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// common.c |
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// |
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/**************************************************************************** |
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liblscp - LinuxSampler Control Protocol API |
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Copyright (C) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved. |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU General Public License along |
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with this program; if not, write to the Free Software Foundation, Inc., |
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*****************************************************************************/ |
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#include "common.h" |
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#include <ctype.h> |
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// Split chunk size magic: |
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// LSCP_SPLIT_CHUNK1 := 2 ^ LSCP_SPLIT_CHUNK2 |
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#define LSCP_SPLIT_CHUNK1 4 |
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#define LSCP_SPLIT_CHUNK2 2 |
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// Chunk size legal calculator. |
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#define LSCP_SPLIT_SIZE(n) ((((n) >> LSCP_SPLIT_CHUNK2) + 1) << LSCP_SPLIT_CHUNK2) |
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//------------------------------------------------------------------------- |
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// Local client request executive. |
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|
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// Result buffer internal settler. |
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void lscp_client_set_result ( lscp_client_t *pClient, char *pszResult, int iErrno ) |
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{ |
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if (pClient->pszResult) |
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free(pClient->pszResult); |
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pClient->pszResult = NULL; |
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pClient->iErrno = iErrno; |
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|
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if (pszResult) |
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pClient->pszResult = strdup(lscp_ltrim(pszResult)); |
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} |
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// The common client receiver executive. |
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lscp_status_t lscp_client_recv ( lscp_client_t *pClient, char *pchBuffer, int *pcchBuffer, int iTimeout ) |
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{ |
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fd_set fds; // File descriptor list for select(). |
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int fd, fdmax; // Maximum file descriptor number. |
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struct timeval tv; // For specifying a timeout value. |
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int iSelect; // Holds select return status. |
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lscp_status_t ret = LSCP_FAILED; |
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|
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if (pClient == NULL) |
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return ret; |
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|
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// Prepare for waiting on select... |
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fd = (int) pClient->cmd.sock; |
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FD_ZERO(&fds); |
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FD_SET((unsigned int) fd, &fds); |
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fdmax = fd; |
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// Use the timeout select feature... |
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if (iTimeout < 1) |
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iTimeout = pClient->iTimeout; |
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if (iTimeout >= 1000) { |
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tv.tv_sec = iTimeout / 1000; |
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iTimeout -= tv.tv_sec * 1000; |
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} |
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else tv.tv_sec = 0; |
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tv.tv_usec = iTimeout * 1000; |
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|
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// Wait for event... |
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iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
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if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
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// May recv now... |
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*pcchBuffer = recv(pClient->cmd.sock, pchBuffer, *pcchBuffer, 0); |
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if (*pcchBuffer > 0) |
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ret = LSCP_OK; |
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else if (*pcchBuffer < 0) |
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lscp_socket_perror("lscp_client_recv: recv"); |
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else if (*pcchBuffer == 0) { |
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// Damn, server probably disconnected, |
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// we better free everything down here. |
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lscp_socket_agent_free(&(pClient->evt)); |
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lscp_socket_agent_free(&(pClient->cmd)); |
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// Fake a result message. |
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ret = LSCP_QUIT; |
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} |
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} // Check if select has timed out. |
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else if (iSelect == 0) |
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ret = LSCP_TIMEOUT; |
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else |
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lscp_socket_perror("lscp_client_recv: select"); |
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return ret; |
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} |
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// The main client requester call executive. |
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lscp_status_t lscp_client_call ( lscp_client_t *pClient, const char *pszQuery, int iResult ) |
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{ |
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int cchQuery; |
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char achBuffer[LSCP_BUFSIZ]; |
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int cchBuffer; |
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const char *pszSeps = ":[]"; |
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char *pszBuffer; |
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char *pszToken; |
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char *pch; |
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int iErrno; |
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char *pszResult; |
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int cchResult; |
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lscp_status_t ret = LSCP_FAILED; |
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if (pClient == NULL) |
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return ret; |
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iErrno = -1; |
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cchResult = 0; |
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pszResult = NULL; |
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pszBuffer = NULL; |
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// Check if command socket socket is still valid. |
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if (pClient->cmd.sock == INVALID_SOCKET) { |
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pszResult = "Connection closed or no longer valid"; |
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lscp_client_set_result(pClient, pszResult, iErrno); |
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return ret; |
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} |
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// Check if last transaction has timed out, in which case |
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// we'll retry wait and flush for some pending garbage... |
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if (pClient->iTimeoutCount > 0) { |
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// We'll hope to get rid of timeout trouble... |
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pClient->iTimeoutCount = 0; |
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cchBuffer = sizeof(achBuffer); |
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ret = lscp_client_recv(pClient, achBuffer, &cchBuffer, pClient->iTimeout); |
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if (ret != LSCP_OK) { |
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// Things seems to be unresolved. Fake a result message. |
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iErrno = (int) ret; |
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pszResult = "Failure during flush timeout operation"; |
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lscp_client_set_result(pClient, pszResult, iErrno); |
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return ret; |
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} |
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} |
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// Send data, and then, wait for the result... |
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cchQuery = strlen(pszQuery); |
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if (send(pClient->cmd.sock, pszQuery, cchQuery, 0) < cchQuery) { |
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lscp_socket_perror("lscp_client_call: send"); |
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pszResult = "Failure during send operation"; |
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lscp_client_set_result(pClient, pszResult, iErrno); |
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return ret; |
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} |
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// Keep receiving while result is not the expected one: |
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// single-line result (iResult = 0) : one single CRLF ends the receipt; |
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// multi-line result (iResult > 0) : one "." followed by a last CRLF; |
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while (pszResult == NULL) { |
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// Wait for receive event... |
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cchBuffer = sizeof(achBuffer) - 1; |
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ret = lscp_client_recv(pClient, achBuffer, &cchBuffer, pClient->iTimeout); |
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switch (ret) { |
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case LSCP_OK: |
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// Always force the result to be null terminated. |
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achBuffer[cchBuffer] = (char) 0; |
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// Check if the response it's an error or warning message. |
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if (strncasecmp(achBuffer, "WRN:", 4) == 0) |
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ret = LSCP_WARNING; |
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else if (strncasecmp(achBuffer, "ERR:", 4) == 0) |
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ret = LSCP_ERROR; |
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// So we got a result... |
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if (ret == LSCP_OK) { |
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// Reset errno in case of success. |
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iErrno = 0; |
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// Is it a special successful response? |
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if (iResult < 1 && strncasecmp(achBuffer, "OK[", 3) == 0) { |
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// Parse the OK message, get the return string under brackets... |
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pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); |
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if (pszToken) |
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pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
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} else { |
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// It can be specially long response... |
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cchResult += sizeof(achBuffer); |
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pszResult = malloc(cchResult + 1); |
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pszResult[0] = (char) 0; |
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if (pszBuffer) { |
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strcat(pszResult, pszBuffer); |
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free(pszBuffer); |
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} |
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strcat(pszResult, achBuffer); |
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pszBuffer = pszResult; |
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pszResult = NULL; |
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// Check for correct end-of-transmission... |
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// Depending whether its single or multi-line we'll |
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// flag end-of-transmission... |
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cchBuffer = strlen(pszBuffer); |
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if (cchBuffer >= 2 |
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&& pszBuffer[cchBuffer - 1] == '\n' |
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&& pszBuffer[cchBuffer - 2] == '\r' |
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&& (iResult < 1 || (cchBuffer >= 3 |
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&& pszBuffer[cchBuffer - 3] == '.'))) { |
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// Get rid of the trailing dot and CRLF anyway... |
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while (cchBuffer > 0 && ( |
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pszBuffer[cchBuffer - 1] == '\r' || |
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pszBuffer[cchBuffer - 1] == '\n' || |
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pszBuffer[cchBuffer - 1] == '.')) |
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cchBuffer--; |
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pszBuffer[cchBuffer] = (char) 0; |
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pszResult = pszBuffer; |
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} |
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} |
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// The result string is now set to the command response, if any. |
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} else { |
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// Parse the error/warning message, skip first colon... |
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pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); |
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if (pszToken) { |
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// Get the error number... |
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pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
233 |
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if (pszToken) { |
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iErrno = atoi(pszToken); |
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// And make the message text our final result. |
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pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
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} |
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} |
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// The result string is set to the error/warning message text. |
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} |
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break; |
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case LSCP_TIMEOUT: |
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// We have trouble... |
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pClient->iTimeoutCount++; |
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// Fake a result message. |
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pszResult = "Timeout during receive operation"; |
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iErrno = (int) ret; |
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break; |
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case LSCP_QUIT: |
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// Fake a result message. |
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pszResult = "Server terminated the connection"; |
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iErrno = (int) ret; |
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break; |
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case LSCP_FAILED: |
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default: |
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// What's down? |
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pszResult = "Failure during receive operation"; |
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break; |
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} |
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} |
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// Make the result official... |
266 |
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lscp_client_set_result(pClient, pszResult, iErrno); |
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// Free long-buffer, if any... |
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if (pszBuffer) |
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free(pszBuffer); |
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return ret; |
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} |
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//------------------------------------------------------------------------- |
277 |
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// Other general utility functions. |
278 |
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capela |
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// Trimming left spaces... |
280 |
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char *lscp_ltrim ( char *psz ) |
281 |
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{ |
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capela |
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while (isspace(*psz)) |
283 |
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psz++; |
284 |
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return psz; |
285 |
capela |
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} |
286 |
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287 |
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// Unquote an in-split string. |
288 |
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char *lscp_unquote ( char **ppsz, int dup ) |
289 |
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{ |
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capela |
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char chQuote; |
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char *psz = *ppsz; |
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|
293 |
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while (isspace(*psz)) |
294 |
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++psz; |
295 |
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if (*psz == '\"' || *psz == '\'') { |
296 |
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chQuote = *psz++; |
297 |
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while (isspace(*psz)) |
298 |
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++psz; |
299 |
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if (dup) |
300 |
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psz = strdup(psz); |
301 |
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*ppsz = psz; |
302 |
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if (*ppsz) { |
303 |
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while (**ppsz && **ppsz != chQuote) |
304 |
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++(*ppsz); |
305 |
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if (**ppsz) { |
306 |
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while (isspace(*(*ppsz - 1)) && *ppsz > psz) |
307 |
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--(*ppsz); |
308 |
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*(*ppsz)++ = (char) 0; |
309 |
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} |
310 |
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} |
311 |
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} |
312 |
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else if (dup) { |
313 |
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psz = strdup(psz); |
314 |
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*ppsz = psz; |
315 |
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} |
316 |
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|
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return psz; |
318 |
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} |
319 |
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|
320 |
capela |
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// Unquote and make a duplicate of an in-split string. |
321 |
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void lscp_unquote_dup ( char **ppszDst, char **ppszSrc ) |
322 |
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{ |
323 |
capela |
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// Free desteny string, if already there. |
324 |
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if (*ppszDst) |
325 |
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free(*ppszDst); |
326 |
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*ppszDst = NULL; |
327 |
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// Unquote and duplicate. |
328 |
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if (*ppszSrc) |
329 |
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*ppszDst = lscp_unquote(ppszSrc, 1); |
330 |
capela |
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} |
331 |
capela |
103 |
|
332 |
capela |
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|
333 |
capela |
103 |
// Custom tokenizer. |
334 |
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char *lscp_strtok ( char *pchBuffer, const char *pszSeps, char **ppch ) |
335 |
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{ |
336 |
capela |
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char *pszToken; |
337 |
capela |
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|
338 |
capela |
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if (pchBuffer == NULL) |
339 |
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pchBuffer = *ppch; |
340 |
capela |
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|
341 |
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pchBuffer += strspn(pchBuffer, pszSeps); |
342 |
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if (*pchBuffer == '\0') |
343 |
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return NULL; |
344 |
capela |
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|
345 |
capela |
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pszToken = pchBuffer; |
346 |
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pchBuffer = strpbrk(pszToken, pszSeps); |
347 |
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if (pchBuffer == NULL) { |
348 |
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*ppch = strchr(pszToken, '\0'); |
349 |
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} else { |
350 |
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*pchBuffer = '\0'; |
351 |
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*ppch = pchBuffer + 1; |
352 |
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while (**ppch && strchr(pszSeps, **ppch)) |
353 |
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(*ppch)++; |
354 |
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} |
355 |
capela |
103 |
|
356 |
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952 |
return pszToken; |
357 |
capela |
103 |
} |
358 |
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|
359 |
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|
360 |
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// Split a comma separated string into a null terminated array of strings. |
361 |
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char **lscp_szsplit_create ( const char *pszCsv, const char *pszSeps ) |
362 |
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{ |
363 |
capela |
952 |
char *pszHead, *pch; |
364 |
|
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int iSize, i, j, cchSeps; |
365 |
|
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char **ppszSplit, **ppszNewSplit; |
366 |
capela |
103 |
|
367 |
capela |
952 |
// Initial size is one chunk away. |
368 |
|
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iSize = LSCP_SPLIT_CHUNK1; |
369 |
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// Allocate and split... |
370 |
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ppszSplit = (char **) malloc(iSize * sizeof(char *)); |
371 |
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if (ppszSplit == NULL) |
372 |
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return NULL; |
373 |
capela |
103 |
|
374 |
capela |
952 |
// Make a copy of the original string. |
375 |
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i = 0; |
376 |
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pszHead = (char *) pszCsv; |
377 |
|
|
if ((ppszSplit[i++] = lscp_unquote(&pszHead, 1)) == NULL) { |
378 |
|
|
free(ppszSplit); |
379 |
|
|
return NULL; |
380 |
|
|
} |
381 |
capela |
103 |
|
382 |
capela |
952 |
// Go on for it... |
383 |
|
|
cchSeps = strlen(pszSeps); |
384 |
|
|
while ((pch = strpbrk(pszHead, pszSeps)) != NULL) { |
385 |
|
|
// Pre-advance to next item. |
386 |
|
|
pszHead = pch + cchSeps; |
387 |
|
|
// Trim and null terminate current item. |
388 |
|
|
while (isspace(*(pch - 1)) && pch > ppszSplit[0]) |
389 |
|
|
--pch; |
390 |
|
|
*pch = (char) 0; |
391 |
|
|
// Make it official. |
392 |
|
|
ppszSplit[i] = lscp_unquote(&pszHead, 0); |
393 |
|
|
// Do we need to grow? |
394 |
|
|
if (++i >= iSize) { |
395 |
|
|
// Yes, but only grow in chunks. |
396 |
|
|
iSize += LSCP_SPLIT_CHUNK1; |
397 |
|
|
// Allocate and copy to new split array. |
398 |
|
|
ppszNewSplit = (char **) malloc(iSize * sizeof(char *)); |
399 |
|
|
if (ppszNewSplit) { |
400 |
|
|
for (j = 0; j < i; j++) |
401 |
|
|
ppszNewSplit[j] = ppszSplit[j]; |
402 |
|
|
free(ppszSplit); |
403 |
|
|
ppszSplit = ppszNewSplit; |
404 |
|
|
} |
405 |
|
|
} |
406 |
|
|
} |
407 |
capela |
103 |
|
408 |
capela |
952 |
// NULL terminate split array. |
409 |
|
|
for ( ; i < iSize; i++) |
410 |
|
|
ppszSplit[i] = NULL; |
411 |
capela |
103 |
|
412 |
capela |
952 |
return ppszSplit; |
413 |
capela |
103 |
} |
414 |
|
|
|
415 |
|
|
|
416 |
|
|
// Free allocated memory of a legal null terminated array of strings. |
417 |
|
|
void lscp_szsplit_destroy ( char **ppszSplit ) |
418 |
|
|
{ |
419 |
capela |
952 |
// Our split string is always the first item, if any. |
420 |
|
|
if (ppszSplit && ppszSplit[0]) |
421 |
|
|
free(ppszSplit[0]); |
422 |
|
|
// Now free the array itself. |
423 |
|
|
if (ppszSplit) |
424 |
|
|
free(ppszSplit); |
425 |
capela |
103 |
} |
426 |
|
|
|
427 |
|
|
|
428 |
|
|
#ifdef LSCP_SZSPLIT_COUNT |
429 |
|
|
|
430 |
|
|
// Return the number of items of a null terminated array of strings. |
431 |
|
|
int lscp_szsplit_count ( char **ppszSplit ) |
432 |
|
|
{ |
433 |
capela |
952 |
int i = 0; |
434 |
|
|
while (ppszSplit && ppszSplit[i]) |
435 |
|
|
i++; |
436 |
|
|
return i; |
437 |
capela |
103 |
} |
438 |
|
|
|
439 |
|
|
// Return the allocated number of items of a splitted string array. |
440 |
|
|
int lscp_szsplit_size ( char **ppszSplit ) |
441 |
|
|
{ |
442 |
capela |
952 |
return LSCP_SPLIT_SIZE(lscp_szsplit_count(ppszSplit)); |
443 |
capela |
103 |
} |
444 |
|
|
|
445 |
|
|
#endif // LSCP_SZSPLIT_COUNT |
446 |
|
|
|
447 |
|
|
|
448 |
capela |
125 |
// Split a comma separated string into a -1 terminated array of positive integers. |
449 |
|
|
int *lscp_isplit_create ( const char *pszCsv, const char *pszSeps ) |
450 |
|
|
{ |
451 |
capela |
952 |
char *pchHead, *pch; |
452 |
|
|
int iSize, i, j, cchSeps; |
453 |
|
|
int *piSplit, *piNewSplit; |
454 |
capela |
125 |
|
455 |
capela |
952 |
// Get it clean first. |
456 |
|
|
pchHead = lscp_ltrim((char *) pszCsv); |
457 |
|
|
if (*pchHead == (char) 0) |
458 |
|
|
return NULL; |
459 |
capela |
415 |
|
460 |
capela |
952 |
// Initial size is one chunk away. |
461 |
|
|
iSize = LSCP_SPLIT_CHUNK1; |
462 |
|
|
// Allocate and split... |
463 |
|
|
piSplit = (int *) malloc(iSize * sizeof(int)); |
464 |
|
|
if (piSplit == NULL) |
465 |
|
|
return NULL; |
466 |
capela |
125 |
|
467 |
capela |
952 |
// Make a copy of the original string. |
468 |
|
|
i = 0; |
469 |
|
|
if ((piSplit[i++] = atoi(pchHead)) < 0) { |
470 |
|
|
free(piSplit); |
471 |
|
|
return NULL; |
472 |
|
|
} |
473 |
capela |
125 |
|
474 |
capela |
952 |
// Go on for it... |
475 |
|
|
cchSeps = strlen(pszSeps); |
476 |
|
|
while ((pch = strpbrk(pchHead, pszSeps)) != NULL) { |
477 |
|
|
// Pre-advance to next item. |
478 |
|
|
pchHead = pch + cchSeps; |
479 |
|
|
// Make it official. |
480 |
|
|
piSplit[i] = atoi(pchHead); |
481 |
|
|
// Do we need to grow? |
482 |
|
|
if (++i >= iSize) { |
483 |
|
|
// Yes, but only grow in chunks. |
484 |
|
|
iSize += LSCP_SPLIT_CHUNK1; |
485 |
|
|
// Allocate and copy to new split array. |
486 |
|
|
piNewSplit = (int *) malloc(iSize * sizeof(int)); |
487 |
|
|
if (piNewSplit) { |
488 |
|
|
for (j = 0; j < i; j++) |
489 |
|
|
piNewSplit[j] = piSplit[j]; |
490 |
|
|
free(piSplit); |
491 |
|
|
piSplit = piNewSplit; |
492 |
|
|
} |
493 |
|
|
} |
494 |
|
|
} |
495 |
capela |
125 |
|
496 |
capela |
952 |
// NULL terminate split array. |
497 |
|
|
for ( ; i < iSize; i++) |
498 |
|
|
piSplit[i] = -1; |
499 |
capela |
125 |
|
500 |
capela |
952 |
return piSplit; |
501 |
capela |
125 |
} |
502 |
|
|
|
503 |
|
|
|
504 |
|
|
// Destroy a integer splitted array. |
505 |
|
|
void lscp_isplit_destroy ( int *piSplit ) |
506 |
|
|
{ |
507 |
capela |
952 |
if (piSplit) |
508 |
|
|
free(piSplit); |
509 |
capela |
125 |
} |
510 |
|
|
|
511 |
|
|
|
512 |
|
|
#ifdef LSCP_ISPLIT_COUNT |
513 |
|
|
|
514 |
|
|
// Compute a string list valid item count. |
515 |
|
|
int lscp_isplit_count ( int *piSplit ) |
516 |
|
|
{ |
517 |
capela |
952 |
int i = 0; |
518 |
|
|
while (piSplit && piSplit[i] >= 0) |
519 |
|
|
i++; |
520 |
|
|
return i; |
521 |
capela |
125 |
} |
522 |
|
|
|
523 |
|
|
// Compute a string list size. |
524 |
|
|
int lscp_isplit_size ( int *piSplit ) |
525 |
|
|
{ |
526 |
capela |
952 |
return LSCP_SPLIT_SIZE(lscp_isplit_count(piSplit)); |
527 |
capela |
125 |
} |
528 |
|
|
|
529 |
|
|
#endif // LSCP_ISPLIT_COUNT |
530 |
|
|
|
531 |
|
|
|
532 |
capela |
158 |
// Split a string into a null terminated array of parameter items. |
533 |
|
|
lscp_param_t *lscp_psplit_create ( const char *pszCsv, const char *pszSeps1, const char *pszSeps2 ) |
534 |
|
|
{ |
535 |
capela |
952 |
char *pszHead, *pch; |
536 |
|
|
int iSize, i, j, cchSeps1, cchSeps2; |
537 |
|
|
lscp_param_t *ppSplit, *ppNewSplit; |
538 |
capela |
158 |
|
539 |
capela |
952 |
pszHead = strdup(pszCsv); |
540 |
|
|
if (pszHead == NULL) |
541 |
|
|
return NULL; |
542 |
capela |
158 |
|
543 |
capela |
952 |
iSize = LSCP_SPLIT_CHUNK1; |
544 |
|
|
ppSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
545 |
|
|
if (ppSplit == NULL) { |
546 |
|
|
free(pszHead); |
547 |
|
|
return NULL; |
548 |
|
|
} |
549 |
capela |
158 |
|
550 |
capela |
952 |
cchSeps1 = strlen(pszSeps1); |
551 |
|
|
cchSeps2 = strlen(pszSeps2); |
552 |
capela |
158 |
|
553 |
capela |
952 |
i = 0; |
554 |
|
|
while ((pch = strpbrk(pszHead, pszSeps1)) != NULL) { |
555 |
|
|
ppSplit[i].key = pszHead; |
556 |
|
|
pszHead = pch + cchSeps1; |
557 |
|
|
*pch = (char) 0; |
558 |
|
|
ppSplit[i].value = lscp_unquote(&pszHead, 0); |
559 |
|
|
if ((pch = strpbrk(pszHead, pszSeps2)) != NULL) { |
560 |
|
|
pszHead = pch + cchSeps2; |
561 |
|
|
*pch = (char) 0; |
562 |
|
|
} |
563 |
|
|
if (++i >= iSize) { |
564 |
|
|
iSize += LSCP_SPLIT_CHUNK1; |
565 |
|
|
ppNewSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
566 |
|
|
if (ppNewSplit) { |
567 |
|
|
for (j = 0; j < i; j++) { |
568 |
|
|
ppNewSplit[j].key = ppSplit[j].key; |
569 |
|
|
ppNewSplit[j].value = ppSplit[j].value; |
570 |
|
|
} |
571 |
|
|
free(ppSplit); |
572 |
|
|
ppSplit = ppNewSplit; |
573 |
|
|
} |
574 |
|
|
} |
575 |
|
|
} |
576 |
capela |
158 |
|
577 |
capela |
952 |
if (i < 1) |
578 |
|
|
free(pszHead); |
579 |
capela |
158 |
|
580 |
capela |
952 |
for ( ; i < iSize; i++) { |
581 |
|
|
ppSplit[i].key = NULL; |
582 |
|
|
ppSplit[i].value = NULL; |
583 |
|
|
} |
584 |
capela |
158 |
|
585 |
capela |
952 |
return ppSplit; |
586 |
capela |
158 |
} |
587 |
|
|
|
588 |
|
|
|
589 |
|
|
// Destroy a parameter list array. |
590 |
|
|
void lscp_psplit_destroy ( lscp_param_t *ppSplit ) |
591 |
|
|
{ |
592 |
capela |
952 |
if (ppSplit && ppSplit[0].key) |
593 |
|
|
free(ppSplit[0].key); |
594 |
|
|
if (ppSplit) |
595 |
|
|
free(ppSplit); |
596 |
capela |
158 |
} |
597 |
|
|
|
598 |
|
|
|
599 |
|
|
#ifdef LSCP_PSPLIT_COUNT |
600 |
|
|
|
601 |
|
|
// Compute a parameter list valid item count. |
602 |
|
|
int lscp_psplit_count ( lscp_param_t *ppSplit ) |
603 |
|
|
{ |
604 |
capela |
952 |
int i = 0; |
605 |
|
|
while (ppSplit && ppSplit[i].key) |
606 |
|
|
i++; |
607 |
|
|
return i; |
608 |
capela |
158 |
} |
609 |
|
|
|
610 |
|
|
// Compute a parameter list size. |
611 |
|
|
int lscp_psplit_size ( lscp_param_t *ppSplit ) |
612 |
|
|
{ |
613 |
capela |
952 |
return LSCP_SPLIT_SIZE(lscp_psplit_count(ppSplit)); |
614 |
capela |
158 |
} |
615 |
|
|
|
616 |
|
|
#endif // LSCP_PSPLIT_COUNT |
617 |
|
|
|
618 |
|
|
|
619 |
capela |
171 |
// Allocate a parameter list, optionally copying an existing one. |
620 |
|
|
void lscp_plist_alloc (lscp_param_t **ppList) |
621 |
|
|
{ |
622 |
capela |
952 |
lscp_param_t *pParams; |
623 |
|
|
int iSize, i; |
624 |
capela |
171 |
|
625 |
capela |
952 |
if (ppList) { |
626 |
|
|
iSize = LSCP_SPLIT_CHUNK1; |
627 |
|
|
pParams = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
628 |
|
|
if (pParams) { |
629 |
|
|
for (i = 0 ; i < iSize; i++) { |
630 |
|
|
pParams[i].key = NULL; |
631 |
|
|
pParams[i].value = NULL; |
632 |
|
|
} |
633 |
|
|
} |
634 |
|
|
*ppList = pParams; |
635 |
|
|
} |
636 |
capela |
171 |
} |
637 |
|
|
|
638 |
|
|
|
639 |
|
|
// Destroy a parameter list, including all it's contents. |
640 |
|
|
void lscp_plist_free ( lscp_param_t **ppList ) |
641 |
|
|
{ |
642 |
capela |
952 |
lscp_param_t *pParams; |
643 |
|
|
int i; |
644 |
capela |
415 |
|
645 |
capela |
952 |
if (ppList) { |
646 |
|
|
if (*ppList) { |
647 |
|
|
pParams = *ppList; |
648 |
|
|
for (i = 0; pParams && pParams[i].key; i++) { |
649 |
|
|
free(pParams[i].key); |
650 |
|
|
free(pParams[i].value); |
651 |
|
|
} |
652 |
|
|
free(pParams); |
653 |
|
|
} |
654 |
|
|
*ppList = NULL; |
655 |
|
|
} |
656 |
capela |
171 |
} |
657 |
|
|
|
658 |
|
|
|
659 |
|
|
// Add an item to a parameter list, growing it as fit. |
660 |
|
|
void lscp_plist_append ( lscp_param_t **ppList, const char *pszKey, const char *pszValue ) |
661 |
|
|
{ |
662 |
capela |
952 |
lscp_param_t *pParams; |
663 |
|
|
lscp_param_t *pNewParams; |
664 |
|
|
int iSize, iNewSize; |
665 |
|
|
int i = 0; |
666 |
capela |
415 |
|
667 |
capela |
952 |
if (ppList && *ppList) { |
668 |
|
|
pParams = *ppList; |
669 |
|
|
while (pParams[i].key) { |
670 |
|
|
if (strcasecmp(pParams[i].key, pszKey) == 0) { |
671 |
|
|
if (pParams[i].value) |
672 |
|
|
free(pParams[i].value); |
673 |
|
|
pParams[i].value = strdup(pszValue); |
674 |
|
|
return; |
675 |
|
|
} |
676 |
|
|
i++; |
677 |
|
|
} |
678 |
|
|
iSize = LSCP_SPLIT_SIZE(i); |
679 |
|
|
pParams[i].key = strdup(pszKey); |
680 |
|
|
pParams[i].value = strdup(pszValue); |
681 |
|
|
if (++i >= iSize) { |
682 |
|
|
iNewSize = iSize + LSCP_SPLIT_CHUNK1; |
683 |
|
|
pNewParams = (lscp_param_t *) malloc(iNewSize * sizeof(lscp_param_t)); |
684 |
|
|
for (i = 0; i < iSize; i++) { |
685 |
|
|
pNewParams[i].key = pParams[i].key; |
686 |
|
|
pNewParams[i].value = pParams[i].value; |
687 |
|
|
} |
688 |
|
|
for ( ; i < iNewSize; i++) { |
689 |
|
|
pNewParams[i].key = NULL; |
690 |
|
|
pNewParams[i].value = NULL; |
691 |
|
|
} |
692 |
|
|
free(pParams); |
693 |
|
|
*ppList = pNewParams; |
694 |
|
|
} |
695 |
|
|
} |
696 |
capela |
171 |
} |
697 |
|
|
|
698 |
capela |
180 |
#ifdef LSCP_PLIST_COUNT |
699 |
capela |
171 |
|
700 |
|
|
// Compute a parameter list valid item count. |
701 |
|
|
int lscp_plist_count ( lscp_param_t **ppList ) |
702 |
|
|
{ |
703 |
capela |
952 |
lscp_param_t *pParams; |
704 |
|
|
int i = 0; |
705 |
|
|
if (ppList && *ppList) { |
706 |
|
|
pParams = *ppList; |
707 |
|
|
while (pParams[i].key) |
708 |
|
|
i++; |
709 |
|
|
} |
710 |
|
|
return i; |
711 |
capela |
171 |
} |
712 |
|
|
|
713 |
|
|
// Compute the legal parameter list size. |
714 |
|
|
int lscp_plist_size ( lscp_param_t **ppList ) |
715 |
|
|
{ |
716 |
capela |
952 |
return LSCP_SPLIT_SIZE(lscp_plist_count(ppList)); |
717 |
capela |
171 |
} |
718 |
|
|
|
719 |
capela |
180 |
#endif // LSCP_PLIST_COUNT |
720 |
capela |
171 |
|
721 |
|
|
|
722 |
capela |
948 |
// Split a string into an array of MIDI instrument triplets. |
723 |
|
|
lscp_midi_instrument_t *lscp_midi_instruments_create ( const char *pszCsv ) |
724 |
|
|
{ |
725 |
capela |
952 |
char *pchHead, *pch; |
726 |
|
|
int iSize, i, j, k; |
727 |
|
|
lscp_midi_instrument_t *pInstrs; |
728 |
|
|
lscp_midi_instrument_t *pNewInstrs; |
729 |
|
|
|
730 |
|
|
// Get it clean first. |
731 |
|
|
pchHead = lscp_ltrim((char *) pszCsv); |
732 |
|
|
if (*pchHead == (char) 0) |
733 |
|
|
return NULL; |
734 |
|
|
|
735 |
|
|
// Initial size is one chunk away. |
736 |
|
|
iSize = LSCP_SPLIT_CHUNK1; |
737 |
|
|
// Allocate and split... |
738 |
|
|
pInstrs = (lscp_midi_instrument_t *) malloc(iSize * sizeof(lscp_midi_instrument_t)); |
739 |
|
|
if (pInstrs == NULL) |
740 |
|
|
return NULL; |
741 |
|
|
|
742 |
|
|
// Go on for it... |
743 |
|
|
i = 0; |
744 |
|
|
k = 0; |
745 |
|
|
|
746 |
|
|
while ((pch = strpbrk(pchHead, "{,}")) != NULL) { |
747 |
|
|
// Pre-advance to next item. |
748 |
|
|
switch (*pch) { |
749 |
|
|
case '{': |
750 |
|
|
pchHead = pch + 1; |
751 |
|
|
if (k == 0) { |
752 |
|
|
pInstrs[i].bank_msb = atoi(pchHead); |
753 |
|
|
k++; |
754 |
|
|
} |
755 |
|
|
break; |
756 |
|
|
case ',': |
757 |
|
|
pchHead = pch + 1; |
758 |
|
|
if (k == 1) { |
759 |
|
|
pInstrs[i].bank_lsb = atoi(pchHead); |
760 |
|
|
k++; |
761 |
|
|
} |
762 |
|
|
else |
763 |
|
|
if (k == 2) { |
764 |
|
|
pInstrs[i].program = atoi(pchHead); |
765 |
|
|
k++; |
766 |
|
|
} |
767 |
|
|
break; |
768 |
|
|
case '}': |
769 |
|
|
pchHead = pch + 1; |
770 |
|
|
k = 0; |
771 |
|
|
break; |
772 |
|
|
} |
773 |
|
|
// Do we need to grow? |
774 |
|
|
if (k == 3 && ++i >= iSize) { |
775 |
|
|
// Yes, but only grow in chunks. |
776 |
|
|
iSize += LSCP_SPLIT_CHUNK1; |
777 |
|
|
// Allocate and copy to new split array. |
778 |
|
|
pNewInstrs = (lscp_midi_instrument_t *) malloc(iSize * sizeof(lscp_midi_instrument_t)); |
779 |
|
|
if (pNewInstrs) { |
780 |
|
|
for (j = 0; j < i; j++) { |
781 |
|
|
pNewInstrs[j].bank_msb = pInstrs[j].bank_msb; |
782 |
|
|
pNewInstrs[j].bank_lsb = pInstrs[j].bank_lsb; |
783 |
|
|
pNewInstrs[j].program = pInstrs[j].program; |
784 |
|
|
} |
785 |
|
|
free(pInstrs); |
786 |
|
|
pInstrs = pNewInstrs; |
787 |
|
|
} |
788 |
|
|
} |
789 |
|
|
} |
790 |
|
|
|
791 |
|
|
// Special terminate split array. |
792 |
|
|
for ( ; i < iSize; i++) { |
793 |
|
|
pInstrs[i].bank_msb = -1; |
794 |
|
|
pInstrs[i].bank_lsb = -1; |
795 |
|
|
pInstrs[i].program = -1; |
796 |
|
|
} |
797 |
|
|
|
798 |
|
|
return pInstrs; |
799 |
capela |
948 |
} |
800 |
|
|
|
801 |
|
|
// Destroy a MIDI instrument triplet array. |
802 |
|
|
void lscp_midi_instruments_destroy ( lscp_midi_instrument_t *pInstrs ) |
803 |
|
|
{ |
804 |
capela |
952 |
if (pInstrs) |
805 |
|
|
free(pInstrs); |
806 |
capela |
948 |
} |
807 |
|
|
|
808 |
|
|
#ifdef LSCP_MIDI_INSTRUMENTS_COUNT |
809 |
|
|
|
810 |
|
|
// Compute a MIDI instrument array item count. |
811 |
|
|
int lscp_midi_instruments_count ( lscp_midi_instrument_t *pInstrs ) |
812 |
|
|
{ |
813 |
capela |
952 |
int i = 0; |
814 |
|
|
while (pInstrs && pInstrs[i].program >= 0) |
815 |
|
|
i++; |
816 |
|
|
return i; |
817 |
capela |
948 |
} |
818 |
|
|
|
819 |
|
|
// Compute a MIDI instrument array size. |
820 |
|
|
int lscp_midi_instruments_size ( lscp_midi_instrument_t *pInstrs ) |
821 |
|
|
{ |
822 |
capela |
952 |
return LSCP_SPLIT_SIZE(lscp_midi_instruments_count(pInstrs)); |
823 |
capela |
948 |
} |
824 |
|
|
|
825 |
|
|
#endif // LSCP_MIDI_INSTRUMENTS_COUNT |
826 |
|
|
|
827 |
|
|
|
828 |
capela |
103 |
//------------------------------------------------------------------------- |
829 |
capela |
564 |
// Server info struct helper functions. |
830 |
|
|
|
831 |
|
|
void lscp_server_info_init ( lscp_server_info_t *pServerInfo ) |
832 |
|
|
{ |
833 |
capela |
952 |
pServerInfo->description = NULL; |
834 |
|
|
pServerInfo->version = NULL; |
835 |
capela |
564 |
} |
836 |
|
|
|
837 |
|
|
void lscp_server_info_free ( lscp_server_info_t *pServerInfo ) |
838 |
|
|
{ |
839 |
capela |
952 |
if (pServerInfo->description) |
840 |
|
|
free(pServerInfo->description); |
841 |
|
|
if (pServerInfo->version) |
842 |
|
|
free(pServerInfo->version); |
843 |
capela |
564 |
} |
844 |
|
|
|
845 |
|
|
void lscp_server_info_reset ( lscp_server_info_t *pServerInfo ) |
846 |
|
|
{ |
847 |
capela |
952 |
lscp_server_info_free(pServerInfo); |
848 |
|
|
lscp_server_info_init(pServerInfo); |
849 |
capela |
564 |
} |
850 |
|
|
|
851 |
|
|
|
852 |
|
|
//------------------------------------------------------------------------- |
853 |
capela |
103 |
// Engine info struct helper functions. |
854 |
|
|
|
855 |
|
|
void lscp_engine_info_init ( lscp_engine_info_t *pEngineInfo ) |
856 |
|
|
{ |
857 |
capela |
952 |
pEngineInfo->description = NULL; |
858 |
|
|
pEngineInfo->version = NULL; |
859 |
capela |
103 |
} |
860 |
|
|
|
861 |
capela |
179 |
void lscp_engine_info_free ( lscp_engine_info_t *pEngineInfo ) |
862 |
capela |
103 |
{ |
863 |
capela |
952 |
if (pEngineInfo->description) |
864 |
|
|
free(pEngineInfo->description); |
865 |
|
|
if (pEngineInfo->version) |
866 |
|
|
free(pEngineInfo->version); |
867 |
capela |
179 |
} |
868 |
capela |
103 |
|
869 |
capela |
179 |
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
870 |
|
|
{ |
871 |
capela |
952 |
lscp_engine_info_free(pEngineInfo); |
872 |
|
|
lscp_engine_info_init(pEngineInfo); |
873 |
capela |
103 |
} |
874 |
|
|
|
875 |
|
|
|
876 |
|
|
//------------------------------------------------------------------------- |
877 |
|
|
// Channel info struct helper functions. |
878 |
|
|
|
879 |
|
|
void lscp_channel_info_init ( lscp_channel_info_t *pChannelInfo ) |
880 |
|
|
{ |
881 |
capela |
952 |
pChannelInfo->engine_name = NULL; |
882 |
|
|
pChannelInfo->audio_device = 0; |
883 |
|
|
pChannelInfo->audio_channels = 0; |
884 |
|
|
pChannelInfo->audio_routing = NULL; |
885 |
|
|
pChannelInfo->instrument_file = NULL; |
886 |
|
|
pChannelInfo->instrument_nr = 0; |
887 |
|
|
pChannelInfo->instrument_name = NULL; |
888 |
|
|
pChannelInfo->instrument_status = 0; |
889 |
|
|
pChannelInfo->midi_device = 0; |
890 |
|
|
pChannelInfo->midi_port = 0; |
891 |
|
|
pChannelInfo->midi_channel = 0; |
892 |
|
|
pChannelInfo->volume = 0.0; |
893 |
|
|
pChannelInfo->mute = 0; |
894 |
|
|
pChannelInfo->solo = 0; |
895 |
capela |
103 |
} |
896 |
|
|
|
897 |
capela |
179 |
void lscp_channel_info_free ( lscp_channel_info_t *pChannelInfo ) |
898 |
capela |
103 |
{ |
899 |
capela |
952 |
if (pChannelInfo->engine_name) |
900 |
|
|
free(pChannelInfo->engine_name); |
901 |
|
|
if (pChannelInfo->audio_routing) |
902 |
|
|
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
903 |
|
|
if (pChannelInfo->instrument_file) |
904 |
|
|
free(pChannelInfo->instrument_file); |
905 |
|
|
if (pChannelInfo->instrument_name) |
906 |
|
|
free(pChannelInfo->instrument_name); |
907 |
capela |
179 |
} |
908 |
capela |
103 |
|
909 |
capela |
179 |
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
910 |
|
|
{ |
911 |
capela |
952 |
lscp_channel_info_free(pChannelInfo); |
912 |
|
|
lscp_channel_info_init(pChannelInfo); |
913 |
capela |
103 |
} |
914 |
|
|
|
915 |
|
|
|
916 |
|
|
//------------------------------------------------------------------------- |
917 |
|
|
// Driver info struct functions. |
918 |
|
|
|
919 |
|
|
void lscp_driver_info_init ( lscp_driver_info_t *pDriverInfo ) |
920 |
|
|
{ |
921 |
capela |
952 |
pDriverInfo->description = NULL; |
922 |
|
|
pDriverInfo->version = NULL; |
923 |
|
|
pDriverInfo->parameters = NULL; |
924 |
capela |
103 |
} |
925 |
|
|
|
926 |
capela |
179 |
void lscp_driver_info_free ( lscp_driver_info_t *pDriverInfo ) |
927 |
capela |
103 |
{ |
928 |
capela |
952 |
if (pDriverInfo->description) |
929 |
|
|
free(pDriverInfo->description); |
930 |
|
|
if (pDriverInfo->version) |
931 |
|
|
free(pDriverInfo->version); |
932 |
|
|
lscp_szsplit_destroy(pDriverInfo->parameters); |
933 |
capela |
179 |
} |
934 |
capela |
103 |
|
935 |
capela |
179 |
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
936 |
|
|
{ |
937 |
capela |
952 |
lscp_driver_info_free(pDriverInfo); |
938 |
|
|
lscp_driver_info_init(pDriverInfo); |
939 |
capela |
103 |
} |
940 |
|
|
|
941 |
|
|
|
942 |
capela |
163 |
//------------------------------------------------------------------------- |
943 |
capela |
171 |
// Device info struct functions. |
944 |
|
|
|
945 |
|
|
void lscp_device_info_init ( lscp_device_info_t *pDeviceInfo ) |
946 |
|
|
{ |
947 |
capela |
952 |
pDeviceInfo->driver = NULL; |
948 |
|
|
lscp_plist_alloc(&(pDeviceInfo->params)); |
949 |
capela |
171 |
} |
950 |
|
|
|
951 |
capela |
179 |
void lscp_device_info_free ( lscp_device_info_t *pDeviceInfo ) |
952 |
capela |
171 |
{ |
953 |
capela |
952 |
if (pDeviceInfo->driver) |
954 |
|
|
free(pDeviceInfo->driver); |
955 |
|
|
lscp_plist_free(&(pDeviceInfo->params)); |
956 |
capela |
179 |
} |
957 |
capela |
171 |
|
958 |
capela |
179 |
void lscp_device_info_reset ( lscp_device_info_t *pDeviceInfo ) |
959 |
|
|
{ |
960 |
capela |
952 |
lscp_device_info_free(pDeviceInfo); |
961 |
|
|
lscp_device_info_init(pDeviceInfo); |
962 |
capela |
171 |
} |
963 |
|
|
|
964 |
|
|
|
965 |
|
|
//------------------------------------------------------------------------- |
966 |
|
|
// Device channel/port info struct functions. |
967 |
|
|
|
968 |
|
|
void lscp_device_port_info_init ( lscp_device_port_info_t *pDevicePortInfo ) |
969 |
|
|
{ |
970 |
capela |
952 |
pDevicePortInfo->name = NULL; |
971 |
|
|
lscp_plist_alloc(&(pDevicePortInfo->params)); |
972 |
capela |
171 |
} |
973 |
|
|
|
974 |
capela |
179 |
void lscp_device_port_info_free ( lscp_device_port_info_t *pDevicePortInfo ) |
975 |
capela |
171 |
{ |
976 |
capela |
952 |
if (pDevicePortInfo->name) |
977 |
|
|
free(pDevicePortInfo->name); |
978 |
|
|
lscp_plist_free(&(pDevicePortInfo->params)); |
979 |
capela |
179 |
} |
980 |
capela |
171 |
|
981 |
capela |
179 |
void lscp_device_port_info_reset ( lscp_device_port_info_t *pDevicePortInfo ) |
982 |
|
|
{ |
983 |
capela |
952 |
lscp_device_port_info_free(pDevicePortInfo); |
984 |
|
|
lscp_device_port_info_init(pDevicePortInfo); |
985 |
capela |
171 |
} |
986 |
|
|
|
987 |
|
|
|
988 |
|
|
//------------------------------------------------------------------------- |
989 |
capela |
163 |
// Parameter struct helper functions. |
990 |
|
|
|
991 |
|
|
void lscp_param_info_init ( lscp_param_info_t *pParamInfo ) |
992 |
|
|
{ |
993 |
capela |
952 |
pParamInfo->type = LSCP_TYPE_NONE; |
994 |
|
|
pParamInfo->description = NULL; |
995 |
|
|
pParamInfo->mandatory = 0; |
996 |
|
|
pParamInfo->fix = 0; |
997 |
|
|
pParamInfo->multiplicity = 0; |
998 |
|
|
pParamInfo->depends = NULL; |
999 |
|
|
pParamInfo->defaultv = NULL; |
1000 |
|
|
pParamInfo->range_min = NULL; |
1001 |
|
|
pParamInfo->range_max = NULL; |
1002 |
|
|
pParamInfo->possibilities = NULL; |
1003 |
capela |
163 |
} |
1004 |
|
|
|
1005 |
capela |
179 |
void lscp_param_info_free ( lscp_param_info_t *pParamInfo ) |
1006 |
capela |
163 |
{ |
1007 |
capela |
952 |
if (pParamInfo->description) |
1008 |
|
|
free(pParamInfo->description); |
1009 |
|
|
lscp_szsplit_destroy(pParamInfo->depends); |
1010 |
|
|
if (pParamInfo->defaultv) |
1011 |
|
|
free(pParamInfo->defaultv); |
1012 |
|
|
if (pParamInfo->range_min) |
1013 |
|
|
free(pParamInfo->range_min); |
1014 |
|
|
if (pParamInfo->range_max) |
1015 |
|
|
free(pParamInfo->range_max); |
1016 |
|
|
lscp_szsplit_destroy(pParamInfo->possibilities); |
1017 |
capela |
179 |
} |
1018 |
|
|
|
1019 |
|
|
void lscp_param_info_reset ( lscp_param_info_t *pParamInfo ) |
1020 |
|
|
{ |
1021 |
capela |
952 |
lscp_param_info_free(pParamInfo); |
1022 |
|
|
lscp_param_info_init(pParamInfo); |
1023 |
capela |
163 |
} |
1024 |
|
|
|
1025 |
|
|
|
1026 |
|
|
//------------------------------------------------------------------------- |
1027 |
capela |
171 |
// Concatenate a parameter list (key='value'...) into a string, |
1028 |
|
|
// appending a crlf terminator. |
1029 |
capela |
163 |
|
1030 |
|
|
int lscp_param_concat ( char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams ) |
1031 |
|
|
{ |
1032 |
capela |
952 |
int cchBuffer, cchParam, i; |
1033 |
capela |
163 |
|
1034 |
capela |
952 |
if (pszBuffer == NULL) |
1035 |
|
|
return 0; |
1036 |
capela |
163 |
|
1037 |
capela |
952 |
cchBuffer = strlen(pszBuffer); |
1038 |
|
|
for (i = 0; pParams && pParams[i].key && pParams[i].value; i++) { |
1039 |
|
|
cchParam = strlen(pParams[i].key) + strlen(pParams[i].value) + 4; |
1040 |
|
|
if (cchBuffer + cchParam + 2 < cchMaxBuffer) { |
1041 |
|
|
sprintf(pszBuffer + cchBuffer, " %s='%s'", pParams[i].key, pParams[i].value); |
1042 |
|
|
cchBuffer += cchParam; |
1043 |
|
|
} |
1044 |
|
|
} |
1045 |
|
|
|
1046 |
|
|
if (cchBuffer + 2 < cchMaxBuffer) { |
1047 |
|
|
pszBuffer[cchBuffer++] = '\r'; |
1048 |
|
|
pszBuffer[cchBuffer++] = '\n'; |
1049 |
|
|
pszBuffer[cchBuffer ] = (char) 0; |
1050 |
|
|
} |
1051 |
|
|
|
1052 |
|
|
return cchBuffer; |
1053 |
capela |
163 |
} |
1054 |
|
|
|
1055 |
|
|
|
1056 |
capela |
946 |
//------------------------------------------------------------------------- |
1057 |
|
|
// MIDI instrument info struct helper functions. |
1058 |
|
|
|
1059 |
|
|
void lscp_midi_instrument_info_init ( lscp_midi_instrument_info_t *pInstrInfo ) |
1060 |
|
|
{ |
1061 |
capela |
952 |
pInstrInfo->name = NULL; |
1062 |
|
|
pInstrInfo->engine_name = NULL; |
1063 |
|
|
pInstrInfo->instrument_file = NULL; |
1064 |
|
|
pInstrInfo->instrument_nr = 0; |
1065 |
|
|
pInstrInfo->instrument_name = NULL; |
1066 |
|
|
pInstrInfo->load_mode = LSCP_LOAD_DEFAULT; |
1067 |
|
|
pInstrInfo->volume = 0.0; |
1068 |
capela |
946 |
} |
1069 |
|
|
|
1070 |
|
|
void lscp_midi_instrument_info_free ( lscp_midi_instrument_info_t *pInstrInfo ) |
1071 |
|
|
{ |
1072 |
capela |
952 |
if (pInstrInfo->name) |
1073 |
|
|
free(pInstrInfo->name); |
1074 |
|
|
if (pInstrInfo->engine_name) |
1075 |
|
|
free(pInstrInfo->engine_name); |
1076 |
|
|
if (pInstrInfo->instrument_file) |
1077 |
|
|
free(pInstrInfo->instrument_file); |
1078 |
|
|
if (pInstrInfo->instrument_name) |
1079 |
|
|
free(pInstrInfo->instrument_name); |
1080 |
capela |
946 |
} |
1081 |
|
|
|
1082 |
|
|
void lscp_midi_instrument_info_reset ( lscp_midi_instrument_info_t *pInstrInfo ) |
1083 |
|
|
{ |
1084 |
capela |
952 |
lscp_midi_instrument_info_free(pInstrInfo); |
1085 |
|
|
lscp_midi_instrument_info_init(pInstrInfo); |
1086 |
capela |
946 |
} |
1087 |
|
|
|
1088 |
|
|
|
1089 |
capela |
103 |
// end of common.c |