http://duoduokou.com/c/66085721458056302593.html WebSo when fgets is called on the next iteration, it reads just the newline. You need to flush out the input buffer at the bottom of the loop by repeatedly calling getchar until you see a newline: cont = getchar(); int nextchar; do { nextchar = getchar(); } while (nextchar != '\n' && nextchar != EOF);
fgets in while loop - C++ Programming
WebApr 7, 2014 · fgets in a while loop. Ask Question Asked 8 years, 10 months ago. Modified 8 years, 10 months ago. Viewed 1k times 0 The following code is giving me a segmentation fault at the fgets call in the while loop (it does not reach the printf statement inside the while loop for debugging). I have shown here the main (taking args from the command … WebApr 16, 2015 · 1 Answer. This will result in a executable that contains the max amount of debug information, usable by the gdb debugger. 3) assure the source code is visible from where the program is to be run (in the same directory works very well) 4) at the command line: gdb yourProgramName 5) from within gdb enter the following commands br main <-- … download the adp mobile app
Issue with fgets() inside of a do-while loop in C - Stack Overflow
WebSep 19, 2015 · The result of fgets () may or may not including an ending '\n' for various reasons. Suggest stripping it off if it is there. while (fgets (i, sizeof (i), stdin)!=NULL) { // delete potential \n - this works if \n exists or not i [strcspn (i,"\n")] = 0; printf ("%s\n", i); // add \n printf ("line%d - j\n", j); // add \n j++ } Share Follow Web1) fgets () reads as the first char a '\0'. 2) size == 1 3) fgets () returns NULL then buf contents could be anything. (OP's code does test for NULL though) Suggest: size_t ln = strlen (name); if (ln > 0 && name [ln-1] == '\n') name [--ln] = '\0'; – chux - Reinstate Monica Jul 2, 2014 at 14:00 WebJan 22, 2013 · Because it is impossible to tell without knowing the data in advance how many characters gets () will read, and because gets () will continue to store characters past the end of the buffer, it is extremely dangerous to use. It has been used to break computer security. Use fgets () instead. – ThiefMaster Jan 22, 2013 at 18:45 download the alchemist pdf