libcm is a C development framework with an emphasis on audio signal processing applications.
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cmErr.c 3.3KB

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  1. #include "cmPrefix.h"
  2. #include "cmGlobal.h"
  3. #include "cmRpt.h"
  4. #include "cmErr.h"
  5. void cmErrSetup( cmErr_t* err, cmRpt_t* rpt, const cmChar_t* label )
  6. {
  7. err->rpt = rpt;
  8. err->label = label;
  9. err->rc = cmOkRC;
  10. }
  11. void cmErrClone( cmErr_t* dstErr, const cmErr_t* srcErr )
  12. { memcpy(dstErr,srcErr,sizeof(*dstErr)); }
  13. void _cmErrVMsg(cmErr_t* err, bool warnFl, cmRC_t rc, const cmChar_t* fmt, va_list vl )
  14. {
  15. if( err->rpt == NULL )
  16. return;
  17. const cmChar_t* hdrFmt = warnFl ? "%s warning: " : "%s error: ";
  18. const cmChar_t* codeFmt = " (RC:%i)";
  19. int n0 = snprintf( NULL,0,hdrFmt,cmStringNullGuard(err->label));
  20. int n1 = vsnprintf(NULL,0,fmt,vl);
  21. int n2 = snprintf( NULL,0,codeFmt,rc);
  22. int n = n0+n1+n2+1;
  23. cmChar_t s[n];
  24. n0 = snprintf(s,n,hdrFmt,cmStringNullGuard(err->label));
  25. n0 += vsnprintf(s+n0,n-n0,fmt,vl);
  26. n0 += snprintf(s+n0,n-n0,codeFmt,rc);
  27. assert(n0 <= n );
  28. cmRptErrorf(err->rpt,"%s\n",s);
  29. }
  30. void _cmErrMsg( cmErr_t* err, bool warnFl, cmRC_t rc, const cmChar_t* fmt, ... )
  31. {
  32. va_list vl;
  33. va_start(vl,fmt);
  34. _cmErrVMsg(err,warnFl,rc,fmt,vl);
  35. va_end(vl);
  36. }
  37. cmRC_t cmErrVMsg(cmErr_t* err, cmRC_t rc, const cmChar_t* fmt, va_list vl )
  38. {
  39. cmErrSetRC(err,rc);
  40. _cmErrVMsg(err,false,rc,fmt,vl);
  41. return rc;
  42. }
  43. cmRC_t cmErrMsg( cmErr_t* err, cmRC_t rc, const cmChar_t* fmt, ... )
  44. {
  45. va_list vl;
  46. va_start(vl,fmt);
  47. rc = cmErrVMsg(err,rc,fmt,vl);
  48. va_end(vl);
  49. return rc;
  50. }
  51. void _cmErrSysVMsg(cmErr_t* err, bool warnFl, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, va_list vl )
  52. {
  53. const char* sysFmt = "\n System Error: (code:%i) %s.";
  54. int n0 = snprintf(NULL,0,sysFmt,sysErrCode,strerror(sysErrCode));
  55. int n1 = vsnprintf(NULL,0,fmt,vl);
  56. int n = n0 + n1 + 1;
  57. cmChar_t s[n0+n1+1];
  58. n0 = snprintf(s,n,sysFmt,sysErrCode,strerror(sysErrCode));
  59. n0 += vsnprintf(s+n0,n-n0,fmt,vl);
  60. assert( n0 <= n );
  61. _cmErrMsg(err,warnFl,rc,s);
  62. }
  63. cmRC_t cmErrVSysMsg(cmErr_t* err, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, va_list vl )
  64. {
  65. cmErrSetRC(err,rc);
  66. _cmErrSysVMsg(err,false,rc,sysErrCode,fmt,vl);
  67. return rc;
  68. }
  69. cmRC_t cmErrSysMsg( cmErr_t* err, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, ... )
  70. {
  71. va_list vl;
  72. va_start(vl,fmt);
  73. rc = cmErrVSysMsg(err,rc,sysErrCode,fmt,vl);
  74. va_end(vl);
  75. return rc;
  76. }
  77. cmRC_t cmErrWarnVMsg(cmErr_t* err, cmRC_t rc, const cmChar_t* fmt, va_list vl )
  78. {
  79. _cmErrVMsg(err,true,rc,fmt,vl);
  80. err->warnRC = rc;
  81. return rc;
  82. }
  83. cmRC_t cmErrWarnMsg( cmErr_t* err, cmRC_t rc, const cmChar_t* fmt, ... )
  84. {
  85. va_list vl;
  86. va_start(vl,fmt);
  87. rc = cmErrWarnVMsg(err,rc,fmt,vl);
  88. va_end(vl);
  89. return rc;
  90. }
  91. cmRC_t cmErrWarnVSysMsg(cmErr_t* err, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, va_list vl )
  92. {
  93. _cmErrSysVMsg(err,true,rc,sysErrCode,fmt,vl);
  94. err->warnRC = rc;
  95. return rc;
  96. }
  97. cmRC_t cmErrWarnSysMsg( cmErr_t* err, cmRC_t rc, cmSysErrCode_t sysErrCode, const cmChar_t* fmt, ... )
  98. {
  99. va_list vl;
  100. va_start(vl,fmt);
  101. rc = cmErrWarnVSysMsg(err,rc,sysErrCode,fmt,vl);
  102. va_end(vl);
  103. return rc;
  104. }
  105. cmRC_t cmErrLastRC( cmErr_t* err )
  106. { return err->rc; }
  107. cmRC_t cmErrSetRC( cmErr_t* err, cmRC_t rc )
  108. {
  109. cmRC_t retVal = err->rc;
  110. err->rc = rc;
  111. return retVal;
  112. }
  113. cmRC_t cmErrClearRC( cmErr_t* err )
  114. { return cmErrSetRC(err,cmOkRC); }