1 | typedef struct { |
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2 | PCNRITEM pci; |
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3 | PSZ pszFileName; |
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4 | BOOL bAllocated; |
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5 | } |
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6 | PCIHIST, *PPCIHIST; |
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7 | #define PciMaint(a, b) PciMaint2(a, b, pszSrcFile, __LINE__) |
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8 | void PciMaint2(PCNRITEM pci, BOOL bPciAllocation, PSZ pszSource, int iLine) |
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9 | { |
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10 | #define HIST_COUNT 1000 |
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11 | |
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12 | static HMTX hmtxPciTable = NULLHANDLE; |
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13 | static PPCIHIST pHistory = NULL; |
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14 | static USHORT usAllocations = 1; |
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15 | ULONG ulNumStructs = usAllocations * HIST_COUNT; |
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16 | UINT i, i2; |
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17 | APIRET rc; |
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18 | char szFile[CCHMAXPATH]; |
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19 | |
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20 | if (!hmtxPciTable) { |
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21 | rc = DosCreateMutexSem(NULL, &hmtxPciTable, 0L, TRUE); |
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22 | if (rc) { |
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23 | fprintf(stderr, "Unable to create pcitable mutex: %d\n", rc); |
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24 | fflush(stderr); |
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25 | return; |
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26 | } |
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27 | pHistory = xmalloc(HIST_COUNT * usAllocations * sizeof(PCIHIST), pszSrcFile, __LINE__); |
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28 | memset((void *)pHistory, 0, HIST_COUNT * sizeof(PCIHIST)); |
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29 | } else { |
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30 | rc = DosRequestMutexSem(hmtxPciTable, SEM_INDEFINITE_WAIT); |
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31 | if (rc) { |
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32 | fprintf(stderr, "Error requesting mutex: %d\n", rc); |
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33 | fflush(stderr); |
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34 | return; |
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35 | } |
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36 | } |
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37 | strcpy(szFile, ((pci->pszFileName && *pci->pszFileName) ? pci->pszFileName : "N/A")); |
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38 | fprintf(stderr, "PciMaint entry. pci: %08x New: %c Line: %d src: %s file: %s\n", |
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39 | pci, (bPciAllocation ? 'Y' : 'N'), iLine, pszSource, szFile); |
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40 | if (!pci) { |
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41 | DosReleaseMutexSem(hmtxPciTable); |
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42 | fflush(stderr); |
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43 | return; |
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44 | } |
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45 | for (i = 0; i < ulNumStructs; i++) { |
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46 | if (!pHistory[i].pci || pHistory[i].pci == pci) |
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47 | break; |
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48 | } |
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49 | if (i == ulNumStructs) { |
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50 | fprintf(stderr, "PciMaint history reallocation: %d\n", usAllocations++); |
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51 | ulNumStructs += HIST_COUNT; |
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52 | pHistory = xrealloc(pHistory, usAllocations * HIST_COUNT * sizeof(PCIHIST), pszSrcFile, __LINE__); |
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53 | usAllocations++; |
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54 | for (i2 = i; i2 < i + HIST_COUNT; i2++) { |
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55 | pHistory[i2].pci = NULL; |
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56 | } |
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57 | } |
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58 | if (bPciAllocation) { |
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59 | if (!pHistory[i].pci) { |
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60 | fprintf(stderr, "PciMaint using new slot %d\n", i); |
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61 | pHistory[i].pci = pci; |
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62 | pHistory[i].bAllocated = TRUE; |
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63 | if (pci->pszFileName && *pci->pszFileName) { |
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64 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__); |
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65 | } else { |
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66 | pHistory[i].pszFileName = NULL; |
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67 | } |
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68 | } else { |
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69 | if (pHistory[i].bAllocated) { // Error: repeat allocation w/o intervening dealloc |
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70 | strcpy(szFile, (pHistory[i].pszFileName ? pHistory[i].pszFileName : "N/A")); |
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71 | fprintf(stderr, "PciMaint error: Missed dealloc or repeat alloc for pci: %08x slot: %d prev file: %s\n", |
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72 | pci, i, szFile); |
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73 | pHistory[i].pci = pci; |
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74 | pHistory[i].bAllocated = TRUE; |
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75 | if (pHistory[i].pszFileName && (pHistory[i].pszFileName != NullStr)) free(pHistory[i].pszFileName); |
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76 | if (pci->pszFileName && *pci->pszFileName) { |
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77 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__); |
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78 | } else { |
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79 | pHistory[i].pszFileName = NULL; |
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80 | } |
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81 | } else { // OK, realloc deallocated pci |
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82 | fprintf(stderr, "PciMaint re-using slot %d\n", i); |
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83 | pHistory[i].bAllocated = TRUE; |
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84 | if (pHistory[i].pszFileName && (pHistory[i].pszFileName != NullStr)) free(pHistory[i].pszFileName); |
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85 | if (pci->pszFileName && *pci->pszFileName) { |
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86 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__); |
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87 | } else { |
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88 | pHistory[i].pszFileName = NULL; |
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89 | } |
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90 | } |
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91 | } |
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92 | } else { // Deallocation |
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93 | if (!pHistory[i].pci) { // Error: not previously allocated |
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94 | fprintf(stderr, "PCiMaint error: Missed alloc or dealloc before alloc for pci: %08x slot %d\n", pci, i); |
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95 | if (pci->pszFileName && *pci->pszFileName) { |
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96 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__); |
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97 | } else { |
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98 | pHistory[i].pszFileName = NULL; |
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99 | } |
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100 | } else { |
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101 | if (pHistory[i].bAllocated) { |
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102 | fprintf(stderr, "PciMaint deallocating slot %d\n", i); |
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103 | pHistory[i].bAllocated = FALSE; |
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104 | if (pHistory[i].pszFileName && (pHistory[i].pszFileName != NullStr)) free(pHistory[i].pszFileName); |
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105 | if (pci->pszFileName && *pci->pszFileName) { |
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106 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__); |
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107 | } else { |
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108 | pHistory[i].pszFileName = NULL; |
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109 | } |
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110 | } else { // Error: 2x free |
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111 | fprintf(stderr, "PCiMaint error: Missed alloc or repeat dealloc pci: %08x slot: %d prev. file: %s\n", pci, i); |
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112 | if (pHistory[i].pszFileName && (pHistory[i].pszFileName != NullStr)) free(pHistory[i].pszFileName); |
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113 | if (pci->pszFileName && *pci->pszFileName) { |
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114 | pHistory[i].pszFileName = xstrdup(pci->pszFileName, pszSrcFile, __LINE__); |
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115 | } else { |
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116 | pHistory[i].pszFileName = NULL; |
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117 | } |
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118 | } |
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119 | } |
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120 | } |
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121 | DosReleaseMutexSem(hmtxPciTable); |
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122 | fflush(stderr); |
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123 | return; |
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124 | } |
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125 | |
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