mirror of https://github.com/tailix/libkernaux.git
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
#include <kernaux/printf_fmt.h>
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#include <assert.h>
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void example_main()
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{
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{
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const char *format = "s";
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struct KernAux_PrintfFmt_Spec spec = KernAux_PrintfFmt_Spec_create();
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format = KernAux_PrintfFmt_Spec_parse(&spec, format);
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if (spec.set_width) {
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// Actually this line won't be executed.
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KernAux_PrintfFmt_Spec_set_width(&spec, 0);
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}
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if (spec.set_precision) {
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// Actually this line won't be executed.
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KernAux_PrintfFmt_Spec_set_precision(&spec, 0);
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}
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assert(spec.flags == 0);
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assert(spec.width == 0);
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assert(spec.precision == 0);
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assert(spec.type == KERNAUX_PRINTF_FMT_TYPE_STR);
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assert(spec.base == 0);
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}
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{
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const char *format = "012.34f";
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struct KernAux_PrintfFmt_Spec spec = KernAux_PrintfFmt_Spec_create();
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// Parsing of each part may be done separately.
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KernAux_PrintfFmt_Spec_parse_flags(&spec, &format);
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KernAux_PrintfFmt_Spec_parse_width(&spec, &format);
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KernAux_PrintfFmt_Spec_parse_precision(&spec, &format);
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KernAux_PrintfFmt_Spec_parse_length(&spec, &format);
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KernAux_PrintfFmt_Spec_parse_type(&spec, &format);
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if (spec.set_width) {
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// Actually this line won't be executed.
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KernAux_PrintfFmt_Spec_set_width(&spec, 0);
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}
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if (spec.set_precision) {
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// Actually this line won't be executed.
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KernAux_PrintfFmt_Spec_set_precision(&spec, 0);
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}
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assert(
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spec.flags ==
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(
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KERNAUX_PRINTF_FMT_FLAGS_ZEROPAD |
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KERNAUX_PRINTF_FMT_FLAGS_PRECISION
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)
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);
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assert(spec.width == 12);
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assert(spec.precision == 34);
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assert(spec.type == KERNAUX_PRINTF_FMT_TYPE_FLOAT);
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assert(spec.base == 0);
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}
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{
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const char *const format = " *.*ld";
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struct KernAux_PrintfFmt_Spec spec = KernAux_PrintfFmt_Spec_create();
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// Returning value may be ignored.
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KernAux_PrintfFmt_Spec_parse(&spec, format);
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if (spec.set_width) {
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KernAux_PrintfFmt_Spec_set_width(&spec, 12);
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}
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if (spec.set_precision) {
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KernAux_PrintfFmt_Spec_set_precision(&spec, 34);
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}
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assert(
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spec.flags ==
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(
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KERNAUX_PRINTF_FMT_FLAGS_SPACE |
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KERNAUX_PRINTF_FMT_FLAGS_LONG |
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KERNAUX_PRINTF_FMT_FLAGS_PRECISION
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)
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);
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assert(spec.width == 12);
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assert(spec.precision == 34);
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assert(spec.type == KERNAUX_PRINTF_FMT_TYPE_INT);
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assert(spec.base == 10);
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}
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}
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