X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=206fc803d0e8b3f04a50fd0baf5cea1ff1a00f5c;hb=27373e442747010dfc195296c0705f67e905a611;hp=3a4d1965ae314788152999d7d518186744ad2601;hpb=0bee65f0622c4faa8ac8ae771cc0c8a936dfa284;p=elogind.git diff --git a/src/shared/util.c b/src/shared/util.c index 3a4d1965a..206fc803d 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -373,17 +373,21 @@ char *split(const char *c, size_t *l, const char *separator, char **state) { /* Split a string into words, but consider strings enclosed in '' and * "" as words even if they include spaces. */ char *split_quoted(const char *c, size_t *l, char **state) { - char *current, *e; + const char *current, *e; bool escaped = false; - current = *state ? *state : (char*) c; + assert(c); + assert(l); + assert(state); - if (!*current || *c == 0) - return NULL; + current = *state ? *state : c; current += strspn(current, WHITESPACE); - if (*current == '\'') { + if (*current == 0) + return NULL; + + else if (*current == '\'') { current ++; for (e = current; *e; e++) { @@ -396,7 +400,8 @@ char *split_quoted(const char *c, size_t *l, char **state) { } *l = e-current; - *state = *e == 0 ? e : e+1; + *state = (char*) (*e == 0 ? e : e+1); + } else if (*current == '\"') { current ++; @@ -410,7 +415,8 @@ char *split_quoted(const char *c, size_t *l, char **state) { } *l = e-current; - *state = *e == 0 ? e : e+1; + *state = (char*) (*e == 0 ? e : e+1); + } else { for (e = current; *e; e++) { if (escaped) @@ -421,7 +427,7 @@ char *split_quoted(const char *c, size_t *l, char **state) { break; } *l = e-current; - *state = e; + *state = (char*) e; } return (char*) current; @@ -491,7 +497,7 @@ int get_starttime_of_pid(pid_t pid, unsigned long long *st) { f = fopen(p, "re"); if (!f) - return -errno; + return errno == ENOENT ? -ESRCH : -errno; if (!fgets(line, sizeof(line), f)) { if (ferror(f)) @@ -557,6 +563,7 @@ char *truncate_nl(char *s) { int get_process_comm(pid_t pid, char **name) { const char *p; + int r; assert(name); assert(pid >= 0); @@ -566,7 +573,11 @@ int get_process_comm(pid_t pid, char **name) { else p = procfs_file_alloca(pid, "comm"); - return read_one_line_file(p, name); + r = read_one_line_file(p, name); + if (r == -ENOENT) + return -ESRCH; + + return r; } int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line) { @@ -723,7 +734,7 @@ int get_process_exe(pid_t pid, char **name) { r = readlink_malloc(p, name); if (r < 0) - return r; + return r == -ENOENT ? -ESRCH : r; d = endswith(*name, " (deleted)"); if (d) @@ -2490,7 +2501,7 @@ int getttyname_malloc(int fd, char **r) { assert(r); k = ttyname_r(fd, path, sizeof(path)); - if (k != 0) + if (k > 0) return -k; char_array_0(path); @@ -5705,56 +5716,6 @@ int search_and_fopen_nulstr(const char *path, const char *mode, const char *sear return search_and_fopen_internal(path, mode, s, _f); } -int create_tmp_dir(char template[], char** dir_name) { - int r = 0; - char *d = NULL, *dt; - - assert(dir_name); - - RUN_WITH_UMASK(0077) { - d = mkdtemp(template); - } - if (!d) { - log_error("Can't create directory %s: %m", template); - return -errno; - } - - dt = strjoin(d, "/tmp", NULL); - if (!dt) { - r = log_oom(); - goto fail3; - } - - RUN_WITH_UMASK(0000) { - r = mkdir(dt, 0777); - } - if (r < 0) { - log_error("Can't create directory %s: %m", dt); - r = -errno; - goto fail2; - } - log_debug("Created temporary directory %s", dt); - - r = chmod(dt, 0777 | S_ISVTX); - if (r < 0) { - log_error("Failed to chmod %s: %m", dt); - r = -errno; - goto fail1; - } - log_debug("Set sticky bit on %s", dt); - - *dir_name = dt; - - return 0; -fail1: - rmdir(dt); -fail2: - free(dt); -fail3: - rmdir(template); - return r; -} - char *strextend(char **x, ...) { va_list ap; size_t f, l;