X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=libbb%2Fwfopen.c;h=deec79a280683d468f0ded2e3f4fee9eb7a38d81;hb=d7171c114028815df4e92f9c26875f1d60c6af2a;hp=9d663281e435b200f399f6702c370dc97a94cf30;hpb=b1629b1b2abc17a6430e4173d64d7956784118e0;p=oweals%2Fbusybox.git diff --git a/libbb/wfopen.c b/libbb/wfopen.c index 9d663281e..deec79a28 100644 --- a/libbb/wfopen.c +++ b/libbb/wfopen.c @@ -7,16 +7,50 @@ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include -#include #include "libbb.h" -FILE *bb_wfopen(const char *path, const char *mode) +FILE* FAST_FUNC fopen_or_warn(const char *path, const char *mode) { - FILE *fp; - if ((fp = fopen(path, mode)) == NULL) { - bb_perror_msg("%s", path); - errno = 0; + FILE *fp = fopen(path, mode); + if (!fp) { + bb_simple_perror_msg(path); + //errno = 0; /* why? */ } return fp; } + +FILE* FAST_FUNC fopen_for_read(const char *path) +{ + return fopen(path, "r"); +} + +FILE* FAST_FUNC xfopen_for_read(const char *path) +{ + return xfopen(path, "r"); +} + +FILE* FAST_FUNC fopen_for_write(const char *path) +{ + return fopen(path, "w"); +} + +FILE* FAST_FUNC xfopen_for_write(const char *path) +{ + return xfopen(path, "w"); +} + +static FILE* xfdopen_helper(unsigned fd_and_rw_bit) +{ + FILE* fp = fdopen(fd_and_rw_bit >> 1, fd_and_rw_bit & 1 ? "w" : "r"); + if (!fp) + bb_error_msg_and_die(bb_msg_memory_exhausted); + return fp; +} +FILE* FAST_FUNC xfdopen_for_read(int fd) +{ + return xfdopen_helper(fd << 1); +} +FILE* FAST_FUNC xfdopen_for_write(int fd) +{ + return xfdopen_helper((fd << 1) + 1); +}