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hello.c

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This commit is contained in:
Pedro Pérez
2026-10-05 21:45:53 +02:00
parent b15620838b
commit 8383a725e2
3 changed files with 27 additions and 8 deletions
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examples/hello.c
+9 -6
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@@ -3,12 +3,15 @@
int main(void)
{
int result = 1;
const char *version = escpos_version();
escpos_buffer *buffer = NULL;
escpos_buffer *buffer_a = NULL;
escpos_buffer *buffer_b = NULL;
printf("%s\n", version);
escpos_buffer *buffer = escpos_buffer_new();
buffer = escpos_buffer_new();
if (buffer == NULL) { goto cleanup; }
for (int i = 0; i < 100; i++)
@@ -17,7 +20,7 @@ int main(void)
if (err == -1) { goto cleanup; }
}
escpos_buffer *buffer_a = escpos_buffer_new();
buffer_a = escpos_buffer_new();
if (buffer_a == NULL) { goto cleanup; }
uint8_t data[] = {0x1B, 0x40};
int err = 0;
@@ -25,7 +28,7 @@ int main(void)
err = escpos_buffer_append(buffer_a, data);
if (err == -1) { goto cleanup; }
escpos_buffer *buffer_b = escpos_buffer_new();
buffer_b = escpos_buffer_new();
if (buffer_b == NULL) { goto cleanup; }
uint8_t data_b[300];
for (int i = 0; i < 300; i++)
@@ -36,11 +39,11 @@ int main(void)
err = escpos_buffer_append(buffer_b, data_b);
if (err == -1) { goto cleanup; }
return 0;
result = 0;
cleanup:
escpos_buffer_free(buffer);
escpos_buffer_free(buffer_a);
escpos_buffer_free(buffer_b);
return result;
}