Add source code module name to stdout/stderr messages to improve readability.

pull/16/head
Darrell Anderson 13 years ago
parent e50a9f060c
commit abf8c2dbe4

@ -51,20 +51,20 @@ int check_tmp_dir(const char *tmp_dir)
result = mkdir(tmp_dir, 0700); result = mkdir(tmp_dir, 0700);
if (result == -1) if (result == -1)
{ {
fprintf(stderr, "Error: Can not create directory \"%s\".\n", tmp_dir); fprintf(stderr, "[lnusertemp] Error: Can not create directory \"%s\".\n", tmp_dir);
return 1; return 1;
} }
result = stat(tmp_dir, &stat_buf); result = stat(tmp_dir, &stat_buf);
} }
if ((result == -1) || (!S_ISDIR(stat_buf.st_mode))) if ((result == -1) || (!S_ISDIR(stat_buf.st_mode)))
{ {
fprintf(stderr, "Error: \"%s\" is not a directory.\n", tmp_dir); fprintf(stderr, "[lnusertemp] Error: \"%s\" is not a directory.\n", tmp_dir);
return 1; return 1;
} }
if (stat_buf.st_uid != getuid()) if (stat_buf.st_uid != getuid())
{ {
fprintf(stderr, "Error: \"%s\" is owned by uid %d instead of uid %d.\n", tmp_dir, stat_buf.st_uid, getuid()); fprintf(stderr, "[lnusertemp] Error: \"%s\" is owned by uid %d instead of uid %d.\n", tmp_dir, stat_buf.st_uid, getuid());
return 1; return 1;
} }
return 0; return 0;
@ -81,10 +81,10 @@ int create_link(const char *file, const char *tmp_dir)
result = symlink(tmp_dir, file); result = symlink(tmp_dir, file);
if (result == -1) if (result == -1)
{ {
fprintf(stderr, "Error: Can not create link from \"%s\" to \"%s\"\n", file, tmp_dir); fprintf(stderr, "[lnusertemp] Error: Can not create link from \"%s\" to \"%s\"\n", file, tmp_dir);
return 1; return 1;
} }
/*printf("Created link from \"%s\" to \"%s\"\n", file, tmp_dir);*/ /*printf("[lnusertemp] Created link from \"%s\" to \"%s\"\n", file, tmp_dir);*/
return 0; return 0;
} }
@ -109,7 +109,7 @@ int build_link(const char *tmp_prefix, const char *kde_prefix, int kdehostname)
pw_ent = getpwuid(uid); pw_ent = getpwuid(uid);
if (!pw_ent) if (!pw_ent)
{ {
fprintf(stderr, "Error: Can not find password entry for uid %d.\n", getuid()); fprintf(stderr, "[lnusertemp] Error: Can not find password entry for uid %d.\n", getuid());
return 1; return 1;
} }
@ -130,12 +130,12 @@ int build_link(const char *tmp_prefix, const char *kde_prefix, int kdehostname)
} }
if (!home_dir || !home_dir[0]) if (!home_dir || !home_dir[0])
{ {
fprintf(stderr, "Aborting. $HOME not set!\n"); fprintf(stderr, "[lnusertemp] Aborting. $HOME not set!\n");
return 1; return 1;
} }
if (strlen(home_dir) > (PATH_MAX-100)) if (strlen(home_dir) > (PATH_MAX-100))
{ {
fprintf(stderr, "Aborting. Home directory path too long!\n"); fprintf(stderr, "[lnusertemp] Aborting. Home directory path too long!\n");
return 1; return 1;
} }
kde_home++; kde_home++;
@ -155,7 +155,7 @@ int build_link(const char *tmp_prefix, const char *kde_prefix, int kdehostname)
} }
if (result == -1) if (result == -1)
{ {
perror("mkdir failed: "); perror("[lnusertemp] mkdir failed: ");
return 1; return 1;
} }
@ -172,7 +172,7 @@ int build_link(const char *tmp_prefix, const char *kde_prefix, int kdehostname)
{ {
if (gethostname(kde_tmp_dir+strlen(kde_tmp_dir), PATH_MAX - strlen(kde_tmp_dir) - 1) != 0) if (gethostname(kde_tmp_dir+strlen(kde_tmp_dir), PATH_MAX - strlen(kde_tmp_dir) - 1) != 0)
{ {
perror("Could not determine hostname: "); perror("[lnusertemp] Could not determine hostname: ");
return 1; return 1;
} }
} }
@ -182,12 +182,12 @@ int build_link(const char *tmp_prefix, const char *kde_prefix, int kdehostname)
if ((result == 0) && (S_ISDIR(stat_buf.st_mode))) if ((result == 0) && (S_ISDIR(stat_buf.st_mode)))
{ {
/* $TDEHOME/tmp is a normal directory. Do nothing. */ /* $TDEHOME/tmp is a normal directory. Do nothing. */
/*printf("Directory \"%s\" already exists.\n", kde_tmp_dir);*/ /*printf("[lnusertemp] Directory \"%s\" already exists.\n", kde_tmp_dir);*/
return 0; return 0;
} }
if ((result == -1) && (errno == ENOENT)) if ((result == -1) && (errno == ENOENT))
{ {
/*printf("Creating link %s.\n", kde_tmp_dir);*/ /*printf("[lnusertemp] Creating link %s.\n", kde_tmp_dir);*/
result = create_link(kde_tmp_dir, user_tmp_dir); result = create_link(kde_tmp_dir, user_tmp_dir);
if (result == 0) return 0; /* Success */ if (result == 0) return 0; /* Success */
unlink(kde_tmp_dir); unlink(kde_tmp_dir);
@ -197,23 +197,23 @@ int build_link(const char *tmp_prefix, const char *kde_prefix, int kdehostname)
} }
if ((result == -1) || (!S_ISLNK(stat_buf.st_mode))) if ((result == -1) || (!S_ISLNK(stat_buf.st_mode)))
{ {
fprintf(stderr, "Error: \"%s\" is not a link or a directory.\n", kde_tmp_dir); fprintf(stderr, "[lnusertemp] Error: \"%s\" is not a link or a directory.\n", kde_tmp_dir);
return 1; return 1;
} }
/* kde_tmp_dir is a link. Check whether it points to a valid directory. */ /* kde_tmp_dir is a link. Check whether it points to a valid directory. */
result = readlink(kde_tmp_dir, tmp_buf, PATH_MAX); result = readlink(kde_tmp_dir, tmp_buf, PATH_MAX);
if (result == -1) if (result == -1)
{ {
fprintf(stderr, "Error: \"%s\" could not be read.\n", kde_tmp_dir); fprintf(stderr, "[lnusertemp] Error: \"%s\" could not be read.\n", kde_tmp_dir);
return 1; return 1;
} }
tmp_buf[result] = '\0'; tmp_buf[result] = '\0';
/*printf("Link points to \"%s\"\n", tmp_buf);*/ /*printf("[lnusertemp] Link \"%s\" points to \"%s\"\n", kde_tmp_dir, tmp_buf);*/
if (strncmp(tmp_buf, user_tmp_dir, strlen(user_tmp_dir)) != 0) if (strncmp(tmp_buf, user_tmp_dir, strlen(user_tmp_dir)) != 0)
{ {
fprintf(stderr, "Error: \"%s\" points to \"%s\" instead of \"%s\".\n", kde_tmp_dir, tmp_buf, user_tmp_dir); fprintf(stderr, "[lnusertemp] Error: \"%s\" points to \"%s\" instead of \"%s\".\n", kde_tmp_dir, tmp_buf, user_tmp_dir);
unlink(kde_tmp_dir); unlink(kde_tmp_dir);
/*printf("Creating link %s.\n", kde_tmp_dir);*/ /*printf("[lnusertemp] Creating link %s.\n", kde_tmp_dir);*/
result = create_link(kde_tmp_dir, user_tmp_dir); result = create_link(kde_tmp_dir, user_tmp_dir);
if (result == 0) return 0; /* Success */ if (result == 0) return 0; /* Success */
unlink(kde_tmp_dir); unlink(kde_tmp_dir);
@ -241,7 +241,7 @@ int main(int argc, char **argv)
(strcmp(argv[1], "socket")!=0) && (strcmp(argv[1], "socket")!=0) &&
(strcmp(argv[1], "cache")!=0))) (strcmp(argv[1], "cache")!=0)))
{ {
fprintf(stderr, "Usage: lnusertemp tmp|socket|cache\n"); fprintf(stderr, "[lnusertemp] Usage: lnusertemp tmp|socket|cache\n");
return 1; return 1;
} }

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