printf « stdout « C Q&A

1. C stdout printf problem    stackoverflow.com

I have a weird issue with printing data out. I use printf to print a char* string and then after that print another one. However part of the first string doesn't ...

2. printf, stdout and setvbuf    bytes.com

Is there a memory leak in this particular program: #include #include int main(void) { printf("Hello, world\n"); if(setvbuf(stdout, NULL, _IONBF, 0) != 0) { perror("setvbuf"); return EXIT_FAILURE; } return 0; } I imagine the case that printf() provides stdout a malloc'ed buffer. I know implementations do this, but I can't find the wording in the standard that mentions this.

3. strange behaviour of printf after stdout redirection    cboard.cprogramming.com

Some more info if anybody still cares (clearly I'm enjoying this one): puts and fputs are not implemented in quite the same manner. That is to say, puts(str) is not exactly equivalent to calling fputs(str, stdout). Of course, that's not specified as a requirement in the standard, so glibc is totally justified in doing this. For reference, here is the source ...

4. printf to stdout    cboard.cprogramming.com