +static unsigned long __ini_createCrc32 (char *pBuf, size_t length) +{ + unsigned long crc = 0xffffffff; + for (size_t i = 0; i < length; i++) + crc = (crc >> 8) ^ __ini_crc32Table[(crc & 0xFF) ^ (unsigned) *pBuf++]; + return (crc ^ 0xffffffff); +} +#endif // INI_USE_HASH_TABLE + + +/******************************************************************************************************************** + * Function : __ini_strtrim + * Parameters : str - string to be trimmed + * Returns : + * Globals Used : + * Globals Modified : + * Description : Removes all char deemed to be spaces from start and end of string. + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +void __ini_strtrim (char *str) +{ + long first, last; + first = 0; + last = strlen (str); + + if (!last--) + return; + + // Clip end first + while (isspace (str[last]) && last > 0) + last--; + str[last + 1] = '\0'; + + // Clip beginning + while (isspace (str[first]) && (first < last)) + first++; + strcpy (str, str + first); +} + + +/******************************************************************************************************************** + * Function : __ini_open + * Parameters : name - ini file to parse + * Returns : Pointer to ini database. + * Globals Used : + * Globals Modified : + * Description : Opens an ini data file and reads it's contents into a database + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +ini_t *__ini_open (const char *name, ini_mode_t mode) +{ + ini_t *ini; + FILE *file = NULL; + unsigned long length; + + if (!name) + return 0; + + length = strlen(name); + if (!length) + return 0; + + // Create ini database stub + ini = (ini_t *) malloc (sizeof (ini_t)); + if (!ini) + goto ini_openError; + memset (ini, 0, sizeof (ini_t)); + + // Store ini filename + ini->filename = (char *) malloc (sizeof(char) * (strlen(name) + 1)); + if (!ini->filename) + goto ini_openError; + strcpy (ini->filename, name); + + // Open input file + ini->mode = mode; + file = fopen (ini->filename, "rb"); + if (!file) + { // File doesn't exist and we are not allowed + // to create one + if (mode != INI_NEW) + goto ini_openError; + + // Seems we can make so new one, check and + // make sure + file = fopen (ini->filename, "wb"); + if (!file) + goto ini_openError; + ini->newfile = true; + fclose (file); + } + + // Open backup file + if (ini->mode == INI_READ) + ini->ftmp = tmpfile (); + else + { + ini->filename[length - 1] = '~'; + ini->ftmp = fopen (ini->filename, "wb+"); + ini->filename[length - 1] = name[length - 1]; + } + + if (!ini->ftmp) + goto ini_openError; + if (file) + { // Process existing ini file + if (__ini_process (ini, file) < 0) + goto ini_openError; + } + + // Rev 1.1 Added - Changed set on open bug fix + ini->changed = false; +return ini; + +ini_openError: + if (ini) + { + if (ini->ftmp) + { // Close and remove backup file + fclose (ini->ftmp); + if (ini->mode != INI_READ) + { + ini->filename[strlen (ini->filename) - 1] = '~'; + remove (ini->filename); + } + } + if (ini->filename) + free (ini->filename); + free (ini); + } + + if (file) + fclose (file); + + return 0; +} + + +/******************************************************************************************************************** + * Function : __ini_close + * Parameters : ini - pointer to ini file database. force - if true, the database will be removed from + * : memory even if an error occured in saving the new ini file. + * Returns : -1 on error, 0 on success + * Globals Used : + * Globals Modified : + * Description : Save any changes back to the new ini file. + * : The backup file contains all the orignal data + any modifcations appended at the bottom + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +int __ini_close (ini_t *ini, bool flush) +{ + FILE *file; + int ret = 0; + + // Open output file + if (ini->changed) + { + if (!ini->first) + remove(ini->filename); + else + { +#ifdef INI_ADD_LIST_SUPPORT + char *delims; + // Rev 1.1 Added - Must remove delims before saving + delims = ini->listDelims; + ini->listDelims = NULL; +#endif // INI_ADD_LIST_SUPPORT + + // Not point writing an unchanged file + file = fopen (ini->filename, "w"); + if (file) + { // Output all new headers and keys + ret = __ini_store (ini, file); + fflush (file); + fclose (file); + } + +#ifdef INI_ADD_LIST_SUPPORT + // Rev 1.1 Added - This was only a flush, so lets restore + // the old delims + ini->listDelims = delims; +#endif // INI_ADD_LIST_SUPPORT + if (!file) + return -1; + } + } + + // Check if the user dosent want the file closed. + if (!flush) + return 0; + + // Cleanup + fclose (ini->ftmp); + + if (ini->mode != INI_READ) + { // If no mods were made, delete tmp file + if (!ini->changed || ini->newfile) + { + ini->filename[strlen (ini->filename) - 1] = '~'; + remove (ini->filename); + } + } + + __ini_delete (ini); + free (ini->filename); + + if (ini->tmpSection.heading) + free (ini->tmpSection.heading); + if (ini->tmpKey.key) + free (ini->tmpKey.key); + +#ifdef INI_ADD_LIST_SUPPORT + // Rev 1.1 - Remove buffered list + if (ini->list) + free (ini->list); +#endif // INI_ADD_LIST_SUPPORT + + free (ini); + return ret; +} + + +/******************************************************************************************************************** + * Function : __ini_delete + * Parameters : ini - pointer to ini file database. + * Returns : + * Globals Used : + * Globals Modified : + * Description : Deletes the whole ini database from memory, but leaves the ini stub so the ini_close can be + * : called. + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +void __ini_delete (ini_t *ini) +{ // If already deleted, don't delete it again + if (!ini->first) + return; + + // Go through all sections deleting them + while (ini->first) + { + ini->selected = ini->first; + __ini_deleteHeading (ini); + } + +#ifdef INI_ADD_LIST_SUPPORT + // Rev 1.1 - Remove buffered list + if (ini->list) + { + free (ini->list); + ini->list = NULL; + } +#endif // INI_ADD_LIST_SUPPORT + + ini->changed = true; +} + + +/******************************************************************************************************************** + * Function : __ini_process + * Parameters : ini - pointer to ini file database, file - ini file to read heading from + * Returns : -1 on error and 0 on success + * Globals Used : buffer + * Globals Modified : buffer + * Description : Read the ini file to determine all valid sections and keys. Also stores the location of + * : the keys data for faster accessing. + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +int __ini_process (ini_t *ini, FILE *file) +{ + char *current, ch; + long pos, first, last; + size_t count; + bool inSection, findNewline, newline, isEOF; + struct key_tag *key = NULL; + char *buffer; + + if (!ini) + return -1; + if (!file) + return -1; + + // Get a read buffer + buffer = (char *) malloc (INI_BUFFER_SIZE * sizeof(char)); + if (buffer == NULL) + return -1; + + // Clear out an existing ini structure + __ini_delete (ini); + pos = 0; + first = -1; + last = -1; + findNewline = false; + newline = true; + inSection = false; + isEOF = false; + + for(;;) + { + fseek (file, pos, SEEK_SET); + current = buffer; + count = fread (buffer, sizeof(char), + INI_BUFFER_SIZE, file); + + if (count <= 0) + { + if (feof (file)) + { + count = 1; + *buffer = '\x1A'; + } + } + + while (count--) + { + ch = *current++; + switch (ch) + { + // Check for newline or end of file + case '\x1A': + isEOF = true; + // Deliberate run on + case '\n': case '\r': case '\f': + inSection = false; + newline = true; + first = -1; + last = -1; + findNewline = false; + goto __ini_processDataEnd; + + // Check for a comment + case ';': + case '#': + findNewline = true; + __ini_processDataEnd: + // Now know keys data length + if (key) + { key->length = (size_t) (pos - key->pos); + key = NULL; + } + break; + + default: + if (!findNewline) + { + switch (ch) + { + // Check for key value + case '=': + if (!inSection) + { // Make sure the key has a string content + last = pos; + if (first > 0) + { + if (!ini->selected) // Handle keys which are not in a section + { + if (!__ini_faddHeading (ini, file, 0, 0)) + goto __ini_processError; + } + + key = __ini_faddKey (ini, file, first, last - first); + if (!key) + goto __ini_processError; + } + } + + findNewline = true; + break; + + // Check for header (must start far left) + case '[': + if (newline) + { + first = pos + 1; + inSection = true; + } + else + findNewline = true; + break; + + // Check for header termination + case ']': + if (inSection) + { + last = pos; + if (first <= last) // Handle [] + { + if (!__ini_faddHeading (ini, file, first, last - first)) + goto __ini_processError; + } + } + findNewline = true; + break; + + default: + if (newline) + first = pos; + break; + } + + newline = false; + } + break; + } + + // Rev 1.1 Added - Exit of EOF + if (isEOF) + break; + + fputc (ch, ini->ftmp); + pos++; + if (!pos) + { + printf ("INI file is too large\n"); + __ini_delete (ini); + return -1; + } + } + + // Exit of EOF + if (isEOF) + break; + } + free (buffer); + return 0; + +__ini_processError: + free (buffer); + __ini_delete (ini); + return -1; +} + + +/******************************************************************************************************************** + * Function : __ini_store + * Parameters : ini - pointer to ini file database, file - ini file to read heading from + * Returns : -1 on error and 0 on success + * Globals Used : + * Globals Modified : + * Description : Writes a new ini file containing all the necessary changes + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +int __ini_store (ini_t *ini, FILE *file) +{ + struct section_tag *current_h, *selected_h; + struct key_tag *current_k, *selected_k; + char *str = NULL; + size_t length = 0, equal_pos = 0; + int ret = -1; + + if (!ini) + return -1; + if (!file) + return -1; + + // Backup selected heading and key + selected_h = ini->selected; + selected_k = selected_h->selected; + + current_h = ini->first; + while (current_h) + { + // Output section heading + if (*current_h->heading) + { + if (fprintf (file, "[%s]\n", current_h->heading) < 0) + goto __ini_storeError; + } + + // Output the sections keys + equal_pos = __ini_averageLengthKey (current_h); + current_k = current_h->first; + while (current_k) + { + if (((current_k->length + 1) > length) || !str) + { // Need more space + if (str) + free (str); + length = current_k->length + 1; + str = (char *) malloc (sizeof(char) * length); + if (!str) + goto __ini_storeError; + } + + { // Output key + char format[10]; + // Rev 1.1 Added - to support lining up of equals characters + sprintf (format, "%%-%lus=", (unsigned long) equal_pos); + if (fprintf (file, format, current_k->key) < 0) + goto __ini_storeError; + } + + // Output keys data (point to correct keys data) + ini->selected = current_h; + current_h->selected = current_k; + if (ini_readString ((ini_fd_t) ini, str, length) < 0) + goto __ini_storeError; + + if (fprintf (file, "%s\n", str) < 0) + goto __ini_storeError; + + current_k = current_k->pNext; + } + + current_h = current_h->pNext; + if (fprintf (file, "\n") < 0) + goto __ini_storeError; + } + ret = 0; + +__ini_storeError: + if (str) + free (str); + // Restore selected heading and key + ini->selected = selected_h; + ini->selected->selected = selected_k; + return ret; +} + + + +//******************************************************************************************************************** +//******************************************************************************************************************** +// User INI File Manipulation Functions +//******************************************************************************************************************** +//******************************************************************************************************************** + + +/******************************************************************************************************************** + * Function : ini_open + * Parameters : name - ini file to create + * Returns : Pointer to ini database. + * Globals Used : + * Globals Modified : + * Description : Opens an ini data file and reads it's contents into a database + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +ini_fd_t INI_LINKAGE ini_open (const char *name, const char *mode, + const char *) +{ + ini_mode_t _mode; + if (!mode) + return NULL; + // Convert mode + switch (*mode) + { + case 'r': _mode = INI_READ; break; + case 'w': _mode = INI_NEW; break; + case 'a': _mode = INI_EXIST; break; + default: return NULL; + } + return (ini_fd_t) __ini_open (name, _mode); +} + + +/******************************************************************************************************************** + * Function : ini_close + * Parameters : ini - pointer to ini file database. + * Returns : -1 on error, 0 on success + * Globals Used : + * Globals Modified : + * Description : Call close, but make sure ini object IS deleted + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +int INI_LINKAGE ini_close (ini_fd_t fd) +{ + return __ini_close ((ini_t *) fd, true); +} + + +/******************************************************************************************************************** + * Function : ini_flush + * Parameters : ini - pointer to ini file database. + * Returns : -1 on error, 0 on success + * Globals Used : + * Globals Modified : + * Description : Call close, but make sure ini object IS NOT deleted + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +int INI_LINKAGE ini_flush (ini_fd_t fd) +{ + return __ini_close ((ini_t *) fd, false); +} + + +/******************************************************************************************************************** + * Function : ini_dataLength + * Parameters : ini - pointer to ini file database. heading - heading name. key - key name + * Returns : Number of bytes to read the keys data in as a string. 1 must be added to this length + * : to cater for a NULL character. + * Globals Used : + * Globals Modified : + * Description : Number of bytes to read the keys data in as a string + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +int INI_LINKAGE ini_dataLength (ini_fd_t fd) +{ + ini_t *ini = (ini_t *) fd; + struct key_tag *_key; + if (!ini) + return -1; + + // Check to make sure a section/key has + // been asked for by the user + if (!ini->selected) + return -1; + _key = ini->selected->selected; + if (!_key) + return -1; + +#ifdef INI_ADD_LIST_SUPPORT + if (ini->listDelims) + return __ini_listIndexLength (ini); +#endif + return (int) _key->length; +} + + +/******************************************************************************************************************** + * Function : ini_delete + * Parameters : ini - pointer to ini file database. + * Returns : + * Globals Used : + * Globals Modified : + * Description : Deletes the whole ini database from memory, but leaves the ini stub so the ini_close can be + * : called. + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +extern "C" int INI_LINKAGE ini_delete (ini_fd_t fd) +{ + ini_t *ini = (ini_t *) fd; + if (!ini) + return -1; + __ini_delete (ini); + return 0; +} + + +#ifdef INI_ADD_EXTRAS + +/******************************************************************************************************************** + * Function : ini_append + * Parameters : fdsrc - pointer to src ini file database to copy from. + * : fddst - pointer to dst ini file database to copy to. + * Returns : + * Globals Used : + * Globals Modified : + * Description : Copies the contents of the src ini to the dst ini. The resulting ini contains both + * : headings and keys from each. Src keys will overwrite dst keys or similar names. + ******************************************************************************************************************** + * Rev | Date | By | Comment + * ---------------------------------------------------------------------------------------------------------------- + ********************************************************************************************************************/ +extern "C" int INI_LINKAGE ini_append (ini_fd_t fddst, ini_fd_t fdsrc) +{ + struct section_tag *current_h; + struct key_tag *current_k; + struct section_tag *src_h, *dst_h; + struct key_tag *src_k, *dst_k; + char *data = NULL; + int length = 0, ret = -1; + +#ifdef INI_ADD_LIST_SUPPORT + char *delims; +#endif + + ini_t *src = (ini_t *) fdsrc; + ini_t *dst = (ini_t *) fddst; + if (!(src && dst)) + return -1; + + // Backup selected heading and key + src_h = src->selected; + src_k = src_h->selected; + dst_h = dst->selected; + dst_k = dst_h->selected; + +#ifdef INI_ADD_LIST_SUPPORT + // Remove delims for proper reads + delims = src->listDelims; + src->listDelims = NULL; +#endif + + // Go through the src ini headings + current_h = src->first; + while (current_h) + { // Locate heading in the dst + ini_locateHeading (dst, current_h->heading); + // Go through the src keys under the heading + src->selected = current_h; + current_k = current_h->first; + while (current_k) + { // Check if data buffer can hold the key + int i = current_k->length; + current_h->selected = current_k; + if (i > length) + { // Make data buffer bigger, with some spare + length = i + 10; + if (data != NULL) + free (data); + data = (char *) malloc (sizeof (char) * length); + if (data == NULL) + goto ini_appendError; + } + // Locate key in dst ini file + ini_locateKey (dst, current_k->key); + // Copy the key from src to dst ini file + if (ini_readString (src, data, length) != i) + goto ini_appendError; + if (ini_writeString (dst, data) < 0) + goto ini_appendError; + // Move to next key + current_k = current_k->pNext; + } + // Move to next heading + current_h = current_h->pNext; + } + ret = 0; + +ini_appendError: + if (data != NULL) + free (data); + +#ifdef INI_ADD_LIST_SUPPORT + // Restore delims + src->listDelims = delims; +#endif + // Restore selected headings and keys + src->selected = src_h; + src_h->selected = src_k; + dst->selected = dst_h; + dst_h->selected = dst_k; + return ret; +} + +#endif // INI_ADD_EXTRAS + + +// Add Code Modules +// Add Header Manipulation Functions +#include "headings.i" +// Add Key Manipulation Functions +#include "keys.i" +// Add Supported Datatypes +#include "types.i" +// Add List Support +#ifdef INI_ADD_LIST_SUPPORT +# include "list.i" +#endif // INI_ADD_LIST_SUPPORT |