}
for (i = 0; i < e->used; i++) {
- char *fgets_res;
XBT_DEBUG("Looking for symbol %d, addr = '%s'", i, addrs[i]);
- fgets_res = fgets(line_func, 1024, pipe);
- if (fgets_res == NULL)
- THROWF(system_error, 0,
- "Cannot run fgets to look for symbol %d, addr %s", i,
- addrs[i]);
- line_func[strlen(line_func) - 1] = '\0';
- fgets_res = fgets(line_pos, 1024, pipe);
- if (fgets_res == NULL)
- THROWF(system_error, 0,
- "Cannot run fgets to look for symbol %d, addr %s", i,
- addrs[i]);
- line_pos[strlen(line_pos) - 1] = '\0';
-
- if (strcmp("??", line_func)) {
+ if (fgets(line_func, 1024, pipe)) {
+ line_func[strlen(line_func) - 1] = '\0';
+ } else {
+ XBT_VERB("Cannot run fgets to look for symbol %d, addr %s", i, addrs[i]);
+ strcpy(line_func, "???");
+ }
+ if (fgets(line_pos, 1024, pipe)) {
+ line_pos[strlen(line_pos) - 1] = '\0';
+ } else {
+ XBT_VERB("Cannot run fgets to look for symbol %d, addr %s", i, addrs[i]);
+ strcpy(line_pos, backtrace_syms[i]);
+ }
+
+ if (strcmp("??", line_func) != 0) {
XBT_DEBUG("Found static symbol %s() at %s", line_func, line_pos);
e->bt_strings[i] =
bprintf("** In %s() at %s", line_func, line_pos);
if (!subpipe) {
xbt_die("Cannot fork addr2line to display the backtrace");
}
- fgets_res = fgets(line_func, 1024, subpipe);
- if (fgets_res == NULL)
- THROWF(system_error, 0, "Cannot read result of subcommand %s",
- subcmd);
- line_func[strlen(line_func) - 1] = '\0';
- fgets_res = fgets(line_pos, 1024, subpipe);
- if (fgets_res == NULL)
- THROWF(system_error, 0, "Cannot read result of subcommand %s",
- subcmd);
- line_pos[strlen(line_pos) - 1] = '\0';
+ if (fgets(line_func, 1024, subpipe)) {
+ line_func[strlen(line_func) - 1] = '\0';
+ } else {
+ XBT_VERB("Cannot read result of subcommand %s", subcmd);
+ strcpy(line_func, "???");
+ }
+ if (fgets(line_pos, 1024, subpipe)) {
+ line_pos[strlen(line_pos) - 1] = '\0';
+ } else {
+ XBT_VERB("Cannot read result of subcommand %s", subcmd);
+ strcpy(line_pos, backtrace_syms[i]);
+ }
pclose(subpipe);
free(subcmd);
}