find_str main MAX_STR usage

int find_str ( char *  sz, FILE *  p, int  invert_search, int  count_lines, int  number_output, int  ignore_case, int  at_start, int  literal_search, int  at_end, int  reg_express, int  exact_match, int  sub_dirs, int  only_fname  ) Definition at line 51 of file findstr.c. { int i, length; long line_number = 0, total_lines = 0; char *c, temp_str[MAX_STR], this_line[MAX_STR]; /* Convert to upper if needed */ if (ignore_case) { length = strlen (sz); for (i = 0; i < length; i++) sz[i] = toupper (sz[i]); } /* Scan the file until EOF */ while (fgets (temp_str, MAX_STR, p) != NULL) { /* Remove the trailing newline */ length = strlen (temp_str); if (temp_str[length-1] == '\n') { temp_str[length-1] = '\0'; } /* Increment number of lines */ line_number++; strcpy (this_line, temp_str); /* Convert to upper if needed */ if (ignore_case) { for (i = 0; i < length; i++) { temp_str[i] = toupper (temp_str[i]); } } /* Locate the substring */ /* strstr() returns a pointer to the first occurrence in the string of the substring */ c = strstr (temp_str, sz); if ( ((invert_search) ? (c == NULL) : (c != NULL)) ) { if (!count_lines) { if (number_output) printf ("%ld:", line_number); /* Print the line of text */ puts (this_line); } total_lines++; } /* long if */ } /* while fgets */ if (count_lines) { /* Just show num. lines that contain the string */ printf ("%ld\n", total_lines); } /* RETURN: If the string was found at least once, returns 1. * If the string was not found at all, returns 0. */ return (total_lines > 0 ? 1 : 0); }