mirror of
https://gitee.com/openharmony/third_party_cups
synced 2024-11-23 09:59:45 +00:00
26 lines
593 B
Diff
26 lines
593 B
Diff
diff --git a/cups/raster-interpret.c b/cups/raster-interpret.c
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index fbe52f37..c24388d2 100644
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--- a/cups/raster-interpret.c
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+++ b/cups/raster-interpret.c
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@@ -1113,7 +1113,19 @@ scan_ps(_cups_ps_stack_t *st, /* I - Stack */
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cur ++;
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- if (*cur == 'b')
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+ /*
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+ * Return NULL if we reached NULL terminator, a lone backslash
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+ * is not a valid character in PostScript.
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+ */
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+
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+ if (!*cur)
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+ {
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+ *ptr = NULL;
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+
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+ return (NULL);
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+ }
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+
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+ if (*cur == 'b')
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*valptr++ = '\b';
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else if (*cur == 'f')
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*valptr++ = '\f';
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