1 /* 2 * Changes: 3 * Mar 07, 2010: Created (Cristiano Giuffrida) 4 */ 5 6 #include "inc.h" 7 8 /* A single error entry. */ 9 struct errentry { 10 int errnum; 11 char* errstr; 12 }; 13 14 /* Initialization errors. */ 15 static struct errentry init_errlist[] = { 16 { ENOSYS, "service does not support the requested initialization type" }, 17 { ERESTART, "service requested an initialization reset" } 18 }; 19 static const int init_nerr = sizeof(init_errlist) / sizeof(init_errlist[0]); 20 21 /* Live update errors. */ 22 static struct errentry lu_errlist[] = { 23 { ENOSYS, "service does not support live update" }, 24 { EINVAL, "service does not support the required state" }, 25 { EBUSY, "service is not able to prepare for the update now" }, 26 { EGENERIC, "generic error occurred while preparing for the update" } 27 }; 28 static const int lu_nerr = sizeof(lu_errlist) / sizeof(lu_errlist[0]); 29 30 /*===========================================================================* 31 * rs_strerror * 32 *===========================================================================*/ 33 static char * rs_strerror(int errnum, struct errentry *errlist, const int nerr) 34 { 35 int i; 36 37 for(i=0; i < nerr; i++) { 38 if(errnum == errlist[i].errnum) 39 return errlist[i].errstr; 40 } 41 42 return strerror(-errnum); 43 } 44 45 /*===========================================================================* 46 * init_strerror * 47 *===========================================================================*/ 48 char * init_strerror(int errnum) 49 { 50 return rs_strerror(errnum, init_errlist, init_nerr); 51 } 52 53 /*===========================================================================* 54 * lu_strerror * 55 *===========================================================================*/ 56 char * lu_strerror(int errnum) 57 { 58 return rs_strerror(errnum, lu_errlist, lu_nerr); 59 } 60