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use stack_empty in stack-related functions - xml2tsv - a simple xml-to-tsv conv… |
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--- |
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commit 8401a64f99c614fa5e32c1b34e5499e0ab948d85 |
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parent 2245701946acd39e542918839c9dd80b19f6902e |
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Author: KatolaZ <[email protected]> |
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Date: Sun, 5 Jan 2020 07:47:33 +0000 |
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use stack_empty in stack-related functions |
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Diffstat: |
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M xml2tsv.c | 12 ++++++------ |
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1 file changed, 6 insertions(+), 6 deletions(-) |
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--- |
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diff --git a/xml2tsv.c b/xml2tsv.c |
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@@ -26,6 +26,10 @@ typedef struct { |
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char st[DEPTH_MAX][STR_MAX]; |
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} tstack_t; |
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+int stack_empty(tstack_t *t){ |
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+ return (t->top < 0); |
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+} |
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+ |
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int stack_push(tstack_t *t, const char *c){ |
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if (t->top < DEPTH_MAX){ |
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t->top ++; |
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@@ -37,21 +41,17 @@ int stack_push(tstack_t *t, const char *c){ |
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} |
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char* stack_pop(tstack_t *t){ |
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- if (t->top >= 0) |
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+ if (!stack_empty(t)) |
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return t->st[t->top--]; |
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return NULL; |
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} |
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char* stack_peek(tstack_t *t){ |
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- if (t->top >= 0) |
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+ if (!stack_empty(t)) |
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return t->st[t->top]; |
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return NULL; |
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} |
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-int stack_empty(tstack_t *t){ |
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- return (t->top < 0); |
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-} |
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- |
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void stack_init(tstack_t *t){ |
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t->top = -1; |
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} |
