/* testarray.c - to test compile warnings/errors */ /* "warning: passing arg1 from incompatible type" */ /* - by Owen Townsend, UV Software, Aug 25/2008 */ /* - original program was 20,000 lines (uvcopy.c) */ /* so I wrote this small test program to experiment*/ /* I was trying to pass a char ptr to a function which expects an array ptr*/ /* I was getting warning "passing arg1 from incompatible pointer type" */ /* note - program works OK, but I would like to eliminate the warning msg */ /* - I tried cast (char[][100]) but get "error: cast specifies array type" */ /* This test program written to investigate problem */ /* - here are warnings/errors from this test program */ /* 34: warning: passing arg1 of 'wordsep1' from incompatible pointer type*/ /* 36: error: cast specifies array type */ /* 38: error: cast specifies array type */ /* 40: warning: passing arg1 of 'wordsep1' from incompatible pointer type*/ char line[1000]; /* string to be split into words array */ char words[9][100]; /* words isolated from line */ char words2[1000]; /* words declared as an area vs array */ char *(words2p[9][100]); /* ptr to array of 100 elements */ /* declare prototype for wordsep1() function */ int wordsep1(char words[][100], char *input, int max, short bits); int main (int argc, char *argv[]) { wordsep1(words,line,9,0x03); /*32 <-- OK (no warning or error) */ wordsep1(words2,line,9,0x03); /*34 warning: arg1 incompatible type */ wordsep1((char[][100])words2,line,9,0x03); /*36 error: cast array type */ words2p = (char[][100])&(words2[0][0]); /*38 error: cast array type */ wordsep1(words2p,line,9,0x03); /*40 warning: arg1 incompatible type */ return(0); } /*-------------------------- wordsep1 ----------------------------*/ /* separate input string into array of words */ int wordsep1(char words[][100], char *input, int max, short bits) { return(1); }
