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authorPatrik Nyblom <[email protected]>2011-07-13 16:42:31 +0200
committerPatrik Nyblom <[email protected]>2011-07-13 16:42:31 +0200
commit24cb9395bd869ebd288995cadbcf25db3198f200 (patch)
treec7c7d13099fa4e87f563bd11950d80d034c366f5 /erts/lib_src
parent089b8c357f5e7c96605c8f8cab4b3c856081dc39 (diff)
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Correct return values from write-functions in erl_printf
Diffstat (limited to 'erts/lib_src')
-rw-r--r--erts/lib_src/common/erl_printf.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/erts/lib_src/common/erl_printf.c b/erts/lib_src/common/erl_printf.c
index 72d18ab6f1..6aa4569d44 100644
--- a/erts/lib_src/common/erl_printf.c
+++ b/erts/lib_src/common/erl_printf.c
@@ -108,7 +108,7 @@ write_f_add_cr(void *vfp, char* buf, size_t len)
if (PUTC(buf[i], (FILE *) vfp) == EOF)
return get_error_result();
}
- return 0;
+ return len;
}
static int
@@ -126,13 +126,14 @@ write_f(void *vfp, char* buf, size_t len)
#endif
if (FWRITE((void *) buf, sizeof(char), len, (FILE *) vfp) != len)
return get_error_result();
- return 0;
+ return len;
}
static int
write_fd(void *vfdp, char* buf, size_t len)
{
ssize_t size;
+ size_t res = len;
ASSERT(vfdp);
while (len) {
@@ -149,7 +150,7 @@ write_fd(void *vfdp, char* buf, size_t len)
len -= size;
}
- return 0;
+ return res;
}
static int
@@ -160,7 +161,7 @@ write_s(void *vwbufpp, char* bufp, size_t len)
ASSERT(len > 0);
memcpy((void *) *wbufpp, (void *) bufp, len);
*wbufpp += len;
- return 0;
+ return len;
}
@@ -182,6 +183,7 @@ write_sn(void *vwsnap, char* buf, size_t len)
memcpy((void *) wsnap->buf, (void *) buf, sz);
wsnap->buf += sz;
wsnap->len -= sz;
+ return sz;
}
return 0;
}
@@ -201,7 +203,7 @@ write_ds(void *vdsbufp, char* buf, size_t len)
}
memcpy((void *) (dsbufp->str + dsbufp->str_len), (void *) buf, len);
dsbufp->str_len += len;
- return 0;
+ return len;
}
int