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| -rw-r--r-- | info/libgamma.texinfo | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/info/libgamma.texinfo b/info/libgamma.texinfo index 78643ee..98c4ca7 100644 --- a/info/libgamma.texinfo +++ b/info/libgamma.texinfo @@ -606,6 +606,19 @@ error. @code{libgamma_value_of_error} will return zero if the input is @code{NULL} or string that is not the name of a @command{libgamma} error. +The function @code{libgamma_perror} can be used to +print an error to stderr in a @code{perror} fashion. +However @code{libgamma_perror} will not translate the +@command{libgamma} errors into human-readable strings, +it will simply print the name of the error. +@code{libgamma_perror} takes two arguments: +a @code{const char*} that work like the parameter for +@code{perror}, and an @code{int} with the error code. +If the error code is the value of @code{LIBGAMMA_ERRNO_SET} +@code{perror} will be used to print the current error +stored in @code{errno}. If the error code is non-negative +(an @code{errno} value`), that value will be stored in +@code{errno} and @code{perror} will be used to print it. @node GNU Free Documentation License |