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| author | Gregory Nutt <gnutt@nuttx.org> | 2013-12-11 14:54:22 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2013-12-11 14:54:22 -0600 |
| commit | e376719b727dea88c81ad2111769ab8a596c6f84 (patch) | |
| tree | 9ba2b5ae6f6e6bbca0c2627d9cb753267544eaf8 | |
| parent | 159d94fddf49ad8e361714d9e8f6187586651be4 (diff) | |
| download | nuttx-e376719b727dea88c81ad2111769ab8a596c6f84.tar.gz nuttx-e376719b727dea88c81ad2111769ab8a596c6f84.tar.bz2 nuttx-e376719b727dea88c81ad2111769ab8a596c6f84.zip | |
libc logic should not directly assign errno, but should use set_errno() macro. This is because in the kernel build, errno is a system call
| -rw-r--r-- | nuttx/libc/math/lib_sqrt.c | 2 | ||||
| -rw-r--r-- | nuttx/libc/math/lib_sqrtf.c | 2 | ||||
| -rw-r--r-- | nuttx/libc/math/lib_sqrtl.c | 2 | ||||
| -rw-r--r-- | nuttx/libc/stdio/lib_sscanf.c | 8 |
4 files changed, 7 insertions, 7 deletions
diff --git a/nuttx/libc/math/lib_sqrt.c b/nuttx/libc/math/lib_sqrt.c index e8a1c42ea..dbab598bc 100644 --- a/nuttx/libc/math/lib_sqrt.c +++ b/nuttx/libc/math/lib_sqrt.c @@ -48,7 +48,7 @@ double sqrt(double x) if (x < 0.0) { - errno = EDOM; + set_errno(EDOM); return NAN; } diff --git a/nuttx/libc/math/lib_sqrtf.c b/nuttx/libc/math/lib_sqrtf.c index cf45ccacc..e70a1de72 100644 --- a/nuttx/libc/math/lib_sqrtf.c +++ b/nuttx/libc/math/lib_sqrtf.c @@ -49,7 +49,7 @@ float sqrtf(float x) if (x < 0.0) { - errno = EDOM; + set_errno(EDOM); return NAN; } diff --git a/nuttx/libc/math/lib_sqrtl.c b/nuttx/libc/math/lib_sqrtl.c index 4035992fe..181adf0c8 100644 --- a/nuttx/libc/math/lib_sqrtl.c +++ b/nuttx/libc/math/lib_sqrtl.c @@ -50,7 +50,7 @@ long double sqrtl(long double x) if (x < 0.0) { - errno = EDOM; + set_errno(EDOM); return NAN; } diff --git a/nuttx/libc/stdio/lib_sscanf.c b/nuttx/libc/stdio/lib_sscanf.c index b4c7ef9fe..00d4b71f6 100644 --- a/nuttx/libc/stdio/lib_sscanf.c +++ b/nuttx/libc/stdio/lib_sscanf.c @@ -446,7 +446,7 @@ int vsscanf(FAR const char *buf, FAR const char *fmt, va_list ap) long tmplong; errsave = errno; - errno = 0; + set_errno(0); tmplong = strtol(tmp, &endptr, base); /* Number can't be converted */ @@ -456,7 +456,7 @@ int vsscanf(FAR const char *buf, FAR const char *fmt, va_list ap) return count; } - errno = errsave; + set_errno(errno); /* We have to check whether we need to return a long * or an int. @@ -556,7 +556,7 @@ int vsscanf(FAR const char *buf, FAR const char *fmt, va_list ap) double_t dvalue; errsave = errno; - errno = 0; + set_errno(0); dvalue = strtod(tmp, &endptr); /* Number can't be converted */ @@ -566,7 +566,7 @@ int vsscanf(FAR const char *buf, FAR const char *fmt, va_list ap) return count; } - errno = errsave; + set_errno(errsave); /* We have to check whether we need to return a float * or a double. |