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sys: fmt: add workaround for AVR libc's missing write()

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Kaspar Schleiser 2015-11-19 12:54:09 +01:00
parent 28d9eab420
commit 157f8c93ad
1 changed files with 5 additions and 0 deletions
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5
sys/fmt/fmt.c
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@ -137,6 +137,10 @@ uint32_t scn_u32_dec(const char *str, size_t n)
void print(const char *s, size_t n) void print(const char *s, size_t n)
{ {
#ifdef __WITH_AVRLIBC__
/* AVR's libc doesn't offer write(), so use fwrite() instead */
fwrite(s, n, 1, stdout);
#else
while (n > 0) { while (n > 0) {
ssize_t written = write(STDOUT_FILENO, s, n); ssize_t written = write(STDOUT_FILENO, s, n);
if (written < 0) { if (written < 0) {
@ -145,6 +149,7 @@ void print(const char *s, size_t n)
n -= written; n -= written;
s += written; s += written;
} }
#endif /* __WITH_AVRLIBC__ */
} }
void print_u32_dec(uint32_t val) void print_u32_dec(uint32_t val)