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Cleanups from valgrind.

This commit is contained in:
Arnold D. Robbins 2020-01-01 22:42:20 +02:00
parent 7db55ba13f
commit 3358f3f36b
2 changed files with 8 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2020-01-01 Arnold D. Robbins <arnold@skeeve.com>
* tran.c (syminit, arginit, envinit): Free sval member before
setting it. Thanks to valgrind.
2019-12-27 Arnold D. Robbins <arnold@skeeve.com>
* b.c (replace_repeat): Fix a bug whereby a{0,3} could match

3
tran.c
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@ -114,6 +114,7 @@ void syminit(void) /* initialize symbol table with builtin vars */
rlengthloc = setsymtab("RLENGTH", "", 0.0, NUM, symtab);
RLENGTH = &rlengthloc->fval;
symtabloc = setsymtab("SYMTAB", "", 0.0, ARR, symtab);
free(symtabloc->sval);
symtabloc->sval = (char *) symtab;
}
@ -126,6 +127,7 @@ void arginit(int ac, char **av) /* set up ARGV and ARGC */
ARGC = &setsymtab("ARGC", "", (Awkfloat) ac, NUM, symtab)->fval;
cp = setsymtab("ARGV", "", 0.0, ARR, symtab);
ARGVtab = makesymtab(NSYMTAB); /* could be (int) ARGC as well */
free(cp->sval);
cp->sval = (char *) ARGVtab;
for (i = 0; i < ac; i++) {
sprintf(temp, "%d", i);
@ -144,6 +146,7 @@ void envinit(char **envp) /* set up ENVIRON variable */
cp = setsymtab("ENVIRON", "", 0.0, ARR, symtab);
ENVtab = makesymtab(NSYMTAB);
free(cp->sval);
cp->sval = (char *) ENVtab;
for ( ; *envp; envp++) {
if ((p = strchr(*envp, '=')) == NULL)