mkerrstr - scc - simple c99 compiler
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       ---
       mkerrstr (383B)
       ---
            1 #!/bin/sh
            2 
            3 trap 'rm -f $$.tmp' EXIT HUP INT QUIT TERM
            4 
            5 awk '
            6 /^#define[ \t]*E/{
            7         str = ""
            8         for (i = 5; i < NF; i++)
            9                 str = str " " $i
           10         sub(/^ /, "", str)
           11         errstr[$2] = str
           12 }
           13 
           14 END {
           15         print "#include <errno.h>\n"
           16         print "char *const _sys_errlist[] = {"
           17         for (i in errstr)
           18                 printf "\t%-20.20s = \"%s\",\n", "[" i "]", errstr[i]
           19 
           20         print "};"
           21 }' $@ > $$.tmp && mv $$.tmp _sys_errlist.c