diff options
author | Anthony G. Basile <blueness@gentoo.org> | 2014-11-14 19:54:07 -0500 |
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committer | Anthony G. Basile <blueness@gentoo.org> | 2014-11-14 19:54:07 -0500 |
commit | 1425cbb6062425663480dac8e4e1327cd93c5a98 (patch) | |
tree | 4a7dd43febe346e368c27585311c207602b8fb4e /src/shared/util.h | |
parent | d1952898c7604c4075d3ca4cd1988a248dac67f1 (diff) |
src/shared/util.{c,h}: import needed functions from upstream
Diffstat (limited to 'src/shared/util.h')
-rw-r--r-- | src/shared/util.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/shared/util.h b/src/shared/util.h index a25b2f5aec..ebb02a66b9 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -180,6 +180,10 @@ char *strnappend(const char *s, const char *suffix, size_t length); char *truncate_nl(char *s); int rmdir_parents(const char *path, const char *stop); + +int get_process_comm(pid_t pid, char **name); +int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line); + char hexchar(int x) _const_; char octchar(int x) _const_; @@ -374,6 +378,10 @@ static inline void *mempset(void *s, int c, size_t n) { return (uint8_t*)s + n; } + +void* greedy_realloc(void **p, size_t *allocated, size_t need, size_t size); +#define GREEDY_REALLOC(array, allocated, need) \ + greedy_realloc((void**) &(array), &(allocated), (need), sizeof((array)[0])) static inline void _reset_errno_(int *saved_errno) { errno = *saved_errno; } @@ -412,6 +420,19 @@ int unlink_noerrno(const char *path); _d_; \ }) +#define procfs_file_alloca(pid, field) \ + ({ \ + pid_t _pid_ = (pid); \ + const char *_r_; \ + if (_pid_ == 0) { \ + _r_ = ("/proc/self/" field); \ + } else { \ + _r_ = alloca(strlen("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \ + sprintf((char*) _r_, "/proc/"PID_FMT"/" field, _pid_); \ + } \ + _r_; \ + }) + static inline void qsort_safe(void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)) { if (nmemb) { |