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Minor cleanup. 

Don't pass NULL to strpbrk().
This commit is contained in:
Simon Forman 2023-02-01 17:39:37 -08:00
parent 5118881e6c
commit 6b87e46e00
1 changed files with 8 additions and 5 deletions
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13
implementations/C/parser.c
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@ -5,7 +5,7 @@
const char *BLANKS = " \t";
const char *TEXT = " hi there fr [ ie]nd";
const char *TEXT = "hi there fr [[] ie]nd] [] 23 ";
/* 01234567890123456789
^ ^
*/
@ -32,10 +32,9 @@ main(void)
while (NULL != rest) {
/* How many chars have we got? */
diff = rest - text;
/*printf("%ld\n", diff);*/
if (diff) {
/* Allocate and copy out the substring. */
/* Allocate space and copy out the substring. */
snip = (char *)GC_malloc(diff + 1);
strncat(snip, text, diff);
printf("%s\n", snip);
@ -49,7 +48,11 @@ main(void)
/* */
text = trim_leading_blanks(++rest);
/*printf(">>>%s\n\n", text);*/
rest = strpbrk(text, " []");
/* calling strpbrk on NULL caused segfault! */
rest = (NULL != text) ? strpbrk(text, " []") : text;
}
printf("%s\n", text);
if (text) {
printf("%s\n", text);
}
}