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* libfile: copy_file: Only open regular files with O_TRUNCTeresa Remmet2017-01-111-6/+16
| | | | | | | | Device files can not truncate in the most cases. Check if the destination is a regular file and open only those with O_TRUNC. Signed-off-by: Teresa Remmet <t.remmet@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* libfile: Change write_full to be have const bufMarkus Pargmann2016-07-081-1/+1
| | | | | | | write() uses a const pointer so write_full should do the same. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* string: Fix (v)asprintf prototypesSascha Hauer2016-04-151-3/+3
| | | | | | | | | | Our asprintf and vasprintf have different prototypes than the glibc functions. This causes trouble when we want to share barebox code with userspace code. Change the prototypes for (v)asprintf to match the glibc prototypes. Since the current (v)asprintf are convenient to use change the existing functions to b(v)asprintf. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* libfile: move open_and_lseek() to libfileSascha Hauer2016-04-151-0/+32
| | | | | | | libfile is a collection of helpers for handling files. open_and_lseek() is a perfect match for this, so move it there. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* lib: libfile: Do not ignore errors in close()Andrey Smirnov2015-08-191-3/+3
| | | | | | | | | | | Some character devices may perform meaningful operations in their implementation of close() -- a good example would be socfpga.c which checks if the FPGA was programmed succesfully in it's close() method -- so ignoring return value of this call may cause false positives in checking exit status for success. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* read_file_2(): drop unnecessary 'else'Alexander Smirnov2015-07-021-2/+2
| | | | | Signed-off-by: Alexander Smirnov <alllecs@yandex.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* libfile: Add copy_recursiveSascha Hauer2014-11-061-0/+40
| | | | | | To recursively copy a directory tree. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* libfile: add compare_file functionSascha Hauer2014-10-091-0/+71
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* read_file_2: Fix return valueTeresa Gámez2014-09-251-1/+3
| | | | | | | | Set return value correct in error case. This prevents barebox from crashing in some conditions. Signed-off-by: Teresa Gámez <t.gamez@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* read_file: introduce read_file_2Sascha Hauer2014-08-071-14/+57
| | | | | | | | | | | | | read_file has some limitations: - It is not possible to check the error code since read_file returns NULL for failure - It is not possible to limit the buffer size to sensible limits. This patch introduces read_file_2 which doesn't have these limitations. read_file becomes a wrapper around read_file_2. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* move file helper functions to separate fileSascha Hauer2014-08-071-0/+288
We have our file helper functions in several places. Move them all to lib/libfile.c. With this we no longer have file helpers in fs/fs.c which contains the core fs functions and no functions in lib/libbb.c which are not from busybox. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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