ea62eb1bc9
Use the size of the struct instead of checking a pointer that is never NULL... git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19935 a95241bf-73f2-0310-859d-f6bbb57e9c96
89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/*
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* Copyright 2006, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Jérôme Duval
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*/
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#include <stdio.h>
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static void
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get_class_info(uint8 pci_class_base_id, uint8 pci_class_sub_id, uint8 pci_class_api_id, char *classInfo, size_t size)
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{
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if (pci_class_base_id == 0x80)
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snprintf(classInfo, size, " (Other)");
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else {
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PCI_CLASSCODETABLE *foundItem = NULL;
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int i;
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for (i = 0; i < (int)PCI_CLASSCODETABLE_LEN; i++) {
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if ((pci_class_base_id == PciClassCodeTable[i].BaseClass)
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&& (pci_class_sub_id == PciClassCodeTable[i].SubClass)) {
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foundItem = &PciClassCodeTable[i];
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if (pci_class_api_id == PciClassCodeTable[i].ProgIf)
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break;
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}
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}
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if (foundItem) {
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if (pci_class_sub_id != 0x80)
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snprintf(classInfo, size, "%s (%s%s%s)", foundItem->BaseDesc, foundItem->SubDesc,
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(foundItem->ProgDesc && strcmp("", foundItem->ProgDesc)) ? ", " : "", foundItem->ProgDesc);
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else
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snprintf(classInfo, size, "%s", foundItem->BaseDesc);
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} else
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snprintf(classInfo, size, "%s (%u:%u:%u)", "(Unknown)",
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pci_class_base_id, pci_class_sub_id, pci_class_api_id);
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}
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}
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static void
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get_vendor_info(uint16 vendorID, const char **venShort, const char **venFull)
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{
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int i;
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for (i = 0; i < (int)PCI_VENTABLE_LEN; i++) {
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if (PciVenTable[i].VenId == vendorID) {
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if (PciVenTable[i].VenShort && PciVenTable[i].VenFull
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&& 0 == strcmp(PciVenTable[i].VenShort, PciVenTable[i].VenFull)) {
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*venShort = PciVenTable[i].VenShort[0] ? PciVenTable[i].VenShort : NULL;
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*venFull = NULL;
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} else {
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*venShort = PciVenTable[i].VenShort && PciVenTable[i].VenShort[0] ? PciVenTable[i].VenShort : NULL;
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*venFull = PciVenTable[i].VenFull && PciVenTable[i].VenFull[0] ? PciVenTable[i].VenFull : NULL;
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}
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return;
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}
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}
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*venShort = NULL;
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*venFull = NULL;
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}
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static void
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get_device_info(uint16 vendorID, uint16 deviceID,
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uint16 subvendorID, uint16 subsystemID, const char **devShort, const char **devFull)
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{
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int i;
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*devShort = NULL;
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*devFull = NULL;
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// search for the device
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for (i = 0; i < (int)PCI_DEVTABLE_LEN; i++) {
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if (PciDevTable[i].VenId == vendorID && PciDevTable[i].DevId == deviceID ) {
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*devShort = PciDevTable[i].Chip && PciDevTable[i].Chip[0] ? PciDevTable[i].Chip : NULL;
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*devFull = PciDevTable[i].ChipDesc && PciDevTable[i].ChipDesc[0] ? PciDevTable[i].ChipDesc : NULL;
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break;
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}
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}
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// search for the subsystem eventually
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for (; i < (int)PCI_DEVTABLE_LEN; i++) {
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if (PciDevTable[i].VenId != vendorID || PciDevTable[i].DevId != deviceID)
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break;
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if (PciDevTable[i].SubVenId == subvendorID && PciDevTable[i].SubDevId == subsystemID ) {
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*devShort = PciDevTable[i].Chip && PciDevTable[i].Chip[0] ? PciDevTable[i].Chip : NULL;
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*devFull = PciDevTable[i].ChipDesc && PciDevTable[i].ChipDesc[0] ? PciDevTable[i].ChipDesc : NULL;
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break;
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}
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}
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}
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