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| author | Harry Liebel <Harry.Liebel@arm.com> | 2013-12-12 16:46:30 +0000 |
|---|---|---|
| committer | Dan Handley <dan.handley@arm.com> | 2013-12-20 15:52:16 +0000 |
| commit | 1bc9e1f6ebb339136842fca0fa6f897ec20fd1aa (patch) | |
| tree | dc5438c152dbc0c303a8283720ac585bdc812fcf /lib/stdlib/printf.c | |
| parent | 0f702c6e7097c369517f891c172a84e2e439e9f7 (diff) | |
| download | platform_external_arm-trusted-firmware-1bc9e1f6ebb339136842fca0fa6f897ec20fd1aa.tar.gz platform_external_arm-trusted-firmware-1bc9e1f6ebb339136842fca0fa6f897ec20fd1aa.tar.bz2 platform_external_arm-trusted-firmware-1bc9e1f6ebb339136842fca0fa6f897ec20fd1aa.zip | |
Add strchr() and putchar() to local C library
Change-Id: I3659e119a242f8ef828e32bfdf5d0b4b7ac4f716
Diffstat (limited to 'lib/stdlib/printf.c')
| -rw-r--r-- | lib/stdlib/printf.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/lib/stdlib/printf.c b/lib/stdlib/printf.c index 3d62497a7..61361b9cb 100644 --- a/lib/stdlib/printf.c +++ b/lib/stdlib/printf.c @@ -31,14 +31,30 @@ #include <stdio.h> #include <stdarg.h> - // Choose max of 128 chars for now. +/* Choose max of 128 chars for now. */ #define PRINT_BUFFER_SIZE 128 int printf(const char *fmt, ...) { va_list args; - va_start(args, fmt); char buf[PRINT_BUFFER_SIZE]; + int count; + + va_start(args, fmt); vsnprintf(buf, sizeof(buf) - 1, fmt, args); + va_end(args); + + /* Use putchar directly as 'puts()' adds a newline. */ buf[PRINT_BUFFER_SIZE - 1] = '\0'; - return puts(buf); + count = 0; + while (buf[count]) + { + if (putchar(buf[count]) != EOF) { + count++; + } else { + count = EOF; + break; + } + } + + return count; } |