static void
block_update_plain_text(struct block *block, char *buf)
{
struct properties *props = &block->updated_props;
char *lines = buf;
linecpy(&lines, props->full_text, sizeof(props->full_text) - 1);
linecpy(&lines, props->short_text, sizeof(props->short_text) - 1);
linecpy(&lines, props->color, sizeof(props->color) - 1);
}
static int
update_block(struct block *block)
{
FILE *child_stdout;
int child_status, code;
char output[2048], *text = output;
if (setup_env(block))
return 1;
/* Pipe, fork and exec a shell for the block command line */
child_stdout = popen(block->command, "r");
if (!child_stdout) {
perror("popen");
return 1;
}
/* Do not distinguish EOF or error, just read child's output */
memset(output, 0, sizeof(output));
fread(output, 1, sizeof(output) - 1, child_stdout);
/* Wait for the child process to terminate */
child_status = pclose(child_stdout);
if (child_status == -1) {
perror("pclose");
return 1;
}
if (!WIFEXITED(child_status)) {
fprintf(stderr, "child did not exit correctly\n");
return 1;
}
code = WEXITSTATUS(child_status);
if (code != 0 && code != 127) {
char reason[1024];
fprintf(stderr, "bad return code %d, skipping %s\n", code, block->name);
sprintf(reason, "[%s] ERROR: bad return code %d", block->name, code);
failed(reason, block);
return 1;
}
/* From here, the update went ok so merge the output */
strncpy(block->urgent, code == 127 ? "true" : "false", sizeof(block->urgent) - 1);
linecpy(&text, block->full_text, sizeof(block->full_text) - 1);
linecpy(&text, block->short_text, sizeof(block->short_text) - 1);
linecpy(&text, block->color, sizeof(block->color) - 1);
block->last_update = time(NULL);
return 0;
}
void
block_update(struct block *block)
{
FILE *child_stdout;
int child_status, code;
char output[2048], *text = output;
if (setup_env(block))
return mark_as_failed(block, "failed to setup env", -1);
/* Pipe, fork and exec a shell for the block command line */
child_stdout = popen(block->command, "r");
if (!child_stdout) {
berrorx(block, "popen(%s)", block->command);
return mark_as_failed(block, "failed to fork", -1);
}
/* Do not distinguish EOF or error, just read child's output */
memset(output, 0, sizeof(output));
fread(output, 1, sizeof(output) - 1, child_stdout);
/* Wait for the child process to terminate */
child_status = pclose(child_stdout);
if (child_status == -1) {
berrorx(block, "pclose");
return mark_as_failed(block, "failed to wait", -1);
}
if (!WIFEXITED(child_status)) {
berror(block, "child did not exit correctly");
return mark_as_failed(block, "command did not exit", -1);
}
code = WEXITSTATUS(child_status);
if (code != 0 && code != '!') {
char reason[1024] = { 0 };
berror(block, "bad exit code %d", code);
linecpy(&text, reason, sizeof(reason) - 1);
return mark_as_failed(block, reason, code);
}
/* From here, the update went ok so merge the output */
strncpy(block->urgent, code == '!' ? "true" : "false", sizeof(block->urgent) - 1);
linecpy(&text, block->full_text, sizeof(block->full_text) - 1);
linecpy(&text, block->short_text, sizeof(block->short_text) - 1);
linecpy(&text, block->color, sizeof(block->color) - 1);
block->last_update = time(NULL);
bdebug(block, "updated successfully");
}
int findsub(char* substr, char* eldstr) {
char* peldstr = malloc(5*sizeof(char));
char* tempstr = malloc(5*sizeof(char));
peldstr = eldstr;
int lensub = strlength(substr);
int leneld = strlength(eldstr);
while (peldstr - eldstr + lensub <= leneld) {
linecpy(peldstr++, tempstr);
if (!linecmp(substr, _linecut(tempstr, lensub))) {
return peldstr - eldstr;
}
}
return 0;
}
int main() {
char* linexmpl = malloc(5*sizeof(char));
char* cpdline = malloc(5*sizeof(char));
char* subline = malloc(5*sizeof(char));
int pos = 0;
inputline(linexmpl);
ASSERT(linexmpl > 0);
printf("\nLength of line '%s':%d\n\n",
linexmpl, strlength(linexmpl));
linecpy(linexmpl, cpdline);
printf("Result of copying:%s\n\n", cpdline);
printf("Searching substring in '%s':", linexmpl);
inputline(subline);
ASSERT(subline > 0);
"\n";
if (pos = findsub(subline, linexmpl))
printf("\nSubstring is found on position:%d\n", pos);
else
printf("\nSubstring is no found\n");
free(linexmpl);
free(cpdline);
free(subline);
return 0;
}
