Bug 2585 – std.stream readf

/* I dont know if this is a bug... but its a strange behavior... readf documentation: abstract int readf(...); Scan a string from the input using a similar form to C's scanf and std.format. */ /* Content of file that is opened: 1-2-3-4 */ /*C sample*/ #include <stdio.h> int main(int argc, char *argv[]) { FILE *fp = fopen(argv[1],"r"); int num[4]; int res = fscanf(fp,"%d-%d-%d-%d",&num[0],&num[1],&num[2],&num[3]); printf("\n%d-%d-%d-%d %d",num[0],num[1],num[2],num[3],res); fclose(fp); return 0; } /* Output */ 1-2-3-4 4 /*D sample (dmd 1.034 linux)*/ import std.stdio; import std.stream; int main(string[] args) { File f = new File(args[1], FileMode.In); int num[4]; TypeInfo[] types = [typeid(int)]; int res = f.readf("%d-%d-%d-%d",&num[0],&num[1],&num[2],&num[3]); printf("\n%d-%d-%d-%d %d",num[0],num[1],num[2],num[3],res); f.close(); return 1; } /* Output */ 1-2-3-0 3 /* if i put a empty space at end of file content all works fine.*/

(In reply to comment #0) > /* > I dont know if this is a bug... but its a strange behavior... > readf documentation: > abstract int readf(...); > Scan a string from the input using a similar form to C's scanf and std.format. > */ > > /* > Content of file that is opened: > 1-2-3-4 > */ > > /*C sample*/ > #include <stdio.h> > > > int main(int argc, char *argv[]) > { > FILE *fp = fopen(argv[1],"r"); > int num[4]; > int res = fscanf(fp,"%d-%d-%d-%d",&num[0],&num[1],&num[2],&num[3]); > printf("\n%d-%d-%d-%d %d",num[0],num[1],num[2],num[3],res); > fclose(fp); > return 0; > } > /* Output */ > 1-2-3-4 4 > > /*D sample (dmd 1.034 linux)*/ > > import std.stdio; > import std.stream; > > int main(string[] args) > { > File f = new File(args[1], FileMode.In); > int num[4]; > TypeInfo[] types = [typeid(int)]; > int res = f.readf("%d-%d-%d-%d",&num[0],&num[1],&num[2],&num[3]); > printf("\n%d-%d-%d-%d %d",num[0],num[1],num[2],num[3],res); > f.close(); > return 1; > } > > /* Output */ > 1-2-3-0 3 > > /* if i put a empty space at end of file content all works fine.*/ > Sorry... The version of dmd i am using is 1.030 and not 1.034.

It's unlikely this D1 issue will get worked on. If it applies to D2 as well and/or if anyone plans to work on it, please reopen.