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Diffstat (limited to 'libreport/src/lib/xfuncs.c')
-rw-r--r--libreport/src/lib/xfuncs.c410
1 files changed, 0 insertions, 410 deletions
diff --git a/libreport/src/lib/xfuncs.c b/libreport/src/lib/xfuncs.c
deleted file mode 100644
index 67b61d40..00000000
--- a/libreport/src/lib/xfuncs.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/*
- Copyright (C) 2010 ABRT team
- Copyright (C) 2010 RedHat Inc
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
-
-/*
- * Utility routines.
- *
- */
-#include "libreport.h"
-
-/* Turn on nonblocking I/O on a fd */
-int ndelay_on(int fd)
-{
- int flags = fcntl(fd, F_GETFL);
- if (flags & O_NONBLOCK)
- return 0;
- return fcntl(fd, F_SETFL, flags | O_NONBLOCK);
-}
-
-int ndelay_off(int fd)
-{
- int flags = fcntl(fd, F_GETFL);
- if (!(flags & O_NONBLOCK))
- return 0;
- return fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
-}
-
-int close_on_exec_on(int fd)
-{
- return fcntl(fd, F_SETFD, FD_CLOEXEC);
-}
-
-// Die if we can't allocate size bytes of memory.
-void* xmalloc(size_t size)
-{
- void *ptr = malloc(size);
- if (ptr == NULL && size != 0)
- die_out_of_memory();
- return ptr;
-}
-
-// Die if we can't resize previously allocated memory. (This returns a pointer
-// to the new memory, which may or may not be the same as the old memory.
-// It'll copy the contents to a new chunk and free the old one if necessary.)
-void* xrealloc(void *ptr, size_t size)
-{
- ptr = realloc(ptr, size);
- if (ptr == NULL && size != 0)
- die_out_of_memory();
- return ptr;
-}
-
-// Die if we can't allocate and zero size bytes of memory.
-void* xzalloc(size_t size)
-{
- void *ptr = xmalloc(size);
- memset(ptr, 0, size);
- return ptr;
-}
-
-// Die if we can't copy a string to freshly allocated memory.
-char* xstrdup(const char *s)
-{
- char *t;
- if (s == NULL)
- return NULL;
-
- t = strdup(s);
-
- if (t == NULL)
- die_out_of_memory();
-
- return t;
-}
-
-// Die if we can't allocate n+1 bytes (space for the null terminator) and copy
-// the (possibly truncated to length n) string into it.
-char* xstrndup(const char *s, int n)
-{
- int m;
- char *t;
-
- /* We can just xmalloc(n+1) and strncpy into it, */
- /* but think about xstrndup("abc", 10000) wastage! */
- m = n;
- t = (char*) s;
- while (m)
- {
- if (!*t) break;
- m--;
- t++;
- }
- n -= m;
- t = (char*) xmalloc(n + 1);
- t[n] = '\0';
-
- return (char*) memcpy(t, s, n);
-}
-
-void xpipe(int filedes[2])
-{
- if (pipe(filedes))
- perror_msg_and_die("can't create pipe");
-}
-
-void xdup(int from)
-{
- if (dup(from) < 0)
- perror_msg_and_die("can't duplicate file descriptor");
-}
-
-void xdup2(int from, int to)
-{
- if (dup2(from, to) != to)
- perror_msg_and_die("can't duplicate file descriptor");
-}
-
-// "Renumber" opened fd
-void xmove_fd(int from, int to)
-{
- if (from == to)
- return;
- xdup2(from, to);
- close(from);
-}
-
-// Die with an error message if we can't write the entire buffer.
-void xwrite(int fd, const void *buf, size_t count)
-{
- if (count == 0)
- return;
- ssize_t size = full_write(fd, buf, count);
- if ((size_t)size != count)
- error_msg_and_die("short write");
-}
-
-void xwrite_str(int fd, const char *str)
-{
- xwrite(fd, str, strlen(str));
-}
-
-// Die with an error message if we can't lseek to the right spot.
-off_t xlseek(int fd, off_t offset, int whence)
-{
- off_t off = lseek(fd, offset, whence);
- if (off == (off_t)-1) {
- if (whence == SEEK_SET)
- perror_msg_and_die("lseek(%llu)", (long long)offset);
- perror_msg_and_die("lseek");
- }
- return off;
-}
-
-void xchdir(const char *path)
-{
- if (chdir(path))
- perror_msg_and_die("chdir(%s)", path);
-}
-
-char* xvasprintf(const char *format, va_list p)
-{
- int r;
- char *string_ptr;
-
-#if 1
- // GNU extension
- r = vasprintf(&string_ptr, format, p);
-#else
- // Bloat for systems that haven't got the GNU extension.
- va_list p2;
- va_copy(p2, p);
- r = vsnprintf(NULL, 0, format, p);
- string_ptr = xmalloc(r+1);
- r = vsnprintf(string_ptr, r+1, format, p2);
- va_end(p2);
-#endif
-
- if (r < 0)
- die_out_of_memory();
- return string_ptr;
-}
-
-// Die with an error message if we can't malloc() enough space and do an
-// sprintf() into that space.
-char* xasprintf(const char *format, ...)
-{
- va_list p;
- char *string_ptr;
-
- va_start(p, format);
- string_ptr = xvasprintf(format, p);
- va_end(p);
-
- return string_ptr;
-}
-
-void xsetenv(const char *key, const char *value)
-{
- if (setenv(key, value, 1))
- die_out_of_memory();
-}
-
-void safe_unsetenv(const char *var_val)
-{
- //char *name = xstrndup(var_val, strchrnul(var_val, '=') - var_val);
- //unsetenv(name);
- //free(name);
-
- /* Avoid malloc/free (name is usually very short) */
- unsigned len = strchrnul(var_val, '=') - var_val;
- char name[len + 1];
- memcpy(name, var_val, len);
- name[len] = '\0';
- unsetenv(name);
-}
-
-// Die with an error message if we can't open a new socket.
-int xsocket(int domain, int type, int protocol)
-{
- int r = socket(domain, type, protocol);
- if (r < 0)
- {
- const char *s = "INET";
- if (domain == AF_PACKET) s = "PACKET";
- if (domain == AF_NETLINK) s = "NETLINK";
- if (domain == AF_INET6) s = "INET6";
- perror_msg_and_die("socket(AF_%s)", s);
- }
-
- return r;
-}
-
-// Die with an error message if we can't bind a socket to an address.
-void xbind(int sockfd, struct sockaddr *my_addr, socklen_t addrlen)
-{
- if (bind(sockfd, my_addr, addrlen))
- perror_msg_and_die("bind");
-}
-
-// Die with an error message if we can't listen for connections on a socket.
-void xlisten(int s, int backlog)
-{
- if (listen(s, backlog))
- perror_msg_and_die("listen");
-}
-
-// Die with an error message if sendto failed.
-// Return bytes sent otherwise
-ssize_t xsendto(int s, const void *buf, size_t len,
- const struct sockaddr *to,
- socklen_t tolen)
-{
- ssize_t ret = sendto(s, buf, len, 0, to, tolen);
- if (ret < 0)
- {
- close(s);
- perror_msg_and_die("sendto");
- }
- return ret;
-}
-
-// xstat() - a stat() which dies on failure with meaningful error message
-void xstat(const char *name, struct stat *stat_buf)
-{
- if (stat(name, stat_buf))
- perror_msg_and_die("can't stat '%s'", name);
-}
-
-// Die if we can't open a file and return a fd
-int xopen3(const char *pathname, int flags, int mode)
-{
- int ret;
- ret = open(pathname, flags, mode);
- if (ret < 0)
- perror_msg_and_die("can't open '%s'", pathname);
- return ret;
-}
-
-// Die if we can't open an existing file and return a fd
-int xopen(const char *pathname, int flags)
-{
- return xopen3(pathname, flags, 0666);
-}
-
-void xunlink(const char *pathname)
-{
- if (unlink(pathname))
- perror_msg_and_die("Can't remove file '%s'", pathname);
-}
-
-#if 0 //UNUSED
-// Warn if we can't open a file and return a fd.
-int open3_or_warn(const char *pathname, int flags, int mode)
-{
- int ret;
- ret = open(pathname, flags, mode);
- if (ret < 0)
- perror_msg("can't open '%s'", pathname);
- return ret;
-}
-
-// Warn if we can't open a file and return a fd.
-int open_or_warn(const char *pathname, int flags)
-{
- return open3_or_warn(pathname, flags, 0666);
-}
-#endif
-
-/* Just testing dent->d_type == DT_REG is wrong: some filesystems
- * do not report the type, they report DT_UNKNOWN for every dirent
- * (and this is not a bug in filesystem, this is allowed by standards).
- */
-int is_regular_file(struct dirent *dent, const char *dirname)
-{
- if (dent->d_type == DT_REG)
- return 1;
- if (dent->d_type != DT_UNKNOWN)
- return 0;
-
- char *fullname = xasprintf("%s/%s", dirname, dent->d_name);
- struct stat statbuf;
- int r = lstat(fullname, &statbuf);
- free(fullname);
-
- return r == 0 && S_ISREG(statbuf.st_mode);
-}
-
-/* Is it "." or ".."? */
-/* abrtlib candidate */
-bool dot_or_dotdot(const char *filename)
-{
- if (filename[0] != '.') return false;
- if (filename[1] == '\0') return true;
- if (filename[1] != '.') return false;
- if (filename[2] == '\0') return true;
- return false;
-}
-
-/* Find out if the last character of a string matches the one given.
- * Don't underrun the buffer if the string length is 0.
- */
-char *last_char_is(const char *s, int c)
-{
- if (s && *s)
- {
- s += strlen(s) - 1;
- if ((unsigned char)*s == c)
- return (char*)s;
- }
- return NULL;
-}
-
-bool string_to_bool(const char *s)
-{
- if (s[0] == '1' && s[1] == '\0')
- return true;
- if (strcasecmp(s, "on") == 0)
- return true;
- if (strcasecmp(s, "yes") == 0)
- return true;
- if (strcasecmp(s, "true") == 0)
- return true;
- return false;
-}
-
-void xseteuid(uid_t euid)
-{
- if (seteuid(euid) != 0)
- perror_msg_and_die("can't set %cid %lu", 'u', (long)euid);
-}
-
-void xsetegid(gid_t egid)
-{
- if (setegid(egid) != 0)
- perror_msg_and_die("can't set %cid %lu", 'g', (long)egid);
-}
-
-void xsetreuid(uid_t ruid, uid_t euid)
-{
- if (setreuid(ruid, euid) != 0)
- perror_msg_and_die("can't set %cid %lu", 'u', (long)ruid);
-}
-
-void xsetregid(gid_t rgid, gid_t egid)
-{
- if (setregid(rgid, egid) != 0)
- perror_msg_and_die("can't set %cid %lu", 'g', (long)rgid);
-}
-
-const char *get_home_dir(uid_t uid)
-{
- struct passwd* pw = getpwuid(uid);
- // TODO: handle errno
- return pw ? pw->pw_dir : NULL;
-}
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