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html: check return value of write

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This squelches a gcc warning. It's also correct that we check to see if
there are any partial or failed writes. For now, we just print a warning
to stderr. In the future, perhaps it will prove wise to exit(1) on
partial writes.
This commit is contained in:
Jason A. Donenfeld 2013-03-20 20:44:20 +01:00
parent 40e1d9b617
commit 6d7e3596eb
1 changed files with 3 additions and 2 deletions
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5
html.c
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@ -63,12 +63,13 @@ char *fmt(const char *format, ...)
void html_raw(const char *data, size_t size) void html_raw(const char *data, size_t size)
{ {
write(htmlfd, data, size); if (write(htmlfd, data, size) != size)
fprintf(stderr, "[html.c] html output truncated.\n");
} }
void html(const char *txt) void html(const char *txt)
{ {
write(htmlfd, txt, strlen(txt)); html_raw(txt, strlen(txt));
} }
void htmlf(const char *format, ...) void htmlf(const char *format, ...)