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b2/bom.c (bom_parse_line): check that components reference are unique
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parent
ddd22ba16c
commit
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31
b2/bom.c
31
b2/bom.c
@ -11,6 +11,7 @@
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "util.h"
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@ -22,17 +23,23 @@ struct bom *bom = NULL;
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int n_bom = 0;
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static struct bom *bom_find(const char *ref)
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{
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struct bom *b;
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for (b = bom; b != bom+n_bom; b++)
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if (b->ref == ref)
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return b;
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return NULL;
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}
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struct bom *bom_parse_line(const char *s)
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{
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struct bom *b;
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const char *t;
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const char *ref, *t;
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char *f;
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bom = realloc(bom, sizeof(struct bom)*(n_bom+1));
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if (!bom)
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abort();
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b = bom+n_bom++;
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if (*s++ != '|')
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abort();
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while (*s == ' ' || *s == '\t')
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@ -40,7 +47,17 @@ struct bom *bom_parse_line(const char *s)
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for (t = s+1; *t && !isspace(*t); t++);
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if (!*t)
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yyerror("invalid BOM record (1)\n");
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b->ref = stralloc_n(s, t-s);
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ref = unique_n(s, t-s);
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if (bom_find(ref))
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yyerrorf("duplicate component reference %s", ref);
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bom = realloc(bom, sizeof(struct bom)*(n_bom+1));
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if (!bom)
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abort();
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b = bom+n_bom++;
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b->ref = ref;
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b->sym = NULL;
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b->fields = NULL;
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b->n_fields = 0;
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