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author | Stewart Smith <stewart@linux.vnet.ibm.com> | 2015-05-12 12:09:13 +1000 |
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committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2015-05-12 12:09:13 +1000 |
commit | 0c185983848ccbc1c3793d6d8333014625639d4e (patch) | |
tree | ddb0bdcbb669743f6241c8a1f76586630254fa4f /libc | |
parent | f7c8f35ce7328f1b7e0181abf5c6233747570694 (diff) | |
download | skiboot-0c185983848ccbc1c3793d6d8333014625639d4e.zip skiboot-0c185983848ccbc1c3793d6d8333014625639d4e.tar.gz skiboot-0c185983848ccbc1c3793d6d8333014625639d4e.tar.bz2 |
Add pr_fmt to do printf/prlog prefixing automagically
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'libc')
-rw-r--r-- | libc/include/stdio.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libc/include/stdio.h b/libc/include/stdio.h index 787c06b..db5f1b0 100644 --- a/libc/include/stdio.h +++ b/libc/include/stdio.h @@ -40,7 +40,15 @@ extern FILE stderr_data; #define stderr (&stderr_data) int fileno(FILE *stream); -int printf(const char *format, ...) __attribute__((format (printf, 1, 2))); + +int _printf(const char *format, ...) __attribute__((format (printf, 1, 2))); + +#ifndef pr_fmt +#define prfmt(fmt) fmt +#endif + +#define printf(f, ...) do { _printf(pr_fmt(f), ##__VA_ARGS__); } while(0) + int fprintf(FILE *stream, const char *format, ...) __attribute__((format (printf, 2, 3))); int snprintf(char *str, size_t size, const char *format, ...) __attribute__((format (printf, 3, 4))); int vfprintf(FILE *stream, const char *format, va_list); |