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comparison foosdk/sdk/pfc/printf.cpp @ 1:20d02a178406 default tip

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*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #include "pfc-lite.h"
2 #include "string_base.h"
3
4 //implementations of deprecated string_printf methods, with a pragma to disable warnings when they reference other deprecated methods.
5
6 #ifndef _MSC_VER
7 #define _itoa_s itoa
8 #define _ultoa_s ultoa
9 #endif
10
11 #ifdef _MSC_VER
12 #pragma warning(disable:4996)
13 #endif
14
15 namespace pfc {
16 string8 string_printf(const char * fmt, ...) {
17 string8 ret;
18 va_list list;
19 va_start(list, fmt);
20 string_printf_here_va(ret, fmt, list);
21 va_end(list);
22 return ret;
23 }
24 string8 string_printf_va(const char * fmt, va_list list) {
25 string8 ret;
26 string_printf_here_va(ret, fmt, list);
27 return ret;
28 }
29 void string_printf_here(string_base & out, const char * fmt, ...) {
30 va_list list;
31 va_start(list, fmt);
32 string_printf_here_va(out, fmt, list);
33 va_end(list);
34 }
35 void string_printf_here_va(string_base & out, const char * fmt, va_list list) {
36 out.reset();
37 while(*fmt)
38 {
39 if (*fmt=='%')
40 {
41 fmt++;
42 if (*fmt=='%')
43 {
44 out.add_char('%');
45 fmt++;
46 }
47 else
48 {
49 bool force_sign = false;
50 if (*fmt=='+')
51 {
52 force_sign = true;
53 fmt++;
54 }
55 char padchar = (*fmt == '0') ? '0' : ' ';
56 t_size pad = 0;
57 while(*fmt>='0' && *fmt<='9')
58 {
59 pad = pad * 10 + (*fmt - '0');
60 fmt++;
61 }
62
63 if (*fmt=='s' || *fmt=='S')
64 {
65 const char * ptr = va_arg(list,const char*);
66 t_size len = strlen(ptr);
67 if (pad>len) out.add_chars(padchar,pad-len);
68 out.add_string(ptr);
69 fmt++;
70
71 }
72 else if (*fmt=='i' || *fmt=='I' || *fmt=='d' || *fmt=='D')
73 {
74 int val = va_arg(list,int);
75 if (force_sign && val>0) out.add_char('+');
76 auto temp = pfc::format_int( val );
77 t_size len = strlen(temp);
78 if (pad>len) out.add_chars(padchar,pad-len);
79 out.add_string(temp);
80 fmt++;
81 }
82 else if (*fmt=='u' || *fmt=='U')
83 {
84 int val = va_arg(list,int);
85 if (force_sign && val>0) out.add_char('+');
86 auto temp = pfc::format_uint(val);
87 t_size len = strlen(temp);
88 if (pad>len) out.add_chars(padchar,pad-len);
89 out.add_string(temp);
90 fmt++;
91 }
92 else if (*fmt=='x' || *fmt=='X')
93 {
94 auto val = va_arg(list,unsigned);
95 if (force_sign && val>0) out.add_char('+');
96 auto temp = pfc::format_uint(val, 0, 16);
97 if (*fmt=='X')
98 {
99 char * t = const_cast< char* > ( temp.c_str() );
100 while(*t)
101 {
102 *t = pfc::ascii_toupper(*t);
103 t++;
104 }
105 } else {
106 char* t = const_cast<char*> (temp.c_str());
107 while (*t)
108 {
109 *t = pfc::ascii_tolower(*t);
110 t++;
111 }
112 }
113 t_size len = strlen(temp);
114 if (pad>len) out.add_chars(padchar,pad-len);
115 out.add_string(temp);
116 fmt++;
117 }
118 else if (*fmt=='c' || *fmt=='C')
119 {
120 out.add_char(va_arg(list,int));
121 fmt++;
122 }
123 }
124 }
125 else
126 {
127 out.add_char(*(fmt++));
128 }
129 }
130 }
131
132 }