i3-dump-log/main.c: error handling for write(...)
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@ -42,14 +42,19 @@ static int check_for_wrap(void) {
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/* The log wrapped. Print the remaining content and reset walk to the top
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* of the log. */
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wrap_count = header->wrap_count;
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write(STDOUT_FILENO, walk, ((logbuffer + header->offset_last_wrap) - walk));
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const int len = (logbuffer + header->offset_last_wrap) - walk;
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if (write(STDOUT_FILENO, walk, len) != len)
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err(EXIT_FAILURE, "write()");
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walk = logbuffer + sizeof(i3_shmlog_header);
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return 1;
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}
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static void print_till_end(void) {
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check_for_wrap();
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int n = write(STDOUT_FILENO, walk, ((logbuffer + header->offset_next_write) - walk));
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const int len = (logbuffer + header->offset_next_write) - walk;
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const int n = write(STDOUT_FILENO, walk, len);
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if (len != n)
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err(EXIT_FAILURE, "write()");
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if (n > 0) {
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walk += n;
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}
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