ref: 5bfce16c43b5f3e671a0ec1e9c6294bcc18353cf
dir: /sys/src/cmd/aux/antiword/startup.c/
/* * startup.c * Copyright (C) 1998-2001 A.J. van Os; Released under GPL * * Description: * Try to force a single startup of !Antiword */ #include <stdlib.h> #include <string.h> #include <ctype.h> #include "DeskLib:Error.h" #include "DeskLib:Event.h" #include "DeskLib:SWI.h" #include "antiword.h" #if !defined(TaskManager_EnumerateTasks) #define TaskManager_EnumerateTasks 0x042681 #endif /* TaskManager_EnumerateTasks */ /* * bIsMatch - decide whether the two strings match * * like strcmp, but this one ignores case */ static BOOL bIsMatch(const char *szStr1, const char *szStr2) { const char *pcTmp1, *pcTmp2; for (pcTmp1 = szStr1, pcTmp2 = szStr2; *pcTmp1 != '\0'; pcTmp1++, pcTmp2++) { if (toupper(*pcTmp1) != toupper(*pcTmp2)) { return FALSE; } } return *pcTmp2 == '\0'; } /* end of bIsMatch */ /* * tGetTaskHandle - get the task handle of the given task * * returns the task handle when found, otherwise 0 */ static task_handle tGetTaskHandle(const char *szTaskname) { const char *pcTmp; int iReg0, iIndex; int aiBuffer[4]; char szTmp[21]; iReg0 = 0; do { /* Get info on the next task */ Error_CheckFatal(SWI(3, 1, TaskManager_EnumerateTasks | XOS_Bit, iReg0, aiBuffer, sizeof(aiBuffer), &iReg0)); /* Copy the (control character terminated) task name */ for (iIndex = 0, pcTmp = (const char *)aiBuffer[1]; iIndex < elementsof(szTmp); iIndex++, pcTmp++) { if (iscntrl(*pcTmp)) { szTmp[iIndex] = '\0'; break; } szTmp[iIndex] = *pcTmp; } szTmp[elementsof(szTmp) - 1] = '\0'; if (bIsMatch(szTmp, szTaskname)) { /* Task found */ return (task_handle)aiBuffer[0]; } } while (iReg0 >= 0); /* Task not found */ return 0; } /* end of tGetTaskHandle */ int main(int argc, char **argv) { message_block tMsg; task_handle tTaskHandle; size_t tArgLen; int aiMessages[] = {0}; char szCommand[512]; Event_Initialise3("StartUp", 310, aiMessages); if (argc > 1) { tArgLen = strlen(argv[1]); } else { tArgLen = 0; } if (tArgLen >= sizeof(tMsg.data.dataload.filename)) { werr(1, "Input filename too long"); return EXIT_FAILURE; } tTaskHandle = tGetTaskHandle("antiword"); if (tTaskHandle == 0) { /* Antiword is not active */ strcpy(szCommand, "chain:<Antiword$Dir>.!Antiword"); if (argc > 1) { strcat(szCommand, " "); strcat(szCommand, argv[1]); } #if defined(DEBUG) strcat(szCommand, " "); strcat(szCommand, "2><Antiword$Dir>.Debug"); #endif /* DEBUG */ system(szCommand); /* If we reach here something has gone wrong */ return EXIT_FAILURE; } /* Antiword is active */ if (argc > 1) { /* * Send the argument to Antiword by imitating a * drag-and-drop to Antiword's iconbar icon */ memset(&tMsg, 0, sizeof(tMsg)); tMsg.header.size = ROUND4(offsetof(message_block, data) + offsetof(message_dataload, filename) + 1 + tArgLen); tMsg.header.yourref = 0; tMsg.header.action = message_DATALOAD; tMsg.data.dataload.window = window_ICONBAR; tMsg.data.dataload.icon = -1; tMsg.data.dataload.size = 0; tMsg.data.dataload.filetype = FILETYPE_MSWORD; strcpy(tMsg.data.dataload.filename, argv[1]); Error_CheckFatal(Wimp_SendMessage(event_SEND, &tMsg, tTaskHandle, 0)); return EXIT_SUCCESS; } else { /* Give an error message and return */ werr(1, "Antiword is already running"); return EXIT_FAILURE; } } /* end of main */