/* * I'm tired of doing "vsnprintf()" etc just to open a * file, so here's a "return static buffer with printf" * interface for paths. * * It's obviously not thread-safe. Sue me. But it's quite * useful for doing things like * * f = open(mkpath("%s/%s.perf", base, name), O_RDONLY); * * which is what it's designed for. */ #include "cache.h" #include "util.h" #include static char bad_path[] = "/bad-path/"; /* * One hack: */ static char *get_pathname(void) { static char pathname_array[4][PATH_MAX]; static int idx; return pathname_array[3 & ++idx]; } static char *cleanup_path(char *path) { /* Clean it up */ if (!memcmp(path, "./", 2)) { path += 2; while (*path == '/') path++; } return path; } char *mkpath(const char *fmt, ...) { va_list args; unsigned len; char *pathname = get_pathname(); va_start(args, fmt); len = vsnprintf(pathname, PATH_MAX, fmt, args); va_end(args); if (len >= PATH_MAX) return bad_path; return cleanup_path(pathname); } b6ce594b0e9e8940495e95f33'/> net-next plumbingsTobias Klauser
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authorMark Brown <broonie@kernel.org>2016-11-15 15:01:09 +0000
committerMark Brown <broonie@kernel.org>2016-11-15 15:22:10 +0000
commit53a20465e6b674eb6ce594b0e9e8940495e95f33 (patch)
tree4d4c29c7c68ab2a1b69e4bd3903949356d2467e8 /include/dt-bindings/clock/imx5-clock.h
parent1001354ca34179f3db924eb66672442a173147dc (diff)
regulator: pwm: Add missing quotes to DT example
Reported-by: Peter Rosin <peda@axentia.se> Signed-off-by: Mark Brown <broonie@kernel.org> Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'include/dt-bindings/clock/imx5-clock.h')