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fix r3822

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Solaris strerror() invalid error code behaviour depends on version:
    Solaris 10 returns "Unknown error" and sets errno to EINVAL,
    Solaris 9 returns "Unknown error" and leaves errno intact,
    Solaris 2 returns NULL.
This commit is contained in:
Igor Sysoev 2011-04-23 13:15:56 +00:00
parent c37192b537
commit 1143d00a16
1 changed files with 7 additions and 2 deletions
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@ -141,14 +141,19 @@ if [ $ngx_found = no ]; then
ngx_feature_name=NGX_SYS_NERR ngx_feature_name=NGX_SYS_NERR
ngx_feature_run=value ngx_feature_run=value
ngx_feature_incs='#include <errno.h> ngx_feature_incs='#include <errno.h>
#include <string.h>'
#include <stdio.h>' #include <stdio.h>'
ngx_feature_path= ngx_feature_path=
ngx_feature_libs= ngx_feature_libs=
ngx_feature_test='int n; ngx_feature_test='int n;
char *p;
for (n = 1; n < 1000; n++) { for (n = 1; n < 1000; n++) {
errno = 0; errno = 0;
strerror(n); p = strerror(n);
if (errno == EINVAL) { if (errno == EINVAL
|| p == NULL
|| strncmp(p, "Unknown error", 13) == 0)
{
printf("%d", n); printf("%d", n);
return 0; return 0;
} }