973 int sqlite3StrAccumEnlarge(StrAccum *p, int N){  in sqlite3StrAccumEnlarge()  argument
975   assert( p->nChar+(i64)N >= p->nAlloc ); /* Only called if really needed */  in sqlite3StrAccumEnlarge()
987     szNew += (sqlite3_int64)N + 1;  in sqlite3StrAccumEnlarge()
1017   return N;  in sqlite3StrAccumEnlarge()
1023 void sqlite3_str_appendchar(sqlite3_str *p, int N, char c){  in sqlite3_str_appendchar()  argument
1024   testcase( p->nChar + (i64)N > 0x7fffffff );  in sqlite3_str_appendchar()
1025   if( p->nChar+(i64)N >= p->nAlloc && (N = sqlite3StrAccumEnlarge(p, N))<=0 ){  in sqlite3_str_appendchar()
1028   while( (N--)>0 ) p->zText[p->nChar++] = c;  in sqlite3_str_appendchar()
1039 static void SQLITE_NOINLINE enlargeAndAppend(StrAccum *p, const char *z, int N){  in enlargeAndAppend()  argument
1040   N = sqlite3StrAccumEnlarge(p, N);  in enlargeAndAppend()
1041   if( N>0 ){  in enlargeAndAppend()
1042     memcpy(&p->zText[p->nChar], z, N);  in enlargeAndAppend()
1043     p->nChar += N;  in enlargeAndAppend()
1051 void sqlite3_str_append(sqlite3_str *p, const char *z, int N){  in sqlite3_str_append()  argument
1052   assert( z!=0 || N==0 );  in sqlite3_str_append()
1054   assert( N>=0 );  in sqlite3_str_append()
1056   if( p->nChar+N >= p->nAlloc ){  in sqlite3_str_append()
1057     enlargeAndAppend(p,z,N);  in sqlite3_str_append()
1058   }else if( N ){  in sqlite3_str_append()
1060     p->nChar += N;  in sqlite3_str_append()
1061     memcpy(&p->zText[p->nChar-N], z, N);  in sqlite3_str_append()