X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fd.c;h=ef2c64caced7aaef2751d6fa0233e0b33346dfae;hp=4928850e38d7d01688702d8acb8e898da53e284d;hb=c04ac3f234670c8ba990c15605e1f3f6f2bf4780;hpb=c430e588047c5db3eb0d043c4dd1378680ec2bcf diff --git a/fd.c b/fd.c index 4928850e..ef2c64ca 100644 --- a/fd.c +++ b/fd.c @@ -20,6 +20,7 @@ #include "para.h" +#include #include #include "error.h" @@ -93,9 +94,34 @@ int mark_fd_nonblock(int fd) * * This wrapper for FD_SET() passes its first two arguments to \p FD_SET. Upon * return, \a max_fileno contains the maximum of the old_value and \a fd. + * + * \sa para_select */ void para_fd_set(int fd, fd_set *fds, int *max_fileno) { FD_SET(fd, fds); - *max_fileno = MAX(*max_fileno, fd); + *max_fileno = PARA_MAX(*max_fileno, fd); +} + +/** + * paraslash's wrapper for fread(3) + * + * \param dest destination pointer + * \param nbytes size of one element + * \param nmemb number of elements to write + * \param stream the input stream + * + * \return negative on errors, zero on end of file, and the number of bytes + * (not elements) read on success. + * + * \sa fread(3) + */ +__must_check int para_fread(void *dest, size_t nbytes, size_t nmemb, FILE *stream) +{ + size_t res = fread(dest, nbytes, nmemb, stream); + if (res == nmemb) + return nbytes * nmemb; + if (feof(stream)) + return 0; + return -E_FREAD; }